Rat ovarian follicle bioassay reveals adverse effects of cadmium chloride (CdCl2) exposure on follicle development and oocyte maturation

Toxicology and Industrial Health
Xuying WanTianbao Zhang

Abstract

Rat ovarian follicle culture, as a novel bioassay, is adopted in this study to explore the effects of cadmium chloride (CdCL(2)) on folliculogenesis and oocyte maturation in vitro; the feasibility for its application on detection of possible effects of chemicals on reproduction is discussed and evaluated as well. The results showed that follicle growth, differentiation, and steroidogenesis were significantly disturbed by ≥ 1.2 μg/mL CdCl(2). The germinal vesicle breakdown of oocyte was also disturbed dose-dependently after the culture follicles were exposed to ≥ 1.6 μg/mL CdCl(2). Exposure to CdCl(2) with concentrations of 1.6 μg/mL on day 2 had caused significant reduced (p < 0.05) survival rate and rate of antral follicles, and increased abnormal follicle rate significantly, compared to the group exposed on day 6. Rat preantral follicle culture is a potential tool to assess the hazards of chemical compounds on female fertility and can be used to elucidate their mechanisms of actions.

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Citations

Jun 6, 2014·Biological Trace Element Research·S V S Rana
Jan 23, 2016·The Anatomical Record : Advances in Integrative Anatomy and Evolutionary Biology·Fuyin HouYuling Mi
Mar 16, 2019·Zygote : the Biology of Gametes and Early Embryos·Denise Damasceno GuerreiroAna Paula Ribeiro Rodrigues
Dec 31, 2017·Food and Chemical Toxicology : an International Journal Published for the British Industrial Biological Research Association·Jin LiuWenchang Zhang
May 22, 2021·Ecotoxicology and Environmental Safety·Guofeng XuMeng Yang

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