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- Wagner, H, et al.
(författare)
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Improvement of insulin sensitivity in response to exercise training in type 2 diabetes mellitus is associated with vascular endothelial growth factor A expression
- 2016
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Ingår i: Diabetes & vascular disease research. - : SAGE Publications. - 1752-8984 .- 1479-1641. ; 13:5, s. 361-366
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Tidskriftsartikel (refereegranskat)abstract
- Insulin sensitivity changes in response to exercise training demonstrate a large variation. Vascular endothelial growth factor A could promote increased insulin sensitivity through angiogenesis. We investigated associations between changes in expression of key genes and insulin sensitivity, aerobic capacity and glycaemic control following exercise training in diabetes mellitus type 2. Methods: Subjects with diabetes mellitus type 2 underwent 12 weeks of structured exercise. Euglycaemic clamp, exercise test and HbA1c were performed. Muscle biopsies were obtained for mRNA expression. Results: A total of 16 subjects completed the study. Change in vascular endothelial growth factor A expression was positively associated with an increase in insulin sensitivity ( p = 0.004) and with a decrease in HbA1c ( p = 0.034). Vascular endothelial growth factor A receptor-1 expression showed similar associations. Conclusion: The variation in physical adaptation to exercise training in diabetes mellitus type 2 was associated with changes in expression of vascular endothelial growth factor A in muscle. This difference in induced gene expression could contribute to the variation in exercise training effects on insulin sensitivity. Measures of capillary blood flow need to be assessed in future studies.
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