Effects of body temperature on the expression and localization of meiosis-related proteins STRA8 and SCP3 in boar testes
Autor: | Meishan Yue, Qinghong Li, Xiaorui Fan, Gaoya Ren, Xinrong Zhang, Jingwen Zhang, Yihui Liu, Weidong Yue, Junping He |
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Rok vydání: | 2019 |
Předmět: |
Male
0301 basic medicine endocrine system Histology BOAR Swine Retinoic acid Synaptonemal complex protein 3 Biology Body Temperature Andrology 03 medical and health sciences chemistry.chemical_compound 0302 clinical medicine Meiosis Cryptorchidism Testis medicine Animals Adaptor Proteins Signal Transducing urogenital system Nuclear Proteins Cell Biology General Medicine Sertoli cell 030104 developmental biology medicine.anatomical_structure Gene Expression Regulation chemistry 030220 oncology & carcinogenesis Immunohistochemistry Spermatogenesis Germ cell |
Zdroj: | Acta Histochemica. 121:718-723 |
ISSN: | 0065-1281 |
DOI: | 10.1016/j.acthis.2019.06.007 |
Popis: | Body temperature could lead to interruption of spermatogenesis, but the molecular mechanism was still unclear. Cryptorchidism was defined as the failure of testes to enter the scrotum, which exposed the testes to body temperature. Meiosis was a unique feature of germ cell development. Whether cryptorchidism damage the initiation of meiosis in boars had not been reported. The aim of this study was to determine whether spermatogonia in the cryptorchid testes entered into meiosis by detecting meiosis-related markers stimulated by retinoic acid gene 8 (STRA8) and synaptonemal complex protein 3 (SCP3). Three boars with spontaneous unilateral abdominal cryptorchidism were used. The testis located in the abdomen was cryptorchidism group, the scrotal testis of the same animal was used as control. HE results showed that only Sertoli cells, and a few spermatogonia remained in the seminiferous tubules, and no spermatids were seen compared with the control. Immunohistochemistry results showed that in both control and cryptorchidism group, STRA8 was mainly expressed in the nucleus of spermatogonia and spermatocytes. In control group, SCP3 was expressed in the nucleus of spermatocytes. In cryptorchidism group, SCP3 immunopositive cells were also observed. qRT-PCR and Western Blot results showed that the mRNA and protein levels of STRA8 and SCP3 were significantly decreased in cryptorchid boars. The expression of STRA8 and SCP3 in cryptorchidism suggested that spermatogonia could still enter meiosis in cryptorchid boars. |
Databáze: | OpenAIRE |
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