Atrazine and Its Effects on Aromatase Expression
Author Information
Author(s): Fan Wu, Qiang Yanase, Hidetaka Morinaga, Shigeki Gondo, Taijiro Okabe, Masatoshi Nomura, Tomoko Komatsu, Ken-Ichirou Morohashi, Tyrone B. Hayes, Ryoichi Takayanagi, Hajime Nawata
Primary Institution: Kyushu University
Hypothesis
Is SF-1 required for atrazine-induced aromatase expression?
Conclusion
Atrazine increases aromatase expression through SF-1, which may contribute to reproductive cancers in humans and wildlife.
Supporting Evidence
- Atrazine-responsive cells showed 54 times more SF-1 than non-responsive cells.
- Atrazine induced binding of SF-1 to chromatin.
- Exogenous SF-1 made non-responsive cells responsive to atrazine.
- Only atrazine, simazine, and benzopyrene induced luciferase activity via the aromatase promoter.
- Atrazine is a ligand for the SF-1 receptor.
Takeaway
Atrazine, a common herbicide, can make cells produce more estrogen by affecting a specific protein called SF-1, which might lead to health problems like cancer.
Methodology
The study involved comparing SF-1 expression in atrazine-responsive and non-responsive cell lines, using luciferase assays to measure aromatase activity, and conducting binding studies.
Limitations
The study primarily focused on specific cell lines and may not fully represent all biological contexts.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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