Fig. 2From: Preliminary study showing no association between G238A (rs361525) tumor necrosis factor-α (TNF-α) gene polymorphism and its serum level, hormonal and biochemical aspects of polycystic ovary syndromeNested PCR products gel: The gel photograph represents the amplified fragments of promoter region carrying G238A in TNF-α gene by semi nested PCR. Lane 1: 50 bp ladder size marker; lanes 2, 3, and 4: 151-bp PCR product (semi-nested PCR); Lane 5: no template controlBack to article page