{"id":465,"date":"2015-10-20T16:52:02","date_gmt":"2015-10-20T14:52:02","guid":{"rendered":"http:\/\/www.esthetiquemedicale.com\/blog\/?p=465"},"modified":"2015-10-20T16:52:54","modified_gmt":"2015-10-20T14:52:54","slug":"mise-en-lumiere-sur-limpact-des-uv-sur-ladn","status":"publish","type":"post","link":"https:\/\/www.esthetiquemedicale.com\/blog\/mise-en-lumiere-sur-limpact-des-uv-sur-ladn\/","title":{"rendered":"Mise en lumi\u00e8re sur l\u2019impact des UV sur l\u2019ADN"},"content":{"rendered":"<p align=\"justify\"><a href=\"http:\/\/www.esthetiquemedicale.com\/blog\/wp-content\/uploads\/2015\/10\/UV-c-viperagp-Fotolia.com_.jpg\"><img decoding=\"async\" loading=\"lazy\" class=\"size-medium wp-image-466 aligncenter\" alt=\"UV-c-viperagp-Fotolia.com_\" src=\"https:\/\/www.esthetiquemedicale.com\/blog\/wp-content\/uploads\/2015\/10\/UV-c-viperagp-Fotolia.com_-300x199.jpg\" width=\"300\" height=\"199\" srcset=\"https:\/\/www.esthetiquemedicale.com\/blog\/wp-content\/uploads\/2015\/10\/UV-c-viperagp-Fotolia.com_-300x199.jpg 300w, https:\/\/www.esthetiquemedicale.com\/blog\/wp-content\/uploads\/2015\/10\/UV-c-viperagp-Fotolia.com_-450x300.jpg 450w, https:\/\/www.esthetiquemedicale.com\/blog\/wp-content\/uploads\/2015\/10\/UV-c-viperagp-Fotolia.com_.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/p>\n<p align=\"justify\"><span style=\"font-family: 'Times New Roman';\">Le soleil \u00e9met un rayonnement \u00e9lectromagn\u00e9tique qui se d\u00e9compose, entre autre, de rayonnement ultraviolet de trois types, nous distinguons les <strong>UVA<\/strong>, les <strong>UVB<\/strong>, et les <strong>UVC<\/strong>. Des scientifiques de l\u2019Universit\u00e9 de Newcastle ont mis en \u00e9vidence<strong> l\u2019impact des rayons ultraviolets sur l\u2019ADN ainsi que les dommages qui peuvent s\u2019y ajouter<\/strong>. Une \u00e9tude publi\u00e9e dans \u00ab The Journal of Investigative Dermatology \u00bb, \u00e0 \u00e9tudi\u00e9e l\u2019impact des UV sur des cellules humaines de l\u2019\u00e9piderme et du derme.<\/span><\/p>\n<p align=\"justify\"><span style=\"font-family: 'Times New Roman';\">Celle-ci confirme que l\u2019<strong>exposition prolong\u00e9e aux UV<\/strong> aurait un <strong>impact direct sur le vieillissement cutan\u00e9<\/strong>, on parle d\u2019ailleurs de photo vieillissement cutan\u00e9. Les rayons du soleil p\u00e9n\u00e8trent dans les cellules ce qui entra\u00eene une diminution des fibroblastes, et donc une diminution de la production d\u2019\u00e9lastine et de collag\u00e8ne et ainsi engendre un vieillissement pr\u00e9matur\u00e9 de la peau marqu\u00e9e par l\u2019apparition de rides, ou encore de t\u00e2ches, ainsi qu\u2019un rel\u00e2chement cutan\u00e9. Par ailleurs, ces exp\u00e9riences ont r\u00e9v\u00e9l\u00e9es que les <strong>UVA \/UVB<\/strong>, entrainent la production de radicaux libres, ainsi que des mutations au sein des cellules pouvant \u00eatre \u00e0 l\u2019origine de la formation de cancer de la peau.<\/span><\/p>\n<p><span style=\"font-family: 'Times New Roman';\">Le professeur de Dermatologie mol\u00e9culaire de l\u2019universit\u00e9 de Newcastle, Mark Birch-Machin, affirme que l\u2019\u00e9tude approfondie des diff\u00e9rents spectres <strong>UVA\/UVB<\/strong> sur les d\u00e9g\u00e2ts de l\u2019ADN s\u2019av\u00e8re \u00eatre un atout pr\u00e9cieux pour les industries pharmaceutiques et cosm\u00e9tiques.<\/span><\/p>\n<p><span style=\"font-family: 'Times New Roman';\"><span style=\"color: #000000;\"><i><span style=\"text-decoration: underline;\"><span>Sources<\/span><\/span><\/i><i><span>: Body Language, The Uk and International Journal of Medical Aesthetics and Anti- Ageing, September 2015.<\/span><\/i><\/span><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Le soleil \u00e9met un rayonnement \u00e9lectromagn\u00e9tique qui se d\u00e9compose, entre autre, de rayonnement ultraviolet de trois types, nous distinguons les UVA, les UVB, et les UVC. Des scientifiques de l\u2019Universit\u00e9 de Newcastle ont mis en \u00e9vidence l\u2019impact des rayons ultraviolets &hellip; <a href=\"https:\/\/www.esthetiquemedicale.com\/blog\/mise-en-lumiere-sur-limpact-des-uv-sur-ladn\/\">Lire la suite <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[16,2],"tags":[],"_links":{"self":[{"href":"https:\/\/www.esthetiquemedicale.com\/blog\/wp-json\/wp\/v2\/posts\/465"}],"collection":[{"href":"https:\/\/www.esthetiquemedicale.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.esthetiquemedicale.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.esthetiquemedicale.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.esthetiquemedicale.com\/blog\/wp-json\/wp\/v2\/comments?post=465"}],"version-history":[{"count":2,"href":"https:\/\/www.esthetiquemedicale.com\/blog\/wp-json\/wp\/v2\/posts\/465\/revisions"}],"predecessor-version":[{"id":468,"href":"https:\/\/www.esthetiquemedicale.com\/blog\/wp-json\/wp\/v2\/posts\/465\/revisions\/468"}],"wp:attachment":[{"href":"https:\/\/www.esthetiquemedicale.com\/blog\/wp-json\/wp\/v2\/media?parent=465"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.esthetiquemedicale.com\/blog\/wp-json\/wp\/v2\/categories?post=465"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.esthetiquemedicale.com\/blog\/wp-json\/wp\/v2\/tags?post=465"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}