Son y\u0131llarda kanser ara\u015ft\u0131rmalar\u0131nda metabolik mekanizmalar\u0131n t\u00fcm\u00f6r geli\u015fimindeki kilit rol\u00fc giderek daha fazla ortaya konmaktad\u0131r. Ba\u015f ve boyun skuam\u00f6z h\u00fccreli karsinomu (HNSCC) ise agresif seyri ve tedaviye diren\u00e7li yap\u0131s\u0131yla klinikte zorlu bir kanser tipi olarak \u00f6n plana \u00e7\u0131kmaktad\u0131r. Yeni yay\u0131mlanan kapsaml\u0131 bir BMC Cancer \u00e7al\u0131\u015fmas\u0131, HNSCC\u2019de laktat metabolizmas\u0131 ile t\u00fcm\u00f6r mikro\u00e7evresindeki ba\u011f\u0131\u015f\u0131kl\u0131k dinamikleri aras\u0131ndaki karma\u015f\u0131k ili\u015fkiyi a\u00e7\u0131\u011fa \u00e7\u0131kararak alanda \u00f6nemli ilerlemelere imza atmaktad\u0131r. Ara\u015ft\u0131rmada, entegre multi-omik analiz y\u00f6ntemleri kullan\u0131larak, laktat metabolizmas\u0131yla ili\u015fkili gen imzalar\u0131 tespit edilmi\u015f ve bunlar\u0131n yaln\u0131zca hastalar\u0131n prognozunu de\u011fil ayn\u0131 zamanda immunolojik ortam\u0131n\u0131 da etkiledi\u011fi belirlenmi\u015ftir. Bu bulgular hem prognostik ara\u00e7lar\u0131n geli\u015ftirilmesi hem de hedefe y\u00f6nelik yeni tedavi stratejilerinin olu\u015fturulmas\u0131 a\u00e7\u0131s\u0131ndan b\u00fcy\u00fck umut vaat etmektedir.<\/p>\n
HNSCC\u2019nin k\u00f6t\u00fc prognozunda rol oynayan bir\u00e7ok fakt\u00f6r mevcut olmakla birlikte, metabolik yeniden programlanma \u00f6zellikle dikkat \u00e7ekmektedir. Kanser h\u00fccrelerinde laktat birikimi ve kullan\u0131m\u0131, uzun s\u00fcre sadece metabolik art\u0131k olarak kabul edilmi\u015ftir. Ancak son y\u0131llarda laktat\u0131n t\u00fcm\u00f6r mikro\u00e7evresinin \u015fekillenmesinde ve ba\u011f\u0131\u015f\u0131kl\u0131k h\u00fccrelerinin i\u015flevselli\u011finin engellenmesinde kritik bir ara molek\u00fcl oldu\u011fu anla\u015f\u0131lm\u0131\u015ft\u0131r. Bu kanserle ili\u015fkili metabolik de\u011fi\u015fimlerin, t\u00fcm\u00f6r ilerlemesini h\u0131zland\u0131rman\u0131n yan\u0131nda ba\u011f\u0131\u015f\u0131kl\u0131k ka\u00e7\u0131\u015f\u0131ndaki rol\u00fc de giderek netlik kazanmaktad\u0131r. Ne var ki HNSCC\u2019de laktat metabolizmas\u0131na ba\u011fl\u0131 genlerin prognozla ili\u015fkisi ve bunlar\u0131n ba\u011f\u0131\u015f\u0131kl\u0131k h\u00fccreleriyle etkile\u015fim a\u011f\u0131 hen\u00fcz yeterince ayd\u0131nlat\u0131lmam\u0131\u015ft\u0131.<\/p>\n
