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Genetic Associations with Obstructive Sleep Apnea Traits in Hispanic/Latino Americans.

  • Author(s): Cade, Brian E
  • Chen, Han
  • Stilp, Adrienne M
  • Gleason, Kevin J
  • Sofer, Tamar
  • Ancoli-Israel, Sonia
  • Arens, Raanan
  • Bell, Graeme I
  • Below, Jennifer E
  • Bjonnes, Andrew C
  • Chun, Sung
  • Conomos, Matthew P
  • Evans, Daniel S
  • Johnson, W Craig
  • Frazier-Wood, Alexis C
  • Lane, Jacqueline M
  • Larkin, Emma K
  • Loredo, Jose S
  • Post, Wendy S
  • Ramos, Alberto R
  • Rice, Ken
  • Rotter, Jerome I
  • Shah, Neomi A
  • Stone, Katie L
  • Taylor, Kent D
  • Thornton, Timothy A
  • Tranah, Gregory J
  • Wang, Chaolong
  • Zee, Phyllis C
  • Hanis, Craig L
  • Sunyaev, Shamil R
  • Patel, Sanjay R
  • Laurie, Cathy C
  • Zhu, Xiaofeng
  • Saxena, Richa
  • Lin, Xihong
  • Redline, Susan
  • et al.

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Obstructive sleep apnea is a common disorder associated with increased risk for cardiovascular disease, diabetes, and premature mortality. Although there is strong clinical and epidemiologic evidence supporting the importance of genetic factors in influencing obstructive sleep apnea, its genetic basis is still largely unknown. Prior genetic studies focused on traits defined using the apnea-hypopnea index, which contains limited information on potentially important genetically determined physiologic factors, such as propensity for hypoxemia and respiratory arousability.


To define novel obstructive sleep apnea genetic risk loci for obstructive sleep apnea, we conducted genome-wide association studies of quantitative traits in Hispanic/Latino Americans from three cohorts.


Genome-wide data from as many as 12,558 participants in the Hispanic Community Health Study/Study of Latinos, Multi-Ethnic Study of Atherosclerosis, and Starr County Health Studies population-based cohorts were metaanalyzed for association with the apnea-hypopnea index, average oxygen saturation during sleep, and average respiratory event duration.

Measurements and main results

Two novel loci were identified at genome-level significance (rs11691765, GPR83, P = 1.90 × 10-8 for the apnea-hypopnea index, and rs35424364; C6ORF183/CCDC162P, P = 4.88 × 10-8 for respiratory event duration) and seven additional loci were identified with suggestive significance (P < 5 × 10-7). Secondary sex-stratified analyses also identified one significant and several suggestive associations. Multiple loci overlapped genes with biologic plausibility.


These are the first genome-level significant findings reported for obstructive sleep apnea-related physiologic traits in any population. These findings identify novel associations in inflammatory, hypoxia signaling, and sleep pathways.

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