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Human Achilles tendon glycation and function in diabetes

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Couppe, C., Svensson, R. B., Kongsgaard, M., Kovanen, V., Grosset, J.-F., Snorgaard, O., . . . Magnusson, S. P. (2016). Human Achilles tendon glycation and function in diabetes. Journal of Applied Physiology, 120 (2), 130-137. doi:10.1152/japplphysiol.00547.2015
Published in
Journal of Applied Physiology
Authors
Couppe, Christian |
Svensson, Rene Brüggebusch |
Kongsgaard, Mads |
Kovanen, Vuokko |
Grosset, Jean-Francois |
Snorgaard, Ole |
Bencke, Jesper |
Larsen, Jytte Overgaard |
Bandholm, Thomas |
Christensen, Tomas Møller |
Boesen, Anders Ploug |
Helmark, Ida C. |
Aagaard, Per |
Kjaer, Michael |
Magnusson, Stig Peter
Date
2016
Discipline
Gerontologia ja kansanterveysLiikuntalääketiede
Copyright
© 2016 the American Physiological Society. This is a final draft version of an article whose final and definitive form has been published by APS. Published in this repository with the kind permission of the publisher.

 
Diabetic patients have an increased risk of foot ulcers, and glycation of collagen may increase tissue stiffness. We hypothesized that the level of glycemic control (glycation) may affect Achilles tendon stiffness, which can influence gait pattern. We therefore investigated the relationship between collagen glycation, Achilles tendon stiffness parameters, and plantar pressure in poorly (n = 22) and well (n = 22) controlled diabetic patients, including healthy age-matched (45–70 yr) controls (n = 11). There were no differences in any of the outcome parameters (collagen cross-linking or tendon stiffness) between patients with well-controlled and poorly controlled diabetes. The overall effect of diabetes was explored by collapsing the diabetes groups (DB) compared with the controls. Skin collagen cross-linking lysylpyridinoline, hydroxylysylpyridinoline (136%, 80%, P < 0.01) and pentosidine concentrations (55%, P < 0.05) were markedly greater in DB. Furthermore, Achilles tendon material stiffness was higher in DB (54%, P < 0.01). Notably, DB also demonstrated higher forefoot/rearfoot peak-plantar-pressure ratio (33%, P < 0.01). Overall, Achilles tendon material stiffness and skin connective tissue cross-linking were greater in diabetic patients compared with controls. The higher foot pressure indicates that material stiffness of tendon and other tissue (e.g., skin and joint capsule) may influence foot gait. The difference in foot pressure distribution may contribute to the development of foot ulcers in diabetic patients. ...
Publisher
American Physiological Society
ISSN Search the Publication Forum
8750-7587
Keywords
diabetes enzymatic and non-enzymatic collagen cross-linking Achilles tendon mechanics foot ulcer
DOI
10.1152/japplphysiol.00547.2015
URI

http://urn.fi/URN:NBN:fi:jyu-201602051460

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