Ara\u015ft\u0131rmac\u0131lar, bu bo\u015flu\u011fu doldurmak amac\u0131yla geni\u015f hasta veritabanlar\u0131 \u00fczerinden genomik ve transkriptomik verileri birle\u015ftiren detayl\u0131 bir analiz yapm\u0131\u015flard\u0131r. Elde edilen veriler \u0131\u015f\u0131\u011f\u0131nda, laktat metabolizmas\u0131yla ili\u015fkili genlerden olu\u015fan \u00e7okgenli bir imza geli\u015ftirilmi\u015f, bu sayede hastalar d\u00fc\u015f\u00fck ve y\u00fcksek risk gruplar\u0131na ayr\u0131larak sa\u011fkal\u0131m a\u00e7\u0131s\u0131ndan anlaml\u0131 farkl\u0131l\u0131klar g\u00f6sterilmi\u015ftir. Bu prognostik model, klinik pratikte hastalar\u0131n risklerini daha do\u011fru saptama ve tedavi planlar\u0131n\u0131n ki\u015fiselle\u015ftirilmesi i\u00e7in g\u00fc\u00e7l\u00fc bir ara\u00e7 olarak sunulmaktad\u0131r.<\/p>\n
\u00c7al\u0131\u015fman\u0131n \u00f6nemli y\u00f6nlerinden biri de olu\u015fturulan laktat-ba\u011f\u0131ml\u0131 gen imzas\u0131n\u0131n t\u00fcm\u00f6r mikro\u00e7evresindeki immunolojik profil ile korelasyonunun incelenmesidir. D\u00fc\u015f\u00fck risk grubundaki hastalar\u0131n t\u00fcm\u00f6r dokular\u0131nda CD8+ T h\u00fccresi infiltrasyonunun anlaml\u0131 derecede y\u00fcksek oldu\u011fu g\u00f6zlemlenmi\u015f, bu durum t\u00fcm\u00f6r\u00fcn ba\u011f\u0131\u015f\u0131kl\u0131k sistemine kar\u015f\u0131 \u201cs\u0131cak\u201d bir yap\u0131da oldu\u011funu ve bu hastalar\u0131n daha iyi prognoz g\u00f6sterdi\u011fini g\u00f6stermektedir. Buna kar\u015f\u0131l\u0131k, y\u00fcksek risk grubundaki t\u00fcm\u00f6rler metabolik a\u00e7\u0131dan ba\u011f\u0131\u015f\u0131kl\u0131k yan\u0131t\u0131n\u0131 bask\u0131layan bir ortam sergilemi\u015f ve \u201cso\u011fuk\u201d t\u00fcm\u00f6r mikro\u00e7evresi olu\u015fturarak immun kay\u0131ttan ka\u00e7\u0131\u015f\u0131 kolayla\u015ft\u0131rm\u0131\u015ft\u0131r.<\/p>\n
Tek h\u00fccre dizileme teknolojilerinin kullan\u0131ld\u0131\u011f\u0131 \u00e7al\u0131\u015fmada, farkl\u0131 h\u00fccre tiplerinin metabolik aktiviteleri detayl\u0131 olarak de\u011ferlendirilmi\u015ftir. T\u00fcm\u00f6r h\u00fccrelerinde laktat metabolizmas\u0131n\u0131n mikro\u00e7evredeki di\u011fer h\u00fccrelere k\u0131yasla \u00e7ok daha aktif oldu\u011fu tespit edilmi\u015f, bu durum t\u00fcm\u00f6r h\u00fccrelerinin metabolik anlamda bask\u0131nl\u0131\u011f\u0131n\u0131 ortaya koyarken ba\u011f\u0131\u015f\u0131kl\u0131k bask\u0131lanmas\u0131n\u0131n mekanistik temelini olu\u015fturmu\u015ftur. B\u00f6ylece, t\u00fcm\u00f6r \u00f6zg\u00fc metabolik yolaklar\u0131n hedeflenmesinin mikro\u00e7evrenin yeniden programlanarak ba\u011f\u0131\u015f\u0131kl\u0131\u011f\u0131n canland\u0131r\u0131lmas\u0131 i\u00e7in \u00f6nemli bir strateji olabilece\u011fi vurgulanm\u0131\u015ft\u0131r.<\/p>\n
