{"id":680883,"date":"2026-03-09T13:27:03","date_gmt":"2026-03-09T13:27:03","guid":{"rendered":"https:\/\/microscopemedia.com\/?p=680883"},"modified":"2026-03-09T13:27:03","modified_gmt":"2026-03-09T13:27:03","slug":"expunerea-la-un-fungicid-in-sarcina-poate-afecta-20-de-generatii","status":"publish","type":"post","link":"https:\/\/microscopemedia.com\/?p=680883","title":{"rendered":"Expunerea la un fungicid \u00een sarcin\u0103 poate afecta 20 de genera\u021bii"},"content":{"rendered":"<div><img decoding=\"async\" src=\"https:\/\/microscopemedia.com\/wp-content\/uploads\/2026\/03\/expunerea-la-un-fungicid-in-sarcina-poate-afecta-20-de-generatii.png\" class=\"ff-og-image-inserted\"><\/div>\n<p id=\"p-0\">Un studiu realizat pe \u0219obolani sugereaz\u0103 c\u0103 expunerea la un anume fungicid \u00een timpul sarcinii ar putea avea efecte asupra s\u0103n\u0103t\u0103\u021bii descenden\u021bilor timp de p\u00e2n\u0103 la 20 de genera\u021bii. Experimentul s-a concentrat asupra vinclozolinului, o substan\u021b\u0103 activ\u0103 din fungicide, folosit\u0103 pentru combaterea bolilor fungice la plante.<\/p>\n<p id=\"p-1\">Cercet\u0103torii au observat c\u0103 o singur\u0103 expunere la aceast\u0103 substan\u021b\u0103 \u00een timpul sarcinii a crescut riscul de apari\u021bie a unor boli la urma\u0219ii animalelor studiate, iar efectele au continuat s\u0103 apar\u0103 de-a lungul mai multor genera\u021bii.<\/p>\n<h2 id=\"chapter-0\">Expunerea \u00een sarcin\u0103 afecteaz\u0103 genera\u021biile urm\u0103toare<\/h2>\n<p id=\"p-2\">Studiul a fost coordonat de Michael Skinner, profesor de biologie la Washington State University, care cerceteaz\u0103 de peste dou\u0103 decenii modul \u00een care factorii de mediu pot influen\u021ba mo\u0219tenirea biologic\u0103. Potrivit acestuia, efectele pot ap\u0103rea deoarece substan\u021ba afecteaz\u0103 linia germinal\u0103, adic\u0103 celulele din care se formeaz\u0103 spermatozoizii \u0219i ovulele.<\/p>\n<p id=\"p-3\">\u201e\u00cen esen\u021b\u0103, atunci c\u00e2nd o femel\u0103 gestant\u0103 este expus\u0103, \u0219i f\u0103tul este expus\u201d, a explicat specialistul, citat de <a href=\"https:\/\/www.sciencealert.com\/pesticide-exposure-could-increase-disease-risk-for-the-next-20-generations\" target=\"_blank\" rel=\"noopener\">ScienceAlert<\/a>. \u201eIar linia germinal\u0103 din interiorul f\u0103tului este, la r\u00e2ndul ei, expus\u0103. Din acel moment, efectele pot ap\u0103rea la urma\u0219i \u0219i la genera\u021biile urm\u0103toare\u201d.<\/p>\n<h2 id=\"chapter-1\">Modific\u0103ri epigenetice timp de 20 de genera\u021bii<\/h2>\n<p id=\"p-4\">Aceste tip de modific\u0103ri nu schimb\u0103 secven\u021ba ADN, ci modul \u00een care genele sunt \u201ecitite\u201d de organism. Fenomenul este cunoscut sub numele de mo\u0219tenire epigenetic\u0103 transgenera\u021bional\u0103 \u0219i influen\u021beaz\u0103 riscul de a dezvolta anumite boli.<\/p>\n<p id=\"p-5\">\u00cen cadrul cercet\u0103rii, oamenii de \u0219tiin\u021b\u0103 au urm\u0103rit mai \u00eent\u00e2i efectele timp de zece genera\u021bii \u0219i au observat c\u0103 riscul de boal\u0103 r\u0103m\u00e2ne ridicat. Ulterior au extins analiza p\u00e2n\u0103 la 20 de genera\u021bii pentru a vedea c\u00e2t de mult pot persista aceste efecte.<\/p>\n<h2 id=\"chapter-2\">Efecte agravate \u00een timp<\/h2>\n<p id=\"p-6\">Animalele din liniile afectate au prezentat probleme la nivelul rinichilor, prostatei, testiculelor \u0219i ovarelor, iar \u00een genera\u021biile mai t\u00e2rzii au ap\u0103rut complica\u021bii severe \u00een timpul na\u0219terii.<\/p>\n<p id=\"p-7\">\u201ePrezen\u021ba bolii a r\u0103mas \u00een mare parte constant\u0103, dar \u00een jurul genera\u021biei a 15-a am \u00eenceput s\u0103 vedem o agravare a situa\u021biei\u201d, spune Skinner. \u201e\u00cen genera\u021biile 16, 17 \u0219i 18 boala a devenit foarte pronun\u021bat\u0103, iar uneori fie mama, fie puii mureau \u00een timpul na\u0219terii\u201d.<\/p>\n<h2 id=\"chapter-3\">De la medicina reactiv\u0103 la cea preventiv\u0103<\/h2>\n<p id=\"p-8\">Rezultatele provin din experimente pe animale \u0219i nu demonstreaz\u0103 direct c\u0103 acela\u0219i lucru se \u00eent\u00e2mpl\u0103 la oameni. Totu\u0219i, cercet\u0103torii spun c\u0103 studiile pe mamifere pot oferi indicii importante despre modul \u00een care substan\u021bele chimice din mediul modern ar putea influen\u021ba s\u0103n\u0103tatea pe termen lung.<\/p>\n<p id=\"p-9\">\u00cen cazul \u0219obolanilor, 20 de genera\u021bii pot trece \u00een doar c\u00e2\u021biva ani. La oameni, acela\u0219i interval ar \u00eensemna c\u00e2teva sute de ani. Cu toate acestea, cercet\u0103torii cred c\u0103 studiile epigenetice ar putea ajuta medicina s\u0103 identifice riscurile mai devreme \u0219i s\u0103 dezvolte strategii de preven\u021bie.<\/p>\n<p id=\"p-10\">\u201eAcest studiu arat\u0103 c\u0103 problema nu va disp\u0103rea de la sine\u201d, spun oamenii de \u0219tiin\u021b\u0103. \u201eDar putem folosi epigenetica pentru a trece de la medicina reactiv\u0103 la medicina preventiv\u0103\u201d.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un studiu realizat pe \u0219obolani sugereaz\u0103 c\u0103 expunerea la un anume fungicid \u00een timpul sarcinii ar putea avea efecte asupra s\u0103n\u0103t\u0103\u021bii descenden\u021bilor timp de p\u00e2n\u0103 la 20 de genera\u021bii. Experimentul &hellip; <a href=\"https:\/\/microscopemedia.com\/?p=680883\" class=\"more-link\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":680884,"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\/680883"}],"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=680883"}],"version-history":[{"count":0,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/posts\/680883\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=\/wp\/v2\/media\/680884"}],"wp:attachment":[{"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=680883"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=680883"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/microscopemedia.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=680883"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}