PMID: 22574369May 12, 2012Paper

Decreased mRNA expressions of T-type channel alpha1H and alpha1G in the sperm of varicocele patients and their implication

Zhonghua nan ke xue = National journal of andrology
Shi-Ping WangXin-Sheng Wang

Abstract

To study the relationship of varicocele (VC) with the expressions of T-type channel alpha1H and alpha1G in the sperm of VC patients. Based on the WHO criteria, we examined the semen samples by computer-aided sperm analysis (CASA), and divided the samples into groups A (normal semen from volunteers, n = 20), B (normal semen from VC patients, n = 16) and C (abnormal semen from VC patients, n = 44). We optimized the semen by discontinuous Percoll grade centrifugation, and determined the mRNA expressions of T-type channel alpha1H and alpha1G in the three groups using using reverse transcription polymerase chain reaction (RT-PCR). Compared with group A, the mRNA expressions of alpha1H and alpha1G showed with no significant decrease in group B (P>0.05), but were remarkably reduced in group C (P<0.01). The abnormal mRNA expressions of T-type channel alpha1H and alpha1G may be one of the causes of declined semen quality and consequently infertility in VC patients, which has pointed out a new direction for the studies of the causes and treatment of VC-related infertility.

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