Effects of acute adult and early-in-life bladder inflammation on bladder neuropeptides in adult female rats
2011

Bladder Inflammation Effects on Neuropeptides in Female Rats

Sample size: 6 publication 10 minutes Evidence: moderate

Author Information

Author(s): Amber D Shaffer, Chelsea L Ball, Meredith T Robbins, Timothy J Ness, Alan Randich

Primary Institution: University of Alabama at Birmingham

Hypothesis

How does acute adult and early-in-life bladder inflammation affect bladder neuropeptides in adult female rats?

Conclusion

Bladder inflammation increases neuropeptides CGRP and SP, especially during the proestrus phase of the estrous cycle, and early-life exposure to inflammation can have lasting effects into adulthood.

Supporting Evidence

  • CGRP and SP levels were significantly increased in inflamed rats during proestrus.
  • EIL exposure to bladder inflammation produced lasting increases in CGRP and SP.
  • Estradiol levels were significantly reduced in inflamed rats.

Takeaway

When female rats have bladder inflammation, it makes certain chemicals in their bladders go up, which can make them feel more pain. If they had inflammation when they were young, it can make the problem worse when they grow up.

Methodology

The study involved administering zymosan or anesthesia to adult female rats and measuring bladder content of neuropeptides after 24 hours.

Potential Biases

Potential bias due to the specific strain of rats used and the controlled laboratory conditions.

Limitations

The study primarily focused on female rats, which may limit the generalizability of the findings to other populations.

Participant Demographics

12-14 week old female Sprague-Dawley rats.

Statistical Information

P-Value

p<0.03

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2490-11-18

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