Publication:
Morphological rearrangement of the cortical region, in aging ovaries

Thumbnail Image
Files
Diaz-Hernandez-34-775-789-2019.pdf(42.55 MB)
Date
2019
relationships.isAuthorOfPublication
relationships.isSecondaryAuthorOf
relationships.isDirectorOf
Authors
Díaz Hernández, Verónica ; Caldelas, Ivette ; Montaño, Luis M. ; Merchant Larios, Horacio
item.page.secondaryauthor
item.page.director
Publisher
Universidad de Murcia. Departamento de Biología Celular e Histología
publication.page.editor
publication.page.department
DOI
DOI: 10.14670/HH-18-078
item.page.type
info:eu-repo/semantics/article
Description
Abstract
The ovary is a structurally dynamic organ that alters with age. Modifications in the paracrine status influence the capacity of aging oocytes to develop normal embryos. Despite the importance of understanding the cellular and molecular mechanism involved in the process of ovarian aging, histological changes remain poorly understood. Correlating the process of folliculogenesis and somatic cell function during ovarian aging is essential to explain the reproductive decline of aged mammalian species, including humans. Here, we performed a morphological and immunohistological study on the ovaries of chinchilla rabbits that varied in age from one to 34-months. The spatiotemporal expression of the cholesterol side-chain cleavage cytochrome P450scc (CYP11A) and the smooth muscle actin (SMA) were analyzed. A significant histological rearrangement of immunodetected cells in theca interna, theca externa and the interstitial tissue around the follicles occurred. The expression of CYP11A1 decreased considerably in antral follicles of aging ovaries. Moreover, we found that the secondary interstitial gland developed extensively, and a remarkable rearrangement of the surface epithelium occurred in aging ovaries. In contrast to ovaries during the reproductive period, the immunohistological changes demonstrate that the interstitial gland became the most abundant tissue during the aging of ovaries. Thus, the current study provides new data for understanding the alteration of somatic cell function in elderly ovaries and how this affects their declined fertility.
publication.page.subject
Aging ovary , Interstitial gland , Theca cells , Cyp11a1 , Smooth muscle actin
Citation
Histology and Histopathology, Vol.34, nº7, (2019)
URI
http://hdl.handle.net/10201/122127
item.page.embargo
Collections
Histology and histopathology Vol.34, nº7 (2019)
Ir a Estadísticas