Monohaloacetic acid drinking water disinfection by-products inhibit follicle growth and steroidogenesis in mouse ovarian antral follicles in vitro

Clara H. Jeong, Liying Gao, Tyler Dettro, Elizabeth D. Wagner, William A. Ricke, Michael J. Plewa, Jodi A. Flaws

Research output: Contribution to journalArticlepeer-review

Abstract

Water disinfection greatly reduced the incidence of waterborne diseases, but the reaction between disinfectants and natural organic matter in water leads to the formation of drinking water disinfection by-products (DBPs). DBPs have been shown to be toxic, but their effects on the ovary are not well defined. This study tested the hypothesis that monohalogenated DBPs (chloroacetic acid, CAA; bromoacetic acid, BAA; iodoacetic acid, IAA) inhibit antral follicle growth and steroidogenesis in mouse ovarian follicles. Antral follicles were isolated and cultured with either vehicle or DBPs (0.25-1.00 mM of CAA; 2-15 μM of BAA or IAA) for 48 and 96 h. Follicle growth was measured every 24 h and the media were analyzed for estradiol levels at 96 h. Exposure to DBPs significantly inhibited antral follicle growth and reduced estradiol levels compared to controls. These data demonstrate that DBP exposure caused ovarian toxicity in vitro.

Original languageEnglish (US)
Pages (from-to)71-76
Number of pages6
JournalReproductive Toxicology
Volume62
DOIs
StatePublished - Jul 1 2016
Externally publishedYes

Keywords

  • Disinfection by-products
  • Folliculogenesis
  • Haloacetic acids
  • Ovary
  • Steroidogenesis

ASJC Scopus subject areas

  • Toxicology

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