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Association between variation in the genes DDAH1 and DDAH2 and hypertension among Uygur, Kazakh and Han ethnic groups in China / Associação entre variação de genes DDAH1 e DDAH2 com hipertensão nos grupos étnicos uygur, kazakh e han na China
Wang, Zhong; Chen, Shaoze; Zhang, Lina; Lu, Guilin; Zhou, Chengming; Wang, Dao Wen; Wang, Li; Badengmu, Bayinbate; Zhai, Zhihong; Qin, Lian.
  • Wang, Zhong; Shihezi University. First Affiliated Hospital, Shihezi Medical College. Department of Cardiology. Shihezi. CN
  • Chen, Shaoze; Shihezi University. First Affiliated Hospital, Shihezi Medical College. Department of Cardiology. Shihezi. CN
  • Zhang, Lina; Shihezi University. First Affiliated Hospital, Shihezi Medical College. Department of Cardiology. Shihezi. CN
  • Lu, Guilin; Shihezi University. First Affiliated Hospital, Shihezi Medical College. Department of Cardiology. Shihezi. CN
  • Zhou, Chengming; Shihezi University. First Affiliated Hospital, Shihezi Medical College. Department of Cardiology. Shihezi. CN
  • Wang, Dao Wen; Shihezi University. First Affiliated Hospital, Shihezi Medical College. Department of Cardiology. Shihezi. CN
  • Wang, Li; Shihezi University. First Affiliated Hospital, Shihezi Medical College. Department of Cardiology. Shihezi. CN
  • Badengmu, Bayinbate; Shihezi University. First Affiliated Hospital, Shihezi Medical College. Department of Cardiology. Shihezi. CN
  • Zhai, Zhihong; Shihezi University. First Affiliated Hospital, Shihezi Medical College. Department of Cardiology. Shihezi. CN
  • Qin, Lian; Shihezi University. First Affiliated Hospital, Shihezi Medical College. Department of Cardiology. Shihezi. CN
São Paulo med. j ; 134(3): 205-210, tab
Article in English | LILACS | ID: lil-785810
ABSTRACT
CONTEXT AND

OBJECTIVE:

Dimethylarginine dimethylaminohydrolase enzymes (DDAH), which are encoded by the genes DDAH1 and DDAH2, play a fundamental role in maintaining endothelial function. We conducted a case-control study on a Chinese population that included three ethnic groups (Han, Kazakh and Uygur), to systemically investigate associations between variations in the genes DDAH1 and DDAH2 and hypertension. DESIGN AND

SETTING:

Experimental study at the Department of Internal Medicine and Genetic Diagnosis, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology.

METHODS:

This case-control study included 1,224 patients with hypertension and 967 healthy unrelated individuals as controls. DDAH1 -396 4N (GCGT) del>ins, rs3087894, rs805304 and rs9267551 were genotyped using the TaqMan 5' nuclease assay.

RESULTS:

The G/C genotype of rs3087894 in DDAH1 was a risk factor for hypertension in the Kazakh group in the co-dominant model (G/C versus G/G) (OR 1.39; 95% CI 1.02-1.88; P < 0.05), with the same result in the dominant model (G/C + C/C versus G/G) (OR 1.38; 95% CI 1.03-1.84; P < 0.05). In contrast, the C/C genotype of rs3087894 seemed to be a protective factor against hypertension in the Uygur group in the recessive model (C/C versus G/G + G/C) (OR 0.62; 95% CI 0.39- 0.97; P < 0.05). Similar findings for rs3087894 were also observed after adjusting the variable for the age covariate.

CONCLUSION:

Our results indicated that the C-allele of rs3087894 in DDAH1 was a risk factor for hypertension in the Kazakh group but a protective factor in the Uygur group.
RESUMO
RESUMO CONTEXTO E

OBJETIVO:

Enzimas dimetilarginina dimetilaminohidrolase (DDAH), codificadas por genes DDAH1 e DDAH2, desempenham papel fundamental na manutenção da função endotelial. Realizamos estudo tipo caso-controle na população chinesa, com três grupos étnicos (han, kazakh e uygur) para investigar sistematicamente a associação entre a variação de genes DDAH1 e DDAH2 e a hipertensão. DESENHO E LOCAL Estudo tipo caso-controle no Departamento de Medicina Interna e Diagnóstico Genético, Hospital de Tongji, Tongji Medical College, Universidade de Ciência e Tecnologia de Huazhong.

MÉTODOS:

Este estudo incluiu 1.224 pacientes com hipertensão e 967 indivíduos saudáveis, sem parentesco, como controles. DDAH1 -396 4 N (GCGT) del > ins, rs3087894, rs805304 and rs9267551 foram genotipados usando o ensaio nuclease TaqMan 5'.

RESULTADOS:

O genótipo G/C de rs3087894 no DDAH1 foi um fator de risco para a hipertensão arterial no grupo kazakh em modelo codominante (G/C versus G/G; OR 1,39; IC 95% 1,02-1,88; P < 0,05), com o mesmo resultado no modelo dominante (G/C + C/C versus G/G; OR 1,38; IC 95% 1,03-1,84; P < 0,05). Em contraste, o genótipo C/C de rs3087894 parecia ser um fator de proteção para a hipertensão no grupo uygur no modelo recessivo (C/C versus G/G + G/C; OR 0,62; IC 95% 0,39-0,97; P < 0,05). Achado semelhante para rs3087894 também foi observado depois de se ajustar a variante à covariante idade.

CONCLUSÃO:

Os nossos resultados indicaram que o C-alelo de rs3087894 no DDAH1 foi fator de risco para a hipertensão no grupo de kazakh, mas fator de proteção no grupo de uygur.
Subject(s)


Full text: Available Index: LILACS (Americas) Main subject: Genetic Variation / Asian People / Amidohydrolases / Hypertension Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: São Paulo med. j Journal subject: Cirurgia Geral / Ciˆncia / Ginecologia / Medicine / Medicina Interna / Obstetr¡cia / Pediatria / Sa£de Mental / Sa£de P£blica Year: 2016 Type: Article Affiliation country: China Institution/Affiliation country: Shihezi University/CN

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Full text: Available Index: LILACS (Americas) Main subject: Genetic Variation / Asian People / Amidohydrolases / Hypertension Type of study: Etiology study / Observational study / Prognostic study / Risk factors Limits: Adult / Aged / Female / Humans / Male Country/Region as subject: Asia Language: English Journal: São Paulo med. j Journal subject: Cirurgia Geral / Ciˆncia / Ginecologia / Medicine / Medicina Interna / Obstetr¡cia / Pediatria / Sa£de Mental / Sa£de P£blica Year: 2016 Type: Article Affiliation country: China Institution/Affiliation country: Shihezi University/CN