{"id":13416,"date":"2026-05-31T22:49:38","date_gmt":"2026-05-31T19:49:38","guid":{"rendered":"https:\/\/neoberidhaber.kahveciyazilim.com\/?p=13416"},"modified":"2026-05-31T22:49:39","modified_gmt":"2026-05-31T19:49:39","slug":"insanligin-kadim-mirasinda-sinsi-tehlike-neandertal-genleri-modern-viruslere-karsi-bizi-savunmasiz-birakiyor","status":"publish","type":"post","link":"https:\/\/neoberidhaber.kahveciyazilim.com\/index.php\/2026\/05\/31\/insanligin-kadim-mirasinda-sinsi-tehlike-neandertal-genleri-modern-viruslere-karsi-bizi-savunmasiz-birakiyor\/","title":{"rendered":"\u0130nsanl\u0131\u011f\u0131n kadim miras\u0131nda sinsi tehlike: Neandertal genleri modern vir\u00fcslere kar\u015f\u0131 bizi savunmas\u0131z b\u0131rak\u0131yor!"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u0130nsanl\u0131\u011f\u0131n on binlerce y\u0131l \u00f6nce ger\u00e7ekle\u015ftirdi\u011fi t\u00fcrler aras\u0131 yak\u0131nla\u015fman\u0131n faturas\u0131, modern t\u0131p \u00e7a\u011f\u0131nda \u00f6n\u00fcm\u00fcze \u00e7\u0131kmaya devam ediyor. Antropoloji ve genetik biliminin sayg\u0131n yay\u0131n organlar\u0131ndan&nbsp;<strong>Genome Biology and Evolution<\/strong>&nbsp;dergisinde yay\u0131mlanan kapsaml\u0131 bir ara\u015ft\u0131rma, modern insan\u0131n ba\u011f\u0131\u015f\u0131kl\u0131k haritas\u0131na dair \u00e7arp\u0131c\u0131 bir ger\u00e7e\u011fi g\u00f6zler \u00f6n\u00fcne serdi. Bilim insanlar\u0131, nesli t\u00fckenen kadim akrabam\u0131z Neandertallerden miras kalan genetik kodlar\u0131n, g\u00fcn\u00fcm\u00fczdeki baz\u0131 \u00f6l\u00fcmc\u00fcl ve kronik vir\u00fcslere kar\u015f\u0131 savunma mekanizmam\u0131z\u0131 fel\u00e7 etti\u011fini kan\u0131tlad\u0131.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">UK B\u0130OBANK VER\u0130LER\u0130 DE\u015e\u0130FRE ED\u0130LD\u0130: G\u0130ZL\u0130 V\u0130R\u00dcS Y\u00dcK\u00dc \u00c7OK DAHA Y\u00dcKSEK<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Neandertal soyunun modern t\u0131bba etkilerini incelemek isteyen uluslararas\u0131 ara\u015ft\u0131rmac\u0131lar, Birle\u015fik Krall\u0131k&#8217;taki devasa sa\u011fl\u0131k veri taban\u0131 UK Biobank b\u00fcnyesinde kay\u0131tl\u0131 y\u00fcz binlerce ki\u015finin genetik profilini mercek alt\u0131na ald\u0131. Yap\u0131lan boylamsal analizlerde, arkaik (eski) gen varyantlar\u0131 ile v\u00fccuttaki DNA vir\u00fcslerinin yo\u011funlu\u011fu aras\u0131nda do\u011frudan bir ba\u011f saptand\u0131.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u00d6zellikle kanser ve kronik yorgunluk sendromu gibi hastal\u0131klarla ili\u015fkilendirilen Epstein-Barr vir\u00fcs\u00fc (EBV), \u0130nsan Herpesvir\u00fcs\u00fc 7 (u\u00e7uk vir\u00fcs\u00fc ailesi) ve tork teno vir\u00fcsleri \u00fczerinde yap\u0131lan incelemeler, b\u00fcnyesinde yo\u011fun Neandertal DNA&#8217;s\u0131 bar\u0131nd\u0131ran ki\u015filerin bu patojenleri v\u00fccutlar\u0131ndan temizlemekte \u00e7ok daha ba\u015far\u0131s\u0131z oldu\u011funu ortaya koydu. S\u00f6z konusu be\u015f sinsi vir\u00fcs\u00fcn, ba\u011f\u0131\u015f\u0131kl\u0131k sistemi g\u00fc\u00e7l\u00fc olan bireylerde bile Neandertal alellerinin varl\u0131\u011f\u0131 sebebiyle \u00e7ok daha agresif \u015fekilde \u00e7o\u011fald\u0131\u011f\u0131 belirlendi.<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/media.cumhuriyet.com.tr\/Archive\/28852d04-5188-49d7-9249-8f82a2e5fa96.jpg\" alt=\"Image\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">BA\u011eI\u015eIKLIK S\u0130STEM\u0130N\u0130N ANAHTARI OLAN B\u00d6LGEDE 18 R\u0130SKL\u0130 ALAN KE\u015eFED\u0130LD\u0130<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Genom haritas\u0131n\u0131 derinlemesine inceleyen uzmanlar, arkaik gen varyantlar\u0131n\u0131n \u00f6zellikle viral y\u00fck\u00fc art\u0131rd\u0131\u011f\u0131 18 kritik b\u00f6lge saptad\u0131. Bu b\u00f6lgelerin \u00e7ok b\u00fcy\u00fck bir k\u0131sm\u0131n\u0131n, ba\u011f\u0131\u015f\u0131kl\u0131k sisteminin kanserli veya enfekte olmu\u015f h\u00fccreleri tan\u0131y\u0131p yok etmesini sa\u011flayan Maj\u00f6r Histokompatibilite Kompleksi (MHC) ad\u0131 verilen gen grubunun i\u00e7inde yer almas\u0131 t\u0131p d\u00fcnyas\u0131nda alarm verilmesine neden oldu.