{"id":37358,"date":"2026-03-11T16:46:23","date_gmt":"2026-03-11T13:46:23","guid":{"rendered":"https:\/\/kibrisayna.com\/index.php\/2026\/03\/11\/bilim-kurgu-gercege-donuyor-donmus-beyin-dokusu-yeniden-canlandirildi\/"},"modified":"2026-03-11T16:46:23","modified_gmt":"2026-03-11T13:46:23","slug":"bilim-kurgu-gercege-donuyor-donmus-beyin-dokusu-yeniden-canlandirildi","status":"publish","type":"post","link":"https:\/\/kibrisayna.com\/index.php\/2026\/03\/11\/bilim-kurgu-gercege-donuyor-donmus-beyin-dokusu-yeniden-canlandirildi\/","title":{"rendered":"Bilim kurgu ger\u00e7e\u011fe d\u00f6n\u00fcyor. Donmu\u015f beyin dokusu yeniden canland\u0131r\u0131ld\u0131"},"content":{"rendered":"<p> <br \/>\n<\/p>\n<div>\n<p><a href=\"https:\/\/www.ntv.com.tr\/haberleri\/bilim\" class=\"text-light-blue hover:underline\" target=\"_blank\" rel=\"noopener noreferrer\">Bilim<\/a> insanlar\u0131, derin dondurma sonras\u0131 <a href=\"https:\/\/www.ntv.com.tr\/haberleri\/beyin\" class=\"text-light-blue hover:underline\" target=\"_blank\" rel=\"noopener noreferrer\">beyin<\/a> dokusunun yeniden \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131na y\u00f6nelik \u00f6nemli bir ba\u015far\u0131ya imza att\u0131. <a href=\"https:\/\/www.ntv.com.tr\/haberleri\/almanya\" class=\"text-light-blue hover:underline\" target=\"_blank\" rel=\"noopener noreferrer\">Almanya<\/a>\u2019da y\u00fcr\u00fct\u00fclen bir ara\u015ft\u0131rmada, dondurulan fare beyin dokular\u0131n\u0131n \u00e7\u00f6z\u00fclmesinin ard\u0131ndan sinirsel aktivitenin k\u0131smen yeniden ba\u015flad\u0131\u011f\u0131 g\u00f6zlemlendi.<\/p>\n<p>\u00a0<\/p>\n<p> <a href=\"https:\/\/www.nature.com\/articles\/d41586-026-00756-w\" target=\"_blank\" rel=\"noopener noreferrer nofollow\">Nature <svg viewbox=\"0 0 12 12\" fill=\"none\" class=\"inline-block mx-1\" style=\"width:0.75em;height:0.75em;vertical-align:baseline\"><path d=\"M3.5 1.5H1.5a1 1 0 00-1 1v8a1 1 0 001 1h8a1 1 0 001-1V8.5M7 .5H11.5V5M4.5 7.5L11 1\" stroke=\"currentColor\" stroke-linecap=\"round\" stroke-linejoin=\"round\"\/><\/svg><\/a> dergisine g\u00f6re ara\u015ft\u0131rmac\u0131lar, bu y\u00f6ntemin gelecekte beyni ciddi yaralanmalar veya hastal\u0131klar s\u0131ras\u0131nda koruma, organ bankalar\u0131 olu\u015fturma ve hatta memelilerde t\u00fcm v\u00fccudun dondurulmas\u0131 gibi uygulamalara kap\u0131 aralayabilece\u011fini belirtiyor.<\/p>\n<p>\u00a0<\/p>\n<p><strong>B\u0130L\u0130M KURGU GER\u00c7E\u011eE YAKLA\u015eIYOR<\/strong><\/p>\n<p>\u00a0<\/p>\n<p>Bilim kurguda s\u0131k\u00e7a g\u00f6r\u00fclen bir sahne, insanlar\u0131n uzun s\u00fcreli yolculuklar i\u00e7in dondurulup y\u0131llar sonra yeniden hayata d\u00f6nd\u00fcr\u00fclmesi. Ancak bilim d\u00fcnyas\u0131nda bug\u00fcne kadar dondurulmu\u015f beyin dokusunun tam i\u015flevlerini yeniden kazanmas\u0131 m\u00fcmk\u00fcn olmam\u0131\u015ft\u0131.<\/p>\n<p>\u00a0<\/p>\n<p>Almanya\u2019daki Erlangen\u2013N\u00fcrnberg \u00dcniversitesi\u2019nden n\u00f6rolog Alexander German, \u00e7al\u0131\u015fman\u0131n bu alanda \u00f6nemli bir ad\u0131m oldu\u011funu s\u00f6yledi.