\u00c7al\u0131\u015fman\u0131n en \u00e7arp\u0131c\u0131 sonu\u00e7lar\u0131ndan biri, PYGL geninin laktat metabolizmas\u0131 ile ili\u015fkili prognostik gen imzas\u0131nda belirleyici bir konumda bulunmas\u0131d\u0131r. Glikojen fosforilaz enzimini kodlayan PYGL\u2019nin yaln\u0131zca t\u00fcm\u00f6r h\u00fccrelerinde de\u011fil, t\u00fcm\u00f6r ili\u015fkili makrofajlar (TAM\u2019lar) i\u00e7erisinde de y\u00fcksek oranda ifade edildi\u011fi g\u00f6sterilmi\u015ftir. PYGL\u2019nin TAM\u2019lar \u00fczerindeki i\u015flevi, M1 makrofaj polarizasyonunu engellemek \u015feklindedir ki bu durum inflamatuar ve t\u00fcmora kar\u015f\u0131 \u00f6ld\u00fcr\u00fcc\u00fc ba\u011f\u0131\u015f\u0131kl\u0131k yan\u0131t\u0131n\u0131 bask\u0131layarak t\u00fcm\u00f6r\u00fcn ba\u011f\u0131\u015f\u0131kl\u0131k ka\u00e7\u0131\u015f\u0131n\u0131 kolayla\u015ft\u0131rmaktad\u0131r.<\/p>\n
Laboratuvar ortam\u0131nda PYGL ifadesinin bask\u0131lanmas\u0131 (knockdown) deneyleri, genin metabolik fonksiyonlar\u0131n\u0131n do\u011frulanmas\u0131na olanak vermi\u015ftir. PYGL seviyelerindeki azalman\u0131n lactat \u00fcretimini d\u00fc\u015f\u00fcrd\u00fc\u011f\u00fc, bu da genin kanser metabolizmas\u0131nda do\u011frudan rol\u00fcn\u00fc desteklemektedir. Ayr\u0131ca, PYGL ekspresyonu ile t\u00fcm\u00f6r i\u00e7indeki CD8+ T h\u00fccrelerinin say\u0131s\u0131 aras\u0131nda ters y\u00f6nl\u00fc korelasyon tespit edilmi\u015ftir. Bu, PYGL\u2019nin ba\u011f\u0131\u015f\u0131kl\u0131k h\u00fccrelerinin t\u00fcm\u00f6r b\u00f6lgesine ge\u00e7i\u015fini engelledi\u011fine i\u015faret ederek, metabolizma-b\u00fct\u00fcnle\u015fik ba\u011f\u0131\u015f\u0131kl\u0131k d\u00fczenleyici rol\u00fcn\u00fc ortaya koymu\u015ftur.<\/p>\n
\u00c7al\u0131\u015fman\u0131n yenilik\u00e7i y\u00f6nlerinden biri de PYGL\u2019nin bak\u0131r (copper) ba\u011f\u0131ml\u0131 h\u00fccre \u00f6l\u00fcm\u00fc yollar\u0131yla ba\u011flant\u0131s\u0131n\u0131n g\u00f6sterilmesidir. Bu mekanizma hen\u00fcz kanser biyolojisi alan\u0131nda az \u00e7al\u0131\u015f\u0131lm\u0131\u015f olmakla birlikte, PYGL\u2019nin hem metabolik hem de metal iyonu homeostaz\u0131n\u0131 i\u00e7eren h\u00fccre ya\u015fam ve \u00f6l\u00fcm s\u00fcre\u00e7lerinde \u00e7ift y\u00f6nl\u00fc rol\u00fc olabilece\u011fi anla\u015f\u0131lm\u0131\u015ft\u0131r. Bu bulgu, PYGL\u2019nin kanser h\u00fccreleri i\u00e7in hassas bir k\u0131r\u0131lma noktas\u0131 olabilece\u011fini d\u00fc\u015f\u00fcnd\u00fcrmektedir.<\/p>\n
