{"id":55297,"date":"2026-10-13T13:58:21","date_gmt":"2026-10-13T10:58:21","guid":{"rendered":"https:\/\/www.merceknet.com\/tr\/?p=55297"},"modified":"2026-10-13T13:58:21","modified_gmt":"2026-10-13T10:58:21","slug":"beynin-sirlarina-isik-tutan-yontem-optogenetik","status":"publish","type":"post","link":"https:\/\/www.merceknet.com\/tr\/2026\/10\/13\/beynin-sirlarina-isik-tutan-yontem-optogenetik\/","title":{"rendered":"Beynin s\u0131rlar\u0131na \u0131\u015f\u0131k tutan y\u00f6ntem: Optogenetik"},"content":{"rendered":"<p>Sinir h\u00fccrelerinin belirli gruplar\u0131n\u0131 \u0131\u015f\u0131k yard\u0131m\u0131yla milisaniyeler i\u00e7inde \u00e7al\u0131\u015ft\u0131rmay\u0131 veya susturmay\u0131 m\u00fcmk\u00fcn k\u0131lan optogenetik, n\u00f6robilim ara\u015ft\u0131rmalar\u0131n\u0131n en dikkat \u00e7ekici y\u00f6ntemlerinden biri olarak \u00f6ne \u00e7\u0131k\u0131yor.<\/p>\n<p>2026 Nobel Fizyoloji veya T\u0131p \u00d6d\u00fcl\u00fc\u2019n\u00fcn Karl Deisseroth, Peter Hegemann ve Georg Nagel\u2019e optogenetik alan\u0131ndaki \u00e7al\u0131\u015fmalar\u0131 nedeniyle verilmesiyle y\u00f6ntem yeniden g\u00fcndeme geldi.<\/p>\n<h3>Bir yosundan beyin ara\u015ft\u0131rmalar\u0131na uzanan yol<\/h3>\n<p>Optogeneti\u011fin temeli, \u0131\u015f\u0131\u011fa do\u011fru hareket eden tek h\u00fccreli ye\u015fil alglerde bulunan \u0131\u015f\u0131\u011fa duyarl\u0131 proteinlerin ke\u015ffine dayan\u0131yor.<\/p>\n<p>Molek\u00fcler biyoloji ve genetik alan\u0131nda \u00e7al\u0131\u015fan Prof. Dr. Muhsin Konuk, bu ke\u015ffin yakla\u015f\u0131k 20 y\u0131ll\u0131k s\u00fcre\u00e7te beynin belirli h\u00fccrelerini \u0131\u015f\u0131kla kontrol edebilen bir teknolojiye d\u00f6n\u00fc\u015ft\u00fc\u011f\u00fcn\u00fc belirtti.<\/p>\n<p>Konuk, optogeneti\u011fi, \u201cGenetik olarak se\u00e7ilmi\u015f h\u00fccrelerin faaliyetini \u0131\u015f\u0131k kullanarak kontrol etme y\u00f6ntemi\u201d olarak tan\u0131mlad\u0131.<\/p>\n<h3>Belirli sinir h\u00fccreleri hedef al\u0131nabiliyor<\/h3>\n<p>Y\u00f6ntemin en \u00f6nemli \u00f6zelliklerinden biri, beynin tamam\u0131 yerine yaln\u0131zca belirli h\u00fccre gruplar\u0131na m\u00fcdahale edebilmesi.<\/p>\n<p>\u00d6rne\u011fin sadece dopamin \u00fcreten n\u00f6ronlar \u0131\u015f\u0131\u011fa duyarl\u0131 hale getirilebiliyor. Daha sonra \u00e7ok ince optik fiberler arac\u0131l\u0131\u011f\u0131yla bu h\u00fccreler \u0131\u015f\u0131kla aktive edilebiliyor veya susturulabiliyor.<\/p>\n<p>Bu sayede ara\u015ft\u0131rmac\u0131lar, belirli sinir devrelerinin davran\u0131\u015flar \u00fczerindeki etkisini do\u011frudan inceleyebiliyor.