{"id":221359,"date":"2023-11-10T18:09:30","date_gmt":"2023-11-10T18:09:30","guid":{"rendered":"https:\/\/bm.dev.synology.me\/?p=221359"},"modified":"2023-11-10T18:09:30","modified_gmt":"2023-11-10T18:09:30","slug":"o-maimuta-demna-de-filmele-sf-a-fost-creata-in-premiera-mondiala-de-cercetatori-chinezi","status":"publish","type":"post","link":"https:\/\/bm.dev.synology.me\/?p=221359","title":{"rendered":"O maimu\u0163\u0103 demn\u0103 de filmele SF a fost creat\u0103 \u00een premier\u0103 mondial\u0103 de cercet\u0103tori chinezi"},"content":{"rendered":"<p>\n<span style=\"font-size: 12px;\">Cercet\u0103torii chinezi au creat \u00een premier\u0103 mondial\u0103 prima maimu\u0163\u0103 himeric\u0103 cu celule stem \u00eembun\u0103t\u0103\u0163ite, prin injectarea de celule provenite de la doi embrioni ai aceleia\u015fi specii, rezult\u00e2nd \u00een v\u00e2rfuri ale degetelor \u015fi ochi care lumineaz\u0103.<\/span><\/p>\n<p>\nNa\u015fterea acestei maimu\u0163e himere reprezint\u0103 un avans revolu\u0163ionar \u00een \u00een\u0163elegerea modului \u00een care celulele stem func\u0163ioneaz\u0103 \u00een etapele timpurii ale dezvolt\u0103rii embrionare \u015fi deschide calea pentru crearea unor specii de animale cu caracteristici similare celor umane, av\u00e2nd poten\u0163ialul de a \u00eembun\u0103t\u0103\u0163i testarea medicamentelor \u015fi a altor cercet\u0103ri biomedicale.<br \/>\nCercet\u0103tori chinezi au creat \u00een premier\u0103 mondial\u0103 o maimu\u0163\u0103 himeric\u0103 cu v\u00e2rfurile degetelor incandescente \u015fi ochi verzi fluorescen\u0163i printr-un avans revolu\u0163ionar \u00een domeniul celulelor stem. Maimu\u0163a din specia macac, un mascul cu coad\u0103 lung\u0103 este primul primat creat cu celule provenite din doi embrioni ale aceleia\u015fi specii. Studiul a fost publicat \u00een revista \u015ftiin\u0163ific\u0103 Cell, conform The Telegraph.<br \/>\nEmbrionul original al animalului a fost injectat cu celule stem \u00eembun\u0103t\u0103\u0163ite de la un donator, care lumineaz\u0103 datorit\u0103 marcajelor fluorescente ata\u015fate de oamenii de \u015ftiin\u0163\u0103. Astfel, na\u015fterea acestei maimu\u0163e himerice clarific\u0103 modul \u00een care func\u0163ioneaz\u0103 celulele stem \u00een stadiile timpurii ale dezvolt\u0103rii embrionare \u015fi contribuie la \u00een\u0163elegerea proceselor de creare a vie\u0163ii. Inova\u0163ia ar putea duce, de asemenea, la crearea unor animale cu tr\u0103s\u0103turi specifice, asem\u0103n\u0103toare celor umane, favoriz\u00e2nd testarea unor tipuri de medicamente \u015fi tratamente medicale.<br \/>\nCercet\u0103torii de la Academia Chinez\u0103 de \u015etiin\u0163e au folosit celule stem dintr-un embrion de o s\u0103pt\u0103m\u00e2n\u0103 al unei maimu\u0163e din specia macac, care au fost \u00eembun\u0103t\u0103\u0163ite \u00een laborator pentru a putea deveni orice tip de celul\u0103 \u00een corp. Acest tip de celule, numite celule stem embrionare pluripotente au fost apoi injectate \u00eentr-un embrion de cinci zile ale unei alte maimu\u0163e, rezult\u00e2nd \u015fase na\u015fteri din 12 sarcini.<br \/>\nUn mascul n\u0103scut \u00een cadrul acestui experiment de fuziune celular\u0103 a fost identificat drept o himer\u0103 autentic\u0103, cu aproximativ dou\u0103 treimi din corp alc\u0103tuit din celulele stem donate, verzi fluorescente. Imaginile cu maimu\u0163a arat\u0103 ochi care lumineaz\u0103 \u015fi v\u00e2rfuri ale degetelor galbene-verzui, dezvoltate din celulele stem fluorescente. Marcajele verzi au fost observate \u00een diverse zone ale corpului, precum creier, rinichi, ficat \u015fi gonade, indic\u00e2nd posibilitatea ca primatele himerice s\u0103 transmit\u0103 celulele donate decenden\u0163ilor lor.<br \/>\nCercetarea are implica\u0163ii \u00een \u00een\u0163elegerea pluripoten\u0163ei simple \u00een celulele primatelor \u015fi ofer\u0103 perspective practice \u00een domeniul ingineriei genetice \u015fi conserv\u0103rii speciilor. Poten\u0163ialul acestui studiu include generarea unor modele precise de maimu\u0163e pentru studierea bolilor neurologice \u015fi alte cercet\u0103ri biomedicale. Oamenii de \u015ftiin\u0163\u0103 urm\u0103resc s\u0103 m\u0103reasc\u0103 eficien\u0163a acestei metode pentru generarea de maimu\u0163e himerice prin optimizarea condi\u0163iilor de cultur\u0103 pentru celulele stem \u015fi pentru blastocistele \u00een care aceste celule sunt inserate.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cercet\u0103torii chinezi au creat \u00een premier\u0103 mondial\u0103 prima maimu\u0163\u0103 himeric\u0103 cu celule stem \u00eembun\u0103t\u0103\u0163ite, prin injectarea de celule provenite de la doi embrioni ai aceleia\u015fi specii, rezult\u00e2nd \u00een v\u00e2rfuri ale degetelor \u015fi ochi care lumineaz\u0103. Na\u015fterea acestei maimu\u0163e himere reprezint\u0103 un avans revolu\u0163ionar \u00een \u00een\u0163elegerea modului \u00een care celulele stem func\u0163ioneaz\u0103 \u00een etapele timpurii ale [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[510],"tags":[16273,104,30806],"class_list":["post-221359","post","type-post","status-publish","format-standard","hentry","category-actualitate","tag-cercetatori","tag-chinezi","tag-creare"],"_links":{"self":[{"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/posts\/221359","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=221359"}],"version-history":[{"count":0,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=\/wp\/v2\/posts\/221359\/revisions"}],"wp:attachment":[{"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=221359"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=221359"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/bm.dev.synology.me\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=221359"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}