title: Higher leptin is associated with hypertension: the Multi-Ethnic Study of Atherosclerosis.
abstract: Adipokines are secreted from adipose tissue, influence energy homeostasis and may contribute to the association between obesity and hypertension. Among 1897 participants enrolled in the Multi-Ethnic Study of Atherosclerosis, we examined associations between blood pressure and leptin, tumor necrosis factor-α (TNFα), resistin and total adiponectin. The mean age and body mass index (BMI) was 64.7 years and 28.1, respectively, and 50% were female. After adjustment for risk factors, a 1-s.d.-increment higher leptin level was significantly associated with higher systolic (5.0 mm Hg), diastolic (1.9), mean arterial (2.8) and pulse pressures (3.6), as well as a 34% higher odds for being hypertensive (P<0.01 for all). These associations were not materially different when the other adipokines, as well as BMI, waist circumference or waist-to-hip ratio, were additionally added to the model. Notably, the associations between leptin and hypertension were stronger in men, but were not different by race/ethnic group, BMI or smoking status. Adiponectin, resistin and TNFα were not independently associated with blood pressure or hypertension. Higher serum leptin, but not adiponectin, resistin or TNFα, is associated with higher levels of all measures of blood pressure, as well as a higher odds of hypertension, independent of risk factors, anthropometric measures and other selected adipokines.
authors.affiliation: 1] Department of Family and Preventive Medicine, University of California, San Diego, La Jolla, CA, USA [2] Veterans Affairs San Diego Healthcare System, La Jolla, CA, USA.
authors.forename: M A
authors.initials: MA
authors.lastname: Allison
authors.forename: J H
authors.initials: JH
authors.lastname: Ix
authors.forename: C
authors.initials: C
authors.lastname: Morgan
authors.forename: R L
authors.initials: RL
authors.lastname: McClelland
authors.forename: D
authors.initials: D
authors.lastname: Rifkin
authors.forename: D
authors.initials: D
authors.lastname: Shimbo
authors.forename: M H
authors.initials: MH
authors.lastname: Criqui
mesh_terms: D052242:Adiponectin / Q000097:blood; D050154:Adiposity; D000368:Aged; D050197:Atherosclerosis / Q000097:blood* / Q000208:ethnology / Q000503:physiopathology; D015415:Biomarkers / Q000097:blood; D001794:Blood Pressure; D005006:Ethnicity; D005260:Female; D006801:Humans; D006973:Hypertension / Q000097:blood* / Q000208:ethnology / Q000503:physiopathology; D020738:Leptin / Q000097:blood*; D016015:Logistic Models; D008137:Longitudinal Studies; D008297:Male; D008875:Middle Aged; D015999:Multivariate Analysis; D016017:Odds Ratio; D052243:Resistin / Q000097:blood; D012307:Risk Factors; D013997:Time Factors; D014409:Tumor Necrosis Factor-alpha / Q000097:blood; D014481:United States / Q000453:epidemiology; D015854:Up-Regulation
chemical_list: C499918:ADIPOQ protein, human; D052242:Adiponectin; D015415:Biomarkers; D020738:Leptin; C499624:RETN protein, human; D052243:Resistin; D014409:Tumor Necrosis Factor-alpha
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