Background: Tumor Necrosis Factor Alpha (TNF-α) gene, as an inflammatory factor, plays an important role in reproductive physiology, especially in women with Polycystic Ovary Syndrome (PCOS). Objective: This study aims to investigate the relationship between the -1031 T/C polymorphism of TNF-α gene and biochemical factors in women with PCOS. Methods: In this case-control study, participants w...

Background and purpose: Gastric cancer is the most common cancer associated with high mortality worldwide. One of the genes that is down-regulated in gastric cancer, is the SIRT3 that encodes the histone deacetylase enzyme. There is a variable number tandem repeat (VNTR) polymorphism in the intron 5 of SIRT3 gene and evidence shows that expression of SIRT3 gene increases by increase in the numb...

Abstract: Background and Aim: The increasing incidence of infertility is alarming. About 10-30% of infertility are classified as Unexplained Infertility (UI) which is not an absolute clinical condition. TGF-b1 is multifunctional cytokine and produced mainly by T regulatory (Treg) lymphocytes. This cytokine plays important roles in physiology of normal pregnancy. The association of Single...

Background: Leptin is an adipokine made by fat cells and plays a key role in proliferation, cell survival, migration and immune response. Several studies have suggested that individuals with high serum leptin concentrations would increase the risk of breast cancer. G -2548A polymorphism in the leptin gene is located in the promoter region and is associated with the change of leptin serum level....

Background and purpose: Non-alcoholic fatty liver disease (NAFLD) is the major reason for abnormal liver function and is associated with obesity. Omentin (ITLN1) gene is highly expressed in visceral adipose tissue. The plasma omentin level is inversely correlated with obesity and serum omentin is elevated in patients with fatty liver diseases. This study investigated the association between Val...