RDX Induces Aberrant Expression of MicroRNAs in Mouse Brain and Liver
2009

RDX Affects MicroRNA Expression in Mice

Sample size: 21 publication 10 minutes Evidence: moderate

Author Information

Author(s): Zhang Baohong, Pan Xiaoping

Primary Institution: East Carolina University

Hypothesis

Exposure to RDX would induce alterations in miRNA expression, contributing to carcinogenesis.

Conclusion

Environmental toxicant exposure alters the expression of a suite of miRNAs.

Supporting Evidence

  • RDX exposure induced significant changes in miRNA expression profiles.
  • A total of 113 miRNAs showed significantly altered expression patterns after RDX exposure.
  • Many aberrantly expressed miRNAs were related to various cancers and neurotoxicity.
  • Brain tissues exhibited a greater number of miRNAs with expression alterations compared to liver tissues.

Takeaway

When mice were fed a chemical called RDX, it changed the way certain tiny molecules called miRNAs worked in their brains and livers, which might affect their health.

Methodology

B6C3F1 mice were fed diets with or without 5 mg/kg RDX for 28 days, and miRNA expression was analyzed using microarray and qRT-PCR.

Potential Biases

Potential bias in the selection of miRNAs and the interpretation of their roles in carcinogenesis.

Limitations

The study primarily focuses on a single toxicant and its effects on specific miRNAs without exploring long-term impacts.

Participant Demographics

Female, virgin B6C3F1 mice, aged 9–11 weeks.

Statistical Information

P-Value

p<0.01

Statistical Significance

p<0.01

Digital Object Identifier (DOI)

10.1289/ehp.11841

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