{"id":19772,"date":"2023-08-26T23:00:00","date_gmt":"2023-08-26T23:00:00","guid":{"rendered":"https:\/\/www.africa-press.net\/benin\/politique\/linjection-de-la-proteine-klotho-a-ameliore-la-memoire-de-singes-ages"},"modified":"2023-08-28T22:58:56","modified_gmt":"2023-08-28T22:58:56","slug":"linjection-de-la-proteine-klotho-a-ameliore-la-memoire-de-singes-ages","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/benin\/toutes-les-actualites\/linjection-de-la-proteine-klotho-a-ameliore-la-memoire-de-singes-ages","title":{"rendered":"L&rsquo;injection de la prot\u00e9ine Klotho a am\u00e9lior\u00e9 la m\u00e9moire de singes \u00e2g\u00e9s"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Benin. <\/strong><\/span>Une seule injection de Klotho, l\u2019hormone anti-vieillissement, a\u0300 des macaques a\u0302ge\u0301s ame\u0301liore nettement leur me\u0301moire spatiale montre une e\u0301tude publie\u0301e dans la revue Nature Aging par des chercheurs ame\u0301ricains et australiens. La dose injecte\u0301e dans la peau induisait une concentration physiologique de Klotho, et son effet, sensible au bout de 4 heures, a perdure\u0301 pendant au moins deux semaines chez les singes des deux sexes. Un seul type de me\u0301moire a e\u0301te\u0301 teste\u0301, celle qui permet par exemple de retrouver sa voiture dans un grand parking.<\/p>\n<p><b>Une hormone anti-vieillissement<\/b><\/p>\n<p>De\u0301couverte fortuitement chez la souris en 1997, Klotho est une enzyme aux multiples fonctions dans l\u2019organisme et dont la concentration sanguine de\u0301croi\u0302t avec l\u2019a\u0302ge. Les souris ge\u0301ne\u0301tiquement de\u0301pourvues de Klotho se de\u0301veloppent normalement puis pre\u0301sentent un vieillissement acce\u0301le\u0301re\u0301 de l\u2019organisme marque\u0301 par une marche re\u0301duite et anormale, une atrophie des organes ge\u0301nitaux, des scle\u0301roses des vaisseaux, un amincissement de la peau, une oste\u0301oporose et un de\u0301ce\u0300s pre\u0301mature\u0301. Quand, au contraire, une production plus e\u0301leve\u0301e de Klotho est induite chez des souris, celles-ci ont de meilleures capacite\u0301s cognitives, moins de troubles vasculaires lie\u0301s a\u0300 l\u2019a\u0302ge et une longe\u0301vite\u0301 accrue.<\/p>\n<p><b>Une piste contre Alzheimer ?<\/b><\/p>\n<p>Chez l\u2019e\u0302tre humain, les taux sanguins de Klotho plus e\u0301leve\u0301s se retrouvent souvent chez les nonage\u0301naires en bonne forme physique et les personnes avec de meilleures capacite\u0301s cognitives a\u0300 un a\u0302ge donne\u0301, tandis que des taux plus faibles sont plus fre\u0301quents chez les personnes atteintes de la maladie d\u2019Alzheimer.<\/p>\n<p>Les bons re\u0301sultats produits par cette premie\u0300re expe\u0301rience d\u2019injection de Klotho chez des primates confirment ceux de\u0301ja\u0300 obtenus chez la souris et la possibilite\u0301 d\u2019essais cliniques de Klotho pour traiter les proble\u0300mes cognitifs, voir plus ge\u0301ne\u0301ralement de sante\u0301, dus a\u0300 l\u2019a\u0302ge.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <a href=\"https:\/\/www.africa-press.net\/benin\">Benin<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Benin. Une seule injection de Klotho, l\u2019hormone anti-vieillissement, a\u0300 des macaques a\u0302ge\u0301s ame\u0301liore nettement leur me\u0301moire spatiale montre une e\u0301tude publie\u0301e dans la revue Nature Aging par des chercheurs ame\u0301ricains et australiens. La dose injecte\u0301e dans la peau induisait une concentration physiologique de Klotho, et son effet, sensible au bout de 4 heures, [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":19771,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[36,50,45],"class_list":["post-19772","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press","tag-africa-press-benin","tag-benin"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v27.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>L&#039;injection de la prot\u00e9ine Klotho a am\u00e9lior\u00e9 la m\u00e9moire de singes \u00e2g\u00e9s - B\u00e9nin<\/title>\n<meta name=\"description\" content=\"Une seule injection de Klotho, l\u2019hormone anti-vieillissement, a\u0300 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