{"id":1271,"date":"2020-10-28T12:01:11","date_gmt":"2020-10-28T11:01:11","guid":{"rendered":"http:\/\/www.looketmedecine.com\/?p=1271"},"modified":"2024-10-05T00:20:14","modified_gmt":"2024-10-04T22:20:14","slug":"environnement-et-vieillissement","status":"publish","type":"post","link":"https:\/\/looketmedecine.fr\/en\/environnement-et-vieillissement\/","title":{"rendered":"LM N\u00b01\/2020. How to quantify photoaging due to ultraviolet radiation. Pr Philippe HUMBERT."},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"1271\" class=\"elementor elementor-1271\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-165df4a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"165df4a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dcf1576\" data-id=\"dcf1576\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bc043e0 elementor-widget elementor-widget-spacer\" data-id=\"bc043e0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"spacer.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-spacer\">\n\t\t\t<div class=\"elementor-spacer-inner\"><\/div>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-b493a05 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"b493a05\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-f98e7c8\" data-id=\"f98e7c8\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-6f0d215 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"6f0d215\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3cd76cd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3cd76cd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-53bfd17\" data-id=\"53bfd17\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bc196a8 elementor-widget elementor-widget-image\" data-id=\"bc196a8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"248\" height=\"300\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/Capture-de\u0301cran-2021-02-05-a\u0300-16.58.48-248x300.png\" class=\"attachment-medium size-medium wp-image-4128\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/Capture-de\u0301cran-2021-02-05-a\u0300-16.58.48-248x300.png 248w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/Capture-de\u0301cran-2021-02-05-a\u0300-16.58.48-848x1024.png 848w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/Capture-de\u0301cran-2021-02-05-a\u0300-16.58.48-768x928.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/Capture-de\u0301cran-2021-02-05-a\u0300-16.58.48.png 874w\" sizes=\"(max-width: 248px) 100vw, 248px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-f6462b8 elementor-widget elementor-widget-text-editor\" data-id=\"f6462b8\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 style=\"text-align: center;\"><span style=\"color: #0000ff;\">L\u2019ASYM\u00c9TRIE DU VISAGE PERMET DE QUANTIFIER LE PHOTO-VIEILLISSEMENT D\u00db AUX RAYONNEMENTS ULTRAVIOLETS<\/span><\/h2><div>\u00a0<\/div><div><h3 style=\"text-align: center;\"><strong><span style=\"color: #000000;\">Pr Philippe Humbert <\/span><\/strong><\/h3><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-29f4e16 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"29f4e16\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-880692a\" data-id=\"880692a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-aea870c elementor-widget elementor-widget-text-editor\" data-id=\"aea870c\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 style=\"text-align: center;\"><span style=\"color: #d4b054;\">R\u00e9sum\u00e9<\/span><\/h2><h4><span style=\"color: #000000;\">Cette \u00e9tude met en exergue le r\u00f4le du photo-vieillissement et de l\u2019exposition ultraviolette \u00e0 pr\u00e9dominance lat\u00e9ralit\u00e9 comme facteur d\u00e9terminant de l\u2019asym\u00e9trie d\u2019un visage.\u00a0 <\/span><span style=\"color: #000000;\">Le photo-vieillissement est un ph\u00e9notype d\u2019un individu qui est consid\u00e9r\u00e9 comme la part du vieillissement li\u00e9e \u00e0 l\u2019irradiation solaire, que l\u2019on peut r\u00e9sumer sous le terme d\u2019irradiation ultraviolette si l\u2019on fait abstraction des infrarouges.\u00a0 <\/span><\/h4><h4><span style=\"color: #000000;\">Plus qu\u2019une apparence, le photo-vieillissement c\u2019est aussi des troubles histo-pathologiques tels que les fibres \u00e9lastiques dystrophiques, la r\u00e9duction de la teneur des tissus cutan\u00e9s en collag\u00e8ne et l\u2019augmentation de l\u2019activit\u00e9 des enzymes proth\u00e9tiques comme la m\u00e9talloprot\u00e9ase1 (MMP1). Les UVA ont la capacit\u00e9 de modifier les cellules de la peau en culture mais aussi in vivo.<\/span><\/h4><h4><span style=\"color: #000000;\">Ainsi pour la premi\u00e8re fois est-on arriv\u00e9 \u00e0 quantifier en termes d\u2019\u00e2ge suppl\u00e9mentaire la part du vieillissement due \u00e0 l\u2019exposition aux rayons ultraviolets. Cette part de vieillissement qui s\u2019appelle le photo- vieillissement est en moyenne de six ann\u00e9es, pour 30 ans d\u2019exposition (nombre d\u2019ann\u00e9es d\u2019activit\u00e9 professionnelle).