• SANDHYA SUNDARAM

Articles written in Journal of Genetics

• Study on the SFRP4 gene polymorphism and expression in prostate cancer

Prostate cancer is a heterogeneous disease and considered to be the most commonly diagnosed cancer. SFRP4 gene acts as Wnt antagonist in the Wnt signalling pathway, thereby playing an important role in carcinogenesis. The aim of the present study was to investigate two single-nucleotide polymorphisms: c.958 C>A (rs1802073) and c.1019 G>A (rs1802074) in the SFRP4 gene and itsexpression in prostate cancer. A sample size of 100 cases and 100 age-matched controls were recruited for the study. Statistical analysis revealed the heterozygous GA genotype of rs1802074 significantly increased in cases when compared to controls. Analysis of sFRP4 expression based on the genotypes showed a significantly increased expression for the heterozygous GA and homozygous AA genotypes incases when compared to the controls. Fold change was calculated using 2-$\Delta$$\Delta$CT method and the results showed that there were a 3.4 and 4.5fold increase in the sFRP4 expression for GA and AA genotypes, respectively. Our results suggest that the rs1802074 polymorphism in SFRP4 gene may be associated with the risk of prostate cancer.

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