SOX30 is required for male fertility in mice

被引:51
作者
Feng, Chun-Wei Allen [1 ,2 ]
Spiller, Cassy [1 ]
Merriner, Donna J. [3 ]
O'Bryan, Moira K. [3 ]
Bowles, Josephine [1 ,2 ]
Koopman, Peter [2 ]
机构
[1] Univ Queensland, Sch Biomed Sci, Brisbane, Qld, Australia
[2] Univ Queensland, Inst Mol Biosci, Brisbane, Qld, Australia
[3] Monash Univ, Sch Biol Sci, Clayton, Vic, Australia
来源
SCIENTIFIC REPORTS | 2017年 / 7卷
基金
澳大利亚研究理事会; 澳大利亚国家健康与医学研究理事会; 英国医学研究理事会;
关键词
SRY-RELATED GENE; TARGETED DELETION; GERM-CELLS; MOUSE; CREM; EXPRESSION; SPERM; SPERMATOGENESIS; SWITCH; SPERMIOGENESIS;
D O I
10.1038/s41598-017-17854-5
中图分类号
O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];
学科分类号
07 ; 0710 ; 09 ;
摘要
Male infertility is a major and growing problem and, in most cases, the specific root cause is unknown. Here we show that the transcription factor SOX30 plays a critical role in mouse spermatogenesis. Sox30-null mice are healthy and females are fertile, but males are sterile. In the absence of Sox30 meiosis initiates normally in both sexes but, in males, germ cell development arrests during the post-meiotic round spermatid period. In the mutant testis, acrosome and axoneme development are aberrant, multinucleated germ cells (symplasts) form and round spermatids unable to process beyond step 3 of spermiogenesis. No elongated spermatids nor spermatozoa are produced. Thus, Sox30 represents a rare example of a gene for which loss of function results in a complete arrest of spermatogenesis at the onset of spermiogenesis. Our results suggest that SOX30 mutations may underlie some instances of unexplained non-obstructive azoospermia in humans.
引用
收藏
页数:12
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