AXIN2 Varyasyonları ve T-ALL Riski ile İlişkisi

Amaç: Bozulmuş WNT sinyal iletisi, T-ALL ve birçok diğer kanserde gösterilmiştir. AXIN2, aktif WNT sinyalinin negatif yönde düzenleyicisidir ve AXIN2 gen varyasyonları artmış kanser riski ile ilişkilendirilmiştir. Bu çalışmada, T-ALL hastalarında AXIN2 varyasyonlarının belirlenmesi ve klinik belirteçlerle birlikte değerlendirilmesi hedeflenmiştir. Yöntem: Yeni tanı, 32 T-ALL hastası retrospektif olarak çalışmaya dahil edilmiştir. AXIN2 geninin kodlayan bölgeleri PZR ile çoğaltılmış ve sonrasında denatüre edici yüksek performanslı likit kromatografi yöntemi (dHPLC) ile taranmıştır. dHPLC’de farklı kromatogram bulgusuna sahip örnekler Sanger dizileme yöntemi ile değerlendirilmiştir. Bulgular: Hastaların hiçbirinde patojenik varyant belirlenmemiştir. Bunun yanında, 14 (43,7%) T-ALL hastasında AXIN2 polimorfizmleri, rs2240308/rs1133683/rs9915936 belirlenmiştir. T-ALL hastalarında kontrol örneklerine göre rs2240308 ve rs1133683 varyasyonlarının genotip dağılımları anlamlı farklılık göstermiştir (rs2240308, GG/GA p=0.029; rs1133683, GG/GA p

Anahtar Kelimeler:

Akut lenfoblastik lösemi, AXIN2, varyasyon, WNT

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