期刊
DEVELOPMENTAL DYNAMICS
卷 250, 期 7, 页码 922-931出版社
WILEY
DOI: 10.1002/dvdy.299
关键词
sertoli cell; sex development; spermatogenesis
资金
- National Health and Medical Research Council Australia [APP1120356]
This study reveals that Scrn1 is dispensable for male fertility, but identifies SCRN1 as a novel marker of the Sertoli cell cytoplasm.
Background Male infertility is a prevalent clinical presentation for which there is likely a strong genetic component due to the thousands of genes required for spermatogenesis. Within this study we investigated the role of the gene Scrn1 in male fertility. Scrn1 is preferentially expressed in XY gonads during the period of sex determination and in adult Sertoli cells based on single cell RNA sequencing. We investigated the expression of Scrn1 in juvenile and adult tissues and generated a knockout mouse model to test its role in male fertility. Results Scrn1 was expressed at all ages examined in the post-natal testis; however, its expression peaked at postnatal days 7-14 and SCRN1 protein was clearly localized to Sertoli cells. Scrn1 deletion was achieved via removal of exon 3, and its loss had no effect on male fertility or sex determination. Knockout mice were capable of siring litters of equal size to wild type counterparts and generated equal numbers of sperm with comparable motility and morphology characteristics. Conclusions Scrn1 was found to be dispensable for male fertility, but this study identifies SCRN1 as a novel marker of the Sertoli cell cytoplasm.
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