{"id":47371,"date":"2025-06-17T01:12:13","date_gmt":"2025-06-17T01:12:13","guid":{"rendered":"https:\/\/ikimisli.tr\/?p=47371"},"modified":"2025-06-17T01:12:13","modified_gmt":"2025-06-17T01:12:13","slug":"su-ayilarinin-super-gucu-kanser-tedavisinde-kullanilabilir","status":"publish","type":"post","link":"https:\/\/ikimisli.tr\/index.php\/2025\/06\/17\/su-ayilarinin-super-gucu-kanser-tedavisinde-kullanilabilir\/","title":{"rendered":"Su ay\u0131lar\u0131n\u0131n &#8216;s\u00fcper g\u00fcc\u00fc&#8217; kanser tedavisinde kullan\u0131labilir"},"content":{"rendered":"<p>Harvard T\u0131p Fak\u00fcltesi ve Iowa \u00dcniversitesi\u2019nden ara\u015ft\u0131rmac\u0131lar, tardigradlar\u0131n DNA\u2019y\u0131 radyasyondan koruyan Dsup (damage suppressing \u2013 hasar bask\u0131lay\u0131c\u0131) proteininin mRNA yoluyla insan h\u00fccrelerine ta\u015f\u0131nabilece\u011fini ortaya koydu.<\/p>\n<p>Radyoterapi, kanserli h\u00fccreleri yok ederken sa\u011fl\u0131kl\u0131 h\u00fccrelere de ziyan vererek DNA k\u0131r\u0131lmalar\u0131na, h\u00fccre vefatlar\u0131na ve iltihaplanmaya neden oluyor. Bu da hastalar\u0131n \u00f6nemli yan tesirler ya\u015famas\u0131na sebep oluyor. Iowa \u00dcniversitesi\u2019nden radyasyon onkolo\u011fu James Byrne, bu yan tesirlerin a\u011f\u0131z yaralar\u0131ndan \u00f6nemli kilo kayb\u0131na ve hatta hastaneye yat\u0131\u015f gerektirecek seviyede ac\u0131ya kadar de\u011fi\u015febildi\u011fini s\u00f6yl\u00fcyor.<\/p>\n<p>Tardigradlar, \u00e7ok \u015fartlara dayan\u0131kl\u0131l\u0131klar\u0131yla biliniyor. F\u0131r\u0131n s\u0131cakl\u0131klar\u0131nda hayatta kalabiliyor, devasa bas\u0131n\u00e7lara dayanabiliyor ve insanlar\u0131 \u00f6ld\u00fcrebilecek d\u00fczeyde radyasyona maruz kalsalar bile ziyan g\u00f6rm\u00fcyorlar. Bunun temel nedeni, Dsup proteini sayesinde DNA\u2019lar\u0131n\u0131 radyasyonun tesirlerinden koruyabilmeleri.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/ikimisli.tr\/wp-content\/uploads\/2025\/06\/su-ayilarinin-super-gucu-kanser-tedavisinde-kullanilabilir-0-XjT5QGeg.jpg\"\/><\/p>\n<p>Bilim insanlar\u0131 2016 y\u0131l\u0131nda bu proteini insan h\u00fccrelerinde test ettiklerinde, X-\u0131\u015f\u0131nlar\u0131n\u0131n neden oldu\u011fu DNA hasar\u0131n\u0131 y\u00fczde 40 oran\u0131nda azaltt\u0131\u011f\u0131n\u0131 ke\u015ffetmi\u015fti. Lakin, Dsup\u2019un direkt h\u00fccre \u00e7ekirde\u011fine girmesi gerekti\u011fi i\u00e7in direkt protein enjeksiyonu pratik bir prosed\u00fcr de\u011fildi.<\/p>\n<p>\u015eimdi ise ara\u015ft\u0131rmac\u0131lar, mRNA teknolojisini kullanarak Dsup\u2019u s\u00fcreksiz olarak h\u00fccrelere aktarabileceklerini kan\u0131tlad\u0131. Bu yol, geneti\u011fi kal\u0131c\u0131 olarak de\u011fi\u015ftirme riski ta\u015f\u0131mad\u0131\u011f\u0131 i\u00e7in DNA d\u00fczenleme s\u00fcre\u00e7lerine k\u0131yasla \u00e7ok daha inan\u00e7l\u0131 kabul ediliyor.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/ikimisli.tr\/wp-content\/uploads\/2025\/06\/su-ayilarinin-super-gucu-kanser-tedavisinde-kullanilabilir-1-3SkxkzcB.webp\"\/><\/p>\n<p>Ara\u015ft\u0131rmac\u0131lar, Dsup\u2019un mRNA versiyonunu, \u00f6zel polimer-lipit nanopar\u00e7ac\u0131klar\u0131 i\u00e7ine yerle\u015ftirerek laboratuvar ortam\u0131nda h\u00fccrelere enjekte etti. Bu sayede h\u00fccreler, protein \u00fcretimini tamamlad\u0131ktan sonra mRNA par\u00e7alanarak yok oldu. En de\u011ferlisi, Dsup proteininin sadece sa\u011fl\u0131kl\u0131 h\u00fccreleri koruyup, kanserli h\u00fccrelere avantaj sa\u011flamamas\u0131n\u0131 garantileyen bir sistem olu\u015fturuldu.