Thyroid Disruption by Phthalates in Xenopus laevis
Author Information
Author(s): Shen Ouxi, Wu Wei, Du Guizhen, Liu Renping, Yu Lugang, Sun Hong, Han Xiumei, Jiang Yi, Shi Wei, Hu Wei, Song Ling, Xia Yankai, Wang Shoulin, Wang Xinru
Primary Institution: The Center for Disease Control and Prevention of Suzhou Industrial Park, Suzhou, China
Hypothesis
DBP and MBP disrupt the thyroid hormone system in Xenopus laevis.
Conclusion
DBP and MBP can disrupt thyroid signaling, which may pose risks to human health.
Supporting Evidence
- DBP and MBP exposure led to a concentration-dependent inhibition of metamorphosis in tadpoles.
- Significant changes in gene expression related to thyroid hormone signaling were observed.
- DBP and MBP enhanced interactions between co-repressor SMRT and thyroid hormone receptors.
Takeaway
This study found that certain chemicals can mess with the hormones that help frogs grow, which could be bad for humans too.
Methodology
Xenopus laevis tadpoles were exposed to DBP and MBP for 21 days, and various morphological and molecular endpoints were assessed.
Potential Biases
Potential bias in the selection of concentrations and endpoints measured.
Limitations
The study primarily focused on a single species and specific chemicals, which may limit the generalizability of the findings.
Participant Demographics
Xenopus laevis tadpoles, specifically Nieuwkoop and Faber stage 51.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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