Son y\u0131llarda yap\u0131lan yenilik\u00e7i bir \u00e7al\u0131\u015fmada, kal\u0131n ba\u011f\u0131rsak kanseri (kolorektal kanser, KRK) ilerleyi\u015finde uzun kodlama yapmayan RNA (lncRNA) ailesinden CASC19\u2019un kritik rol\u00fc ortaya kondu. BMC Cancer dergisinde yay\u0131mlanan ara\u015ft\u0131rma, CASC19\u2019un RNA ba\u011flay\u0131c\u0131 protein SNRPA\u2019yla etkile\u015fim halinde kanser h\u00fccrelerinin b\u00fcy\u00fcmesini, metabolizma d\u00fczenlemelerini ve metastaz yetene\u011fini nas\u0131l art\u0131rd\u0131\u011f\u0131n\u0131 ayr\u0131nt\u0131lar\u0131yla inceleyerek yeni tan\u0131 ve tedavi yakla\u015f\u0131mlar\u0131na kap\u0131 aral\u0131yor. Bu \u00e7al\u0131\u015fma, kolorektal kanserin molek\u00fcler seviyedeki karma\u015f\u0131k mekanizmalar\u0131na \u0131\u015f\u0131k tutarak hastal\u0131kla m\u00fccadelede \u00f6nemli bir d\u00f6n\u00fcm noktas\u0131 olarak kabul ediliyor.<\/p>\n
D\u00fcnya genelinde y\u00fcksek \u00f6l\u00fcm oranlar\u0131yla dikkat \u00e7eken kolorektal kanser, \u00f6zellikle agresif metastaz ve tedaviye diren\u00e7 nedeniyle sa\u011fl\u0131k alan\u0131nda ciddi bir sorun olmaya devam ediyor. LncRNA\u2019lar\u0131n kanser biyolojisindeki d\u00fczenleyici rollerine ili\u015fkin son y\u0131llardaki yo\u011fun ara\u015ft\u0131rmalar, KRK\u2019daki etkilerinin tam olarak anla\u015f\u0131lamamas\u0131 nedeniyle bu alanda bilgi bo\u015fluklar\u0131 yarat\u0131yordu. Ancak yeni bulgular, CASC19\u2019un anormal y\u00fcksek d\u00fczeylerde ortaya \u00e7\u0131kmas\u0131yla h\u00fccrelerin hem metabolik hem de invazyonel s\u00fcre\u00e7lerini nas\u0131l y\u00f6nlendirdi\u011fini net bi\u00e7imde g\u00f6zler \u00f6n\u00fcne seriyor.<\/p>\n
Ara\u015ft\u0131rmac\u0131lar, HR4838 kolorektal kanser h\u00fccre hatt\u0131n\u0131 kullanarak CASC19\u2019un gen ekspresyon seviyelerini genetik y\u00f6ntemlerle art\u0131rd\u0131 ve azalt\u0131ld\u0131. Bu sayede yap\u0131lan fonksiyonel testlerde, CASC19\u2019un h\u00fccrelerin invazyon yetene\u011fini ve proliferasyon h\u0131z\u0131n\u0131 art\u0131rd\u0131\u011f\u0131 sonucuna ula\u015f\u0131ld\u0131. Tersine, CASC19\u2019un bask\u0131lanmas\u0131 durumunda ise bu kansersel \u00f6zelliklerin belirgin \u015fekilde zay\u0131flad\u0131\u011f\u0131 ve t\u00fcm\u00f6r biyolojisinde kritik bir fakt\u00f6r olarak rol\u00fc desteklendi.<\/p>\n
\u00c7al\u0131\u015fman\u0131n \u00f6nemli bulgular\u0131ndan biri de CASC19\u2019un apoptozu, yani programlanm\u0131\u015f h\u00fccre \u00f6l\u00fcm\u00fcn\u00fc engellemesi oldu. Ak\u0131\u015f sitometrisi analizleri, CASC19\u2019un kanser h\u00fccrelerinde hayatta kalma oran\u0131n\u0131 y\u00fckselterek kontrol mekanizmalar\u0131n\u0131 devre d\u0131\u015f\u0131 b\u0131rakt\u0131\u011f\u0131n\u0131 kan\u0131tlad\u0131. Bu durum, t\u00fcm\u00f6r kitlesinin s\u00fcrekli b\u00fcy\u00fcmesini sa\u011flayan h\u00fccresel dengenin bozulmas\u0131na yol a\u00e7\u0131yor ve t\u00fcm\u00f6r\u00fcn kontrol d\u0131\u015f\u0131 geli\u015fimini kolayla\u015ft\u0131r\u0131yor.<\/p>\n
