• PMID: 30488758
• Gene Name: SEPTIN12
• Condition: Male infertility with non-obstructive azoospermia
• Association: Associated
• Mutation: c.673C>A/p.Gln225Lys
• Population size: 200
• Population details: 200 patients with non-obstructive azoospermia
• Sex: Male
• Infertility type: Male infertility
• Other associated phenotypes: Male infertility with non-obstructive azoospermia

Association of single nucleotide polymorphism c.673C>A/p.Gln225Lys in SEPT12 gene with spermatogenesis failure in male idiopathic infertility in Northeast China

Geng D, Yang X, Zhang H, Liu X, Yu Y, Jiang Y, Liu R, Zhang G.

Male infertility is a complex multifactorial disease affecting approximately 10% of couples who want to have children. Some cases of infertility can be explained by genetic factors. Septins are members of the GTPase superfamily, which are involved in diverse biological processes including morphogenesis, compartmentalization, cytokinesis, and apoptosis. The septin 12 gene, SEPT12, is expressed exclusively in post-meiotic male germ cells and is considered as a critical gene for spermatogenesis. In this study, we evaluated 200 patients with non-obstructive azoospermia and detected mutations of 25 spermatogenesis-associated genes by targeted exome sequencing. We report a missense SEPT12 variant, c.673C>A/p.Gln225Lys, in an infertile man with non-obstructive azoospermia. The variation was located inside the GTPase domain and had a SIFT score of 0.02 (<0.50) and was considered to be 'probably damaging' by PolyPhen. This case may provide clues to help establish the relationship between SEPT12 gene alterations and some cases of idiopathic male infertility. The role of this variant should thus be investigated further. FAU - Geng, Dongfeng AU - Geng D AD - 1 Center for Reproductive Medicine, Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China. FAU - Yang, Xiao AU - Yang X AD - 1 Center for Reproductive Medicine, Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China. FAU - Zhang, Hongguo AU - Zhang H AD - 1 Center for Reproductive Medicine, Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China. FAU - Liu, Xiaojun AU - Liu X AD - 2 Peking Medriv Academy of Genetics and Reproduction, Peking, China. FAU - Yu, Yang AU - Yu Y AD - 1 Center for Reproductive Medicine, Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China. FAU - Jiang, Yuting AU - Jiang Y AD - 1 Center for Reproductive Medicine, Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China. FAU - Liu, Ruizhi AU - Liu R AD - 1 Center for Reproductive Medicine, Center for Prenatal Diagnosis, The First Hospital of Jilin University, Changchun, Jilin, China. AD - *These authors contributed equally to this work.