Genes Influencing Circadian Differences in Blood Pressure in Hypertensive Mice
2011

Genes Influencing Blood Pressure Differences in Hypertensive Mice

Sample size: 18 publication 10 minutes Evidence: moderate

Author Information

Author(s): Marques Francine Z., Campain Anna E., Davern Pamela J., Yang Yee Hwa J., Head Geoffrey A., Morris Brian J.

Primary Institution: The University of Sydney

Hypothesis

What genes are responsible for the circadian variation in blood pressure in hypertensive mice?

Conclusion

The study identified 212 genes in the hypothalamus that differ in expression between peak and trough blood pressure in hypertensive mice, which may help understand the morning surge in blood pressure in humans.

Supporting Evidence

  • 212 genes were identified that differ in expression between peak and trough blood pressure.
  • Genes like arginine vasopressin and oxytocin were found to be involved in blood pressure regulation.
  • The study highlights the importance of the hypothalamus in controlling blood pressure variations.

Takeaway

Scientists found that certain genes in mice change how blood pressure works throughout the day, which might help us understand why some people have high blood pressure in the morning.

Methodology

Hypothalamic tissue was collected from hypertensive and normotensive mice at peak and trough blood pressure, followed by gene expression analysis using microarrays and qPCR.

Limitations

The study's findings may not directly translate to humans due to the challenges of obtaining human hypothalamic tissue.

Participant Demographics

Adult BPH/2J and BPN/3J mice aged 19-26 weeks.

Statistical Information

P-Value

p<0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0019203

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