Kanser ara\u015ft\u0131rmalar\u0131nda t\u00fcm\u00f6r mikro\u00e7evresinin (TME) d\u00fczenlenmesinde uzun kodlamayan RNA\u2019lar\u0131n (lncRNA\u2019lar) \u00f6nemi giderek art\u0131yor. 200 n\u00fckleotidden uzun ancak protein kodlamayan bu RNA\u2019lar, \u00f6nceden sadece genetik g\u00fcr\u00fclt\u00fc olarak de\u011ferlendirilirken, g\u00fcn\u00fcm\u00fczde gen reg\u00fclasyonu, h\u00fccreler aras\u0131 sinyalle\u015fme ve t\u00fcm\u00f6r ile \u00e7evresindeki stromal ve ba\u011f\u0131\u015f\u0131kl\u0131k h\u00fccreleri aras\u0131ndaki dinamik ileti\u015fimi \u015fekillendiren anahtar molek\u00fcller olarak tan\u0131mlan\u0131yor. LncRNA\u2019lar; imm\u00fcn ka\u00e7\u0131\u015f, anjiyogenez, metastaz ve tedaviye diren\u00e7 gibi kritik s\u00fcre\u00e7leri ince ince d\u00fczenleyerek kanser biyolojisinde yeni ufuklar a\u00e7makta ve tedavi stratejilerine yeni yakla\u015f\u0131mlar kazand\u0131rmaktad\u0131r.<\/p>\n
T\u00fcm\u00f6r mikro\u00e7evresi, heterojen kanser h\u00fccreleri, fibroblastlar, ba\u011f\u0131\u015f\u0131kl\u0131k h\u00fccreleri, ekstrasell\u00fcler matriks (ECM) bile\u015fenleri ve sitokin ya da b\u00fcy\u00fcme fakt\u00f6rleri gibi \u00e7\u00f6z\u00fcnebilir molek\u00fcllerle son derece karma\u015f\u0131k bir ekosistemdir. LncRNA\u2019lar, bu a\u011fda diyalo\u011fu y\u00f6neten ustalar olarak i\u015flev g\u00f6r\u00fcrler. Hem transkripsiyonel hem de post-transkripsiyonel ve epigenetik d\u00fczeyde etkili olan bu molek\u00fcller, kromatin yeniden \u015fekillendirmesinden mRNA stabilitesine ve protein \u00e7evirisine kadar pek \u00e7ok basama\u011f\u0131 kontrol ederek t\u00fcm\u00f6r b\u00fcy\u00fcmesini destekleyen molek\u00fcler yolaklar\u0131 ince ince ayarlamaktad\u0131rlar.<\/p>\n
LncRNA\u2019lar\u0131n TME\u2019deki en kritik i\u015flevlerinden biri, t\u00fcm\u00f6r ili\u015fkili fibroblastlarla (TAF) stromal-t\u00fcm\u00f6r ileti\u015fimini kontrol etmeleridir. TAF\u2019lar, t\u00fcm\u00f6r kaynakl\u0131 sinyallerle yeniden programlanarak ECM\u2019nin yeniden d\u00fczenlenmesi, ba\u011f\u0131\u015f\u0131kl\u0131k mod\u00fclasyonu ve b\u00fcy\u00fcme fakt\u00f6rleri salg\u0131lamas\u0131 gibi t\u00fcm\u00f6r\u00fcn geli\u015fimini kolayla\u015ft\u0131ran fonksiyonlar kazan\u0131r. \u00d6rne\u011fin oral skuam\u00f6z h\u00fccreli karsinomda LOC100506114 adl\u0131 lncRNA, fibroblast aktivasyonunu art\u0131rarak pro-t\u00fcm\u00f6rjenik potansiyeline katk\u0131da bulunur. MALAT1\u2019in TAF\u2019larda a\u015f\u0131r\u0131 ekspresyonu ise, kom\u015fu t\u00fcm\u00f6r h\u00fccrelerinin invazyon ve g\u00f6\u00e7 yetene\u011finin artmas\u0131yla ili\u015fkilendirilmi\u015ftir, bu da lncRNA\u2019lar\u0131n stromadaki h\u00fccresel davran\u0131\u015flar\u0131 do\u011frudan \u015fekillendirdi\u011fini g\u00f6stermektedir.<\/p>\n
