Quantitative Assessment of the Relative Antineoplastic Potential of the n-butanolic Leaf Extract of Annona Muricata Linn. in Normal and immortalized Human Cell Lines

  • George, V. Cijo (School of Bio Sciences and Technology, VIT University) ;
  • Kumar, D.R. Naveen (School of Bio Sciences and Technology, VIT University) ;
  • Rajkumar, V. (School of Bio Sciences and Technology, VIT University) ;
  • Suresh, P.K. (School of Bio Sciences and Technology, VIT University) ;
  • Kumar, R. Ashok (Department of Zoology, Government Arts College)
  • Published : 2012.02.29


Natural products have been the target for cancer therapy for several years but there is still a dearth of information on potent compounds that may protect normal cells and selectively destroy cancerous cells. The present study was aimed to evaluate the cytotoxic potential of n-butanolic leaf extract of $Annona$ $muricata$ L. on WRL-68 (normal human hepatic cells), MDA-MB-435S (human breast carcinoma cells) and HaCaT (human immortalized keratinocyte cells) lines by XTT assay. Prior to cytotoxicity testing, the extract was subjected to phytochemical screening for detecting the presence of compounds with therapeutic potential. Their relative antioxidant properties were evaluated using the reducing power and $DPPH^*$radical scavenging assay. Since most of the observed chemo-preventive potential invariably correlated with the amount of total phenolics present in the extract, their levels were quantified and identified by HPLC analysis. Correlation studies indicated a strong and significant (P<0.05) positive correlation of phenolic compounds with free radical scavenging potential. The results revealed that the extract was moderately cytotoxic to normal cells with a mean IC50 value of 52.4 ${\mu}g$ when compared with those obtained for cancerous cells (IC50 values of 29.2 ${\mu}g$ for MDA-MB-435S and 30.1 ${\mu}g$ for HaCaT respectively). The study confirms the presence of therapeutically active antineoplastic compounds in the n-butanolic leaf extract of $Annona$ $muricata$. Isolation of the active metabolites from the extract is in prospect.


Antineoplastic;cytotoxicity in vitro;WRL 68;MDA MB 435S;HaCaT;cell lines


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