Atrazine and Its Effects on Endocrine Systems in Fish and Mammals
Author Information
Author(s): Suzawa Miyuki, Ingraham Holly A.
Primary Institution: University of California San Francisco
Hypothesis
Does atrazine activate NR5A nuclear receptors and alter endocrine gene networks in fish and mammalian cells?
Conclusion
Atrazine exposure significantly increases aromatase levels and alters the sex ratio in zebrafish, indicating its potential as an endocrine disruptor.
Supporting Evidence
- Atrazine exposure increased the expression of zcyp19a1 in zebrafish.
- Chronic exposure to atrazine resulted in a higher ratio of female to male fish.
- Atrazine activated NR5A receptors in mammalian cell lines.
- Endocrine-related genes were upregulated in response to atrazine treatment.
Takeaway
Atrazine, a common herbicide, can change how fish develop by affecting their hormones, making more females than males.
Methodology
Zebrafish were exposed to atrazine, and gene expression was measured using quantitative PCR.
Potential Biases
Potential bias in interpreting results due to the focus on specific endocrine pathways.
Limitations
The study primarily focused on zebrafish and may not fully represent effects in other species.
Participant Demographics
Zebrafish (Danio rerio) were used as the model organism.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
Want to read the original?
Access the complete publication on the publisher's website