Fibroblastlar\u0131n aktivitelerini d\u00fczenlemekle kalmay\u0131p, lncRNA\u2019lar ba\u011f\u0131\u015f\u0131kl\u0131k h\u00fccrelerinin TME i\u00e7indeki dinamiklerini de derinden etkileyerek t\u00fcm\u00f6rlerin ba\u011f\u0131\u015f\u0131kl\u0131k sisteminden ka\u00e7mas\u0131na olanak tan\u0131yan imm\u00fcn bask\u0131lay\u0131c\u0131 bir ortam olu\u015ftururlar. Ba\u011f\u0131\u015f\u0131kl\u0131k kontrol noktalar\u0131n\u0131n ve sitokin \u00fcretiminin reg\u00fclasyonu yoluyla HISLA gibi lncRNA\u2019lar, t\u00fcm\u00f6r ili\u015fkili makrofajlarda (TAM) metabolik yeniden programlamaya destek vererek t\u00fcm\u00f6r h\u00fccrelerinde glikoliz ve anti-apoptotik yollar\u0131 te\u015fvik eder. Ayr\u0131ca NEAT1 ve MALAT1 gibi lncRNA\u2019lar, T h\u00fccresi fonksiyonlar\u0131n\u0131 bask\u0131layarak ba\u011f\u0131\u015f\u0131kl\u0131k kontrol noktas\u0131 molek\u00fcllerini mod\u00fcle eder ve antit\u00fcm\u00f6r yan\u0131t\u0131 azaltarak t\u00fcm\u00f6r\u00fcn kal\u0131c\u0131 hale gelmesini sa\u011flarlar.<\/p>\n
Anjiyogenez, yani yeni kan damarlar\u0131n\u0131n olu\u015fumu, t\u00fcm\u00f6r b\u00fcy\u00fcmesi ve metastaz i\u00e7in gerekli oksijen ve besin tedarikini sa\u011flamas\u0131 a\u00e7\u0131s\u0131ndan kritik bir s\u00fcre\u00e7tir. LncRNA\u2019lar, hem t\u00fcm\u00f6r hem de endotel h\u00fccrelerinde anjiyojenik sinyal yolaklar\u0131n\u0131 d\u00fczenler. \u00d6rne\u011fin, NR2F1-AS1 adl\u0131 lncRNA meme kanserinde endotel markerlar\u0131 CD31 ve CD34 ile korelasyon g\u00f6sterirken, vask\u00fcler tomurcuklanmay\u0131 do\u011frudan destekler. PVT1 ise mide kanserinde VEGFA ekspresyonunu art\u0131rarak anjiyojenik s\u00fcreci g\u00fc\u00e7lendirir. Bu t\u00fcr lncRNA hedefli tedaviler, t\u00fcm\u00f6r susturucu damar a\u011f\u0131n\u0131 bozabilir ve anti-anjiyojenik yakla\u015f\u0131mlar i\u00e7in yeni f\u0131rsatlar sunar.<\/p>\n
T\u00fcm\u00f6r mikro\u00e7evresindeki h\u00fccreler aras\u0131 ileti\u015fim, ekstrasel\u00fcler vezik\u00fcller ve ekzomlar arac\u0131l\u0131\u011f\u0131yla ger\u00e7ekle\u015fen molek\u00fcler transferlerle daha da karma\u015f\u0131kla\u015f\u0131r. Exosomal lncRNA\u2019lar, t\u00fcm\u00f6rlerin \u00e7evresini manip\u00fcle etti\u011fi zarif bir ileti\u015fim mekanizmas\u0131n\u0131n \u00f6rne\u011fidir. \u00d6rne\u011fin, TAM\u2019lardan mide kanser h\u00fccrelerine ekzomlar yoluyla ge\u00e7i\u015f yapan CRNDE adl\u0131 lncRNA, t\u00fcm\u00f6r supres\u00f6r\u00fc PTEN\u2019in y\u0131k\u0131m\u0131n\u0131 te\u015fvik ederek t\u00fcm\u00f6r h\u00fccrelerinin hayatta kalmas\u0131n\u0131 ve kemoterapiye diren\u00e7 kazanmas\u0131n\u0131 kolayla\u015ft\u0131r\u0131r. B\u00f6yle yatay lncRNA transferi, kanserin mikrosistemi kendi lehine \u00e7evirmek i\u00e7in ba\u015fvurdu\u011fu evrimsel bir stratejidir.<\/p>\n
