{"id":45588,"date":"2023-06-09T22:45:46","date_gmt":"2023-06-09T22:45:46","guid":{"rendered":"https:\/\/www.africa-press.net\/senegal\/politique\/soigner-la-depression-par-des-hallucinogenes"},"modified":"2023-06-10T00:13:44","modified_gmt":"2023-06-10T00:13:44","slug":"soigner-la-depression-par-des-hallucinogenes","status":"publish","type":"post","link":"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/soigner-la-depression-par-des-hallucinogenes","title":{"rendered":"Soigner la d\u00e9pression par des hallucinog\u00e8nes"},"content":{"rendered":"<p><span style=\"color: #ff6600\"><strong>Africa-Press &#8211; Senegal. <\/strong><\/span>Ces dernie\u0300res anne\u0301es, une attention toute particulie\u0300re s\u2019est porte\u0301e sur la potentialite\u0301 de pouvoir, a\u0300 l\u2019aide de drogues psyche\u0301de\u0301liques telles que le LSD ou la psilocybine \u2013 le principe actif des champignons hallucinoge\u0300nes -, traiter certaines maladies psychiatriques. Et notamment la de\u0301pression qui a explose\u0301 au niveau mondial durant cette dernie\u0300re de\u0301cennie, particulie\u0300rement chez les plus jeunes, s\u2019il faut en croire une e\u0301tude de 2020.<\/p>\n<p><b>Le re\u0301cepteur TrkB cible\u0301<\/b><\/p>\n<p>Eero Castre\u0301n et ses colle\u0300gues de l\u2019Universite\u0301 d\u2019Helsinki (Finlande) viennent de publier dans Nature Neuroscience une e\u0301tude fondamentale de\u0301montrant ou\u0300 agissent ces compose\u0301s sur le cerveau, ouvrant la voie a\u0300 des traitements psychiatriques prometteurs. En effet, les chercheurs ont montre\u0301 en laboratoire que des neurones re\u0301agissaient fortement en pre\u0301sence de LSD et de psilocybine, ces derniers activant un re\u0301cepteur spe\u0301cifique, le TrkB.<\/p>\n<p>Celui-ci apparai\u0302t e\u0302tre un acteur essentiel dans certaines affections psychiatriques ou neurologiques. Ainsi, la me\u0302me e\u0301quipe avait montre\u0301 dans une pre\u0301ce\u0301dente e\u0301tude que les antide\u0301presseurs conventionnels, comme la fluoxetine ou l\u2019imipramine, se liaient a\u0300 ce re\u0301cepteur, de\u0301clenchant alors une cascade de re\u0301actions conduisant a\u0300 une augmentation de la neuroplasticite\u0301 et des connexions entre neurones, des e\u0301le\u0301ments the\u0301rapeutiques cle\u0301 pour le traitement de la de\u0301pression.<\/p>\n<p>Or, avec la pre\u0301sente e\u0301tude il s\u2019ave\u0300re que le LSD et la psilocybine ont une affinite\u0301 incomparablement plus forte avec ce re\u0301cepteur, plus de mille fois supe\u0301rieure aux antide\u0301presseurs classiques ! Teste\u0301e sur une souris mode\u0300le pour le stress chronique, une simple dose de LSD a semble\u0301 calmer l\u2019animal et lui procurer un effet antide\u0301presseur.<\/p>\n<p><b>Des antide\u0301presseurs d\u2019un nouveau genre<\/b><\/p>\n<p>Reste de\u0301sormais un e\u0301cueil : e\u0301viter les hallucinations cause\u0301es par ces drogues. Il semble toutefois que le lien fort qui s\u2019e\u0301tablit entre le re\u0301cepteur TrkB et le LSD ou la psilocybine se fasse inde\u0301pendamment des re\u0301cepteurs a\u0300 la se\u0301rotonine implique\u0301s dans les effets hallucinoge\u0300nes et que ces derniers puissent e\u0302tre dissocie\u0301s de leurs effets antide\u0301presseurs.<\/p>\n<p>En ciblant spe\u0301cifiquement TrkB avec des compose\u0301s inspire\u0301s du LSD ou de la psilocybine, les chercheurs espe\u0300rent parvenir a\u0300 mettre au point des antide\u0301presseurs d\u2019un nouveau genre, plus efficace et a\u0300 tre\u0300s longue dure\u0301e.