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Fibrogenesis and epithelial coating of skin wounds in rats treated with angico extract (Anadenanthera colubrina var. cebil)

Pessoa, Wagner Soares; Estevão, Lígia Reis de Moura; Simões, Ricardo Santos; Mendonça, Fábio de Souza; Evêncio-Luz, Luis; Baratella-Evêncio, Liriane; Florencio-Silva, Rinaldo; Sá, Fabrício Bezerra de; Evêncio-Neto, Joaquim.
Acta cir. bras.; 30(5): 353-358, May 2015. ilus, graf
Artigo em Inglês | VETINDEX | ID: vti-22935


PURPOSE: To evaluate the effects of angico bark extract (Anadenanthera colubrina var. cebil) in the healing process of the skin of rats.METHODS: Twenty adult male rats were divided into four groups of five animals each, according to the respective postoperative days, as follow: G4, G7, G14 and G21. Each group received two incisions on skin and subcutaneous tissue in the right and left antimere of the thoracic region, separated by a distance of 2 cm. The right lesion was treated daily with saline and the left with the angico alcoholic extract (5%). At the end of each experimental period, the animals were euthanized and fragments of the wound area with the edges were removed, fixed in 10% formaldehyde solution and processed for paraffin embedding. Histological sections (5 m of thickness) were stained with hematoxylin and eosin (HE), Gomori trichromic and picrosisirus red for morphological and morphometric analyses. Statistical analysis was done by ANOVA and Tukey-Kramer test (p 0.05).RESULTS: Morphological analysis showed larger fibroblasts and a higher concentration of collagen fibers in skyn wounds treated with the angico extract. Morphometric analysis demonstrated a significant increase in the number of fibroblasts at 7th and collagen in 7th and 14th days (p 0.01) in wounds treated with the angico extract.CONCLUSION: The angico alcoholic extract (Anadenanthera colubrina var. cebil) induces the acceleration of wound healing in skin wounds of rats.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1