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  • Title: In vitro mitochondria-mediated anticancer and antiproliferative effects of Annona glabra leaf extract against human leukemia cells.
    Author: Liu Y, Liu D, Wan W, Zhang H.
    Journal: J Photochem Photobiol B; 2018 Dec; 189():29-35. PubMed ID: 30278342.
    Abstract:
    We investigated the in vitro mitochondria-mediated anticancer and antiproliferative effects of extracts of Annona glabra leafs on human leukemia cells. A. glabra is a tropical tree that exhibits several clinical and pharmacological properties in humans and is effective against cancer. We investigated the antiproliferative effects of an alcoholic extract of A. glabra on MC-1010 human monocytic leukemia cells (crl-12253) based on phytochemical analyses, cell viability, free radical scavenging activity, intracellular reactive oxygen species (ROS) levels, ATP content, mitochondrial fragmentation, and cell migration assays. The results indicated the presence of flavonoids, terpenoids, glycosides, steroids, saponins, tannins, anthraquinones, and acidic compounds in extracts. Leukemia cell viability was reduced up to 28% after incubation with the extract, while the free radical reducing power and scavenging activity were significantly increased. Higher concentrations of extract significantly inhibited leukemia cell colony formation. ROS increased up to 66% following incubation with extract, while the ATP content decreased up to 31%. Condensed, fragmented, and clumped mitochondria were observed in treated cells. In flow cytometric analyses, 10.7% and 22.4% of cells were apoptotic following incubation with 80 and 100 μg/mL extract, respectively. Moreover, treated leukemia cells exhibited reduced migratory potential. Overall, the results suggest that leaf extracts of A. glabra may act as potential anticancer agents against human leukemia cells.
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