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Evrimsel genomik uzman\u0131 ve \u00e7al\u0131\u015fman\u0131n ortak yazar\u0131 Do\u00e7. Dr. Michael Dannemann, elde edilen verilerin sars\u0131c\u0131 bir tezat bar\u0131nd\u0131rd\u0131\u011f\u0131n\u0131 vurgulad\u0131. Dannemann, &#8220;Neandertal genlerinin daha \u00f6nce grip gibi akut enfeksiyonlara yol a\u00e7an RNA vir\u00fcslerine kar\u015f\u0131 bizi korudu\u011fu biliniyordu. Ancak yeni sonu\u00e7lar, bu genlerin uzun y\u0131llar v\u00fccutta pusuda bekleyen kronik DNA vir\u00fcslerine kar\u015f\u0131 tamamen etkisiz, hatta zararl\u0131 oldu\u011funu g\u00f6steriyor&#8221; a\u00e7\u0131klamas\u0131nda bulundu.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">PALEOL\u0130T\u0130K D\u00d6NEM\u0130N S\u0130LAHLARI MODERN \u00c7A\u011eIN SAVA\u015eINDA YETERS\u0130Z KALIYOR<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Bilim insanlar\u0131, bu genetik zafiyetin evrimsel nedenlerini de de\u015fifre etmeyi ba\u015fard\u0131. On binlerce y\u0131l \u00f6nce Paleolitik d\u00f6nem \u015fartlar\u0131nda ya\u015fayan Neandertallerin ba\u011f\u0131\u015f\u0131kl\u0131k sistemleri, o \u00e7a\u011f\u0131n do\u011fas\u0131nda var olan ani ve h\u0131zl\u0131 \u00f6ld\u00fcren (akut) enfeksiyonlarla sava\u015fmak \u00fczere optimize edilmi\u015fti. O d\u00f6nem hayatta kalmay\u0131 sa\u011flayan bu genetik koruma kalkan\u0131, aradan ge\u00e7en milenyumlar boyunca evrimle\u015fen ve insan v\u00fccudunda sessizce y\u0131llarca saklanabilen modern DNA vir\u00fcslerine kar\u015f\u0131 bug\u00fcn tamamen i\u015flevsiz kalm\u0131\u015f durumda.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Kaynak ve G\u00f6rseller: <a href=\"https:\/\/www.cumhuriyet.com.tr\/yasam\/insanligin-kadim-mirasinda-sinsi-tehlike-neandertal-genleri-modern-viruslere-karsi-bizi-savunmasiz-birakiyor-2508150\">Cumhuriyet Gazetesi<\/a><\/strong><\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>G\u00fcncellenme Tarihi:<\/strong> May\u0131s 31, 2026 22:49<\/p>\n","protected":false},"excerpt":{"rendered":"Evrimsel biyoloji d\u00fcnyas\u0131nda ta\u015flar\u0131 yerinden oynatacak yeni bir ke\u015ffe imza at\u0131ld\u0131. Bilim insanlar\u0131, Afrika d\u0131\u015f\u0131ndaki modern insanlar\u0131n ta\u015f\u0131d\u0131\u011f\u0131 y\u00fczde 4&#8217;e varan Neandertal DNA&#8217;s\u0131n\u0131n, ba\u011f\u0131\u015f\u0131kl\u0131k sistemini zay\u0131flatarak kronik DNA vir\u00fcslerine kar\u015f\u0131 v\u00fccudu savunmas\u0131z b\u0131rakt\u0131\u011f\u0131n\u0131 saptad\u0131.","protected":false},"author":1,"featured_media":13417,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"csco_display_header_overlay":false,"csco_singular_sidebar":"","csco_page_header_type":"","csco_page_load_nextpost":"","csco_post_video_location":[],"csco_post_video_location_hash":"","csco_post_video_url":"","csco_post_video_bg_start_time":0,"csco_post_video_bg_end_time":0,"footnotes":""},"categories":[1,16],"tags":[],"class_list":["post-13416","post","type-post","status-publish","format-standard","has-post-thumbnail","category-genel","category-yasam","cs-entry","cs-video-wrap"],"_links":{"self":[{"href":"https:\/\/neoberidhaber.kahveciyazilim.com\/index.php\/wp-json\/wp\/v2\/posts\/13416","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/neoberidhaber.kahveciyazilim.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/neoberidhaber.kahveciyazilim.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/neoberidhaber.kahveciyazilim.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/neoberidhaber.kahveciyazilim.com\/index.php\/wp-json\/wp\/v2\/comments?post=13416"}],"version-history":[{"count":1,"href":"https:\/\/neoberidhaber.kahveciyazilim.com\/index.php\/wp-json\/wp\/v2\/posts\/13416\/revisions"}],"predecessor-version":[{"id":13418,"href":"https:\/\/neoberidhaber.kahveciyazilim.com\/index.php\/wp-json\/wp\/v2\/posts\/13416\/revisions\/13418"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/neoberidhaber.kahveciyazilim.com\/index.php\/wp-json\/wp\/v2\/media\/13417"}],"wp:attachment":[{"href":"https:\/\/neoberidhaber.kahveciyazilim.com\/index.php\/wp-json\/wp\/v2\/media?parent=13416"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/neoberidhaber.kahveciyazilim.com\/index.php\/wp-json\/wp\/v2\/categories?post=13416"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/neoberidhaber.kahveciyazilim.com\/index.php\/wp-json\/wp\/v2\/tags?post=13416"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}