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Chinese Medical Journal ; (24): 3311-3315, 2013.
Article Dans Anglais | WPRIM | ID: wpr-354490

Résumé

<p><b>BACKGROUND</b>Reactive oxygen species are thought to contribute to the development of renal damage. The P22phox subunit of nicotinamide adenine dinucleotide phosphate (NAPDH) oxidase, encoded by the cytochrome b245a polypeptide gene, CYBA, plays a key role in superoxide anion production. We investigated the association of CYBA rs7195830 polymorphism with estimated glomerular filtration rate (eGFR) and the role it plays in the pathogenesis of chronic kidney disease (CKD) in a Han Chinese sample.</p><p><b>METHODS</b>The Gaoyou study enrolled 4473 participants. Serum levels of creatinine were measured and eGFR was estimated using the Chronic Kidney Disease Epidemiology Collaboration equations. The CYBA polymorphisms were genotyped. Then we investigated the association between eGFR and the rs7195830 polymorphism in the recessive model.</p><p><b>RESULTS</b>The AA genotype of rs7195830 was associated with significantly lower values of eGFR compared with the GG and AG genotypes ((102.76 ± 17.07) ml×min(-1)×1.73 m(-2) vs. (105.08 ± 16.30) ml×min(-1)± 1.73 m(-2)). The association remained significant in the recessive model after adjusting for age, gender, body mass index, smoking, hypertension, diabetes mellitus, uric acid, triglyceride, low density lipoprotein cholesterol and high density lipoprotein cholesterol (β=1.666, P=0.031). The rs7195832 AA genotype was an independent risk factor for CKD: eGFR <60 ml×min(-1)×1.73 m(-2) (odds ratio=3.32; 95% CI=1.21-9.13).</p><p><b>CONCLUSION</b>The AA genotype of rs7195830 is independently associated with lower estimated glomerular filtration rate and is significantly associated with CKD.</p>


Sujets)
Adolescent , Adulte , Sujet âgé , Femelle , Humains , Mâle , Adulte d'âge moyen , Jeune adulte , Asiatiques , Génétique , Débit de filtration glomérulaire , Génétique , NADPH oxidase , Génétique , Polymorphisme génétique , Génétique , Insuffisance rénale chronique , Épidémiologie , Génétique
2.
Chinese Journal of Cardiology ; (12): 993-997, 2010.
Article Dans Chinois | WPRIM | ID: wpr-244079

Résumé

<p><b>OBJECTIVE</b>To investigate the relationship between c-reactive protein (CRP) and blood pressure in a general population.</p><p><b>METHODS</b>We randomly selected 3889 subjects aged 18 - 74 years stratified by gender and age in Baqiao, a rural area of Jiangsu Province. A standardized questionnaire was used to collect information on medical history, smoking, alcohol intake and use of medications. Blood pressure was measured by mercury sphygmomanometer. Serum CRP (hCRP) concentration was measured using a high sensitivity BNprosec immunonephelometric assay. Subjects were divided into 4 groups according to their interquartile range of CRP levers: group Q1 (men hCRP < 2.04 mg/L; women hCRP < 1.80 mg/L); group Q2 (men 2.04 mg/L ≤ hCRP < 3.01 mg/L; women 1.80 mg/L ≤ hCRP < 2.76 mg/L); group Q3 (men 3.01 mg/L ≤ hCRP < 4.14 mg/L; women 2.76 mg/L ≤ hCRP < 3.84 mg/L); and group Q4 (men 4.14 mg/L ≤ hCRP; women 3.84 mg/L ≤ hCRP).</p><p><b>RESULTS</b>Systolic blood pressure (SBP, adjusted P = 0.016) and pulse pressure (PP, adjusted P = 0.003) of men and PP (adjusted P = 0.002) of women were increased in proportion to increased CRP levels. Diastolic blood pressure was not associated with CRP levels. Multiple stepwise regression analysis showed that logCRP was independently associated with SBP and PP in men and PP in women. hCRP was independently associated with hypertension in men. Compared with group Q1, male people in group Q4 faced a 40.4% (95% confidence interval: 4.9% - 87.9%) higher risk of hypertension.</p><p><b>CONCLUSIONS</b>hCRP was independently associated with PP in men and women, and SBP in men. hCRP was independently associated with hypertension in men but not in women in this study population.</p>


Sujets)
Adulte , Sujet âgé , Femelle , Humains , Mâle , Adulte d'âge moyen , Pression sanguine , Protéine C-réactive , Métabolisme , Chine , Épidémiologie , Hypertension artérielle , Sang , Épidémiologie , Facteurs de risque , Facteurs sexuels , Enquêtes et questionnaires
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