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- Title
Involvement of cytokines in the modulation and progression of renal fibrosis induced by unilateral ureteral obstruction in C57 BL/6 mice: effects of thalidomide and dexamethasone.
- Authors
Bersani‐Amado, Luiz Eduardo; Dantas, Jaílson Araujo; Damião, Marcio José; Rocha, Bruno Ambrósio; Besson, Jean Carlos Fernando; Bastos, Rafael Lucena; Silva, Letícia Nicoletti; Bersani–Amado, Ciomar Aparecida; Cuman, Roberto Kenji Nakamura
- Abstract
This study investigated the kinetics of cytokines that are involved in the development of interstitial fibrosis in mice that were subjected to UUO, the interstitial type I and III collagen deposition, and the effects of Thalido and Dexa treatment on these parameters. Inbred C57 BL/6 mice were divided into the groups: Normal (not submitted surgery), Sham (sham surgery), Control ( UUO treated with 0.5% carboxymethyl cellulose), Thalido ( UUO treated with 5 mg/kg thalidomide), and Dexa ( UUO treated with 1 mg/kg dexamethasone). The treatments began the day before surgery and were administered once daily by gavage for 1, 7, or 14 days. At the end of each treatment period, blood samples were collected for the determination of creatinine, urea, cytokines. The Control group exhibited a increase in creatinine concentration compared with the Normal and Sham groups within the first 24 h after UUO, which remained high until days 7 and 14. The urea concentration was higher on days 7 and 14 in the Control group compared with the Sham group. In the Thalido and Dexa groups, a reduction of serum creatinine concentration was seen on day 14. Treatment with Dexa reduced the serum concentration of urea on day 7. The serum concentrations of cytokines ( TNF-α, IL-1β, IL-6, IL-10 and IL-17) and chemokines ( KC, MIG, bFGF) increased in UUO mice at all of the sampling times. The Dexa and Thalido groups exhibited alterations in the concentrations of these cytokines, suggesting the involvement of anti-inflammatory and immunomodulatory mechanisms that may have modified the fibrosis framework.
- Subjects
CYTOKINES; RENAL fibrosis; URETERIC obstruction; THALIDOMIDE; DEXAMETHASONE
- Publication
Fundamental & Clinical Pharmacology, 2016, Vol 30, Issue 1, p35
- ISSN
0767-3981
- Publication type
Article
- DOI
10.1111/fcp.12162