Metabolik a\u00e7\u0131dan, CASC19\u2019un kanser h\u00fccrelerinde glukoz al\u0131m\u0131n\u0131 art\u0131rarak laktat \u00fcretimi ve ATP sentezini y\u00fckseltti\u011fi g\u00f6r\u00fcld\u00fc. Bu, kanser h\u00fccrelerinin oksijen varl\u0131\u011f\u0131nda bile yo\u011fun glikoliz yolunu tercih etti\u011fi ve h\u0131zl\u0131 b\u00fcy\u00fcmesini destekleyen Warburg etkisinin lncRNA arac\u0131l\u0131\u011f\u0131yla nas\u0131l tetiklendi\u011fine dair yeni bilgiler sunuyor. CASC19\u2019un, bu metabolik yeniden programlamayla t\u00fcm\u00f6re g\u00fc\u00e7 verdi\u011fi do\u011fruland\u0131.<\/p>\n
Metabolik reg\u00fclasyondaki g\u00f6revini tamamlayan CASC19\u2019un, SNRPA adl\u0131 k\u00fc\u00e7\u00fck n\u00fckleer ribon\u00fckleoprotein polipeptidi A ile do\u011frudan RNA-ba\u011flay\u0131c\u0131 ili\u015fkisi dikkat \u00e7ekici \u00e7\u0131kt\u0131. SNRPA\u2019n\u0131n a\u015f\u0131r\u0131 \u00fcretimi, CASC19\u2019un etkilerini taklit ederek kanser h\u00fccrelerinde metastaz ve glikoliz aktivitesini art\u0131r\u0131rken apoptozu bask\u0131lad\u0131. SNRPA\u2019n\u0131n sessizle\u015ftirilmesi ise tam tersine h\u00fccresel kanser \u00f6zelliklerini zay\u0131flatt\u0131. Bu da CASC19-SNRPA ekseninin KRK\u2019daki temel bir d\u00fczenleyici a\u011f oldu\u011funu ortaya koydu.<\/p>\n
Molek\u00fcler d\u00fczeyde CASC19-SNRPA etkile\u015fiminin, \u00fcnl\u00fc Wnt\/\u03b2-katenin sinyal yolunu aktifle\u015ftirdi\u011fi bulundu. Bu yol, kolorektal ve di\u011fer kanserlerdeki onkogenik etkileriyle bilinirken, h\u00fccre \u00e7o\u011falmas\u0131, hayatta kalma ve hareketlili\u011fi art\u0131rarak t\u00fcm\u00f6r ilerlemesini destekler. Dolay\u0131s\u0131yla CASC19-SNRPA-Wnt\/\u03b2-katenin zinciri, kanser h\u00fccrelerinin agresif fenotipini olu\u015fturman\u0131n anahtar\u0131 olarak \u00f6ne \u00e7\u0131kt\u0131.<\/p>\n
Yaln\u0131zca deneysel ortamda de\u011fil, BALB\/c \u00e7\u0131plak fare modeli kullan\u0131larak ger\u00e7ekle\u015ftirilen in vivo testler de bulgular\u0131 do\u011frulad\u0131. CASC19 bask\u0131lanan t\u00fcm\u00f6rlerin b\u00fcy\u00fcme h\u0131z\u0131 ve kitle hacmi anlaml\u0131 bi\u00e7imde azald\u0131 ve bu durum SNRPA seviyelerindeki d\u00fc\u015f\u00fc\u015fle tutarl\u0131 bulundu. Bu canl\u0131 organizma deneyleri, CASC19\u2019un hedeflenmesinin t\u00fcm\u00f6r ekspansiyonunu k\u0131s\u0131tlayabilece\u011fine i\u015faret etti.<\/p>\n
Ara\u015ft\u0131rman\u0131n \u00f6nemli katk\u0131lar\u0131ndan biri de CASC19\u2019un molek\u00fcler bir biyobelirte\u00e7 olarak kullanma potansiyelini vurgulamas\u0131 oldu. Mevcut biyobelirte\u00e7lerin s\u0131n\u0131rl\u0131 do\u011fruluk ve \u00f6zg\u00fcll\u00fckte olmas\u0131, erken te\u015fhis ve izlemde zorluk yarat\u0131rken, CASC19\u2019un tan\u0131 ve prognoz a\u00e7\u0131s\u0131ndan yeni nesil bir ara\u00e7 olabilece\u011fi fikrini destekliyor. B\u00f6ylece hastal\u0131k seyrinin daha hassas takibine olanak tan\u0131yabilir.<\/p>\n