<\/p>\n<p><strong>Pour plus d&rsquo;informations et d&rsquo;analyses sur la <a href=\"https:\/\/www.africa-press.net\/senegal\">Senegal<\/a>, suivez <a href=\"https:\/\/www.africa-press.net\/\">Africa-Press<\/a><\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Africa-Press &#8211; Senegal. Ces dernie\u0300res anne\u0301es, une attention toute particulie\u0300re s\u2019est porte\u0301e sur la potentialite\u0301 de pouvoir, a\u0300 l\u2019aide de drogues psyche\u0301de\u0301liques telles que le LSD ou la psilocybine \u2013 le principe actif des champignons hallucinoge\u0300nes -, traiter certaines maladies psychiatriques. Et notamment la de\u0301pression qui a explose\u0301 au niveau mondial durant cette dernie\u0300re de\u0301cennie, [&hellip;]<\/p>\n","protected":false},"author":82,"featured_media":45587,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[22,10],"tags":[43,47,44],"class_list":["post-45588","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-divers","category-toutes-les-actualites","tag-africa-press-2","tag-africa-press-senegal","tag-senegal-2"],"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>Soigner la d\u00e9pression par des hallucinog\u00e8nes - Senegal<\/title>\n<meta name=\"description\" content=\"Ces dernie\u0300res anne\u0301es, une attention toute particulie\u0300re s\u2019est porte\u0301e sur la potentialite\u0301 de pouvoir, a\u0300 l\u2019aide de dr ...\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/soigner-la-depression-par-des-hallucinogenes\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Soigner la d\u00e9pression par des hallucinog\u00e8nes\" \/>\n<meta property=\"og:description\" content=\"Ces dernie\u0300res anne\u0301es, une attention toute particulie\u0300re s\u2019est porte\u0301e sur la potentialite\u0301 de pouvoir, a\u0300 l\u2019aide de dr ...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/soigner-la-depression-par-des-hallucinogenes\" \/>\n<meta property=\"og:site_name\" content=\"Senegal\" \/>\n<meta property=\"article:published_time\" content=\"2023-06-09T22:45:46+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-06-10T00:13:44+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2023\/06\/sm_1686339627.79889.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"900\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"cfeditorfr\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"\u00c9crit par\" \/>\n\t<meta name=\"twitter:data1\" content=\"cfeditorfr\" \/>\n\t<meta name=\"twitter:label2\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/soigner-la-depression-par-des-hallucinogenes#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/soigner-la-depression-par-des-hallucinogenes\"},\"author\":{\"name\":\"cfeditorfr\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/#\/schema\/person\/2b1cf3cd81a31e3cd26889ca66d677f1\"},\"headline\":\"Soigner la d\u00e9pression par des hallucinog\u00e8nes\",\"datePublished\":\"2023-06-09T22:45:46+00:00\",\"dateModified\":\"2023-06-10T00:13:44+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/soigner-la-depression-par-des-hallucinogenes\"},\"wordCount\":442,\"commentCount\":0,\"image\":{\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/soigner-la-depression-par-des-hallucinogenes#primaryimage\"},\"thumbnailUrl\":\"https:\/\/static.africa-press.net\/senegal\/sites\/13\/2023\/06\/sm_1686339627.79889.jpg\",\"keywords\":[\"Africa Press\",\"Africa Press-Senegal\",\"Senegal\"],\"articleSection\":[\"Divers\",\"Toutes les actualit\u00e9s\"],\"inLanguage\":\"fr-FR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/soigner-la-depression-par-des-hallucinogenes#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/soigner-la-depression-par-des-hallucinogenes\",\"url\":\"https:\/\/www.africa-press.net\/senegal\/toutes-les-actualites\/soigner-la-depression-par-des-hallucinogenes\",\"name\":\"Soigner la d\u00e9pression par des hallucinog\u00e8nes - 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