<\/span><\/h4><h4><span style=\"color: #000000;\">Ainsi tous les cinq ans, on peut consid\u00e9rer que chaque individu vieillit d\u2019une ann\u00e9e suppl\u00e9mentaire du fait de l\u2019exposition au soleil. Ces constatations apportent un support important aux recommandations sur la photo-protection par quelque moyen que ce soit. <\/span><\/h4><h4><span style=\"color: #000000;\">L\u2019auteur conclue ce travail en insistant sur la mise en \u0153uvre des m\u00e9thodes pr\u00e9ventives et curatives adapt\u00e9es, tant topiques qu\u2019administr\u00e9es par voie orale, avec l\u2019administration de nutriments et de compl\u00e9ments alimentaires aux propri\u00e9t\u00e9s anti-oxydantes.<\/span><\/h4><h4><span style=\"color: #000000;\">Mots-cl\u00e9s : photo-vieillissement, visage, asym\u00e9trie, rayonnement ultraviolet, uVA, biom\u00e9trologie, pr\u00e9vention, traitement.<\/span><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7eebbb1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7eebbb1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-5d6aa15\" data-id=\"5d6aa15\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-4cb7720 elementor-widget elementor-widget-text-editor\" data-id=\"4cb7720\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 style=\"text-align: center;\"><span style=\"color: #0000ff;\">LE CORPS HUMAIN N\u2019EST PAS SYM\u00c9TRIQUE<\/span><\/h2><h4><span style=\"font-weight: normal; color: #000000;\">De tout temps il a \u00e9t\u00e9 remarqu\u00e9 que le corps humain malgr\u00e9 sa grande perfection n\u2019\u00e9tait pas sym\u00e9trique.<\/span><\/h4><ul><li><h4><span style=\"font-weight: normal; color: #000000;\">Vu de l\u2019ext\u00e9rieur, la sym\u00e9trie semble \u00eatre une des caract\u00e9ristiques de ce corps constitu\u00e9 de parties paires (membres&#8230;) et de parties impaires (visage\u2026).<\/span><\/h4><\/li><li><h4><span style=\"font-weight: normal; color: #000000;\">\u00a0Cependant il aurait \u00e9t\u00e9 observ\u00e9 que les seins d\u2019une femme ne sont pas totalement superposables, que le scrotum chez l\u2019homme que les sculpteurs ont parfaitement remarqu\u00e9 (michel-Ange) \u00e9tait constitu\u00e9 d\u2019une bourse plus basse \u00e0 gauche. Ce sont l\u00e0 les \u00e9l\u00e9ments les plus remarquables.<\/span><\/h4><\/li><li><h4><span style=\"font-weight: normal; color: #000000;\">\u00a0\u00c0 l\u2019int\u00e9rieur du corps, l\u2019asym\u00e9trie est encore plus importante. Les poumons comportent trois lobes \u00e0 droite et deux lobes \u00e0 gauche. L\u2019estomac n\u2019est pas m\u00e9dian mais d\u00e9cal\u00e9 vers la gauche etc.<\/span><\/h4><\/li><li><h4><span style=\"font-weight: normal; color: #000000;\">\u00a0Quant au visage, depuis que l\u2019on prend un soin tout particulier \u00e0 l\u2019analyser, on aura remarqu\u00e9 combien il est asym\u00e9trique. Ceci a fait l\u2019objet d\u2019ailleurs de plusieurs publications m\u00e9dicales \u00e0 propos de \u00ab cas cliniques \u00bb.<\/span><\/h4><\/li><\/ul><div><h4><span style=\"color: #000000;\"><span style=\"font-weight: normal;\">Voici le cas ci-dessous, d\u2019une institutrice, patiente du Professeur moulin, montrant le c\u00f4t\u00e9 gauche de son visage expos\u00e9 pendant de tr\u00e8s nombreuses ann\u00e9es au rayonnement solaire.<\/span><\/span><\/h4><\/div>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-6d1cb95 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"6d1cb95\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ad5611b\" data-id=\"ad5611b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e80c507 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"e80c507\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-50d6001 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"50d6001\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-29a7744\" data-id=\"29a7744\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-e1b4c88 elementor-widget elementor-widget-text-editor\" data-id=\"e1b4c88\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3 style=\"text-align: center;\"><span style=\"color: #0000ff;\"><strong>\u00a0LE PHOTO-VIEILLISSEMENT DU VISAGE D\u00db AU RAYONNEMENT ULTRAVIOLET<\/strong><\/span><\/h3><h4><span style=\"color: #000000;\">Le rayonnement ultraviolet auquel est soumis le globe terrestre comprend :<\/span><\/h4><ul><li><h4><span style=\"color: #000000;\"><span style=\"font-weight: normal;\">\u00a0Les ultraviolets b (280-315 nm),<\/span><\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\"><span style=\"font-weight: normal;\">\u00a0Les ultraviolets A (315-400 nm),<\/span><\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\"><span style=\"font-weight: normal;\">\u00a0Les ultraviolets C (100-280 nm),totalement absorb\u00e9s dans l\u2019atmosph\u00e8re. Durant une journ\u00e9e d\u2019\u00e9t\u00e9 :<\/span><\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\"><span style=\"font-weight: normal;\">\u00a0Environ 3,5 % de l\u2019irradiation ultraviolette atteignant la terre est faite d\u2019UVB,<\/span><\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\"><span style=\"font-weight: normal;\">\u00a0Alors que 96,5 % repr\u00e9sentent les UVA.