NDLI: Population admixture associated with disease prevalence in the Boston Puerto Rican health study

Content Provider	Springer Nature Link
Author	Lai, Chao Qiang Tucker, Katherine L. Choudhry, Shweta Parnell, Laurence D. Mattei, Josiemer García Bailo, Bibiana Beckman, Kenny Burchard, Esteban González Ordovás, José M.
Copyright Year	2008
Abstract	Older Puerto Ricans living in the continental U.S. suffer from higher rates of diabetes, obesity, cardiovascular disease and depression compared to non-Hispanic White populations. Complex diseases, such as these, are likely due to multiple, potentially interacting, genetic, environmental and social risk factors. Presumably, many of these environmental and genetic risk factors are contextual. We reasoned that racial background may modify some of these risk factors and be associated with health disparities among Puerto Ricans. The contemporary Puerto Rican population is genetically heterogeneous and originated from three ancestral populations: European settlers, native Taíno Indians, and West Africans. This rich-mixed ancestry of Puerto Ricans provides the intrinsic variability needed to untangle complex gene–environment interactions in disease susceptibility and severity. Herein, we determined whether a specific ancestral background was associated with either of four major disease outcomes (diabetes, obesity, cardiovascular disease, and depression). We estimated the genetic ancestry of 1,129 subjects from the Boston Puerto Rican Health Study based on genotypes of 100 ancestry informative markers (AIMs). We examined the effects of ancestry on tests of association between single AIMs and disease traits. The ancestral composition of this population was 57.2% European, 27.4% African, and 15.4% Native American. African ancestry was negatively associated with type 2 diabetes and cardiovascular disease, and positively correlated with hypertension. It is likely that the high prevalence rate of diabetes in Africans, Hispanics, and Native Americans is not due to genetic variation alone, but to the combined effects of genetic variation interacting with environmental and social factors.
Starting Page	199
Ending Page	209
Page Count	11
File Format	PDF
ISSN	03406717
Journal	Human Genetics
Volume Number	125
Issue Number	2
e-ISSN	14321203
Language	English
Publisher	Springer-Verlag
Publisher Date	2008-12-24
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Human Genetics Metabolic Diseases Gene Function Molecular Medicine
Content Type	Text
Resource Type	Article
Subject	Genetics Genetics (clinical)

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