Konvansiyonel tedavilere kar\u015f\u0131 geli\u015fen diren\u00e7, kanser tedavisinin en b\u00fcy\u00fck zorluklar\u0131ndan biridir. LncRNA\u2019lar, hem do\u011fu\u015ftan hem de kazan\u0131lm\u0131\u015f diren\u00e7 mekanizmalar\u0131nda merkezi rol oynar. \u00d6rne\u011fin, \u00f6zofagus kanserinde artan DNM3OS lncRNA ifadesi, kanser ili\u015fkili fibroblastlarda DNA hasar yan\u0131t\u0131n\u0131 art\u0131rarak t\u00fcm\u00f6rlerin radyoterapiye kar\u015f\u0131 diren\u00e7 kazanmas\u0131n\u0131 sa\u011flar. Ayr\u0131ca, ila\u00e7 ta\u015f\u0131y\u0131c\u0131lar, anti-apoptotik fakt\u00f6rler ve ka\u00e7\u0131\u015f yollar\u0131yla ilgili sinyal yolaklar\u0131n\u0131 d\u00fczenleyerek tedavi ba\u015far\u0131s\u0131zl\u0131\u011f\u0131 ve n\u00fcksler \u00fczerinde etkili olur.<\/p>\n
Bu ke\u015fifler, lncRNA\u2019lar\u0131n klinik uygulamalarda da potansiyel ta\u015f\u0131malar\u0131n\u0131 sa\u011flar. Dokuya \u00f6zg\u00fc ekspresyonlar\u0131 ve v\u00fccut s\u0131v\u0131lar\u0131nda y\u00fcksek stabiliteleri, onlar\u0131 invaziv olmayan kanser tan\u0131 ve prognostik biyobelirte\u00e7 adaylar\u0131 yapmaktad\u0131r. \u00d6zellikle dola\u015f\u0131mdaki ekzom lncRNA\u2019lar\u0131, t\u00fcm\u00f6r\u00fcn anl\u0131k durumuna ili\u015fkin dinamik bilgiler sunarak erken te\u015fhis ve tedavi yan\u0131tlar\u0131n\u0131n ger\u00e7ek zamanl\u0131 izlenmesini m\u00fcmk\u00fcn k\u0131larak onkolojide ki\u015fiye \u00f6zel yakla\u015f\u0131mlara \u00f6nc\u00fcl\u00fck etmektedir.<\/p>\n
Ancak lncRNA\u2019lar\u0131 do\u011frudan hedef alan terap\u00f6tik stratejiler geli\u015ftirmek, molek\u00fcllerin \u00e7oklu i\u015flevleri, ba\u011flama ba\u011fl\u0131 etkileri ve yap\u0131sal karma\u015f\u0131kl\u0131klar\u0131 nedeniyle zorluk i\u00e7ermektedir. G\u00fcn\u00fcm\u00fczdeki yakla\u015f\u0131mlar antisense oligon\u00fckleotidler (ASO\u2019lar), RNA interferans\u0131 (RNAi) ve CRISPR-Cas gen d\u00fczenleme teknolojileri etraf\u0131nda \u015fekillenmekte ve bunlar\u0131n t\u00fcm\u00fc hedef dokuya \u00f6zg\u00fc ve etkili da\u011f\u0131t\u0131m sistemlerine ihtiya\u00e7 duymaktad\u0131r. Nanoteknoloji alan\u0131ndaki geli\u015fmeler, \u00f6zg\u00fcll\u00fck ve yan etkileri minimize ederek bu zorluklar\u0131n \u00fcstesinden gelme potansiyeli ta\u015f\u0131maktad\u0131r.<\/p>\n
