PMID: 16635406Apr 26, 2006Paper

The role of serum leptin and tumor necrosis factor-alpha in malnutrition of male chronic obstructive pulmonary disease patients

Chinese Medical Journal
Yi-meng YangXin-min Liu

Abstract

Leptin is a protein mainly secreted by adipocytes, and the major function of leptin was its role in body weight regulation. It is suggested that increased levels of circulating leptin may contribute to anorexia in pathologic conditions including chronic obstructive pulmonary disease (COPD). Recent studies have provided evidence for a link between leptin and proinflammatory cytokines such as tumor necrosis factor-alpha (TNF-alpha). This study aimed to explore the role of serum leptin in the malnutrition of COPD patients, and to observe the changes of serum leptin levels during acute exacerbation, also to investigate relationship between leptin and TNF-alpha. Seventy-two COPD patients and 34 control subjects participated in this study. Seventy-two COPD patients were divided into 3 groups: group COPD IA (patients without malnutrition during acute exacerbation, n = 25), group COPD IB (patients without malnutrition during stable disease, n = 29), group COPD II (patients with malnutrition during stable disease, n = 18). To eliminate the effect of sex differences, all patients and controls were male. Body mass index (BMI), percent ideal body weight (IBW%), triceps skin-fold thickness (TSF), mid-upper arm circumference (MAC), mid-upper...Continue Reading

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