{"id":17224,"date":"2026-06-09T21:11:40","date_gmt":"2026-06-09T19:11:40","guid":{"rendered":"https:\/\/rvh-synergie.org\/actualites\/une-entreprise-de-longevite-teste-une-pilule-qui-vise-a-prolonger-la-vie\/"},"modified":"2026-06-09T21:11:42","modified_gmt":"2026-06-09T19:11:42","slug":"une-entreprise-de-longevite-teste-une-pilule-qui-vise-a-prolonger-la-vie","status":"publish","type":"post","link":"https:\/\/rvh-synergie.org\/actualites\/une-entreprise-de-longevite-teste-une-pilule-qui-vise-a-prolonger-la-vie\/","title":{"rendered":"Une entreprise de long\u00e9vit\u00e9 teste une pilule qui vise \u00e0 prolonger la vie"},"content":{"rendered":"<p><!--$--><\/p>\n<div data-hk=\"0000a104212000a22200\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Fin mai 2026, la soci\u00e9t\u00e9 de long\u00e9vit\u00e9 Retro Biosciences, financ\u00e9e par le patron d&rsquo;OpenAI Sam Altman, atteignait une valorisation de 1,8 milliard de dollars. La raison est plus importante que le nombre : Retro a lanc\u00e9 en Australie la premi\u00e8re \u00e9tude clinique sur des humains dans laquelle un ingr\u00e9dient actif stimule sp\u00e9cifiquement un processus biologique que la recherche sur la long\u00e9vit\u00e9 d\u00e9crit depuis des ann\u00e9es comme un m\u00e9canisme central du vieillissement. <\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a222104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-mobile-hor-2\" data-orientation=\"hor\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a22220\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Il s\u2019agit de l\u2019autophagie, le recyclage des d\u00e9chets cellulaires. Le PDG Joe Betts-LaCroix a rapport\u00e9 lors de la conf\u00e9rence STAT Breakthrough \u00e0 San Francisco que l&rsquo;\u00e9tude de phase 1 s&rsquo;est jusqu&rsquo;\u00e0 pr\u00e9sent d\u00e9roul\u00e9e sans aucun effet secondaire limitant la dose. La soci\u00e9t\u00e9 attend les premi\u00e8res donn\u00e9es sur les biomarqueurs en ao\u00fbt 2026.<\/p>\n<\/div>\n<div data-hk=\"0000a104212000a22230\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<h2>Ce que l&rsquo;autophagie signifie r\u00e9ellement pour le vieillissement<\/h2>\n<p>Imaginez les cellules de votre corps comme une maison avec un centre de recyclage int\u00e9gr\u00e9. Des prot\u00e9ines bris\u00e9es, des mitochondries endommag\u00e9es et des structures mal repli\u00e9es s\u2019accumulent chaque jour. <\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a222404\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-out\">\n<div id=\"ad-slot-mobile-out-1\" data-orientation=\"out\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a22250\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Dans les jeunes cellules, l&rsquo;\u00e9limination des d\u00e9chets fonctionne de mani\u00e8re fiable. Les composants endommag\u00e9s sont collect\u00e9s dans une vessie recouverte d&rsquo;une membrane, d\u00e9compos\u00e9s dans un organe digestif cellulaire et leurs \u00e9l\u00e9ments constitutifs sont r\u00e9utilis\u00e9s. Ce processus est appel\u00e9 autophagie, d\u00e9riv\u00e9 du grec signifiant \u00ab se manger soi-m\u00eame \u00bb. Le Japonais Yoshinori Ohsumi a re\u00e7u le prix Nobel de m\u00e9decine en 2016 pour avoir \u00e9lucid\u00e9 les g\u00e8nes sous-jacents.<\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a222604\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-3\" data-orientation=\"hor\" data-index=\"3\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a22270\" class=\"Ad-Row\">\n<div class=\"Ad-Col col-lg-5\">\n<div data-hk=\"0000a104212000a2227104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-ver\" role=\"region\" aria-label=\"Anzeige 1\">\n<div id=\"ad-slot-desktop-ver-1\" data-orientation=\"ver\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<div class=\"Ad-Col col-lg-5\">\n<aside data-hk=\"0000a104212000a2227204\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-ver Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-desktop-ver-2\" data-orientation=\"ver\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<\/div>\n<\/div>\n<div data-hk=\"0000a104212000a22280\" class=\"Article-ReusableText Html-Block\" data-qa-article-reusable-content-text><!