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Listyawati, Shanti,Sismindari, Sismindari,Mubarika, Sofia,Murti, Yosi Bayu,Ikawati, Muthi Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.1
Rhizomes of Boesenbergia pandurata (Roxb.) Schlecht have been reported to contain active compounds with anticancer properties. This research was carried out to examine anti-proliferative and apoptotic induction against HeLa and Vero cells-line. Dried powder of B. pandurata rhizomes was extracted by a maceration method using 90% ethanol. Cytotoxic assays to determine $IC_{50}$ and anti-proliferative effects were carried out by MTT methods. Observation of apoptosis was achieved with double staining using acridine orange and ethidium bromide. The results showed that ethanolic extract of B. pandurata was more cytotoxic against HeLa cells ($IC_{50}$ of $60{\mu}g/mL$) than Vero cells ($IC_{50}$ of $125{\mu}g/mL$). The extract had higher anti-proliferative activity as well as apoptotic induction in HeLa than Vero cells. Therefore, it was concluded that the ethanolic extract of B. pandurata had anti-proliferative as well as apoptosis induction activity dependent on the cell type.
Wicaksono, Psycha Anindya,Sismindari, Sismindari,Martien, Ronny,Ismail, Hilda Asian Pacific Journal of Cancer Prevention 2016 Asian Pacific journal of cancer prevention Vol.17 No.4
Ribosome-inactivating protein (RIP) from Mirabilis jalapa L. leaves has cytotoxic effects on breast cancer cell lines but is less toxic towards normal cells. However, it can easily be degraded after administration so it needs to be formulated into nanoparticles to increase its resistance to enzymatic degradation. The objectives of this study were to develop a protein extract of M. jalapa L. leaves (RIP-MJ) incorporated into nanoparticles conjugated with Anti-EpCAM antibodies, and to determine its cytotoxicity and selectivity in the T47D breast cancer cell line. RIP-MJ was extracted from red-flowered M. jalapa L. leaves. Nanoparticles were formulated based on polyelectrolyte complexation using low viscosity chitosan and alginate, then chemically conjugated with anti-EpCAM antibody using EDAC based on carbodiimide reaction. RIP-MJ nanoparticles were characterised for the particle size, polydispersity index, zeta potential, particle morphology, and entrapment efficiency. The cytotoxicity of RIP-MJ nanoparticles against T47D and Vero cells was then determined with MTT assay. The optimal formula of RIP-MJ nanoparticles was obtained at the concentration of RIP-MJ, low viscosity chitosan and alginate respectively 0.05%, 1%, and 0.4% (m/v). RIP-MJ nanoparticles are hexagonal with high entrapment efficiency of 98.6%, average size of 130.7 nm, polydispersity index of 0.380 and zeta potential +26.33 mV. The $IC_{50}$ values of both anti-EpCAM-conjugated and non-conjugated RIP-MJ nanoparticles for T47D cells (13.3 and $14.9{\mu}g/mL$) were lower than for Vero cells (27.8 and $33.6{\mu}g/mL$). The $IC_{50}$ values of conjugated and non-conjugated RIP-MJ for both cells were much lower than $IC_{50}$ values of non-formulated RIP-MJ (>$500{\mu}g/mL$).
Ikawati, Zullies,Sudjadi, Sudjadi,Elly, Widyaningsih,Puspitasari, Dyah,Sismindari, Sismindari Kyung Hee Oriental Medicine Research Center 2003 Oriental pharmacy and experimental medicine Vol.3 No.3
The leaves of Mirabilis jalapa L contains protein fraction presumed ribosome-inactivating protein (RIP). RIP is a group of protein that has RNA N-glycosidase activity that is capable to inhibit protein synthesis. Protein fraction of the plant was shown to be cytotoxic on HeLa cell-line, however, the mechanism by which the protein kill the cells is not identified yet, whether trough apoptosis, necrosis, or other mechanism. This research aim to study the mechanism of cell death caused by the protein fraction isolated from the leaves of this plant on HeLa and Raji cell-line, as representative of different kind of cancer cells. Results showed that protein fraction isolated from the leaves of Mirabilis jalapa L was more cytotoxic to HeLa cell-line (LC50: 0.65 mg/ml) than to Raji cell-line (1.815 mg/ml) on 48 hours incubation time. Moreover, it was demonstrated that the death of HeLa cells caused by the protein fraction was due to induction of apoptosis, while on Raji cell-line was due to non-apoptosis way, presumably via necrosis.