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Related Experiment Videos

No relation between apolipoprotein E alleles and obstructive sleep apnea

S Saarelainen1, T Lehtimäki, E Kallonen

  • 1Department of Pulmonary Diseases, Tampere University Hospital and Medical School, University of Tampere, Finland.

Clinical Genetics
|June 4, 1998
PubMed
Summary

Apolipoprotein E (ApoE) allele frequencies did not differ between obstructive sleep apnea (OSA) patients and controls. This genetic risk factor for cardiovascular and Alzheimer's diseases shows no association with OSA in this study population.

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Area of Science:

  • Genetics
  • Sleep Medicine
  • Cardiovascular Disease Research

Background:

  • Apolipoprotein E (ApoE) is a known genetic risk factor for cardiovascular diseases (CVD) and Alzheimer's disease (AD).
  • Obstructive sleep apnea (OSA) is associated with increased mortality and morbidity from cardiovascular diseases.

Purpose of the Study:

  • To investigate the association between Apolipoprotein E (ApoE) allele frequencies and obstructive sleep apnea (OSA).
  • To determine if ApoE genotype distribution differs between patients with OSA and healthy controls.

Main Methods:

  • Genotyping of ApoE alleles was performed.
  • Apolipoprotein E (ApoE) allele frequencies were compared between 291 patients with obstructive sleep apnea (OSA) and 728 control subjects.

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Main Results:

  • The distribution of ApoE alleles showed no statistically significant difference between the OSA group and the control group.
  • ApoE genotype frequencies were also found to be similar between patients with OSA and controls.

Conclusions:

  • The study found no association between Apolipoprotein E (ApoE) genetic variations and obstructive sleep apnea (OSA) in the studied population.
  • These findings suggest that ApoE alleles may not be a significant genetic risk factor specifically for OSA, despite their known links to cardiovascular disease.