Ara\u015ft\u0131rma ekibi, in silico ila\u00e7 tarama y\u00f6ntemleriyle PYGL hedefli bile\u015fikleri ara\u015ft\u0131rm\u0131\u015f ve elesklomol adl\u0131 bak\u0131r ta\u015f\u0131y\u0131c\u0131 bir molek\u00fcl\u00fc potansiyel tedavi aday\u0131 olarak belirlemi\u015ftir. Elesklomolun PYGL bask\u0131lanm\u0131\u015f h\u00fccrelerde daha etkin oldu\u011fu deneylerde ortaya konmu\u015f, b\u00f6ylece metabolik yolak ve h\u00fccre \u00f6l\u00fcm mekanizmas\u0131n\u0131n e\u015f zamanl\u0131 hedeflenebilece\u011fi kombinasyon tedavisi stratejisine i\u015faret edilmi\u015ftir. Bu y\u00f6ntemlerin klinik uygulamaya ge\u00e7mesi halinde HNSCC tedavisinde \u00f6nemli geli\u015fmeler ya\u015fanabilir.<\/p>\n
Bu ara\u015ft\u0131rma, laktat metabolizmas\u0131n\u0131n t\u00fcm\u00f6r biyolojisi ve ba\u011f\u0131\u015f\u0131kl\u0131k etkile\u015fimlerindeki rol\u00fcn\u00fc derinlemesine anlamam\u0131z\u0131 sa\u011flayan b\u00fct\u00fcnc\u00fcl bir perspektif sunmaktad\u0131r. Geli\u015ftirilen prognostik gen imzas\u0131, klinikte hastalar\u0131n risk s\u0131n\u0131fland\u0131r\u0131lmas\u0131nda kullan\u0131larak ki\u015fiselle\u015ftirilmi\u015f tedavi planlar\u0131n\u0131 destekleyebilir. Buna paralel olarak PYGL\u2019nin fonksiyonlar\u0131n\u0131n ortaya konmas\u0131, metabolik engelleri a\u015farak immunoterapilerin ba\u015far\u0131s\u0131n\u0131 art\u0131rmak ve yeni hedef bazl\u0131 terapi se\u00e7enekleri \u00fcretmek a\u00e7\u0131s\u0131ndan da b\u00fcy\u00fck \u00f6nem ta\u015f\u0131maktad\u0131r.<\/p>\n
\u00c7al\u0131\u015fma ayn\u0131 zamanda multi-omik verilerin ve tek h\u00fccre analizlerinin kanser ekosistemini \u00e7\u00f6zmede ne denli kritik oldu\u011funu g\u00f6stermektedir. Kanser h\u00fccreleri ve t\u00fcm\u00f6r mikro\u00e7evresi aras\u0131ndaki karma\u015f\u0131k etkile\u015fimlerin anla\u015f\u0131lmas\u0131, tedavi hassasiyetini artt\u0131rmak ve tedaviye diren\u00e7 mekanizmalar\u0131n\u0131 a\u015fmak i\u00e7in temel ta\u015f\u0131d\u0131r. B\u00f6yle entegre yakla\u015f\u0131mlar, gelece\u011fin onkolojik uygulamalar\u0131nda standart haline gelerek hasta sa\u011fkal\u0131m\u0131nda \u00e7arp\u0131c\u0131 iyile\u015fmelere \u00f6nc\u00fcl\u00fck edecektir.<\/p>\n
Laktat birikiminin imm\u00fcn sistemi bask\u0131lay\u0131c\u0131 etkileri d\u00fc\u015f\u00fcn\u00fcld\u00fc\u011f\u00fcnde, PYGL\u2019yi inhibe eden ya da laktat metabolizmas\u0131n\u0131 d\u00fczenleyen tedaviler ile anti-t\u00fcm\u00f6r ba\u011f\u0131\u015f\u0131kl\u0131k yan\u0131t\u0131 canland\u0131r\u0131labilir. Bu strateji, metabolik \u201ckontrol noktas\u0131\u201d olarak adland\u0131r\u0131lan hedeflerin t\u00fcm\u00f6r taraf\u0131ndan ka\u00e7\u0131\u015fta kullan\u0131lmas\u0131n\u0131n \u00f6n\u00fcne ge\u00e7meyi ama\u00e7layan g\u00fcncel ba\u011f\u0131\u015f\u0131kl\u0131k terapileri geli\u015ftirme \u00e7abalar\u0131yla \u00f6rt\u00fc\u015fmektedir. Metabolik dengenin normalize edilmesi, t\u00fcm\u00f6r mikro\u00e7evresinin ba\u011f\u0131\u015f\u0131kl\u0131\u011fa uygun hale getirilmesini sa\u011flayabilir.<\/p>\n
