TRAIL-Decoy Receptor 1 Plays Inhibitory Role in Apoptosis of Granulosa Cells from Pig Ovarian Follicles

Journal of Veterinary Medical Science

Toshikatsu MATSUI¹  Satoko WADA¹  Noboru MANABE¹  Mizuho NAKAYAMA¹  Hajime MIYAMOTO¹  Naoko INOUE¹ 

[1] Unit of Anatomy and Cell Biology, Department of Animal Sciences, Kyoto University

关键词: apoptosis;    follicular atresia;    granulosa cell;    swine ovary;    TRAIL-decoy receptor 1;   

DOI  :  10.1292/jvms.64.435

学科分类：兽医学

来源: Japanese Society of Veterinary Science

【 摘 要 】

References(35)Cited-By(16)Previously, we histochemically examined the localization of tumor necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) and its receptors in porcine ovarian follicles, and demonstrated a marked reduction in the expression of TRAIL-decoy receptor-1 (DcR1) in granulosa cells of atretic follicles. In the present study, to confirm the inhibitory activity of DcR1 in granulosa cells, granulosa cells prepared from healthy follicles were treated with phosphatidylinositol-specific phospholipase C (PI-PLC) to cleave glycophospholipid anchor of DcR1 and to remove DcR1 from the cell surface, and then incubated with TRAIL. PI-PLC treatment increased the number of apoptotic cells induced by TRAIL. The present finding indicated the possibility that TRAIL and its receptors were involved in induction of apoptosis in granulosa cells during atresia, and that DcR1 plays an inhibitory role in granulosa cell apoptosis.

【 授权许可】

Unknown