L-glutamine supplementation reduced morphological damage in the renal glomerulus of rats with Walker-256 tumor.
Acta Cir Bras
; 38: e383923, 2023.
Article
em En
| MEDLINE
| ID: mdl-37851784
ABSTRACT
PURPOSE:
To evaluate the effects of the experimental subcutaneous Walker-256 tumor and L-glutamine supplementation, an antioxidant, on the glomerular morphology of rats.METHODS:
Twenty Wistar rats were distributed into four groups (n = 5) control (C); control treated with 2% L-glutamine (CG); rats with Walker-256 tumor (WT); and rats with Walker-256 tumor treated with 2% L-glutamine (WTG). Renal histological samples were submitted to periodic acid-Schiff and Masson's Trichrome staining to analyze glomerular density, morphometry of glomerular components and glomerulosclerosis; and to immunohistochemistry for fibroblast growth factor-2 (FGF-2).RESULTS:
WT showed 50% reduction in body mass gain and cachexia index > 10%, while WTG demonstrated reduction in cachexia (p < 0.05). WT revealed reduction of glomerular density, increase in the glomerular tuft area, mesangial area, matrix in the glomerular tuft, decrease in the urinary space and synechia, and consequently higher glomerulosclerosis (p < 0.05). L-glutamine supplementation in the WTG improved glomerular density, and reduced glomerular tuft area, urinary space, mesangial area, and glomerulosclerosis compared to WT(p < 0.05). WT showed higher collagen area and FGF-2 expression compared to C (p < 0.05). WTG presented lower collagen fibers and FGF-2 expression compared to WT (p < 0.05).CONCLUSIONS:
L-glutamine supplementation reduced cachexia and was beneficial for glomerular morphology of the rats, as well as it reduced kidney damage and improved the remaining glomeruli morphology.
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Base de dados:
MEDLINE
Assunto principal:
Glutamina
/
Neoplasias
Idioma:
En
Revista:
Acta Cir Bras
Ano de publicação:
2023
Tipo de documento:
Article