<\/span><\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\"><span style=\"font-weight: normal;\">Les ultraviolets b sont presque enti\u00e8rement absorb\u00e9s par le verre, alors que pr\u00e8s de la moiti\u00e9 des UVA le traversent.<\/span><\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\">Bien que 1 000 fois moins \u00e9nerg\u00e9tiques que les photons UVB, les photons UVA, sont capables d\u2019induire des modifications li\u00e9es \u00e0 l\u2019\u00e2ge, m\u00eame en profondeur dans le derme, du fait de leur grande capacit\u00e9 \u00e0 p\u00e9n\u00e9trer dans la peau profond\u00e9ment.<\/span><\/h4><\/li><li><h4><em><span style=\"color: #000000;\"><span style=\"font-weight: normal;\">Le photo-vieillissement est un ph\u00e9notype d\u2019un individu qui est consid\u00e9r\u00e9 comme la part du vieillissement li\u00e9e \u00e0 l\u2019irradiation solaire, que l\u2019on peut r\u00e9sumer sous le terme d\u2019irradiation ultraviolette si l\u2019on fait abstraction des infrarouges.<\/span><\/span><\/em><\/h4><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bb2a3cf elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bb2a3cf\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c8eb06f\" data-id=\"c8eb06f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-835aa93 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"835aa93\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3245bdd elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3245bdd\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0b924ac\" data-id=\"0b924ac\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c7366e7 elementor-widget elementor-widget-image\" data-id=\"c7366e7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"647\" height=\"495\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/differences.png\" class=\"attachment-large size-large wp-image-1295\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/differences.png 647w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/differences-300x230.png 300w\" sizes=\"(max-width: 647px) 100vw, 647px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2a8235d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2a8235d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ccbe896\" data-id=\"ccbe896\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9ad946a elementor-widget elementor-widget-text-editor\" data-id=\"9ad946a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4><span style=\"color: #000000;\">C\u2019\u00e9tait en tout cas ce qui pr\u00e9valait ces derni\u00e8res ann\u00e9es puisque le r\u00f4le des infrarouges \u00e9tait sous-estim\u00e9.<\/span><\/h4><ul><li><h4><span style=\"color: #000000;\">Si l\u2019on regarde le vieillissement d\u2019une personne qui a \u00e9t\u00e9 expos\u00e9e pendant toute sa vie professionnelle \u00e0 des chaleurs intenses (c\u2019est le cas des personnes travaillant devant des chaudrons, des fours, des foyers notamment dans la ferronnerie) on ne peut pas ignorer le r\u00f4le de cette chaleur dans le vieillissement cutan\u00e9.<\/span><\/h4><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c8c1a3c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c8c1a3c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8e5d9ff\" data-id=\"8e5d9ff\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-bf3b37b elementor-widget elementor-widget-text-editor\" data-id=\"bf3b37b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 style=\"text-align: center;\"><span style=\"color: #0000ff;\">QUEL EST LE R\u00d4LE DES UVA SUR LE VIEILLISSEMENT DU VISAGE ?<\/span><\/h2><h4><span style=\"color: #000000;\">Plus qu\u2019une apparence, le photo-vieillissement c\u2019est surtout des troubles histopathologiques tels que :<\/span><\/h4><ul><li><h4><span style=\"color: #000000;\">\u00a0Les fibres \u00e9lastiques dystrophiques,<\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\">\u00a0La r\u00e9duction de la teneur des tissus cutan\u00e9s en collag\u00e8ne<\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\">\u00a0Et l\u2019augmentation de l\u2019activit\u00e9 des enzymes proth\u00e9tiques comme la m\u00e9talloprot\u00e9ase1 (mmP1). Les UVA ont la capacit\u00e9 de modifier les cellules de la peau en culture mais aussi in vivo.<\/span><\/h4><\/li><\/ul><h4><span style=\"color: #000000;\">Ces effets sont dus aux esp\u00e8ces r\u00e9actives de l\u2019oxyg\u00e8ne g\u00e9n\u00e9r\u00e9es au travers des chromophores endog\u00e8nes tels que l\u2019acide transurocanique et les porphyrines qui agissent comme des photos-sensibilisants. <\/span><span style=\"color: #000000;\">Ce stress oxydatif conduit \u00e0 endommager les prot\u00e9ines structurales les lipides et le DNA, d\u2019autant qu\u2019on observe en parall\u00e8le, la r\u00e9duction de ces enzymes cl\u00e9s dans l\u2019\u00e9puration des radicaux libres, que sont la catalase et la superoxyde dismutase (SOD).