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Pulmonary cachexia, systemic inflammatory profile, and the interleukin 1ß -511 single nucleotide polymorphism

Broekhuizen, Roelinka, Grimble, Robert F., Howell, W. Martin, Shale, Dennis J., Creutzberg, Eva C., Wouters, Emiel F. and Schols, Annemie M. (2005) Pulmonary cachexia, systemic inflammatory profile, and the interleukin 1ß -511 single nucleotide polymorphism American Journal of Clinical Nutrition, 82, (5), pp. 1059-1064.

Record type: Article

Abstract

Background: Cachexia is common in chronic obstructive pulmonary disease (COPD) and is thought to be linked to an enhanced systemic inflammatory response.
Objective: We investigated differences in the systemic inflammatory profile and polymorphisms in related inflammatory genes in COPD patients.
Design: A cross-sectional study was performed in 99 patients with COPD (Global Initiative for Chronic Obstructive Lung Disease stages II–IV), who were stratified by cachexia based on fat-free mass index (FFMI; in kg/m2: <16 for men and <15 for women) and compared with healthy control subjects (HCs). Body composition was determined by bioelectrical impedance analysis. Plasma concentrations and gene polymorphisms of interleukin 1ß (IL-1ß –511), IL-6 (IL-6 –174), and the tumor necrosis factor system (TNF- –308 and lymphotoxin- +252) were determined. Plasma C-reactive protein, leptin, and urinary pseudouridine (as a marker of cellular protein breakdown) were measured.
Results: Fat mass, leptin, and pseudouridine were significantly different (P < 0.001) between noncachectic patients (NCPs) and cachectic patients (CPs: n = 35); the systemic inflammatory cytokine profile was not. NCPs had a body compositional shift toward a lower fat-free mass and a higher fat mass compared with HCs. CPs and NCPs had a greater systemic inflammatory response (P < 0.05) than did HCs, as reflected in C-reactive protein, soluble TNF-R75, and IL-6 concentrations. The overall distribution of the IL-1ß –511 polymorphism was significantly different between the groups (P < 0.05).
Conclusions: In COPD patients, who are characterized by an elevated systemic inflammatory response, cachexia is not discriminatory for the extent of increase in inflammatory status. This study, however, indicates a potential influence of genetic predisposition on the cachexia process.

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More information

Published date: November 2005
Additional Information: Original research communication
Keywords: chronic obstructive pulmonary disease, copd, body composition, inflammation, polymorphism, cachexia, protein breakdown, leptin

Identifiers

Local EPrints ID: 25280
URI: http://eprints.soton.ac.uk/id/eprint/25280
ISSN: 0002-9165
PURE UUID: 597a34e7-bc1d-4dc4-927d-30d328a42a1a

Catalogue record

Date deposited: 10 Apr 2006
Last modified: 17 Jul 2017 16:11

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Contributors

Author: Roelinka Broekhuizen
Author: Robert F. Grimble
Author: W. Martin Howell
Author: Dennis J. Shale
Author: Eva C. Creutzberg
Author: Emiel F. Wouters
Author: Annemie M. Schols

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