<\/p>\n<p>\u00a0<\/p>\n<p>German, \u201cBeyin fonksiyonu fiziksel yap\u0131s\u0131ndan do\u011fuyorsa, tamamen durduktan sonra onu yeniden nas\u0131l ba\u015flatabiliriz?\u201d sorusunun ara\u015ft\u0131rman\u0131n merkezinde yer ald\u0131\u011f\u0131n\u0131 belirtti.<\/p>\n<p>\u00a0<\/p>\n<p><strong>ASIL SORUN BUZ KR\u0130STALLER\u0130<\/strong><\/p>\n<p>\u00a0<\/p>\n<p>Beynin dondurulduktan sonra i\u015flevini geri kazanamamas\u0131n\u0131n en \u00f6nemli nedeni buz kristallerinin olu\u015fturdu\u011fu hasar.\u00a0<\/p>\n<p>\u00a0<\/p>\n<p>Donma s\u0131ras\u0131nda olu\u015fan kristaller h\u00fccrelerin hassas yap\u0131s\u0131n\u0131 bozabiliyor, sinir ba\u011flant\u0131lar\u0131n\u0131 zedeleyebiliyor ve h\u00fccresel metabolizmay\u0131 durdurabiliyor.<\/p>\n<p>\u00a0<\/p>\n<p><strong>CAM BENZER\u0130 KORUMA Y\u00d6NTEM\u0130<\/strong><\/p>\n<p>\u00a0<\/p>\n<p>Bilim insanlar\u0131 bu sorunu a\u015fmak i\u00e7in \u201cvitrifikasyon\u201d ad\u0131 verilen bir y\u00f6ntem kulland\u0131. Bu teknik, s\u0131v\u0131lar\u0131n \u00e7ok h\u0131zl\u0131 so\u011futularak buz kristalleri olu\u015fmadan cam benzeri bir yap\u0131ya d\u00f6n\u00fc\u015fmesini sa\u011fl\u0131yor.<\/p>\n<p>\u00a0<\/p>\n<p>Ara\u015ft\u0131rmada fare beyinlerinden al\u0131nan 350 mikrometre kal\u0131nl\u0131\u011f\u0131ndaki doku dilimleri kullan\u0131ld\u0131. Bu dokular\u0131n i\u00e7inde \u00f6\u011frenme ve haf\u0131za i\u00e7in kritik bir b\u00f6lge olan hipokampus da bulunuyordu.<\/p>\n<p>\u00a0<\/p>\n<p>Doku \u00f6rnekleri \u00f6nce koruyucu kimyasallar i\u00e7eren bir sol\u00fcsyonla i\u015fleme tabi tutuldu, ard\u0131ndan -196 derece s\u0131v\u0131 nitrojenle h\u0131zla donduruldu.<\/p>\n<p>\u00a0<\/p>\n<p>\u00d6rnekler daha sonra -150 derecede 10 dakika ile 7 g\u00fcn aras\u0131nda de\u011fi\u015fen s\u00fcrelerle sakland\u0131.<\/p>\n<p>\u00a0<\/p>\n<p><strong>\u00c7\u00d6Z\u00dcLME SONRASI S\u0130N\u0130R AKT\u0130V\u0130TES\u0130 G\u00d6R\u00dcLD\u00dc<\/strong><\/p>\n<p>\u00a0<\/p>\n<p>Dondurulan beyin dokular\u0131 s\u0131cak \u00e7\u00f6zeltilerle \u00e7\u00f6z\u00fcld\u00fckten sonra incelendi. Mikroskop analizleri sinir h\u00fccrelerinin zarlar\u0131n\u0131n sa\u011flam kald\u0131\u011f\u0131n\u0131 ve ciddi bir hasar olu\u015fmad\u0131\u011f\u0131n\u0131 g\u00f6sterdi.<\/p>\n<p>\u00a0<\/p>\n<p>Elektriksel \u00f6l\u00e7\u00fcmlerde ise n\u00f6ronlar\u0131n uyar\u0131ya verdi\u011fi tepkilerin b\u00fcy\u00fck \u00f6l\u00e7\u00fcde normale yak\u0131n oldu\u011fu g\u00f6r\u00fcld\u00fc.<\/p>\n<p>\u00a0<\/p>\n<p>Ayr\u0131ca \u00f6\u011frenme ve haf\u0131zan\u0131n temel mekanizmalar\u0131ndan biri olan \u201cuzun s\u00fcreli g\u00fc\u00e7lenme\u201d sinyalleri de tespit edildi.