Habitual activity associates with lower fasting and greater glucose-induced GLP-1 response in men

TY - JOUR

T1 - Habitual activity associates with lower fasting and greater glucose-induced GLP-1 response in men

AU - Janus, Charlotte

AU - Vistisen, Dorte

AU - Amadid, Hanan

AU - Witte, Daniel R

AU - Lauritzen, Torsten

AU - Brage, Søren

AU - Bjerregaard, Anne-Louise

AU - Hansen, Torben

AU - Holst, Jens Juul

AU - Jørgensen, Marit Eika

AU - Pedersen, Oluf

AU - Færch, Kristine

AU - Torekov, Signe

PY - 2019

Y1 - 2019

N2 - Rationale: The hormone glucagon-like peptide-1 (GLP-1) decreases blood glucose and appetite. Greater physical activity (PA) is associated with lower incidence of type 2 diabetes. While acute exercise may increase glucose-induced response of GLP-1, it is unknown how habitual PA affects GLP-1 secretion. We hypothesised that habitual PA associates with greater glucose-induced GLP-1 responses in overweight individuals. Methods: Cross-sectional analysis of habitual PA levels and GLP-1 concentrations in 1326 individuals (mean (s.d.) age 66 (7) years, BMI 27.1 (4.5) kg/m2) from the ADDITION-PRO cohort. Fasting and oral glucose-stimulated GLP-1 responses were measured using validated radioimmunoassay. PA was measured using 7-day combined accelerometry and heart rate monitoring. From this, energy expenditure (PAEE; kJ/kg/day) and fractions of time spent in activity intensities (h/day) were calculated. Cardiorespiratory fitness (CRF; mL O2/kg/min) was calculated using step tests. Age-, BMI-and insulin sensitivity-adjusted associations between PA and GLP-1, stratified by sex, were evaluated by linear regression analysis. Results: In 703 men, fasting GLP-1 concentrations were 20% lower (95% CI: −33; −3%, P = 0.02) for every hour of moderate-intensity PA performed. Higher CRF and PAEE were associated with 1–2% lower fasting GLP-1 (P = 0.01). For every hour of moderate-intensity PA, the glucose-stimulated GLP-1 response was 16% greater at peak 30 min (1; 33%, PrAUC0-30 = 0.04) and 20% greater at full response (3; 40%, PrAUC0-120 = 0.02). No associations were found in women who performed PA 22 min/day vs 32 min/day for men. Conclusion: Moderate-intensity PA is associated with lower fasting and greater glucose-induced GLP-1 responses in overweight men, possibly contributing to improved glucose and appetite regulation with increased habitual PA.

AB - Rationale: The hormone glucagon-like peptide-1 (GLP-1) decreases blood glucose and appetite. Greater physical activity (PA) is associated with lower incidence of type 2 diabetes. While acute exercise may increase glucose-induced response of GLP-1, it is unknown how habitual PA affects GLP-1 secretion. We hypothesised that habitual PA associates with greater glucose-induced GLP-1 responses in overweight individuals. Methods: Cross-sectional analysis of habitual PA levels and GLP-1 concentrations in 1326 individuals (mean (s.d.) age 66 (7) years, BMI 27.1 (4.5) kg/m2) from the ADDITION-PRO cohort. Fasting and oral glucose-stimulated GLP-1 responses were measured using validated radioimmunoassay. PA was measured using 7-day combined accelerometry and heart rate monitoring. From this, energy expenditure (PAEE; kJ/kg/day) and fractions of time spent in activity intensities (h/day) were calculated. Cardiorespiratory fitness (CRF; mL O2/kg/min) was calculated using step tests. Age-, BMI-and insulin sensitivity-adjusted associations between PA and GLP-1, stratified by sex, were evaluated by linear regression analysis. Results: In 703 men, fasting GLP-1 concentrations were 20% lower (95% CI: −33; −3%, P = 0.02) for every hour of moderate-intensity PA performed. Higher CRF and PAEE were associated with 1–2% lower fasting GLP-1 (P = 0.01). For every hour of moderate-intensity PA, the glucose-stimulated GLP-1 response was 16% greater at peak 30 min (1; 33%, PrAUC0-30 = 0.04) and 20% greater at full response (3; 40%, PrAUC0-120 = 0.02). No associations were found in women who performed PA 22 min/day vs 32 min/day for men. Conclusion: Moderate-intensity PA is associated with lower fasting and greater glucose-induced GLP-1 responses in overweight men, possibly contributing to improved glucose and appetite regulation with increased habitual PA.

U2 - 10.1530/ec-19-0408

DO - 10.1530/ec-19-0408

M3 - Journal article

C2 - 31804964

SN - 2049-3614

JO - Endocrine Connections

JF - Endocrine Connections

ER -