<\/span><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-a72ba86 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"a72ba86\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-097c90b\" data-id=\"097c90b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-206a7d1 elementor-widget elementor-widget-text-editor\" data-id=\"206a7d1\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 style=\"text-align: center;\"><span style=\"color: #0000ff;\">LE C\u00d4T\u00c9 GAUCHE DU VISAGE EST LE PLUS EXPOS\u00c9 AUX UVA<\/span><\/h2><h4><span style=\"color: #000000;\">Il est reconnu depuis plusieurs ann\u00e9es que le c\u00f4t\u00e9 gauche d\u2019un visage est depuis ces 100 derni\u00e8res ann\u00e9es plus expos\u00e9 que le c\u00f4t\u00e9 droit puisqu\u2019il se trouve plus proche de la fen\u00eatre vitr\u00e9e d\u2019une voiture, lorsque ce visage et celui du conducteur. <\/span><span style=\"color: #000000;\">Les chercheurs ont \u00e9tudi\u00e9 aussi les paires de jumeaux et de jumelles dont les modes de vie sont diff\u00e9rents, entre les individus.<\/span><\/h4><h4><span style=\"color: #000000;\">Ces \u00e9tudes permettent de s\u2019affranchir de la variabilit\u00e9 interindividuelle. <\/span><span style=\"color: #000000;\">Mais comme l\u2019a d\u00e9montr\u00e9 le Pr moulin, ce photo-vieillissement plus marqu\u00e9 \u00e0 gauche (chez cette institutrice dont il rapportait le cas), aurait pu \u00eatre plus important \u00e0 droite, si elle avait fait son enseignement dans une salle dont la fen\u00eatre e\u00fbt \u00e9t\u00e9 plac\u00e9e du c\u00f4t\u00e9 droit.<\/span><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-9dad9b1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"9dad9b1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-692403b\" data-id=\"692403b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-5d64a56 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"5d64a56\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d0f70b5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d0f70b5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1e5332b\" data-id=\"1e5332b\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-2315664 elementor-widget elementor-widget-text-editor\" data-id=\"2315664\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 style=\"text-align: center;\"><span style=\"color: #0000ff;\">L\u2019\u00c9TUDE CLINIQUE ET BIOM\u00c9TROLOGIQUE SUR L\u2019ASYM\u00c9TRIE DU VISAGE QUI QUANTIFIE LE PHOTO-VIEILLISSEMENT D\u00db AUX UVA [2]<\/span><\/h2><h4><span style=\"color: #000000;\">L\u2019\u00e9quipe de l\u2019auteur (universit\u00e9 de Franche-Comt\u00e9) a r\u00e9alis\u00e9 une \u00e9tude clinique originale sous la direction de Mac-Mary S. [2, 4] en faisant appel \u00e0 des personnes ayant remarqu\u00e9 une certaine asym\u00e9trie de leur visage. <\/span><span style=\"color: #000000;\">Une grande vari\u00e9t\u00e9 de \u00ab r\u00e9pondeurs \u00bb ont \u00e9t\u00e9 interrog\u00e9s. <\/span><span style=\"color: #000000;\">Chacun avait des activit\u00e9s professionnelles qui permettaient d\u2019\u00eatre envisag\u00e9es comme responsables de l\u2019asym\u00e9trie. <\/span><span style=\"color: #000000;\">Les m\u00e9tiers impliqu\u00e9s \u00e9taient repr\u00e9sent\u00e9s par les conducteurs, les enseignants, les vendeurs en magasin, les repr\u00e9sentants de commerce<\/span><span style=\"color: #000000;\">Sur cette base une \u00e9tude bio-m\u00e9trologique a \u00e9t\u00e9 conduite pour tenter\u00a0 de d\u00e9terminer la quantit\u00e9 de rayonnement n\u00e9cessaire pour observer le r\u00f4le du photo-vieillissement dans le vieillissement de l\u2019individu.<\/span><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-5c4b524 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"5c4b524\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-07aab24\" data-id=\"07aab24\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8b12a2f elementor-widget elementor-widget-image\" data-id=\"8b12a2f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"650\" height=\"419\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/symetrique1.png\" class=\"attachment-large size-large wp-image-1291\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/symetrique1.png 650w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/symetrique1-300x193.png 300w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-2aeb744 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"2aeb744\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-0ea8313\" data-id=\"0ea8313\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-7fd8260 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"7fd8260\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-d5c3d9a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"d5c3d9a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-535bb9e\" data-id=\"535bb9e\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-53f58cf elementor-widget elementor-widget-image\" data-id=\"53f58cf\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"652\" height=\"417\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/symetrique2.png\" class=\"attachment-large size-large wp-image-1290\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/symetrique2.png 652w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/symetrique2-300x192.png 300w\" sizes=\"(max-width: 652px) 100vw, 