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Life Sci ; 266: 118880, 2021 Feb 01.
Artículo en Inglés | MEDLINE | ID: mdl-33310039

RESUMEN

AIMS: Cisplatin (CP) is an antineoplastic widely used in the treatment of various solid tumors, however, its clinical application is limited by nephrotoxicity. Here, we compared the impact of preconditioning with high-intensity interval training (HIIT) with continuous training of low (LIT) and moderate (MIT) intensity on innate immunity markers in female rats with CP-induced acute kidney injury. MATERIALS AND METHODS: The rats were divided into five groups (n = 7): saline control and sedentary (C + S); CP and sedentary (CP + S); CP and LIT (CP + LIT); CP and MIT (CP + MIT) and CP and HIIT (CP + HIIT). The training intensity was determined by a maximum running test. At the end of training, the rats received a single dose of CP (5 mg/kg), and 7 days later they were euthanized. We evaluated renal function parameters (serum creatinine, glomerular filtration rate and proteinuria), renal structure, macrophage tissue infiltration, immunolocalization of nuclear transcription factor kappa B (NF-κB), renal levels of tumor necrosis factor-alpha (TNF-α), interleukin 1ß (IL-1ß), and interleukin 6 (IL-6), and gene expression of monocyte chemoattractant protein-1 (MCP-1), toll-like receptor 4 (TLR4), and NF-κB in renal tissue. KEY FINDINGS: Although both MIT and HIIT attenuated the degree of renal injury, only the HIIT prevented changes in renal function. The three training protocols mitigated the increase in expression of all inflammatory markers, however, this effect was more pronounced in HIIT. SIGNIFICANCE: All training protocols promoted renoprotective actions, but HIIT was more effective in mitigating CP-induced acute kidney injury, in part by modulation of important markers of the innate immune response.


Asunto(s)
Biomarcadores/metabolismo , Cisplatino/toxicidad , Entrenamiento de Intervalos de Alta Intensidad , Mediadores de Inflamación/metabolismo , Inflamación/tratamiento farmacológico , Enfermedades Renales/prevención & control , Condicionamiento Físico Animal , Animales , Antineoplásicos/toxicidad , Femenino , Inflamación/inducido químicamente , Inflamación/metabolismo , Inflamación/patología , Enfermedades Renales/inducido químicamente , Enfermedades Renales/patología , Ratas , Ratas Wistar
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