Correlation between : A STROBE-compliant articleSHBG: A STROBE-compliant article gene polymorphism and male infertility in Han population of Henan province of China: A STROBE-compliant article

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Abstract

Human sex hormone binding globulin (SHBG) level alteration and SHBG gene mutations, especially in rs6259 and rs727428 loci, are associated with male infertility. In this study, the rs6259 and rs727428 loci in SHBG gene were detected by polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) to explore the direct relation between these 2 loci and male infertility in Han population of Henan province and to provide information for the pathogenesis, diagnosis, and treatment of male infertility.

A total of 366 male Han individuals in Henan province were enrolled in this study. Of the 366 male individuals, 183 infertility patients were served as infertility group and other 183 normal individuals as a control group. SHBG gene rs6259 and rs727428 locus polymorphisms were detected by PCR-RFLP in all patients. Also, genotype frequencies, allele frequency, and haplotype were all analyzed in both groups.

There were statistical differences in A allele frequency (P = .017) and GA genotype frequency (P = .016) of SHBG gene rs6259 locus and in CC genotype frequency of SHBG gene rs727428 locus (P = .034) between the 2 groups.

Male infertility is associated with GA genotype and A allele of rs6259 locus, as well as CC genotype of rs727428 locus in SHBG gene.

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