652px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-ca62a9d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"ca62a9d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-8dd7b4a\" data-id=\"8dd7b4a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-b6ae29a elementor-widget elementor-widget-image\" data-id=\"b6ae29a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"595\" height=\"469\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/formule1.png\" class=\"attachment-large size-large wp-image-1292\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/formule1.png 595w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/formule1-300x236.png 300w\" sizes=\"(max-width: 595px) 100vw, 595px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c7d9b49 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c7d9b49\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-df80717\" data-id=\"df80717\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-c5fa81e elementor-widget elementor-widget-image\" data-id=\"c5fa81e\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"639\" height=\"303\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/radio1-1.png\" class=\"attachment-large size-large wp-image-1289\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/radio1-1.png 639w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/radio1-1-300x142.png 300w\" sizes=\"(max-width: 639px) 100vw, 639px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-76ff42e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"76ff42e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-9ee53f0\" data-id=\"9ee53f0\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ae3b1bc elementor-widget elementor-widget-text-editor\" data-id=\"ae3b1bc\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4><span style=\"color: #000000;\">10 personnes ont \u00e9t\u00e9 s\u00e9lectionn\u00e9es, 8 femmes de 65 ans en moyenne et 2 hommes de 60 ans en moyenne, vivant dans l\u2019est de la France, qui toutes avaient un m\u00e9tier en rapport avec la conduite automobile. <\/span><span style=\"color: #000000;\">Elles \u00e9taient donc soumises quasiment exclusivement \u00e0 une irradiation UVA suppl\u00e9mentaire du c\u00f4t\u00e9 gauche de leur visage.<\/span><\/h4><ul><li><h4><span style=\"color: #000000;\">Ainsi les scores cliniques de rides au niveau des joues, du contour oculaire, de la patte d\u2019oie ainsi que les mesures de laxit\u00e9, ont \u00e9t\u00e9 plus s\u00e9v\u00e8rement cot\u00e9es \u00e0 gauche.<\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\">Curieusement une moindre h\u00e9t\u00e9rog\u00e9n\u00e9it\u00e9 de la couleur de la peau a \u00e9t\u00e9 observ\u00e9e du c\u00f4t\u00e9 le plus expos\u00e9.<\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\">Les rides avaient un volume plus marqu\u00e9 et la rugosit\u00e9 de la peau \u00e9tait plus grande chez la moiti\u00e9 du visage expos\u00e9e.<\/span><\/h4><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-0a14466 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"0a14466\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-05d1309\" data-id=\"05d1309\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cdd9bf0 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"cdd9bf0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-58de9a5 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"58de9a5\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-373e13c\" data-id=\"373e13c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-33cd722 elementor-widget elementor-widget-text-editor\" data-id=\"33cd722\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 style=\"text-align: center;\"><span style=\"color: #0000ff;\">R\u00c9SULTATS : CETTE \u00c9TUDE A MONTR\u00c9 LE FORT IMPACT DE L\u2019EXPOSITION CUMUL\u00c9E DE LA PEAU DU VISAGE AUX UVA<\/span><\/h2><h4><span style=\"font-weight: normal; color: #000000;\">On sait depuis les travaux de Lowe que m\u00eame des doses non \u00e9ryth\u00e9mateuses d\u2019UVA r\u00e9p\u00e9t\u00e9es, sont capables d\u2019induire un photo-vieillissement. <\/span><span style=\"font-weight: normal; color: #000000;\">Il en r\u00e9sulte un \u00e9paississement de l\u2019\u00e9piderme et des d\u00e9p\u00f4ts de lysozyme dans les fibres \u00e9lastiques. \u00c0 l\u2019aide de logiciels, cette \u00e9tude a cr\u00e9\u00e9 deux nouveaux visages pour chaque volontaire :<\/span><\/h4><ul><li><h4><span style=\"font-weight: normal; color: #000000;\">\u00a0Constitu\u00e9s pour l\u2019un de deux fois l\u2019h\u00e9miface la plus atteinte c\u2019est-\u00e0-dire l\u2019h\u00e9miface gauche<\/span><\/h4><\/li><li><h4><span style=\"font-weight: normal; color: #000000;\">\u00a0Et pour l\u2019autre un visage constitu\u00e9 de deux fois l\u2019h\u00e9miface droite.<\/span><\/h4><\/li><li><h4><span style=\"font-weight: normal; color: #000000;\">\u00a0Ainsi pour chaque volontaire il y avait deux visages qui pourraient repr\u00e9senter deux personnes diff\u00e9rentes, l\u2019une apparaissant nettement plus \u00e2g\u00e9e que l\u2019autre.<\/span><\/h4><\/li><li><h4><span style=\"font-weight: normal; color: #000000;\">\u00a0En pr\u00e9sentant de fa\u00e7on al\u00e9atoire ses visages un panel de 98 experts, on a pu observer que l\u2019\u00e2ge apparent de l\u2019h\u00e9mi-visage reconstitu\u00e9 \u00e0 partir de la moiti\u00e9 de la face gauche, paraissait de cinq \u00e0 sept ans plus \u00e2g\u00e9 que l\u2019autre.