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Study of spermatogenic and Sertoli cells in the Hu sheep testes at different developmental stages

文献类型： 外文期刊

作者： Su, Jie 1 ; Yang, Yanyan 3 ; Zhao, Feifei 2 ; Zhang, Yue 2 ; Su, Hong 2 ; Wang, Daqing 3 ; Li, Kuo 2 ; Song, Yongli 4 ; Cao, Guifang 2 ;

作者机构： 1.Inner Mongolia Med Univ, Dept Psychosomat Med, Hohhot, Peoples R China

2.Inner Mongolia Agr Univ, Inner Mongolia Key Lab Basic Vet Sci, Hohhot, Peoples R China

3.Inner Mongolia Acad Agr & Anim Husb Sci, Hohhot, Peoples R China

4.Inner Mongolia Univ, Res Ctr Anim Genet Resources Mongolia Plateau, Hohhot, Peoples R China

5.Inner Mongolia Univ, Res Ctr Anim Genet Resources Mongolia Plateau, Hohhot 010021, Peoples R China

6.Inner Mongolia Agr Univ, Inner Mongolia Key Lab Basic Vet Sci, Hohhot 010018, Peoples R China

关键词： blood-testes barrier; Hu sheep; Sertoli cell; spermatocytes; spermatogonia; testes

期刊名称：FASEB JOURNAL （ 影响因子：4.8； 五年影响因子：5.2 ）

ISSN： 0892-6638

年卷期： 2023 年 37 卷 8 期

页码：

收录情况： SCI

摘要： Spermatogenesis is a highly organized process by which undifferentiated spermatogonia self-renew and differentiate into spermatocytes and spermatids. The entire developmental process from spermatogonia to sperm occurs within the seminiferous tubules. Spermatogenesis is supported by the close interaction of germ cells with Sertoli cells. In this study, testicular tissues were collected from Hu sheep at 8 timepoints after birth: 0, 30, 90, 180, 270, 360, 540, and 720 days. Immunofluorescence staining and histological analysis were used to explore the development of male germ cells and Sertoli cells in the Hu sheep testes at these timepoints. The changes in seminiferous tubule diameter and male germ cells in the Hu sheep testes at these different developmental stages were analyzed. Then, specific molecular markers were used to study the proliferation and differentiation of spermatogonia, the timepoint of spermatocyte appearance, and the maturation and proliferation of Sertoli cells in the seminiferous tubules. Finally, the formation of the blood-testes barrier was studied using antibodies against the main components of the blood-testes barrier, beta-catenin, and ZO-1. These findings not only increased the understanding of the development of the Hu sheep testes, but also laid a solid theoretical foundation for Hu sheep breeding.

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