--$--><!--\/--><!--$--><!--\/--><\/p>\n<div>\n<p>Nils Behrens est l&rsquo;un des experts en long\u00e9vit\u00e9 les plus connus dans les pays germanophones et animateur du podcast HEALTHWISE. Il fait partie de notre r\u00e9seau d&rsquo;experts EXPERTS Circle.<\/p>\n<\/div>\n<\/div>\n<div data-hk=\"0000a104212000a22290\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Avec l\u2019\u00e2ge, cette machinerie ralentit. Les d\u00e9chets restent \u00e0 tra\u00eener. Dans les neurones, cela conduit \u00e0 des agr\u00e9gats tels que la b\u00eata-amylo\u00efde ou la prot\u00e9ine tau phosphoryl\u00e9e, les amas de prot\u00e9ines qui caract\u00e9risent la maladie d&rsquo;Alzheimer. Dans les cellules musculaires, l\u2019accumulation de d\u00e9chets favorise la perte de masse musculaire et dans les cellules h\u00e9patiques le stockage des graisses. <\/p>\n<\/div>\n<div data-hk=\"0000a104212000a222a100\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Si l\u2019on relance l\u2019autophagie, on s\u2019attaque th\u00e9oriquement au fond biologique commun de plusieurs maladies, au lieu de chacune d\u2019entre elles individuellement.<\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a222a1104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-4\" data-orientation=\"hor\" data-index=\"4\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a222a120\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<h2>Ce que Retro Biosciences d\u00e9veloppe sp\u00e9cifiquement<\/h2>\n<p>Retro a commenc\u00e9 2022 avec 180 millions de dollars provenant des actifs personnels d&rsquo;Altman. L&rsquo;objectif d\u00e9clar\u00e9 de l&rsquo;entreprise est d&rsquo;ajouter dix ann\u00e9es de vie en bonne sant\u00e9. Le candidat actuellement test\u00e9 cliniquement est une substance orale qui active le syst\u00e8me de l&rsquo;autophagie plus sp\u00e9cifiquement que le d\u00e9tour par le je\u00fbne ou l&rsquo;immunosuppresseur rapamycine.<\/p>\n<\/div>\n<div data-hk=\"0000a104212000a222a130\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>L&rsquo;\u00e9tude de phase 1 est en cours en Australie. L&rsquo;accent est mis sur la s\u00e9curit\u00e9. Parall\u00e8lement, les chercheurs mesurent des biomarqueurs destin\u00e9s \u00e0 montrer si le principe actif active r\u00e9ellement la machinerie de l\u2019autophagie dans les cellules humaines. <\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a222a1404\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-5\" data-orientation=\"hor\" data-index=\"5\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a222a150\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Une r\u00e9duction directe des agr\u00e9gats prot\u00e9iques typiques de la maladie d&rsquo;Alzheimer n&rsquo;est pas encore un objectif d&rsquo;\u00e9tude \u00e0 ce stade pr\u00e9coce. Il s\u2019agit tout d\u2019abord de prouver que la logique biologique fonctionne chez l\u2019humain. C\u2019est pr\u00e9cis\u00e9ment la preuve qui manque jusqu\u2019\u00e0 pr\u00e9sent \u00e0 la recherche sur l\u2019autophagie.<\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a222a1604\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-hor Ad-Slot-FC\">\n<div class=\"Ad-Slot-FC-Container\">\n<div class=\"Ad-Slot-FC-Window\">\n<div id=\"ad-slot-desktop-hor-2\" data-orientation=\"hor\" data-index=\"2\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/div>\n<\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a222a170\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<h2>L\u00e0 o\u00f9 l&rsquo;approche diff\u00e8re du programme habituel Alzheimer<\/h2>\n<p>La plupart des m\u00e9dicaments contre la maladie