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Journal of Endocrinological Investigation

, Volume 33, Issue 7, pp 489–495 | Cite as

Two weekly sessions of combined aerobic and resistance exercise are sufficient to provide beneficial effects in subjects with Type 2 diabetes mellitus and metabolic syndrome

  • C. Fatone
  • M. Guescini
  • S. Balducci
  • S. Battistoni
  • A. Settequattrini
  • R. Pippi
  • L. Stocchi
  • M. Mantuano
  • V. Stocchi
  • P. De FeoEmail author
Original Articles

Abstract

This study was performed to establish whether only 2 sessions per week of combined aerobic and resistance exercise are enough to reduce glycated hemoglobin (HbA1c) and to induce changes in skeletal muscle gene expression in Type 2 diabetes mellitus (DM2) subjects with metabolic syndrome. Eight DM2 subjects underwent a 1-yr exercise program consisting of 2 weekly sessions of 140 min that combined aerobic [at 55–70% of maximal oxygen uptake (VO2max)] and resistance circuit training [at 60–80% of 1 repetition maximum (RM)]. The training significantly improved VO2max) (from 33.5±3.8 ml/kg/min to 38.2±3.5 ml/kg/min, p=0.0085) and muscle strength (p<0.05). Changes over baseline were significant for HbA1c, reduced by 0.45% (p=0.0084), fasting blood glucose (from 8.8±1.5 to 6.9±2.2 mmol/l, p=0.0132), waist circumference (from 98.9±4.8 to 95.9±4.6 cm, p=0.0054), body weight (from 87.5±10.7 to 85.7±10.1 kg, p=0.0375), systolic blood pressure (from 137±15 to 126±8 mmHg, p=0.0455), total cholesterol (from 220±24 to 184±13 mg/dl, p=0.0057), and LDL-cholesterol (from 150±16 to 105±15 mg/dl, p=0.0004). Mitochondrial DNA/nuclear DNA ratio at 6 and 12 months did not change. There was a significant increase of mRNA of peroxisome proliferator-activated receptor (PPAR)-γ after 6 months of training(p=0.024); PPARα mRNA levels were significantly increased at 6 (p=0.035) and 12 months (p=0.044). The mRNA quantification of other genes measured [mitochondrially encoded cytochrome c oxidase subunit II (MTCO2), cytochrome c oxidase subunit Vb (COX5b), PPARγ coactivator 1α (PGC-1α), glucose transporter 4 (GLUT 4), forkhead transcription factor BOX O1 (FOXO-1), carnitine palmitoyltransferase 1 (CPT-1), lipoprotein lipase (LPL), and insulin receptor substrate 1 (IRS-1)] did not show significant changes at 6 and 12 months. This study suggests that a twice-per-week frequency of exercise is sufficient to improve glucose control and the expression of skeletal muscle PPARγ and PPARα in DM2 subjects with metabolic syndrome.

Keywords

Exercise metabolic syndrome mitochondrial function muscle gene expression obesity 

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Copyright information

© Italian Society of Endocrinology (SIE) 2010

Authors and Affiliations

  • C. Fatone
    • 1
  • M. Guescini
    • 2
  • S. Balducci
    • 3
  • S. Battistoni
    • 1
  • A. Settequattrini
    • 1
  • R. Pippi
    • 1
  • L. Stocchi
    • 2
  • M. Mantuano
    • 2
  • V. Stocchi
    • 2
  • P. De Feo
    • 1
    Email author
  1. 1.C.U.R.I.A.MO. (Centro Universitario Ricerca Interdipartimentale Attività Motoria/University Research Center on Physical Activity)University of PerugiaPerugia
  2. 2.Department of Biomolecular Sciences, Section of Health and Physical ExerciseUniversity of Urbino “Carlo Bo”Urbino
  3. 3.Diabetes Division, Sant’ Andrea Hospital and Department of Clinical SciencesLa Sapienza UniversityRomeItaly

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