Please use this identifier to cite or link to this item: http://repositorio.unicamp.br/jspui/handle/REPOSIP/354595
Type: Artigo
Title: Glycine improves biochemical and biomechanical properties following inflammation of the achilles tendon
Author: Vieira, Cristiano Pedrozo
Oliveira, Letícia Prado De
Guerra, Flávia Da Ré
Almeida, Marcos Dos Santos De
Marcondes, Maria Cristina Cintra Gomes
Pimentel, Edson Rosa
Abstract: Tendinopathy of the Achilles tendon is a clinical problem that motivates the scientific community to search for treatments that assist in restoring its functional properties. Glycine has broad biological effects, acting as a modulator of the inflammatory cascade, and is the predominant amino acid in collagen. A 5% glycine diet provided beneficial effects against toxicity and inflammation since glycine may restructure the collagen molecules faster due to its broad anti‐inflammatory effects. The purpose was analyze the effects of a 5% glycine diet in rats as a treatment for the inflammatory process. The experimental groups were as follows: C (control group), G1 and G3 (inflammatory group), and G2 and G4 (glycine + inflammatory group). G1 and G2 were euthanized 8 days following injury, and G3 and G4 were euthanized 22 days following injury. The concentrations of hydroxyproline, non‐collagenous proteins, and glycosaminoglycans, as well as the activity of MMP‐2 and ‐9 were analyzed. Biomechanical and morphological tests were employed. Higher concentrations of hydroxyproline and glycosaminoglycans were found in G4 and an increased activity of MMP‐2 was found in G2. Higher birefringence was noted in group G2. The biomechanical results indicated that the tendon was more resistant to loading to rupture upon treatment with a glycine diet in group G4. Glycine induced the synthesis of important components of the tendon. A rapid remodeling was noted when compared with the inflamed‐only groups. These data suggest that glycine may be a beneficial supplement for individuals with inflammation of the Achilles tendon
Subject: Bioquímica
Country: Estados Unidos
Editor: John Wiley & Sons
Rights: Fechado
Identifier DOI: 10.1002/ar.23041
Address: https://anatomypubs.onlinelibrary.wiley.com/doi/full/10.1002/ar.23041
Date Issue: 2015
Appears in Collections:IB - Artigos e Outros Documentos

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