S\u00fcregelen \u00e7al\u0131\u015fmalar, lncRNA\u2019lar\u0131n TME i\u00e7indeki i\u015flev yelpazesini geni\u015fleterek epitel-meszankimal ge\u00e7i\u015f (EMT), metabolik yeniden programlama ve kanser k\u00f6k h\u00fccrelerinin korunmas\u0131 gibi kritik sinyal yolaklar\u0131n\u0131 nas\u0131l mod\u00fcle ettiklerini ortaya koymaktad\u0131r. Bu molek\u00fcller, t\u00fcm\u00f6r agresifli\u011fi ve metastaz potansiyelini \u015fekillendiren temel s\u00fcre\u00e7leri etkileyerek hastal\u0131k seyrini belirgin \u015fekilde de\u011fi\u015ftirmektedir. Multi-omik ve tek h\u00fccreli analiz teknolojilerinin entegrasyonu, lncRNA aktivitelerinin ba\u011flama ba\u011fl\u0131 do\u011fas\u0131n\u0131 a\u00e7\u0131kl\u0131\u011fa kavu\u015fturarak daha sofistike ve ki\u015fiselle\u015ftirilmi\u015f m\u00fcdahalelerin geli\u015ftirilmesine zemin haz\u0131rlamaktad\u0131r.<\/p>\n
Onkoloji alan\u0131, bu bilgiler \u0131\u015f\u0131\u011f\u0131nda lncRNA tabanl\u0131 terapilerin laboratuvardan klinik uygulamaya ge\u00e7i\u015f s\u00fcrecine b\u00fcy\u00fck \u00f6nem vermektedir. LncRNA hedeflemenin kemoterapi, radyoterapi ve imm\u00fcnoterapi gibi mevcut tedavilerle kombinasyonu, t\u00fcm\u00f6r koruyucu mikro\u00e7evresel bariyerlerin y\u0131k\u0131lmas\u0131n\u0131 sa\u011flayarak tedavi etkinli\u011fini art\u0131rabilir. Bu \u00e7ok boyutlu yakla\u015f\u0131m, kanser y\u00f6netiminde yeni bir d\u00f6nemin kap\u0131lar\u0131n\u0131 aralamakta; RNA d\u00fczenleme d\u00fczeyinde mikro\u00e7evrenin manip\u00fclasyonu, hastal\u0131\u011f\u0131n ilerleyi\u015fini k\u00f6kl\u00fc bi\u00e7imde de\u011fi\u015ftirme potansiyeli ta\u015f\u0131maktad\u0131r.<\/p>\n
Sonu\u00e7 olarak, t\u00fcm\u00f6r mikro\u00e7evresindeki lncRNA\u2019lar kanser biyolojisinde paradigma de\u011fi\u015fikli\u011fine i\u015faret etmektedir. Bu molek\u00fcller yaln\u0131zca t\u00fcm\u00f6r progresyonunun d\u00fczenleyici merkezleri olmakla kalmay\u0131p, ayn\u0131 zamanda umut vadeden klinik hedefler ve biyobelirte\u00e7ler olarak da \u00f6n plana \u00e7\u0131kmaktad\u0131r. Molek\u00fcler biyoloji, genomik, biyoinformatik ve nanomedisinde disiplinleraras\u0131 i\u015fbirliklerinin s\u00fcrd\u00fcr\u00fclmesi, lncRNA\u2019lar\u0131n potansiyelinin tam anlam\u0131yla kullan\u0131lmas\u0131 ve yenilik\u00e7i, etkili, ki\u015fiselle\u015ftirilmi\u015f kanser tedavilerinin geli\u015ftirilmesi i\u00e7in kritik \u00f6nem ta\u015f\u0131maktad\u0131r.<\/p>\n
