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Transitional metaplasia in intestinal epithelium of rats submitted to intestinal cystoplasty and treatment with L -lysine

Santos, Alessandra Marques dos; Coelho, Joao Paulo Ferreira; Juanes, Camila de Carvalho; Azevedo, Rafael Barbosa de; Diniz, Clara Araujo; Jamacaru, Francisco Vagnaldo Fechine; Dornelas, Conceição Aparecida.
Acta cir. bras.; 32(4): 297-306, Apr. 2017. ilus, tab
Artigo em Inglês | VETINDEX | ID: vti-694957

Resumo

Purpose: To evaluated the effects of L-lysine on the intestinal and urothelial epithelia in cystoplasty in rats. Methods: Twenty-eight 9-week-old rats were assigned to 4 groups: Group A (n=8) cystoplasty followed by administration of L-lysine (150 mg/kg body weight by gavage) for 30 weeks; Group B (n=8) cystoplasty + water for 30 weeks; Group C (n=6) L-lysine for 30 weeks; Group D (n=6) water for 30 weeks. Results: On histopathology with hematoxylin and eosin, mild to moderate hyperplasia transitional was observed in at the site of anastomosis in all animals submitted to cystoplasty (Groups A and B), but "transitional metaplasia" of the intestinal glandular epithelium was more accentuated in Group A (p=0.045). No inflammatory cells, dysplasia or abnormalities were observed. Staining with Alcian blue revealed a substantial reduction of goblet cells and mucins in the colon segment (Groups A and B). Conclusion: The administration of L-lysine to rats accelerated the development of transitional metaplasia in the epithelium of the colon segment in cystoplasty.(AU)
Biblioteca responsável: BR68.1
Localização: BR68.1