Normal adiponectin levels despite abnormal glucose tolerance (or diabetes) and inflammation in adult patients with cystic fibrosis

被引:18
作者
Hammana, I.
Malet, A.
Costa, M.
Brochiero, E.
Berthiaume, Y.
Potvin, S.
Chiasson, J. -L.
Coderre, L.
Rabasa-Lhoret, R. [1 ]
机构
[1] CHUM, Hotel Dieu, Diabet Res Grp, Res Ctr,Div Endocrinol, 3850 St Urbain sT, Montreal, PQ H2W 1T7, Canada
[2] CHUM, Hotel Dieu, Cystic Fibrosis Clin, Montreal, PQ H2W 1T7, Canada
[3] Univ Montreal, Metab Res Unit, Dept Nutr, Montreal, PQ H3C 3J7, Canada
[4] Univ Montreal, Dept Med, Montreal, PQ H3C 3J7, Canada
关键词
insulin sensitivity; adiponectin; diabetes; inflammation; cystic fibrosis;
D O I
10.1016/j.diabet.2007.01.004
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Rationale. - Circulating adiponectin levels are negatively associated with glucose intolerance, inflammation and central adiposity. Since these conditions are common in cystic fibrosis (CF), we examined whether adiponectin values are altered in these patients. Aim. - To determine if CF patients have altered adiponectin levels and if these levels correlate with glucose tolerance categories (normal, impaired glucose tolerance (IGT) and cystic fibrosis-related diabetes (CFRD)), insulin resistance or inflammatory markers such as fibrinogen and C-reactive protein (CRP). Methods. - Oral glucose tolerance tests (OGTTs) were performed and adiponectin levels were measured in 90 CF patients not known to be diabetic and 15 healthy controls matched for age, sex and body mass index (BMI). Inflammatory markers, serum albumin concentrations and the clinical status of CF patients (i.e. pulmonary function) were also examined. Results. - CF pathology was characterized by a high prevalence (43.5%) of glucose tolerance abnormalities: 26.5% of IGT and 17.0% of newly diagnosed CFRD. CF patients also presented systemic inflammation as revealed by a significant increase of fibrinogen (P = 0.029) in all patients and higher CRP levels in CFRD patients compared to the controls (P < 0.05). On the other hand, CF and control subjects had similar albumin serum concentration. While CF patients and controls had similar serum adiponectin values, women had significantly higher hormone levels than men (P < 0.001). Adiponectin levels did not correlate with glucose tolerance, inflammatory markers or insulin resistance. On the other hand, they correlated positively with both total and HDL-cholesterol (P < 0.001). Conclusion. - CF patients did not show any alterations in adiponectin levels despite insulin resistance, glucose intolerance and sub clinical chronic inflammation. Thus, CF appears to be one of the rare conditions in which discordance between adiponectin values and insulin resistance or inflammation is evident. (c) 2007 Elsevier Masson SAS. All rights reserved.
引用
收藏
页码:213 / 219
页数:7
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