{"id":690301,"date":"2026-05-01T17:56:03","date_gmt":"2026-05-01T17:56:03","guid":{"rendered":"https:\/\/microscopemedia.com\/?p=690301"},"modified":"2026-05-01T17:56:03","modified_gmt":"2026-05-01T17:56:03","slug":"cum-simte-creierul-bacteriile-din-intestin-legatura-dintre-microbiom-si-comportament","status":"publish","type":"post","link":"https:\/\/microscopemedia.com\/?p=690301","title":{"rendered":"Cum \u201esimte\u201d creierul bacteriile din intestin. Leg\u0103tura dintre microbiom \u0219i comportament"},"content":{"rendered":"<div><img decoding=\"async\" src=\"https:\/\/microscopemedia.com\/wp-content\/uploads\/2026\/05\/cum-simte-creierul-bacteriile-din-intestin-legatura-dintre-microbiom-si-comportament.jpg\" class=\"ff-og-image-inserted\"><\/div>\n<p id=\"p-0\">Studiul, publicat \u00een revista Current Biology, a fost realizat pe un model de vierme microscopic (C. elegans), folosit frecvent \u00een cercetare deoarece are neuroni care \u201esimt\u201d direct bacteriile din sistemul digestiv.<\/p>\n<p id=\"p-1\">O anumit\u0103 celul\u0103 nervoas\u0103 din intestin detecteaz\u0103 substan\u021be chimice produse de bacterii. Mai exact, nu bacteriile \u00een sine sunt \u201ev\u0103zute\u201d de creier, ci moleculele pe care acestea le elibereaz\u0103 sau le au pe suprafa\u021b\u0103.<\/p>\n<p id=\"p-2\">C\u00e2nd neuronul recunoa\u0219te bacterii \u201ebune\u201d, viermele \u00eencepe s\u0103 m\u0103n\u00e2nce mai mult \u0219i s\u0103 se mi\u0219te mai lent, comportament care \u00eel ajut\u0103 s\u0103 r\u0103m\u00e2n\u0103 la sursa de hran\u0103.<\/p>\n<p id=\"p-3\">C\u00e2nd detecteaz\u0103 bacterii periculoase, reac\u021bia este invers\u0103: evit\u0103 consumul \u0219i \u00ee\u0219i schimb\u0103 comportamentul pentru a se proteja.<\/p>\n<h2 id=\"chapter-0\">Ce anume \u201esimte\u201d creierul<\/h2>\n<p id=\"p-4\">Cercet\u0103torii au descoperit c\u0103 neuronii nu reac\u021bioneaz\u0103 la ADN, proteine sau zaharuri simple, ci la un tip specific de zaharuri complexe de pe suprafa\u021ba bacteriilor.<\/p>\n<p id=\"p-5\">Aceste molecule ac\u021bioneaz\u0103 ca un fel de \u201eetichet\u0103 chimic\u0103\u201d: unele semnale spun \u201eaceasta este hran\u0103\u201d, altele semnaleaz\u0103 \u201epericol\u201d.<\/p>\n<p id=\"p-6\">\u00cen plus, un compus produs de anumite bacterii toxice poate bloca complet reac\u021bia neuronilor, determin\u00e2nd organismul s\u0103 evite acea surs\u0103 de hran\u0103.<\/p>\n<h2 id=\"chapter-1\">De ce este important<\/h2>\n<p id=\"p-7\">Descoperirea ajut\u0103 la explicarea unei idei din ce \u00een ce mai dezb\u0103tut\u0103, anume c\u0103 bacteriile din intestin nu influen\u021beaz\u0103 doar digestia, ci pot afecta direct creierul \u0219i comportamentul.<\/p>\n<p id=\"p-8\">Acest lucru este relevant pentru oameni, deoarece microbiomul intestinal a fost deja asociat cu afec\u021biuni precum depresia sau Parkinson, de\u0219i mecanismele exacte nu erau bine \u00een\u021belese.<\/p>\n<p id=\"p-9\">Cercet\u0103torii spun c\u0103 acelea\u0219i tipuri de \u201ecircuite\u201d biologice ar putea exista \u0219i la mamifere, inclusiv la oameni.<\/p>\n<p id=\"p-10\">Pe termen lung, astfel de descoperiri ar putea ajuta la dezvoltarea de tratamente care influen\u021beaz\u0103 microbiomul pentru a regla mai bine func\u021bia creierului, apetitul sau chiar anumite boli neurologice.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Studiul, publicat \u00een revista Current Biology, a fost realizat pe un model de vierme microscopic (C. elegans), folosit frecvent \u00een cercetare deoarece are neuroni care \u201esimt\u201d direct bacteriile din sistemul &hellip; <a href=\"https:\/\/microscopemedia.com\/?p=690301\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":690302,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"Default","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/690301"}],"collection":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=690301"}],"version-history":[{"count":0,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/690301\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/media\/690302"}],"wp:attachment":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=690301"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=690301"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=690301"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}