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Updated: Jul 19, 2026

Detecting Estrogenic Ligands in Personal Care Products using a Yeast Estrogen Screen Optimized for the Undergraduate Teaching Laboratory
Published on: January 1, 2018
[Estrogenic activities of parabens]
1Institute of Occupational Health and Poisoning Control, China CDC, Beijing 100050, China.
Parabens, used in food and cosmetics, exhibit weak estrogenic activity. These endocrine-disrupting chemicals negatively impact reproductive health in vivo, affecting fertility and offspring development.
Area of Science:
- Endocrinology
- Toxicology
Context:
- Parabens are widely used as antimicrobial preservatives in food, cosmetics, and pharmaceuticals.
- Concerns exist regarding their potential endocrine-disrupting properties.
Purpose:
- To investigate the estrogenic activity and reproductive effects of parabens.
- To assess the impact of parabens on reproductive parameters in vivo and in vitro.
Summary:
- Parabens demonstrated a positive uterotrophic response in vivo.
- Adverse effects observed include damage to spermatogenesis, altered offspring viability and body weight, and reduced sperm count and motility in male offspring.
- Parabens competitively bind to estrogen receptors and promote proliferation of estrogen-dependent cell lines (MCF-7, ZR-75-1), increasing estrogen-regulated gene expression.
Impact:
- These findings highlight the weak estrogenic nature of parabens and their potential to disrupt reproductive health.
- The study underscores the need for further evaluation of paraben safety in consumer products.
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