<\/span><\/h4><\/li><\/ul><h4><span style=\"font-weight: normal; color: #000000;\">Ainsi pour la premi\u00e8re fois est-on arriv\u00e9 \u00e0 quantifier en termes d\u2019\u00e2ge suppl\u00e9mentaire, la part du vieillissement due \u00e0 l\u2019exposition aux rayons ultraviolets. <\/span><span style=\"font-weight: normal; color: #000000;\">Cette part de vieillissement qui s\u2019appelle le photo-vieillissement est en moyenne de six ann\u00e9es pour 30 ans d\u2019exposition (nombre d\u2019ann\u00e9es d\u2019activit\u00e9 professionnelle). <\/span><span style=\"font-weight: normal; color: #000000;\">Ainsi tous les cinq ans, on peut consid\u00e9rer que chaque individu vieillit d\u2019une ann\u00e9e suppl\u00e9mentaire du fait de l\u2019exposition au soleil.<\/span><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-f6f865a elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"f6f865a\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1fb5dcc\" data-id=\"1fb5dcc\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-55a7351 elementor-widget elementor-widget-text-editor\" data-id=\"55a7351\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 style=\"text-align: center;\"><span style=\"color: #0000ff;\">LA PR\u00c9VENTION DES MULTIPLES EFFETS DE L\u2019EXPOSITION AU RAYONNEMENT SOLAIRE<\/span><\/h2><h4><span style=\"color: #000000;\">Ces constatations apportent un support important aux recommandations sur la photoprotection par quelque moyen que ce soit.<\/span><\/h4><h4><span style=\"color: #000000;\">Car l\u2019exposition solaire ce n\u2019est pas seulement le vieillissement, c\u2019est aussi d\u2019autres pertes de fonctions de la peau :<\/span><\/h4><ul><li><h4><span style=\"color: #000000;\">\u00a0Comme les fonctions m\u00e9caniques,<\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\">\u00a0Les fonctions m\u00e9taboliques,<\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\">\u00a0Les fonctions immunologiques,<\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\">\u00a0Et les fonctions de protection \u00e0 l\u2019\u00e9gard du d\u00e9veloppement des cancers.<\/span><\/h4><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bced267 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bced267\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-80a72ab\" data-id=\"80a72ab\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8c7dcce elementor-widget elementor-widget-image\" data-id=\"8c7dcce\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"480\" height=\"352\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/observateur.png\" class=\"attachment-large size-large wp-image-1287\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/observateur.png 480w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/observateur-300x220.png 300w\" sizes=\"(max-width: 480px) 100vw, 480px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-85a87f7 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"85a87f7\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d481cfa\" data-id=\"d481cfa\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fa5c04f elementor-widget elementor-widget-image\" data-id=\"fa5c04f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"549\" height=\"365\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/application.png\" class=\"attachment-large size-large wp-image-1288\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/application.png 549w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/application-300x199.png 300w\" sizes=\"(max-width: 549px) 100vw, 549px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-095f6f9 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"095f6f9\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d21cf34\" data-id=\"d21cf34\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-8eb3923 elementor-widget elementor-widget-image\" data-id=\"8eb3923\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"650\" height=\"383\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/ironandascorbic.png\" class=\"attachment-large size-large wp-image-1286\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/ironandascorbic.png 650w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/ironandascorbic-300x177.png 300w\" sizes=\"(max-width: 650px) 100vw, 650px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-c4286ec elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"c4286ec\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-c5e5b47\" data-id=\"c5e5b47\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-9746878 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"9746878\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-cd8ac88 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"cd8ac88\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-61a49ff\" data-id=\"61a49ff\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-da6630f elementor-widget