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Type: Artigo de periódico
Title: Effect Of Aloe Vera Application On The Content And Molecular Arrangement Of Glycosaminoglycans During Calcaneal Tendon Healing.
Author: Aro, Andrea Aparecida de
Esquisatto, Marcelo Augusto Marretto
Nishan, Umar
Perez, Mylena Oliveira
Rodrigues, Rodney Alexandre Ferreira
Foglio, Mary Ann
Carvalho, João Ernesto de
Gomes, Laurecir
Vidal, Benedicto De Campos
Pimentel, Edson Rosa
Abstract: Although several treatments for tendon lesions have been proposed, successful tendon repair remains a great challenge for orthopedics, especially considering the high incidence of re-rupture of injured tendons. Our aim was to evaluate the pharmacological potential of Aloe vera on the content and arrangement of glycosaminoglycans (GAGs) during tendon healing, which was based on the effectiveness of A. vera on collagen organization previously observed by our group. In rats, a partial calcaneal tendon transection was performed with subsequent topical A. vera application at the injury site. The tendons were treated with A. vera ointment for 7 days and excised on the 7(th) , 14(th) , or 21(st) day post-surgery. Control rats received ointment without A. vera. A higher content of GAGs and a lower amount of dermatan sulfate were detected in the A. vera-treated group on the 14(th) day compared with the control. Also at 14 days post-surgery, a lower dichroic ratio in toluidine blue stained sections was observed in A. vera-treated tendons compared with the control. No differences were observed in the chondroitin-6-sulfate and TGF-β1 levels between the groups, and higher amount of non-collagenous proteins was detected in the A. vera-treated group on the 21(st) day, compared with the control group. No differences were observed in the number of fibroblasts, inflammatory cells and blood vessels between the groups. The application of A. vera during tendon healing modified the arrangement of GAGs and increased the content of GAGs and non-collagenous proteins.
Subject: Dichroic Ratio
Non-collagenous Proteins
Rights: fechado
Identifier DOI: 10.1002/jemt.22422
Date Issue: 2014
Appears in Collections:Unicamp - Artigos e Outros Documentos

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