Title

Comparative evaluation of garlic (S-allylcysteine) and reduced glutathione in mitigating the toxopathologic effects of cyclophosphamide in urinary bladder

Document Type

Article

Abstract

© 2015, Journal of Pure and Applied Microbiology. All rights reserved. Garlic supplements have shown promise in the treatment of various diseases including the urinary bladder toxicity by cyclophosphamide (CP). Aged garlic extract, which contains S-allylcysteine as the bioactive sulfur compound, in particular is standardizable and highly tolerable, with little or no known harmful interactions. Here we describe biologically plausible mechanisms of garlic’s lowering of CP toxicity in urinary bladder compared to purified reduced glutathione that is a cellular antioxidant. Thiols are recognised as key components involved in the maintenance of redox balance. Their antioxidant activity may be both enzymatic and non-enzymatic. Both S-allylcsyteine (SAC) as well as reduced glutathione (GSH) are sulphur containing compounds with antioxidant activity. Administration of SAC and GSH (150 mg/kg/bw) administration in CP treated animals demonstrated comparable lowering of lipid peroxidation as well as increased GSH levels in the urinary bladder. Since oxidative stress mediated apoptosis is associated with CP urotoxicity, these toxic manifestations can be alleviated by use of SAC as we have already shown its mitigating effect on oxidative stress. Immunostaining of urinary bladder sections with Bax, Bcl2, Cytc showed the protection mediated as result of administration of SAC against CP-mediated apoptosis. Thus, the study shows that administration of SAC mitigated CP- induced urotoxicity by controlling oxidative stress and apoptosis in urothelium.

Keywords

Apoptosis, Oxidative stress, Protection, Reduced glutathione, S-allylcysteine

Publication Date

1-1-2015

Publication Title

Journal of Pure and Applied Microbiology

ISSN

09737510

Volume

9

Issue

Special Edition 1

First Page

49

Last Page

54

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