alexa Rapid Communication - Effect of Exercise Training on Asymmetric Dimethylarginine Concentration in Women Aged 65-74 years with Type 2 Diabetes
ISSN: 2161-1017

Endocrinology & Metabolic Syndrome
Open Access

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Review Article

Rapid Communication - Effect of Exercise Training on Asymmetric Dimethylarginine Concentration in Women Aged 65-74 years with Type 2 Diabetes

Kevin R Serre1*, Michael J. Simmonds2, Surendran Sabapathy2, Clare L. Minahan2 and Gregory C. Gass1,3

1Faculty of Health Sciences and Medicine, Bond University, Queensland, Australia

2School of Physiotherapy and Exercise Science, Griffith University, Queensland, Australia

3Department of Health, Nutrition, and Exercise Sciences, North Dakota State University, North Dakota, USA

corresponding Author:
Kevin R Serre
Faculty of Health Sciences and Medicine
Bond University, Queensland, Australia 4229
Tel: +1 (613) 639 5135
Fax: +1 (613) 383 0156
E-mail: [email protected]

Received Date: November 09, 2011; Accepted Date: November 21, 2011; Published Date: November 23, 2011

Citation: Serre KR, Simmonds MJ, Sabapathy S, Minahan CL, Gass GC (2011) Rapid Communication – Effect of Exercise Training on Asymmetric Dimethylarginine Concentration in Women Aged 65-74 years with Type 2 Diabetes. Endocrinol Metabol Syndrome S5:001. doi: 10.4172/2161-1017.S5-001

Copyright: © 2011 Serre KR, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Aims/hypothesis: Basal plasma concentration of asymmetric dimethylarginine (ADMA), an endogenous, competitive inhibitor of nitric oxide synthase, is elevated in patients with type 2 diabetes. ADMA may contribute to the endothelial dysfunction and associated vascular complications observed in individuals with type 2 diabetes. The present study investigated the effect of 12 weeks of supervised walking exercise on plasma ADMA concentration in women aged 65-74 years with type 2 diabetes. Materials and methods: Fourteen women (aged 69 ± 3 yrs) with uncomplicated type 2 diabetes, completed 12 weeks of supervised, moderate-intensity walking at an intensity equivalent to their individual gas-exchange threshold. Blood was sampled for ADMA concentration before and after a 6-week intervention-free control period, and again after 6 and 12 weeks of exercise training. Results: Plasma ADMA concentration was found to be significantly lower after 12-weeks of exercise training when compared with baseline (0 wk) measurements. These results were accompanied by significant increases in time to exhaustion, relative and absolute peak oxygen uptake, and oxygen uptake at gas-exchange threshold. Conclusion/interpretation: Regular, moderate-intensity exercise decreases circulating ADMA concentrations in older women with type 2 diabetes. These results suggest that ADMA may play a role in the training-induced reduction in cardiovascular disease risk seen with exercise training in individuals with type 2 Diabetes.

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