Genetic ancestry and income are associated with dengue hemorrhagic fever in a highly admixed population

被引:0
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作者
Ronald E Blanton
Luciano K Silva
Vanessa G Morato
Antonio R Parrado
Juarez P Dias
Paulo R S Melo
Eliana A G Reis
Katrina A B Goddard
Márcio R T Nunes
Sueli G Rodrigues
Pedro F C Vasconcelos
Jesuina M Castro
Mitermayer G Reis
Maurício L Barreto
M Glória Teixeira
机构
[1] Case Western Reserve University,Division of Genetic Epidemiology, Department of Epidemiology & Biostatistics
[2] Center for Global Health and Diseases,Department of Arbovirology and Hemorrhagic Fever
[3] Fundação Oswaldo Cruz,undefined
[4] Centro de Pesquisas Gonçalo Moniz,undefined
[5] Laboratory of Pathology and Molecular Biology,undefined
[6] Rua Waldemar Falcão,undefined
[7] 121,undefined
[8] Universidade Federal da Bahia,undefined
[9] Institute of Collective Health,undefined
[10] Case Western Reserve University,undefined
[11] Wolstein Research Building,undefined
[12] Secretaria da Saúde do Estado da Bahia,undefined
[13] 4a Avenida do CAB,undefined
[14] no 400,undefined
[15] Lado B,undefined
[16] CAB,undefined
[17] Instituto Evandro Chagas,undefined
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关键词
ethnicity; race; population structure; socioeconomic status; DENV3;
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摘要
To test whether African ancestry is protective for severe dengue, we genotyped 49 hospitalized cases of dengue hemorrhagic fever (DHF) as well as 293 neighborhood cases of dengue fever and 294 asymptomatic controls in Salvador, Bahia, Brazil. Ancestry-informative markers and 282 unlinked SNPs not associated with the clinical presentation of dengue were used to estimate ancestry. After controlling for income, both self-defined Afro-Brazilian ethnicity and African ancestry were protective for DHF (P=0.02, OR=0.28 and P=0.02, OR=0.13, respectively). Income or an index of income indicators, however, was also independently associated with the diagnosis of DHF.
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页码:762 / 765
页数:3
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