<\/p>\n<p>Deneyler fareler \u00fczerinde de ger\u00e7ekle\u015ftirildi. Farelere Dsup mRNA\u2019s\u0131 enjekte edildikten alt\u0131 saat sonra radyoterapi uyguland\u0131. Sonu\u00e7lar \u00e7arp\u0131c\u0131yd\u0131:<\/p>\n<ul>\n<li>Ba\u011f\u0131rsak b\u00f6lgesine radyasyon verilen farelerde DNA k\u0131r\u0131klar\u0131 %50 oran\u0131nda azald\u0131.<\/li>\n<li>A\u011f\u0131z b\u00f6lgesine radyasyon uygulanan farelerde bu oran %33 olarak \u00f6l\u00e7\u00fcld\u00fc.<\/li>\n<li>Dsup muhafazas\u0131, t\u00fcm\u00f6r h\u00fccrelerinin b\u00fcy\u00fcmesini etkilemedi, yani sadece sa\u011fl\u0131kl\u0131 h\u00fccreleri korudu.<\/li>\n<\/ul>\n<p>Ara\u015ft\u0131rmac\u0131lar, bu teknolojinin sadece radyoterapi s\u0131ras\u0131nda sa\u011fl\u0131kl\u0131 h\u00fccreleri korumakla kalmay\u0131p, DNA\u2019y\u0131 hasara kar\u015f\u0131 daha sa\u011flam hale getirmek i\u00e7in kemoterapi ve genetik hastal\u0131klar \u00fczere \u00f6b\u00fcr t\u0131bbi alanlarda da kullan\u0131labilece\u011fini belirtiyor.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/ikimisli.tr\/wp-content\/uploads\/2025\/06\/su-ayilarinin-super-gucu-kanser-tedavisinde-kullanilabilir-2-9DTpbP2Z.webp\"\/><\/p>\n<p>Bunun yan\u0131 s\u0131ra, uzay radyasyonuna maruz kalan astronotlar yahut n\u00fckleer radyasyon riski ta\u015f\u0131yan durumlar i\u00e7in de esirgeyici bir sistem olarak kullan\u0131labilece\u011fi d\u00fc\u015f\u00fcn\u00fcl\u00fcyor.<\/p>\n<p>Bu heyecan verici \u00e7al\u0131\u015fma Nature Biomedical Engineering mecmuas\u0131nda yay\u0131mland\u0131 ve gelecekte daha b\u00fcy\u00fck \u00f6l\u00e7ekli klinik ara\u015ft\u0131rmalar\u0131n \u00f6n\u00fcn\u00fc a\u00e7mas\u0131 bekleniyor.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Bilim insanlar\u0131, radyasyona dayan\u0131kl\u0131l\u0131\u011f\u0131yla bilinen mikroskobik su ay\u0131lar\u0131ndan (tardigradlar) elde edilen bir proteinin kanser tedavilerinde kullan\u0131labilece\u011fini ke\u015ffetti.<\/p>\n","protected":false},"author":1,"featured_media":47372,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[31],"tags":[3334,3335,6804,3625,5020],"class_list":["post-47371","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-teknoloji","tag-dna","tag-hucre","tag-mrna","tag-protein","tag-radyasyon"],"_links":{"self":[{"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/posts\/47371","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/comments?post=47371"}],"version-history":[{"count":1,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/posts\/47371\/revisions"}],"predecessor-version":[{"id":47376,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/posts\/47371\/revisions\/47376"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/media\/47372"}],"wp:attachment":[{"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/media?parent=47371"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/categories?post=47371"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ikimisli.tr\/index.php\/wp-json\/wp\/v2\/tags?post=47371"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}