elementor-widget-image\" data-id=\"da6630f\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"435\" height=\"528\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/rides.png\" class=\"attachment-large size-large wp-image-1198\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/rides.png 435w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/rides-247x300.png 247w\" sizes=\"(max-width: 435px) 100vw, 435px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-92d2ef1 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"92d2ef1\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-45d7fd7\" data-id=\"45d7fd7\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1e151c6 elementor-widget elementor-widget-text-editor\" data-id=\"1e151c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h4><span style=\"color: #000000;\">C\u2019est pourquoi il est important de consid\u00e9rer qu\u2019avec l\u2019\u00e2ge, la peau se d\u00e9pl\u00e8te en facteurs anti-radicalaires, c\u2019est-\u00e0-dire en facteurs antioxydants :<\/span><\/h4><ul><li><h4><span style=\"color: #000000;\">\u00a0Tels que les antioxydants endog\u00e8nes : catalase, SOD,<\/span><\/h4><\/li><li><h4><span style=\"color: #000000;\">\u00a0Et les antioxydants exog\u00e8nes : oligo\u00e9l\u00e9ments, vitamine C.<\/span><\/h4><\/li><\/ul>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-719b8b4 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"719b8b4\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-1873f47\" data-id=\"1873f47\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-446d639 elementor-widget elementor-widget-text-editor\" data-id=\"446d639\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 style=\"text-align: center;\"><span style=\"color: #0000ff;\">LES TRAITEMENTS PR\u00c9VENTIFS DU PHOTO-VIELLISSEMENT DU VISAGE<\/span><\/h2><h4><span style=\"color: #000000;\">Si l\u2019on consid\u00e8re le principal antioxydant d\u2019origine exog\u00e8ne est la vitamine C, il faut conna\u00eetre les r\u00e9sultats de cette \u00e9tude publi\u00e9e en 2003 a quantifi\u00e9 la teneur du derme en vitamine C et a pu d\u00e9montrer qu\u2019\u00e0 60 ans, les quantit\u00e9s de vitamine C dans la peau \u00e9tait de moiti\u00e9 que celles que l\u2019on a \u00e0 20 ans (et il ne s\u2019agissait pas seulement de la peau photo-expos\u00e9e).<\/span><\/h4><h4>Antioxydant de l\u2019organisme, l<span style=\"color: #000000;\">a vitamine C est le principal facteur d<\/span><span style=\"color: #000000;\">e synth\u00e8se du collag\u00e8ne Il est donc important d&rsquo;apporter \u00e0 la peau par voie syst\u00e9mique et topique de la vitamine C dans une forme qui ne soit pas oxydable, qui puisse avoir apport\u00e9 la preuve de sa p\u00e9n\u00e9tration transcutan\u00e9e. Il en est d em\u00eame du besoin essentiel en apport en Super Oxyde Dismutase (SOD), compte tenu des besoins largement d\u00e9montr\u00e9s en SOD au cours du viellissement et de l&rsquo;int\u00e9r\u00eat de l&rsquo;apport en Glisodine\u00a0<\/span><em style=\"font-size: 1.25rem;\"><span style=\"font-family: inherit; font-size: 1.25rem;\"><span style=\"font-size: 0.813rem; color: #000000;\">[4, 5].<\/span><\/span><\/em><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-070109d elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"070109d\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-11ccc7f\" data-id=\"11ccc7f\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-fbfb8c6 elementor-widget elementor-widget-text-editor\" data-id=\"fbfb8c6\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2 style=\"text-align: center;\"><span style=\"color: #0000ff;\"><strong>CONCLUSIONS<\/strong><\/span><\/h2><h4><span style=\"color: #000000;\">En m\u00e9decine esth\u00e9tique on ne peut pas m\u00e9conna\u00eetre le r\u00f4le du photo-vieillissement et de l\u2019exposition ultraviolette comme facteur d\u00e9terminant de l\u2019asym\u00e9trie d\u2019un visage.\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 <\/span><\/h4><h4><span style=\"color: #000000;\">On doit donc mettre en \u0153uvre des m\u00e9thodes pr\u00e9ventives et curatives adapt\u00e9es, tant topiques que administr\u00e9es par voie orale, et conseiller l\u2019administration de nutriments et de compl\u00e9ments alimentaires, dont les preuves de leurs propri\u00e9t\u00e9s antioxydantes reposent sur des travaux de recherche [4, 5].<\/span><\/h4>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-979531f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"979531f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-60be1b5\" data-id=\"60be1b5\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-cefaac2 elementor-widget elementor-widget-text-editor\" data-id=\"cefaac2\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h3 style=\"text-align: center;\"><span style=\"color: #0000ff;\">R\u00c9F\u00c9RENCES<\/span><\/h3><p><span style=\"color: #000000;\">1. Moulin G, Thomas L, Vigneau M, Fiere A. A case of unilateral elastosis with cysts and comedone. Favre-Racouchot syndrome. Ann Dermatol Venereol 1994;121:721-3.