Abnormal energy regulation in early life: childhood gene expression may predict subsequent chronic mountain sickness
2008

Childhood Gene Expression and Chronic Mountain Sickness

Sample size: 40 publication 10 minutes Evidence: moderate

Author Information

Author(s): Huicho Luis, Xing Guoqiang, Qualls Clifford, Rivera-Ch MarĂ­a, Gamboa Jorge L, Verma Ajay, Appenzeller Otto

Primary Institution: Universidad Nacional Mayor de San Marcos

Hypothesis

Hypoxia-associated gene expression in children of men with chronic mountain sickness (CMS) might identify markers that predict the development of CMS in adults.

Conclusion

Children of CMS patients show impaired adaptation to hypoxia, which may be a key mechanism for adult CMS.

Supporting Evidence

  • Children of CMS fathers had lower expression levels of key genes at high altitude.
  • Gene expression patterns were indistinguishable among all groups at sea level.
  • Lower expression of HPH3 and PDK1 in children of CMS patients may indicate future health risks.

Takeaway

Kids whose dads have a sickness from living in high places might show signs in their genes that they could get sick too when they grow up.

Methodology

A cross-sectional study comparing gene expression in children of high altitude natives with and without CMS and sea level children.

Potential Biases

Gender bias due to the predominance of male CMS patients in the recruitment list.

Limitations

The study had unavoidable gender bias and was limited by the number of subjects due to time constraints.

Participant Demographics

Children aged 5 to 17 years, native to and resident at high altitude.

Statistical Information

P-Value

0.05

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1186/1471-2431-8-47

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