Oral glycine administration attenuates diabetic complications

Glycine-treated diabetic rats showed an important diminution in the percentage of animals with opacity in lens and microaneurysms in the eyes. Interestingly, there was a diminished expression of O-acetyl sialic acid in brain vessels compared with untreated diabetic rats (P < 0.05). Additionally, peripheral blood mononuclear cells isolated from glycine-treated diabetic rats showed a better proliferative response to PHA or ConA than those obtained from non-treated diabetic rats (P < 0.05). Glycine-treated rats had a less intense corporal weight loss in comparison with non-treated animals. Our results suggest that administration of glycine attenuates the diabeticcomplications in the STZ-induced diabetic rat model, probably due to inhibition of the non-enzymatic glycation process.

Life Sciences

Volume 79, Issue 3, 13 June 2006, Pages 225-232


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