Abstract:
:Hitherto unknown protective effect of N,α-L-rhamnopyranosyl vincosamide (VR), isolated from Moringa oleifera leaves in isoproterenol (ISO)-induced cardiac toxicity was evaluated in rats. Oral administration of VR at 40 mg/kg for 7 days markedly reduced the ISO-induced increase in the levels of serum cardiac markers such as troponin-T, creatine kinase-MB, lactate dehydrogenase and glutamate pyruvate transaminase as well as cardiac lipid peroxidation with a parallel increase in the cellular antioxidants suggesting its cardio-protective and free radical scavenging potential, which was latter confirmed by in vitro study. Rats treated with test compound also improved the ISO-induced abnormal changes in ECG as well as in cardiac histology. A reduction in myocardial necrosis was further evidenced by the tri-phenyl tetrazolium chloride (TTC) stain in isolated test drug pretreated rats. These findings suggest the cardio-protective potential of the isolated alkaloid and possibly the beneficial action is mediated through its free radical scavenging property.
journal_name
Bioorg Med Chem Lettjournal_title
Bioorganic & medicinal chemistry lettersauthors
Panda S,Kar A,Sharma P,Sharma Adoi
10.1016/j.bmcl.2012.12.060subject
Has Abstractpub_date
2013-02-15 00:00:00pages
959-62issue
4eissn
0960-894Xissn
1464-3405pii
S0960-894X(12)01654-Xjournal_volume
23pub_type
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