\u00d6te yandan CASC19-SNRPA-Wnt\/\u03b2-katenin ekseninin hedeflenmesi, hem t\u00fcm\u00f6r metabolizmas\u0131n\u0131 hem de metastatik yay\u0131l\u0131m\u0131 engelleyecek yenilik\u00e7i tedavi yakla\u015f\u0131mlar\u0131n\u0131n geli\u015ftirilmesi i\u00e7in yeni f\u0131rsatlar sunuyor. RNA\u2019ya \u00f6zg\u00fc tedaviler veya molek\u00fcler inhibit\u00f6rler bu yolu bloke ederek hastalar\u0131n ya\u015fam kalitesini art\u0131rabilir.<\/p>\n
Bu ara\u015ft\u0131rma, kanser metabolizmas\u0131 ile gen d\u00fczenlenmesinin lncRNA a\u011flar\u0131yla nas\u0131l i\u00e7 i\u00e7e ge\u00e7ti\u011fini kan\u0131tlamas\u0131 a\u00e7\u0131s\u0131ndan ayr\u0131ca \u00f6nem ta\u015f\u0131yor. CASC19\u2019un hem metabolik yollar\u0131 hem de h\u00fccre i\u00e7i sinyal mekanizmalar\u0131n\u0131 mod\u00fcle etme kabiliyeti, t\u00fcm\u00f6r ilerlemesinin \u00e7ok katmanl\u0131 yap\u0131s\u0131n\u0131 ortaya koyuyor.<\/p>\n
Kolorektal kanserin heterojen yap\u0131s\u0131 ve s\u0131kl\u0131kla ge\u00e7 tan\u0131 konmas\u0131 g\u00f6z \u00f6n\u00fcnde bulunduruldu\u011funda, CASC19 gibi molek\u00fcler akt\u00f6rlerin ke\u015ffi, ki\u015fiselle\u015ftirilmi\u015f t\u0131p alan\u0131na da \u00f6nemli katk\u0131lar sa\u011flayacakt\u0131r. Gelecekte yap\u0131lacak klinik \u00e7al\u0131\u015fmalar, CASC19\u2019un hasta sonu\u00e7lar\u0131 ve tedavi yan\u0131tlar\u0131yla ili\u015fkisini de\u011ferlendirmek a\u00e7\u0131s\u0131ndan b\u00fcy\u00fck \u00f6nem ta\u015f\u0131maktad\u0131r.<\/p>\n
Sonu\u00e7 olarak Zhang, Zhao, Wu ve ekibinin \u00e7al\u0131\u015fmas\u0131, lncRNA CASC19\u2019un t\u00fcm\u00f6r b\u00fcy\u00fcmesi, glikoliz ve metastazdaki onkojenik g\u00fcc\u00fcn\u00fc detayl\u0131 bi\u00e7imde ortaya koymaktad\u0131r. SNRPA ile etkile\u015fimleri ve Wnt\/\u03b2-katenin aktivasyonu sayesinde CASC19, kolorektal kanser patogenezinde merkezi bir rol \u00fcstlenmekte; bu da yeni tan\u0131 ve tedavi se\u00e7eneklerinin geli\u015ftirilmesinde umut vaat etmektedir. Kanser ara\u015ft\u0131rmalar\u0131nda RNA arac\u0131l\u0131 reg\u00fclasyonlar\u0131n anla\u015f\u0131lmas\u0131 i\u00e7in \u00f6nemli bir d\u00f6neme\u00e7 olarak g\u00f6r\u00fcl\u00fcyor.<\/p>\n
Bu t\u00fcr \u00e7al\u0131\u015fmalar, non-kodlay\u0131c\u0131 RNA a\u011flar\u0131n\u0131n terap\u00f6tik potansiyelini g\u00f6zler \u00f6n\u00fcne sermekte ve kanserde yeni hedeflerin ke\u015ffi i\u00e7in ilham kayna\u011f\u0131 olmaktad\u0131r. Klinik uygulamalara d\u00f6n\u00fc\u015fecek do\u011frulama s\u00fcre\u00e7lerinden sonra, CASC19 kal\u0131n ba\u011f\u0131rsak kanseriyle m\u00fccadelede kritik bir molek\u00fcler hedef haline gelebilir ve milyonlarca ki\u015fiye umut olabilir.<\/p>\n
Ara\u015ft\u0131rma Konusu<\/strong>: Makale Ba\u015fl\u0131\u011f\u0131<\/strong>: Web References<\/strong>: Doi Referans<\/strong>: Resim Credits<\/strong>: Anahtar Kelimeler<\/strong>: Son y\u0131llarda yap\u0131lan yenilik\u00e7i bir \u00e7al\u0131\u015fmada, kal\u0131n ba\u011f\u0131rsak kanseri (kolorektal kanser, KRK) ilerleyi\u015finde uzun kodlama yapmayan RNA (lncRNA) ailesinden CASC19\u2019un kritik rol\u00fc ortaya kondu. BMC Cancer dergisinde yay\u0131mlanan ara\u015ft\u0131rma, CASC19\u2019un RNA ba\u011flay\u0131c\u0131 protein SNRPA\u2019yla etkile\u015fim halinde kanser h\u00fccrelerinin b\u00fcy\u00fcmesini, metabolizma d\u00fczenlemelerini ve metastaz yetene\u011fini nas\u0131l art\u0131rd\u0131\u011f\u0131n\u0131 ayr\u0131nt\u0131lar\u0131yla inceleyerek yeni tan\u0131 ve tedavi yakla\u015f\u0131mlar\u0131na kap\u0131 aral\u0131yor….