PYGL bask\u0131lanmas\u0131n\u0131n elesklomol ile etkinli\u011finin artmas\u0131, bilinen bir ilac\u0131n kanser metabolizmas\u0131na y\u00f6nelik potansiyel kullan\u0131m\u0131n\u0131 g\u00f6stererek ila\u00e7 yeniden konumland\u0131rma alan\u0131nda da umut yaratmaktad\u0131r. Klinik denemelerin planlanmas\u0131, \u00f6zellikle prognostik imza ile y\u00fcksek riskli olarak tespit edilmi\u015f hastalarda bu kombinasyonlar\u0131n test edilmesini zorunlu k\u0131lmaktad\u0131r. Bu ad\u0131mlar, HNSCC tedavisinde paradigmalar\u0131n de\u011fi\u015fmesini tetikleyebilir.<\/p>\n
Son olarak, PYGL\u2019nin bak\u0131r ba\u011f\u0131ml\u0131 h\u00fccre \u00f6l\u00fcm\u00fc mekanizmas\u0131 ba\u011flam\u0131ndaki rol\u00fc, metal iyonu metabolizmas\u0131n\u0131n hedef al\u0131narak ba\u011f\u0131\u015f\u0131kl\u0131k ve metabolizman\u0131n beraberce mod\u00fcle edilebilece\u011fi \u00e7ok a\u015famal\u0131 yakla\u015f\u0131mlara kap\u0131 aralamaktad\u0131r. Kanser biyolojisinin bu \u00e7ok boyutlu yap\u0131s\u0131, \u00e7oklu tedavi hedefleri belirlemeyi gerektirirken, entegre ve kapsaml\u0131 stratejilerin \u00f6nemini vurgulamaktad\u0131r.<\/p>\n
\u00d6zetle, entegre multi-omik analizlerle laktat metabolizmas\u0131n\u0131n HNSCC seyri ve t\u00fcm\u00f6r mikro\u00e7evresindeki ba\u011f\u0131\u015f\u0131kl\u0131k profili \u00fczerindeki kontrol\u00fc ayr\u0131nt\u0131l\u0131 bi\u00e7imde ortaya konmu\u015ftur. PYGL, bu a\u011f\u0131n merkezindeki kritik gen olarak metabolik ak\u0131\u015fkanl\u0131\u011f\u0131, ba\u011f\u0131\u015f\u0131kl\u0131k mod\u00fclasyonunu ve h\u00fccre \u00f6l\u00fcm\u00fcn\u00fc d\u00fczenleyerek yeni nesil tedavi protokollerinin geli\u015ftirilmesinde \u00f6nemli f\u0131rsatlar sunmaktad\u0131r. T\u00fcm\u00f6r metabolizmas\u0131n\u0131n hedeflenmesiyle ba\u011f\u0131\u015f\u0131kl\u0131\u011f\u0131n desteklenmesi, ba\u015f ve boyun kanserlerinde hastalar\u0131n ya\u015fam kalitesi ve sa\u011fkal\u0131mlar\u0131nda kayda de\u011fer iyile\u015fmeler vaat etmektedir.<\/p>\n
—<\/p>\n
**Ara\u015ft\u0131rma Konusu**: Ba\u015f ve boyun skuam\u00f6z h\u00fccreli karsinomunda laktat metabolizmas\u0131 ve t\u00fcm\u00f6r mikro\u00e7evresindeki ba\u011f\u0131\u015f\u0131kl\u0131k ili\u015fkileri<\/p>\n
**Makale Ba\u015fl\u0131\u011f\u0131**: Integrated multi-omics reveal lactate metabolism-related gene signatures and PYGL in predicting HNSCC prognosis and immunotherapy efficacy<\/p>\n
**Web References**:
\nhttps:\/\/doi.org\/10.1186\/s12885-025-13982-8<\/p>\n
