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Effects of exercise training on markers of adipose tissue remodeling in patients with coronary artery disease and type 2 diabetes mellitus: sub study of the randomized controlled EXCADI trial

  • Zaidi, Hani1, 2, 3
  • Byrkjeland, Rune1, 2, 3
  • Njerve, Ida U.1, 2
  • Åkra, Sissel1, 2
  • Solheim, Svein1, 2
  • Arnesen, Harald1, 2, 3
  • Seljeflot, Ingebjørg1, 2, 3
  • Opstad, Trine B.1, 2, 3
  • 1 Oslo University Hospital Ullevål, Nydalen, Oslo, 0424, Norway , Oslo (Norway)
  • 2 Oslo University Hospital, Oslo, Norway , Oslo (Norway)
  • 3 University of Oslo, Oslo, Norway , Oslo (Norway)
Published Article
Diabetology & Metabolic Syndrome
BioMed Central
Publication Date
Dec 19, 2019
DOI: 10.1186/s13098-019-0508-9
Springer Nature


BackgroundInvestigate effects of long-term exercise on the remodeling markers MMP-9, TIMP-1, EMMPRIN and Galectin-3 in combined type 2 diabetes mellitus (T2DM) and coronary artery disease (CAD) patients. Any associations between these biomarkers and glucometabolic variables were further assessed at baseline.Methods137 patients (age 41–81 years, 17.2% females) were included and randomized to a 12-months exercise program or to a control group. Fasting blood samples and subcutaneous adipose tissue (AT) samples were taken at inclusion and after 12-months. The intervention was a combination of aerobic and strength training for a minimum of 150 min per week. Circulating protein levels were measured by ELISA methods and RNA was extracted from AT and circulating leukocytes. Expression levels were relatively quantified by PCR.ResultsAfter 12 months of intervention, both AT-expression and circulating levels of EMMPRIN were increased in the exercise group (p < 0.05, both) with significant difference in change between the two groups (p < 0.05 both). No significant effect was observed on MMP-9, TIMP-1 and Galectin-3. Levels of TIMP-1 (AT-expression and circulating) were significantly correlated to insulin, and HOMA2- after Bonferroni correction (p = 0.001, by 48 performed correlations).ConclusionThe increase in levels of EMMPRIN after long-term exercise training, might indicate some degree of AT remodeling in these patients after 12-months of exercise, whether beneficial or not. The remodeling markers were to some extent associated with glucometabolic variables in our population with the combined disease.Trial registration, NCT01232608. Registered 2 November 2010

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