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KMID : 1200820190190010027
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Oriental Pharmacy and Experimental Medicine
2019 Volume.19 No. 1 p.27 ~ p.36
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Caesalpinia sappan L. heartwood ethanolic extract exerts genotoxic inhibitory and cytotoxic effects
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Meiyanto Edy
Lestari Beni
Sugiyanto Raisatun Nisa
Jenie Riris Istighfari
Utomo Rohmad Yudi
Sasmito Ediati
Murwanti Retno
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Abstract
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Brazilin and brazilein, the major compounds of Caesalpinia sappan L. (CS) have been reported to possess antioxidant and cytotoxic activities and could potentially be used as an antigenotoxic as well as an anticancer. This study was conducted to investigate the cytotoxic and antigenotoxic effects of CS ethanolic extract (CEE). In vivo mammalian micronucleus test of CEE at the dose of 500 mg/kg BW and 1000 mg/kg BW decreased the number of MNPCE and increased the ratio of PCE to NCE meaning that CEE performed antigenotoxic effect in an in vivo model. In contrast, CEE and doxorubicin (DOXO) performed cytotoxic effect on CHO-K1 cells under MTT assay with IC50 values of 67 μg/mL and 6 μM, respectively. Interestingly, treatment of CEE in combination with DOXO and H2O2 as genotoxic inducer decreased intracellular ROS levels. In addition, in vitro genotoxicity study by using cytokinesis-block micronucleus (CBMN) assay, both of Giemsa staining and flow cytometric analysis showed that the treatment of CEE increased the number of micronuclei and correlated with apoptotic induction results. Moreover, the combination of CEE and DOXO induced cells accumulation in Sub-G1 and G2/M phase. In conclusion, CEE performed antigenotoxic effect in an in vivo model and cytotoxic effect on CHO-K1 cells.
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KEYWORD
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Caesalpinia sappan L., CHO-K1 cells, Cytotoxic, Antigenotoxic, ROS
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