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2015 ; 5
(ä): 18314
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Protective effects of madecassoside against Doxorubicin induced nephrotoxicity in
vivo and in vitro
#MMPMID26658818
Su Z
; Ye J
; Qin Z
; Ding X
Sci Rep
2015[Dec]; 5
(ä): 18314
PMID26658818
show ga
Madecassoside (MA), a triterpenoid saponin isolated from C. asitica, exerts
various pharmacological activity including antioxidative and antinflammatory.
Doxorubicin (DOX), a common chemotherapeutic drug, has been reported to induce
numerous toxic side effects including renal-toxicity. We hypothesized that MA
administration may decrease renal-toxicity caused by DOX. In this study, we
investigated this hypothesis by introducing MA and DOX into the culture of Human
Proximal Tubule Cells HK-2 and mice model. Our in vivo study demonstrated that MA
(12?mg/kg), treatment for two weeks attenuated DOX-induced renal injury via
protecting renal function, recovering antioxidant enzyme activity, inhibiting
Bax, p-ERK1/2, NF-?B p65, iNOS expression and increasing Bcl-2 expression.
Similar findings were obtained in our in vitro studies with treatment of DOX
and/or MA. Further studies with application of iNOS inhibitor and ERK1/2 kinase
inhibitor indicated that the inhibitory effects of MA on DOX-induced apoptosis
and inflammation might be mediated by the suppression of the activation of
cleaved caspase-3, ERK1/2 pathways, NF-?B p65 and NO production. These results
suggest that MA is a promising protective agent for DOX-induced renal toxicity
and can be a potential candidate to protect against renal toxicity in DOX-treated
cancer patients.