Tempol effect on epithelial-mesenchymal transition induced by hyperglycemia.

Autor: Jafari M; Pathology ward, Hamadan University of Medical Sciences, Hamadan, Iran., Dadras F; Nephrology Ward, Department of Internal Medicine, Iran University of medical Sciences, Tehran, Iran., Ghadimipour HR; Pathology ward, Hamadan University of Medical Sciences, Hamadan, Iran., Seif Rabiei MA; Department of Community Medicine, Hamdan University of Medical Sciences, Hamadan, Iran., Khoshjou F; Urology and Nephrology Research Center, Hamadan University of Medical Sciences, Hamadan, Iran.
Jazyk: angličtina
Zdroj: Journal of nephropathology [J Nephropathol] 2017 Jan; Vol. 6 (1), pp. 1-4. Date of Electronic Publication: 2016 Aug 03.
DOI: 10.15171/jnp.2017.01
Abstrakt: Background: One of common mechanisms in pathophysiology of chronic kidney diseases is epithelial-mesenchymal transition (EMT). On the other hand oxidative stress has been known to participate in kidney damage of diabetic nephropathy (DN).
Objectives: We studied if tempol, a well-known antioxidant agent, can ameliorate EMT in DN induced in male rats.
Materials and Methods: Twenty-seven male rats were equally divided in to 4 groups. Group I (control or C), group II (diabetic or D), group III (T) rats which was given tempol (100 mg/kg/day) by gavages for 28 days and group IV (D&T) was diabetic rats that also received same dose of tempol. After treatment, their kidneys were studied by immunohistochemicalstaining.
Results: Pathological changes in the kidney were detected concurrently with increasing kidney weight and urinary albumin excretion. In addition, EMT indices, i.e. decline of E-cadherin and increase of α SMA staining were significantly emerged in the renal tubular cells of diabetic group and were partially modified in diabetic group which were simultaneously treated by tempol.
Conclusions: Tempol can modify, but not significantly, EMT induced by DN.
Databáze: MEDLINE