d&rsquo;Alzheimer des vingt derni\u00e8res ann\u00e9es ciblent une seule prot\u00e9ine, la b\u00eata-amylo\u00efde. Les deux anticorps approuv\u00e9s jusqu\u2019\u00e0 pr\u00e9sent, le l\u00e9canemab et le donanemab, r\u00e9duisent consid\u00e9rablement la charge de plaque dentaire et retardent le d\u00e9clin cognitif de quelques mois. En Allemagne, leurs co\u00fbts se situent dans la fourchette \u00e0 six chiffres par an de traitement et comportent un risque d&rsquo;effets secondaires graves tels qu&rsquo;un \u0153d\u00e8me c\u00e9r\u00e9bral ou des micro-h\u00e9morragies. <\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a222a1804\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-6\" data-orientation=\"hor\" data-index=\"6\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a222a190\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Le consensus scientifique a chang\u00e9 au cours des trois derni\u00e8res ann\u00e9es : l\u2019amylo\u00efde fait partie du probl\u00e8me, mais pas l\u2019ensemble du probl\u00e8me.<\/p>\n<\/div>\n<div data-hk=\"0000a104212000a222a200\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>L&rsquo;approche de Retro va plus loin. Lorsque le nettoyage cellulaire recommencera, il devrait \u00eatre capable d\u2019\u00e9liminer ensemble l\u2019amylo\u00efde, la prot\u00e9ine tau et les mitochondries endommag\u00e9es, c\u2019est-\u00e0-dire plusieurs facteurs \u00e9tablis de neurod\u00e9g\u00e9n\u00e9rescence \u00e0 la fois. C\u2019est th\u00e9oriquement le levier le plus \u00e9l\u00e9gant et en m\u00eame temps le plus risqu\u00e9. L&rsquo;autophagie est omnipr\u00e9sente dans le corps. Quiconque les augmente influence syst\u00e9matiquement l\u2019\u00e9limination des d\u00e9chets dans chaque organe. Ce qui aide un neurone vieillissant pourrait faciliter la survie d\u2019une cellule tumorale. La phase 1 doit r\u00e9pondre pr\u00e9cis\u00e9ment \u00e0 ces questions.<\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a222a2104\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-7\" data-orientation=\"hor\" data-index=\"7\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a222a220\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<h2>Ce que nous enseignent les derni\u00e8res tendances en mati\u00e8re de long\u00e9vit\u00e9<\/h2>\n<p>L\u2019industrie de la long\u00e9vit\u00e9 a subi plusieurs le\u00e7ons difficiles ces derni\u00e8res ann\u00e9es. Unity Biotechnology a \u00e9chou\u00e9 en phase 2 avec les s\u00e9nolytiques contre l&rsquo;arthrose en 2020. Le titre a perdu plus de 95 % en deux ans. En mai 2026, un essai randomis\u00e9 sur la rapamycine chez des personnes \u00e2g\u00e9es s&rsquo;est sold\u00e9 par aucun b\u00e9n\u00e9fice par rapport au placebo. Le placebo a obtenu de meilleurs r\u00e9sultats dans toutes les mesures de condition physique.<\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a222a2304\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-8\" data-orientation=\"hor\" data-index=\"8\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<aside data-hk=\"0000a104212000a222a2404\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-desktop Ad-Slot-out\">\n<div id=\"ad-slot-desktop-out-1\" data-orientation=\"out\" data-index=\"1\" data-slot=\"ad-slot\" data-device=\"desktop\"><\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a222a250\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Il en r\u00e9sulte une heuristique sobre pour \u00e9valuer le r\u00e9tro. Les souris vivent plus longtemps lorsque l\u2019autophagie est stimul\u00e9e. Les gens ne sont pas des souris. Si vous souhaitez lire les donn\u00e9es du mois d\u2019ao\u00fbt de mani\u00e8re r\u00e9aliste, faites attention \u00e0 deux points. Premi\u00e8rement, si les marqueurs de l\u2019autophagie dans les tissus humains ou les biopsies r\u00e9pondent r\u00e9ellement. Deuxi\u00e8mement, si le profil de s\u00e9curit\u00e9 reste stable avec une utilisation \u00e0 long terme.