<\/p>\n<h3>Korkudan ba\u011f\u0131ml\u0131l\u0131\u011fa bir\u00e7ok s\u00fcre\u00e7 ara\u015ft\u0131r\u0131l\u0131yor<\/h3>\n<p>Optogenetik bug\u00fcn;<\/p>\n<ul>\n<li>Haf\u0131za<\/li>\n<li>Korku<\/li>\n<li>Uyku<\/li>\n<li>\u00d6d\u00fcl ve motivasyon<\/li>\n<li>Hareket kontrol\u00fc<\/li>\n<li>Ba\u011f\u0131ml\u0131l\u0131k<\/li>\n<li>A\u011fr\u0131<\/li>\n<li>Sosyal davran\u0131\u015f<\/li>\n<\/ul>\n<p>gibi bir\u00e7ok s\u00fcrecin alt\u0131nda yatan sinir devrelerini ara\u015ft\u0131rmak i\u00e7in kullan\u0131l\u0131yor.<\/p>\n<p>Parkinson, depresyon, epilepsi ve ba\u011f\u0131ml\u0131l\u0131k gibi n\u00f6rolojik ve psikiyatrik hastal\u0131klar\u0131n mekanizmalar\u0131 da optogenetik y\u00f6ntemlerle inceleniyor.<\/p>\n<h3>Tedavi de\u011fil, g\u00fc\u00e7l\u00fc bir ara\u015ft\u0131rma arac\u0131<\/h3>\n<p>Optogeneti\u011fin hastal\u0131klar\u0131n tedavisinde umut verici sonu\u00e7lar ortaya koymas\u0131na ra\u011fmen, uzmanlar \u00f6zellikle beyin hastal\u0131klar\u0131nda y\u00f6ntemin hen\u00fcz rutin bir tedavi olmad\u0131\u011f\u0131n\u0131 vurguluyor.<\/p>\n<p>Prof. Dr. Konuk, \u201cOptogenetik \u015fu an i\u00e7in a\u011f\u0131rl\u0131kl\u0131 olarak hastal\u0131klar\u0131n alt\u0131nda yatan mekanizmalar\u0131 \u00e7\u00f6zmeye yarayan g\u00fc\u00e7l\u00fc bir laboratuvar ara\u015ft\u0131rma arac\u0131d\u0131r\u201d dedi.<\/p>\n<p>Hayvan deneylerinde al\u0131nan olumlu sonu\u00e7lar\u0131n do\u011frudan insan tedavisine aktar\u0131lmas\u0131n\u0131n m\u00fcmk\u00fcn olmad\u0131\u011f\u0131na dikkat \u00e7ekiliyor.<\/p>\n<h3>G\u00f6rme kayb\u0131nda insan \u00e7al\u0131\u015fmalar\u0131 s\u00fcr\u00fcyor<\/h3>\n<p>\u0130nsanlarda optogenetik uygulamalar a\u00e7\u0131s\u0131ndan en fazla ilerleme kaydedilen alanlardan biri ise g\u00f6rme kayb\u0131.<\/p>\n<p>\u00d6zellikle kal\u0131tsal retina hastal\u0131\u011f\u0131 retinitis pigmentosa \u00fczerinde Faz 1\/2 klinik \u00e7al\u0131\u015fmalar y\u00fcr\u00fct\u00fcl\u00fcyor.<\/p>\n<p>G\u00f6z\u00fcn \u0131\u015f\u0131\u011fa do\u011frudan eri\u015filebilir olmas\u0131, optogenetik uygulamalar a\u00e7\u0131s\u0131ndan beyne g\u00f6re \u00f6nemli bir avantaj sa\u011fl\u0131yor.<\/p>\n<h3>Parkinson ve epilepsi ara\u015ft\u0131rmalar\u0131nda kullan\u0131l\u0131yor<\/h3>\n<p>Parkinson \u00e7al\u0131\u015fmalar\u0131nda, hareketi kontrol eden sinir devrelerinin hangi h\u00fccreler \u00fczerinden \u00e7al\u0131\u015ft\u0131\u011f\u0131 optogenetik y\u00f6ntemlerle ara\u015ft\u0131r\u0131l\u0131yor.<\/p>\n<p>Epilepsi \u00e7al\u0131\u015fmalar\u0131nda ise a\u015f\u0131r\u0131 aktif sinir h\u00fccrelerinin \u0131\u015f\u0131k yard\u0131m\u0131yla bask\u0131lanmas\u0131n\u0131n n\u00f6bet mekanizmalar\u0131 \u00fczerindeki etkisi inceleniyor.<\/p>\n<p>Ancak bu \u00e7al\u0131\u015fmalar\u0131n b\u00fcy\u00fck b\u00f6l\u00fcm\u00fc hen\u00fcz deneysel a\u015famada bulunuyor.