Ara\u015ft\u0131rma Konusu<\/strong>: Makale Ba\u015fl\u0131\u011f\u0131<\/strong>: Haberin Yay\u0131n Tarihi<\/strong>: Web References<\/strong>: Doi Referans<\/strong>: Resim Credits<\/strong>: Anahtar Kelimeler<\/strong>: Kanser ara\u015ft\u0131rmalar\u0131nda t\u00fcm\u00f6r mikro\u00e7evresinin (TME) d\u00fczenlenmesinde uzun kodlamayan RNA\u2019lar\u0131n (lncRNA\u2019lar) \u00f6nemi giderek art\u0131yor. 200 n\u00fckleotidden uzun ancak protein kodlamayan bu RNA\u2019lar, \u00f6nceden sadece genetik g\u00fcr\u00fclt\u00fc olarak de\u011ferlendirilirken, g\u00fcn\u00fcm\u00fczde gen reg\u00fclasyonu, h\u00fccreler aras\u0131 sinyalle\u015fme ve t\u00fcm\u00f6r ile \u00e7evresindeki stromal ve ba\u011f\u0131\u015f\u0131kl\u0131k h\u00fccreleri aras\u0131ndaki dinamik ileti\u015fimi \u015fekillendiren anahtar molek\u00fcller olarak tan\u0131mlan\u0131yor. LncRNA\u2019lar; imm\u00fcn ka\u00e7\u0131\u015f, anjiyogenez, metastaz ve…<\/p>\n","protected":false},"author":1,"featured_media":3747,"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":[2899,2901,2900,2898,2897],"tmauthors":[],"class_list":{"0":"post-3746","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-kanser","8":"tag-bagisiklik-hucrelerinde-lncrna-regulasyonu-ve-immun-baski-mekanizmalari","9":"tag-epigenetik-ve-post-transkripsiyonel-duzenlemede-lncrna-etkileri","10":"tag-lncrnalarin-kanser-anjiyogenezi-ve-metastaz-sureclerindeki-fonksiyonlari","11":"tag-lncrnalarin-tumor-iliskili-fibroblastlar-uzerindeki-rolu","12":"tag-tumor-mikrocevresinde-uzun-kodlamayan-rna-etkileri"},"jetpack_featured_media_url":"https:\/\/haber360.com\/wp-content\/uploads\/2025\/04\/Tumor-Mikrocevresinde-Uzun-Kodlamayan-RNA-Etkileri-1745498688.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/posts\/3746","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=3746"}],"version-history":[{"count":0,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/posts\/3746\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/media\/3747"}],"wp:attachment":[{"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/media?parent=3746"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/categories?post=3746"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/tags?post=3746"},{"taxonomy":"tmauthors","embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/tmauthors?post=3746"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nLong non-coding RNAs in tumor microenvironment regulation and cancer progression<\/p>\n
\nTumor Microenvironment Dynamics: The Regulatory Influence of Long Non-coding RNAs<\/p>\n
\n22-Feb-2025<\/p>\n
\nGene Expression Journal<\/p>\n
\n10.14218\/GE.2024.00069<\/p>\n
\nIlgiz Gareev, Ozal Beylerli<\/p>\n
\nLong noncoding RNA, Primary tumors, Tumor cells, Molecular targets, Tumor microenvironments<\/p>\n","protected":false},"excerpt":{"rendered":"