Öz
Amaç
Diyabetik kardiyomiyopati (DKM), karmaşık patofizyolojik olaylarla karakterizedir. miRNA’lar DKM’de rol oynamaktadır. Çalışmamızda sıçanlarda streptozotosin ile oluşturulan diyabet modelinde miRNA’ların DKM'nin tanı ve tedavisinde biyobelirteç olarak potansiyeli değerlendirildi.
Yöntemler
Bu nedenle, sıçan kalp dokusundan elde edilen miRNA’lar mikroarray ile analiz edildi ve on iki miRNA’nın (rno-miR-200c-3p, rno-miR-129-5p, rno-miR-150-3p, rno-miR-3584-5p, rno-miR-34c-3p, rno-miR-342-3p, rno-miR-466b-3p, rno-miR-466c-3p, rno-miR-31a-3p, rno-miR-15b-5p, rno- miR-196b-3p ve rno-miR-208a-5p) değişen ekspresyon seviyeleri gerçek zamanlı polimeraz zincir reaksiyonu analizi ile doğrulandı.
Bulgular
Doğrulama sonucunda, üç miRNA’nın (rno-miR-15b-5p, rno-miR-196b-3p ve rno-miR-208a-5p) downregüle olduğu ve bir miRNA’nın (rno-miR-200c-3p) upregüle olduğu belirlendi (p<0.05). miR-15b-5p, miR-196b-3p, miR-200c-3p ve miR-208a-5p, DKM’nin düzenlenmesinde yer almakta ve GRAP2 geni, bu miRNA’ların olası hedeflerinden biridir.
Sonuç
miR-200c-3p tanısal değere sahiptir ve biyobelirteç adayı olabilir.
Anahtar Kelimeler: Diyabetik kardiyomiyopati, miRNA ekspresyonu, biyobelirteç, streptozotosin
Kaynakça
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