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Inflammation, hepatic enzymes and resistance training in individuals with metabolic risk factors

Levinger, Itamar, Goodman, Craig, Peake, Jonathon, Garnham, Andrew P, Hare, David L, Jerums, George and Selig, Steve E (2009) Inflammation, hepatic enzymes and resistance training in individuals with metabolic risk factors. Diabetic Medicine, 26 (3). pp. 220-227. ISSN 0742-3071

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AIMS: Increases in inflammatory markers, hepatic enzymes and physical inactivity are associated with the development of the metabolic syndrome (MetS). We examined whether inflammatory markers and hepatic enzymes are correlated with traditional risk factors for MetS and studied the effects of resistance training (RT) on these emerging risk factors in individuals with a high number of metabolic risk factors (HiMF, 2.9 +/- 0.8) and those with a low number of metabolic risk factors (LoMF, 0.5 +/- 0.5). METHODS: Twenty-eight men and 27 women aged 50.8 +/- 6.5 years (mean +/- sd) participated in the study. Participants were randomized to four groups, HiMF training (HiMFT), HiMF control (HiMFC), LoMF training (LoMFT) and LoMF control (LoMFC). Before and after 10 weeks of RT [3 days/week, seven exercises, three sets with intensity gradually increased from 40-50% of one repetition maximum (1RM) to 75-85% of 1RM], blood samples were obtained for the measurement of pro-inflammatory cytokines, C-reactive protein (CRP), gamma-glutamyltransferase (GGT) and alanine aminotransferase (ALT). RESULTS: At baseline, HiMF had higher interleukin-6 (33.9%), CRP (57.1%), GGT (45.2%) and ALT (40.6%) levels, compared with LoMF (all P < 0.05). CRP, GGT and ALT correlated with the number of risk factors (r = 0.48, 0.51 and 0.57, respectively, all P < 0.01) and with other anthropometric and clinical measures (r range from 0.26 to 0.60, P < 0.05). RT did not significantly alter inflammatory markers or hepatic enzymes (all P > 0.05). CONCLUSIONS: HiMF was associated with increased inflammatory markers and hepatic enzyme concentrations. RT did not reduce inflammatory markers and hepatic enzymes in individuals with HiMF

Item Type: Article
Uncontrolled Keywords: ResPubID18331, cytokines, liver enzymes, metabolic risk factors, weight training
Subjects: Current > FOR Classification > 1199 Other Medical and Health Sciences
Historical > Faculty/School/Research Centre/Department > Centre for Ageing, Rehabilitation, Exercise & Sport Science (CARES)
Current > FOR Classification > 1101 Medical Biochemistry and Metabolomics
Historical > SEO Classification > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions)
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Depositing User: VUIR
Date Deposited: 10 May 2012 04:25
Last Modified: 11 Feb 2015 05:32
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Citations in Scopus: 45 - View on Scopus

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