Apoptotic and antioxidant activities of methanol extract of Mussaenda roxburghii leaves
Journal Title: Pakistan Journal of Pharmaceutical Sciences - Year 2015, Vol 28, Issue 6
Abstract
Present research work was designed to study the anticancer and antioxidant activities of methanol extract of Mussaenda roxburghii. Anticancer activity of MMR has been carried out on Ehrlich ascites carcinoma (EAC) cells with three different doses (20, 40 and 60 mg/kg/day) by observing different parameters such as tumor weight, survival time of EAC-bearing mice, growth inhibition of EAC cells, morphological changes and nuclear damage of EAC cells etc. whereas antioxidant activity was determined by measuring total antioxidant, DPPH free radical scavenging, ferrous reducing capacity assay. The extract showed highest anticancer activity at 60 mg/kg day¬-1(i.p.). It caused 81.4% (P<0.01) cells growth inhibition and reduced tumor burden significantly (78.5%; P<0.001) in comparison to control. It also increased life span of EAC-bearing mice significantly (73.5%; P<0.01). MMR treated EAC cells showed membrane blebbing, chromatin condensation, nuclear fragmentation (apoptotic feature) in Hoechst 33342 staining under fluorescence microscope. DNA fragmentation assay in agarose gel (1.5%) electrophoresis also rectified that it causes EAC cells death by apoptosis. MMR also exhibited moderate antioxidant properties in dose dependent manner. Thus, this plant can therefore be considering a resource for natural chemo-preventive drugs as well as a possible pharmaceutical supplement.
Authors and Affiliations
Farhadul Islam , Obayed Raihan , Dipjoy Chowdhury , Mahbuba Khatun , Natasha Zuberi , Laboni Khatun , Afrina Brishti , Entaz Bahar
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