<\/span><\/p><p><span style=\"color: #000000;\">2. Mac-Mary S, Sainthillier JM, Jeudy A, Sladen C, Williams C, Bell M., Humbert P. Assessment of cumulative exposure to uVA through the study of asymmetrical facial skin aging. Clinical Interventions in Aging 2010;5:277-84.<\/span><\/p><p><span style=\"color: #000000;\">3. Leveque N, Robin S, Makki S, Muret P, Rougier A, Humbert P. Iron and ascorbic acid concentrations in human dermis with regards to age and body sites. Gerontology 2003;49:117-22.<\/span><\/p><p><span style=\"color: #000000;\">4. Mac-Mary S, Sainthillier JM, Courderot-Masuyer C, Creidi P, Humbert P. Could a photobiological test be a suitable method to assess the anti-oxidant effect of a nutritional supplement Glisodin ? Eur J Dermatol 2007;17:254-5.<\/span><\/p><p><span style=\"color: #000000;\">5. Vouldoukis I, Conti M, Krauss P, Kamate C, Blazquez S, Tefit M, Mazier D, Calenda A, Dugas B. Supplementation with gliadin-combined plant superoxide dismutase extract promotes antioxidant defences and protects against oxidative stress. Phytother Researc 2004;18:957.<\/span><\/p>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-298e15b elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"298e15b\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-dc0b47c\" data-id=\"dc0b47c\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-1b48d82 elementor-widget-divider--view-line elementor-widget elementor-widget-divider\" data-id=\"1b48d82\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"divider.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-divider\">\n\t\t\t<span class=\"elementor-divider-separator\">\n\t\t\t\t\t\t<\/span>\n\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-bf44b9e elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"bf44b9e\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-d4c5b4d\" data-id=\"d4c5b4d\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-d39a5d7 elementor-widget elementor-widget-image\" data-id=\"d39a5d7\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"29\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/11\/LookMedecine_Logo_Textuel_Noir-300x29.png\" class=\"attachment-medium size-medium wp-image-2648\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/11\/LookMedecine_Logo_Textuel_Noir-300x29.png 300w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/11\/LookMedecine_Logo_Textuel_Noir-1024x99.png 1024w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/11\/LookMedecine_Logo_Textuel_Noir-768x74.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/11\/LookMedecine_Logo_Textuel_Noir-1536x149.png 1536w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/11\/LookMedecine_Logo_Textuel_Noir-2048x198.png 2048w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/11\/LookMedecine_Logo_Textuel_Noir-1200x116.png 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-3139d87 elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"3139d87\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-ba7763a\" data-id=\"ba7763a\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-13d5213 elementor-widget elementor-widget-image\" data-id=\"13d5213\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"277\" src=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/Capture-de\u0301cran-2020-11-14-a\u0300-00.14.04-1-300x277.png\" class=\"attachment-medium size-medium wp-image-2635\" alt=\"\" srcset=\"https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/Capture-de\u0301cran-2020-11-14-a\u0300-00.14.04-1-300x277.png 300w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/Capture-de\u0301cran-2020-11-14-a\u0300-00.14.04-1-768x710.png 768w, https:\/\/looketmedecine.fr\/wp-content\/uploads\/2020\/10\/Capture-de\u0301cran-2020-11-14-a\u0300-00.14.04-1.png 941w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>L\u2019ASYM\u00c9TRIE DU VISAGE PERMET DE QUANTIFIER LE PHOTO-VIEILLISSEMENT D\u00db AUX RAYONNEMENTS ULTRAVIOLETS Pr Philippe Humbert R\u00e9sum\u00e9 Cette \u00e9tude met en exergue le r\u00f4le du photo-vieillissement et de l\u2019exposition ultraviolette \u00e0 pr\u00e9dominance lat\u00e9ralit\u00e9 comme facteur d\u00e9terminant de l\u2019asym\u00e9trie d\u2019un visage.\u00a0 Le photo-vieillissement est un ph\u00e9notype d\u2019un individu qui est consid\u00e9r\u00e9 comme la part du vieillissement li\u00e9e [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1294,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[174],"tags":[223,243],"auteur":[404],"mots-cles":[],"class_list":["post-1271","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tout-ce-que-vous-voulez-savoir","tag-lm1-accueil","tag-lm1-theme-savoir","auteur-philippe-humbert"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>LM N\u00b01\/2020. Comment quantifier le photo-vieillissement d\u00fb aux rayonnements ultraviolets. Pr Philippe HUMBERT. - Revue fran\u00e7aise N\u00b01 pour la recherche en sant\u00e9 esth\u00e9tique<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/looketmedecine.fr\/en\/wp-json\/wp\/v2\/posts\/1271\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"LM N\u00b01\/2020. Comment quantifier le photo-vieillissement d\u00fb aux rayonnements ultraviolets. 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