期刊
ANIMAL SCIENCE JOURNAL
卷 93, 期 1, 页码 -出版社
WILEY
DOI: 10.1111/asj.13760
关键词
follicle development; granulosa cells; melatonin
资金
- Young Mentors Fund Projects of Gansu Agricultural University [GAU-QDFC-2019-07]
The study found that EGFR, COL1A1, and CAV1 expression levels were highest in large follicles during sheep follicular development. In addition, COL1A1 and CAV1 were at least partially regulated by MLT through MT1 and MT2 pathways, while EGFR was not affected.
We investigated the expression of epidermal growth factor receptor (EGFR), Type I collagen alpha 1 chain (COL1A1), and caveolin 1 (CAV1) during follicular development and examined the regulatory role of melatonin (MLT) on EGFR, COL1A1, and CAV1 in sheep antral ovaries. The expression was detected in granulosa and theca cells by immunohistochemistry. Quantitative real-time polymerase chain reaction and Western blotting were used to examine the expression levels of EGFR, COL1A1, and CAV1 in small (<= 2 mm), medium (2-5 mm), and large (?5 mm) follicles. The mRNA and protein levels of EGFR, COL1A1, and CAV1 were found to be the highest in large follicles. Furthermore, cultured granulosa cells were treated with MLT (10(-7)-10(-11) M), luzindole (nonselective MT1 and MT2 receptor antagonist, 10(-7 )M), and 4-phenyl-2-propanamide tetraldehyde (4P-PDOT, MT2 selective antagonist, 10(-7 )M) to detect the regulatory role of MLT on EGFR, COL1A1, and CAV1. Results indicated COL1A1 and CAV1 were at least partially regulated by MLT through MT1 and MT2 pathways, whereas EGFR was not. This study provided a reference for further studies on MLT regulatory role on EGFR, COL1A1, and CAV1 during sheep follicular development and elucidated the physiological mechanism of MLT regulator production.
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