<\/p>\n<p>\u00a0<\/p>\n<p><strong>GELECEK \u0130\u00c7\u0130N B\u00dcY\u00dcK POTANS\u0130YEL<\/strong><\/p>\n<p>\u00a0<\/p>\n<p>Ara\u015ft\u0131rmac\u0131lar, deneylerin yaln\u0131zca birka\u00e7 saat boyunca g\u00f6zlem yap\u0131labilen beyin dilimleri \u00fczerinde ger\u00e7ekle\u015ftirildi\u011fini ve y\u00f6ntemin hen\u00fcz tam bir beyin ya da canl\u0131 organizma \u00fczerinde uygulanmas\u0131n\u0131n m\u00fcmk\u00fcn olmad\u0131\u011f\u0131n\u0131 vurguluyor.<\/p>\n<p>\u00a0<\/p>\n<p>Buna ra\u011fmen \u00e7al\u0131\u015fma, kriyojenik teknolojilerin gelece\u011fi a\u00e7\u0131s\u0131ndan \u00f6nemli bir ad\u0131m olarak g\u00f6r\u00fcl\u00fcyor.<\/p>\n<p>\u00a0<\/p>\n<p>Uzmanlara g\u00f6re bu t\u00fcr y\u00f6ntemler ileride a\u011f\u0131r beyin travmalar\u0131nda dokuyu koruma, organ nakli i\u00e7in uzun s\u00fcreli saklama ve b\u00fcy\u00fck organlar\u0131n depolanmas\u0131 gibi alanlarda kullan\u0131labilir.<\/p>\n<p>\u00a0<\/p>\n<p>Ancak insanlarda uzun s\u00fcreli \u201ckriyojenik uyku\u201d veya t\u00fcm v\u00fccudun dondurulmas\u0131 gibi senaryolar\u0131n ger\u00e7ekle\u015fmesi i\u00e7in hen\u00fcz \u00e7ok uzun bir yol oldu\u011fu belirtiliyor.<\/p>\n<\/div>\n<p><br \/>\n<br \/><a href=\"https:\/\/www.ntv.com.tr\/teknoloji\/bilim-kurgu-gercege-donuyor-donmus-beyin-dokusu-yeniden-canlandirildi-1715535\"><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bilim insanlar\u0131, derin dondurma sonras\u0131 beyin dokusunun yeniden \u00e7al\u0131\u015ft\u0131r\u0131lmas\u0131na y\u00f6nelik \u00f6nemli bir ba\u015far\u0131ya imza att\u0131. Almanya\u2019da y\u00fcr\u00fct\u00fclen bir ara\u015ft\u0131rmada, dondurulan fare beyin dokular\u0131n\u0131n \u00e7\u00f6z\u00fclmesinin ard\u0131ndan sinirsel aktivitenin k\u0131smen yeniden ba\u015flad\u0131\u011f\u0131 g\u00f6zlemlendi. \u00a0 Nature dergisine g\u00f6re ara\u015ft\u0131rmac\u0131lar, bu y\u00f6ntemin gelecekte beyni ciddi yaralanmalar veya hastal\u0131klar s\u0131ras\u0131nda koruma, organ bankalar\u0131 olu\u015fturma ve hatta memelilerde t\u00fcm v\u00fccudun dondurulmas\u0131 [&hellip;]<\/p>\n","protected":false},"author":908,"featured_media":37359,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[12],"tags":[],"class_list":["post-37358","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/kibrisayna.com\/wp-content\/uploads\/2026\/03\/EkrangC3B6rC3BCntC3BCsC3BC2026-03-11155352-1692482.png","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/posts\/37358","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/users\/908"}],"replies":[{"embeddable":true,"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/comments?post=37358"}],"version-history":[{"count":0,"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/posts\/37358\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/media\/37359"}],"wp:attachment":[{"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/media?parent=37358"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/categories?post=37358"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/kibrisayna.com\/index.php\/wp-json\/wp\/v2\/tags?post=37358"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}