Transient Gastric Irritation in the Neonatal Rats Leads to Changes in Hypothalamic CRF Expression, Depression- and Anxiety-Like Behavior as Adults
2011

Gastric Irritation in Baby Rats Affects Adult Behavior

Sample size: 20 publication 10 minutes Evidence: moderate

Author Information

Author(s): Liu Liansheng, Li Qian, Sapolsky Robert, Liao Min, Mehta Kshama, Bhargava Aditi, Pasricha Pankaj J.

Primary Institution: Stanford University Medical Center

Hypothesis

Psychological morbidity in functional bowel disorders may result from gastrointestinal problems, rather than causing them.

Conclusion

Transient gastric irritation in neonatal rats leads to long-lasting increases in depression- and anxiety-like behaviors and changes in the hypothalamic CRF expression.

Supporting Evidence

  • Behavioral tests showed increased anxiety- and depression-like behaviors in rats treated with iodoacetamide.
  • CRF expression was significantly higher in the hypothalamus of IA-treated rats compared to controls.
  • The study suggests a link between early gastrointestinal issues and later psychological problems.

Takeaway

If baby rats have stomach problems, they might feel sad or anxious when they grow up.

Methodology

Neonatal gastric irritation was induced in male rats, followed by behavioral tests to assess depression and anxiety.

Limitations

The study was conducted on rats, which may not fully represent human conditions.

Participant Demographics

Male Sprague-Dawley rats were used in the experiments.

Statistical Information

P-Value

p<0.001

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0019498

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