並列タイトル等減数分裂停止及びSertoli cell-only syndromeに起因する日本人無精子症患者におけるヒトRAD21L遺伝子の解析に関する研究
タイトル（掲載誌）Human fertility : journal of the British Fertility Society
一般注記Genetic mechanisms are implicated in some cases of male infertility. Recently, it was demonstrated that male mice lacking the gene for RAD21L exhibited azoospermia caused by meiotic arrest. Mouse RAD21L is a functionally relevant meiotic α-kleisin that is essential for male fertility. Therefore, we hypothesized that RAD21L mutations or polymorphisms may be associated with male infertility, especially azoospermia secondary to meiotic arrest. To determine if RAD21L defects are associated with azoospermia in groups of patients with meiotic arrest, we performed direct sequencing of the RAD21L coding regions in 38 Japanese patients with meiotic arrest and in 200 normal controls. Three coding single-nucleotide polymorphisms (SNP1-SNP3) were detected in the meiotic arrest patient group. Sertoli cell-only syndrome is considered a common cause of non-obstructive azoospermia. For comparison, the RAD21L coding regions in which SNP1-SNP3 were detected were sequenced in 140 patients with Sertoli cell-only syndrome. Statistical analyses were used to compare the two groups of patients with the control group. Genotype and allele frequencies of SNP2 and SNP3 were notably higher in the two patient groups compared with the control group (Bonferroni adjusted p value <0.016). These results suggest a critical role for RAD21L in human spermatogenesis.
identifier:PMID：28635411
開始ページ : 217
終了ページ : 220
DOIinfo:doi/10.1080/14647273.2017.1292004.
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