<\/p>\n<\/div>\n<div data-hk=\"0000a104212000a222a260\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<h2>Ce que vous pouvez faire aujourd&rsquo;hui<\/h2>\n<p>Mais il n\u2019est pas n\u00e9cessaire d\u2019attendre qu\u2019un principe actif d\u00e9clenche votre propre autophagie. Deux leviers bas\u00e9s sur le mode de vie sont bien document\u00e9s dans des essais randomis\u00e9s\u00a0:<\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a222a2704\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-9\" data-orientation=\"hor\" data-index=\"9\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a222a280\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<ol>\n<li><strong>Pauses repas plus longues :<\/strong> Seulement 14 \u00e0 16 heures sans nourriture solide augmentent de mani\u00e8re mesurable l\u2019activit\u00e9 des g\u00e8nes de l\u2019autophagie, plus fortement dans le foie et les muscles squelettiques. Si vous regroupez trois repas sur une p\u00e9riode de huit \u00e0 dix heures, vous pouvez utiliser cet effet dans votre vie quotidienne.<\/li>\n<li><strong>Entra\u00eenement r\u00e9gulier d&rsquo;endurance dans le domaine a\u00e9robie :<\/strong> Seulement 30 minutes de marche rapide ou de v\u00e9lo l\u00e9ger au moins trois jours par semaine activent les voies de signalisation de l&rsquo;autophagie dans les cellules du c\u0153ur et des muscles squelettiques. Les intervalles de haute intensit\u00e9 renforcent encore l\u2019effet.<\/li>\n<\/ol>\n<p>Aucun de ces leviers ne remplace aucun m\u00e9dicament contre la maladie d&rsquo;Alzheimer. Cependant, vous d\u00e9placez le point de d\u00e9part \u00e0 partir duquel vos cellules vieillissent. Les \u00e9tudes sur le je\u00fbne et l\u2019exercice sont bien plus robustes que celles sur les stimulateurs pharmacologiques de l\u2019autophagie. <\/p>\n<\/div>\n<aside data-hk=\"0000a104212000a222a2904\" data-qa-ad-slot class=\"Ad-Slot Ad-Slot-mobile Ad-Slot-hor\">\n<div id=\"ad-slot-mobile-hor-10\" data-orientation=\"hor\" data-index=\"10\" data-slot=\"ad-slot\" data-device=\"mobile\"><\/div>\n<\/aside>\n<div data-hk=\"0000a104212000a222a300\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Ce qui est passionnant dans le programme de Retro r\u00e9side moins dans la promesse d\u2019une gu\u00e9rison rapide. Il sera passionnant de voir si l\u2019autophagie s\u2019av\u00e8re pour la premi\u00e8re fois \u00eatre un levier pharmacologiquement contr\u00f4lable. <\/p>\n<\/div>\n<div data-hk=\"0000a104212000a222a310\" class=\"Html-Block\" data-qa-article-content-text data-text-milestone-block>\n<p>Si tel est le cas, une nouvelle phase de la m\u00e9decine de la long\u00e9vit\u00e9 commence. Dans le cas contraire, le moyen le plus important d\u2019obtenir un nettoyage cellulaire efficace reste ce que votre grand-m\u00e8re faisait probablement instinctivement\u00a0: ne pas manger tout le temps et faire de l\u2019exercice r\u00e9guli\u00e8rement.<\/p>\n<\/div>\n<p><!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><br \/>\n<!--$--><br \/>\n<!--\/--><br \/>\n<script async src=\"\/\/www.instagram.com\/embed.js\"><\/script><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Fin mai 2026, la soci\u00e9t\u00e9 de long\u00e9vit\u00e9 Retro Biosciences, financ\u00e9e par le patron d&rsquo;OpenAI Sam<\/p>\n","protected":false},"author":1,"featured_media":17225,"comment_status":"open","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[86],"tags":[9311,2149,2597,8073,193,4179,47,597,5236],"class_list":["post-17224","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-les-maladies","tag-entreprise","tag-longevite","tag-pilule","tag-prolonger","tag-qui","tag-teste","tag-une","tag-vie","tag-vise","generate-columns","tablet-grid-50","mobile-grid-100","grid-parent","grid-50","resize-featured-image"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - 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