<\/p>\n<h3>Genetik, n\u00f6robilim ve m\u00fchendislik bir arada<\/h3>\n<p>Optogenetik ara\u015ft\u0131rmalar\u0131 molek\u00fcler biyoloji, genetik, n\u00f6robilim ve m\u00fchendisli\u011fin birlikte \u00e7al\u0131\u015fmas\u0131n\u0131 gerektiriyor.<\/p>\n<p>Prof. Dr. Konuk, \u201cOptogenetik; genetik, n\u00f6robilim ve m\u00fchendislik disiplinlerinin kusursuz birle\u015fimidir\u201d ifadelerini kulland\u0131.<\/p>\n<p>Bu alandaki ara\u015ft\u0131rmalar i\u00e7in geli\u015fmi\u015f g\u00f6r\u00fcnt\u00fcleme sistemleri, lazer ve LED \u0131\u015f\u0131k kaynaklar\u0131, elektrofizyolojik kay\u0131t cihazlar\u0131 ve deneysel ara\u015ft\u0131rma altyap\u0131s\u0131 gerekiyor.<\/p>\n<p>Optogenetik bug\u00fcn do\u011frudan bir tedavi y\u00f6ntemi olmaktan \u00e7ok, beynin hangi h\u00fccrelerinin hangi davran\u0131\u015flar\u0131 ve hastal\u0131k s\u00fcre\u00e7lerini y\u00f6netti\u011fini anlamay\u0131 sa\u011flayan en g\u00fc\u00e7l\u00fc ara\u015ft\u0131rma ara\u00e7lar\u0131ndan biri olarak de\u011ferlendiriliyor.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Sinir h\u00fccrelerinin faaliyetlerini \u0131\u015f\u0131kla kontrol etmeyi sa\u011flayan optogenetik, haf\u0131za, korku, ba\u011f\u0131ml\u0131l\u0131k, uyku ve hareket gibi beyin i\u015flevlerinin ara\u015ft\u0131r\u0131lmas\u0131nda \u00f6nemli bir ara\u00e7 haline geldi. Uzmanlar, y\u00f6ntemin bug\u00fcn i\u00e7in \u00f6zellikle beyin hastal\u0131klar\u0131nda bir tedaviden \u00e7ok g\u00fc\u00e7l\u00fc bir ara\u015ft\u0131rma teknolojisi oldu\u011funa dikkat \u00e7ekiyor.<\/p>\n","protected":false},"author":14,"featured_media":55301,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[16708,14303,16707],"class_list":["post-55297","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-saglik","tag-beyin-arastirmalari","tag-norobilim","tag-optogenetik"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Beynin s\u0131rlar\u0131na \u0131\u015f\u0131k tutan y\u00f6ntem: Optogenetik - Merceknet Haber<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.merceknet.com\/tr\/2026\/10\/13\/beynin-sirlarina-isik-tutan-yontem-optogenetik\/\" \/>\n<meta property=\"og:locale\" content=\"tr_TR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Beynin s\u0131rlar\u0131na \u0131\u015f\u0131k tutan y\u00f6ntem: Optogenetik - Merceknet Haber\" \/>\n<meta property=\"og:description\" content=\"Sinir h\u00fccrelerinin faaliyetlerini \u0131\u015f\u0131kla kontrol etmeyi sa\u011flayan optogenetik, haf\u0131za, korku, ba\u011f\u0131ml\u0131l\u0131k, uyku ve hareket gibi beyin i\u015flevlerinin ara\u015ft\u0131r\u0131lmas\u0131nda \u00f6nemli bir ara\u00e7 haline geldi. 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