**Doi Referans**: 10.1186\/s12885-025-13982-8<\/p>\n
**Resim Credits**: Scienmag.com<\/p>\n
**Anahtar Kelimeler**:
\nKanser biyobelirte\u00e7leri, ba\u015f ve boyun karsinomu, HNSCC prognozu, ba\u011f\u0131\u015f\u0131kl\u0131k evazyonu, laktat metabolizmas\u0131, metabolik yeniden programlanma, multi-omik yakla\u015f\u0131mlar, prognostik gen imzalar\u0131, PYGL geni, hedefe y\u00f6nelik tedaviler, t\u00fcm\u00f6r mikro\u00e7evresi, imm\u00fcnoterapi etkilili\u011fi<\/p>\n","protected":false},"excerpt":{"rendered":"
Son y\u0131llarda kanser ara\u015ft\u0131rmalar\u0131nda metabolik mekanizmalar\u0131n t\u00fcm\u00f6r geli\u015fimindeki kilit rol\u00fc giderek daha fazla ortaya konmaktad\u0131r. Ba\u015f ve boyun skuam\u00f6z h\u00fccreli karsinomu (HNSCC) ise agresif seyri ve tedaviye diren\u00e7li yap\u0131s\u0131yla klinikte zorlu bir kanser tipi olarak \u00f6n plana \u00e7\u0131kmaktad\u0131r. Yeni yay\u0131mlanan kapsaml\u0131 bir BMC Cancer \u00e7al\u0131\u015fmas\u0131, HNSCC\u2019de laktat metabolizmas\u0131 ile t\u00fcm\u00f6r mikro\u00e7evresindeki ba\u011f\u0131\u015f\u0131kl\u0131k dinamikleri aras\u0131ndaki karma\u015f\u0131k…<\/p>\n","protected":false},"author":1,"featured_media":3805,"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":[3040,3041,3043,3042,3039],"tmauthors":[],"class_list":{"0":"post-3804","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-kanser","8":"tag-bas-ve-boyun-skuamoz-hucreli-karsinomu-metabolik-yeniden-programlanma","9":"tag-hnscc-tumor-mikrocevresi-bagisiklik-etkilesimleri","10":"tag-kanser-metabolizmasi-bagisiklik-kacisi-mekanizmalari","11":"tag-laktat-gen-imzasi-prognostik-model","12":"tag-laktat-metabolizmasi-genleri-hnscc-prognostik-degeri"},"jetpack_featured_media_url":"https:\/\/haber360.com\/wp-content\/uploads\/2025\/04\/Laktat-Metabolizmasi-Genleri-HNSCC-Prognostik-Degeri-1745519392.jpg","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/posts\/3804","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=3804"}],"version-history":[{"count":0,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/posts\/3804\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/media\/3805"}],"wp:attachment":[{"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/media?parent=3804"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/categories?post=3804"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/tags?post=3804"},{"taxonomy":"tmauthors","embeddable":true,"href":"https:\/\/haber360.com\/index.php\/wp-json\/wp\/v2\/tmauthors?post=3804"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}