<\/p>\n","protected":false},"author":1,"featured_media":5002,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_yoast_wpseo_title":"","_yoast_wpseo_metadesc":"","_yoast_wpseo_focuskw":"","rank_math_title":"","rank_math_description":"","rank_math_focus_keyword":"","_wpan_schema_json_ld":"","_wpan_ai_seo_metadata":"","_wpan_ai_seo_status":"","_wpan_ai_seo_policy":"","_wpan_ai_seo_faq_block":"","_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[28],"tags":[5919,5921,5920,5918,5917],"tmauthors":[],"class_list":{"0":"post-5001","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-kanser","8":"tag-casc19-rna-baglayici-protein-snrpa-etkilesimi","9":"tag-kolorektal-kanser-hucrelerinde-warburg-etkisi-ve-casc19","10":"tag-kolorektal-kanserde-apoptoz-engelleme-mekanizmalari","11":"tag-kolorektal-kanserde-lncrna-ve-metabolik-duzenleme","12":"tag-lncrna-casc19-kolorektal-kanser-metastaz"},"jetpack_featured_media_url":"https:\/\/haber360.com\/wp-content\/uploads\/2025\/05\/LncRNA-CASC198217un-Kolorektal-Kanserde-Rolu-1746527373.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/posts\/5001","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/comments?post=5001"}],"version-history":[{"count":0,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/posts\/5001\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/media\/5002"}],"wp:attachment":[{"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/media?parent=5001"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/categories?post=5001"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/tags?post=5001"},{"taxonomy":"tmauthors","embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/tmauthors?post=5001"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nKal\u0131n ba\u011f\u0131rsak kanseri ilerleyi\u015finde lncRNA CASC19\u2019un t\u00fcm\u00f6r b\u00fcy\u00fcmesi, glikoliz ve metastaz\u0131 RNA ba\u011flay\u0131c\u0131 protein SNRPA ve Wnt\/\u03b2-katenin sinyal yolu arac\u0131l\u0131\u011f\u0131yla nas\u0131l etkiledi\u011finin incelenmesi.<\/p>\n
\nLncRNA CASC19 promotes the growth and glycolysis of colorectal cancer cells and tumor metastasis in mice<\/p>\n
\nhttps:\/\/doi.org\/10.1186\/s12885-025-14170-4<\/p>\n
\nhttps:\/\/doi.org\/10.1186\/s12885-025-14170-4<\/p>\n
\nScienmag.com<\/p>\n
\nagresif kanser \u00f6zellikleri, kanser biyolojisi, lncRNA d\u00fczenlemesi, kolorektal kanser, KRK ara\u015ft\u0131rmalar\u0131, tan\u0131 m\u00fcdahaleleri, genetik manip\u00fclasyon, lncRNA CASC19, metabolik yeniden programlama, metastatik potansiyel, onkojenik lncRNA, RNA ba\u011flay\u0131c\u0131 protein SNRPA, hedefe y\u00f6nelik kanser tedavileri, t\u00fcm\u00f6r b\u00fcy\u00fcme mekanizmalar\u0131<\/p>\n","protected":false},"excerpt":{"rendered":"