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Atrazine exposure decreases cell proliferation in Chinese Hamster Ovary (CHO-K1) cell line
I Kmetic1, V Gaurina Srcek, I Slivac
1Faculty of Food Technology and Biotechnology, University of Zagreb, Pierotti St 6, 10000, Zagreb, Croatia.
Abstract:
The aim of this study was to determine the toxic effect of atrazine at the ovarian cellular level. Chinese Hamster Ovary (CHO-K1) cell line was used to evaluate the degree of in vitro atrazine cytotoxicity and the morphological changes were followed during the cell death. Application of four bioassays confirmed that atrazine decreases ovarian cell proliferation and IC(50) were determined with each assay after 72 h of exposure. The level of apoptosis in atrazine treated cells was low.
Insights
Atrazine exposure reduced ovarian cell proliferation in vitro. This study investigated atrazine
Area of Science:
- Toxicology
- Cell Biology
- Reproductive Science
Background:
- Atrazine is a widely used herbicide.
- Potential endocrine-disrupting effects of atrazine are a concern.
- Ovarian toxicity requires further investigation.
Purpose of the Study:
- To determine the toxic effects of atrazine on ovarian cells.
- To evaluate in vitro cytotoxicity and morphological changes.
- To assess the impact on ovarian cell proliferation and apoptosis.
Main Methods:
- Utilized Chinese Hamster Ovary (CHO-K1) cell line.
- Applied four distinct bioassays to assess cytotoxicity.
- Measured cell proliferation and morphological changes over 72 hours.
- Quantified the level of apoptosis in treated cells.
Main Results:
- Atrazine significantly decreased ovarian cell proliferation.
- Half maximal inhibitory concentration (IC50) values were determined for atrazine.
- Morphological changes indicated cell death.
- The level of apoptosis in atrazine-treated cells was low.
Conclusions:
- Atrazine exhibits cytotoxic effects on ovarian cells in vitro.
- Atrazine impairs ovarian cell proliferation.
- Further research is needed to understand the mechanisms of atrazine-induced ovarian toxicity, especially given the low apoptosis levels observed.
