Abstract Title:

Amelioration of anti-tuberculosis drug induced oxidative stress in kidneys by Spirulina fusiformis in a rat model.

Abstract Source:

Ren Fail. 2016 May 17:1-7. Epub 2016 May 17. PMID: 27183989

Abstract Author(s):

Sherry Joseph Martin, Evan Prince Sabina

Article Affiliation:

Sherry Joseph Martin

Abstract:

Nephrotoxicity is a rare complication caused by anti-tuberculosis therapy-induced oxidative stress. The Cyanobacterium Spirulina fusiformis Voronikhin belonging to Oscillatoriaceae family is used traditionally as a source of antioxidants against oxidative stress. We aimed to investigate the efficacy of S. fusiformis in modifying isoniazid (INH) and rifampicin (RIF)-induced changes in Wistar rat kidneys. Animals were divided into six groups: normal control rats; toxic control (INH&RIF-50 mg/kg b.w./d each; p.o.); INH&RIF + S. fusiformis (400 mg/kg b.w./d); INH&RIF + S. fusiformis (800 mg/kg b.w./d); S. fusiformis (800 mg/kg b.w./d) alone-treated rats; INH&RIF + silymarin (25 mg/kg b.w./d). Study duration was 28 d after which blood and kidneys were analyzed. We also studied the binding and interactions of the transcription factors Liver X Receptor (LXR) and Farnesoid X Receptor (FXR) with INH, RIF, and representative active compounds of S. fusiformis by in silico methods. INH&RIF treatment caused significant (p< 0.05) decrease in antioxidant levels and significant (p< 0.05) increase in the levels of creatinine, urea, and uric acid showing impaired kidney function. Spirulina fusiformis ameliorated these effects in a dose dependent manner. Histological examination of kidneys supported these findings. Results of the in silico analyses showed that selected activecomponents of S. fusiformis interact with LXR and FXR and could be a possible mechanism of action. S. fusiformis rendered protection against anti-tuberculosis drugs-induced oxidative stress in kidney tissues of rats.

Study Type : Animal Study

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