The effect of active compound isolated from the leaves of kembang bulan [Tithonia diversifolia (Hemsley) A. Gray] on cell cycle and angiogenesis of WiDr cell line
https://doi.org/10.19106/JMedScie004503201301
Hajid Rahmadianto Mardihusodo
(1*) , Mae Sri Hartati Wahyuningsih
(2) , Indwiani Astuti
(3)
(1) Postgraduate Program in Biomedical Sciences, Faculty of Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia
(2) Department of Pharmacology and Therapy, Faculty of Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia
(3) Department of Pharmacology and Therapy, Faculty of Medicine, Universitas Gadjah Mada, Yogyakarta, Indonesia
(*) Corresponding Author
Abstract
Colorectal cancer is the tenth most common form of malignant tumor of hospital inpatients in Indonesia. Advance approaches in anticancer development is discovery molecular-targeted drugs. Molecular targets for anticancer drug have been identified including genes associated with cell cycle control and angiogenesis. Previously, an active and selective compound against WiDr from Tithonia diversifolia (Hemsley) A. has been isolated. The aim of this study was to evaluate the effect of the isolated active compound fromT. diversifolia on the WiDr cell cycle and angiogenesis. Isolation of the active compound was performed by preparative thin layer chromatography (TLC) method. WiDr cell cycle was analyzed by flowcytometry using propidium iodide (PI). Antiangiogenesis effect was evaluated by immunocytochemistry method using anti-human VEGF monoclonal antibody. The results showed that the effect of the isolated active compound on the WiDr cell cycle depended on the concentration and the incubation time periods. At concentration of 4 μg/mL, it inhibited the WiDr cell cycle SubG1 phase after 36 and 48 hours incubation and G1 phase after 72 hours incubation. While at concentration of 8 μg/mL, it clearly inhibited the WiDr cell cycle G1 phase after 36, 48 and 72 hours incubation. Furthermore, the isolated active compound at concentration of 4 μg/mL significantly inhibited the VEGF expression until 47.38% compared to control. In conclusion, the isolated active compound fromT. diversifolia inhibited cell cycle and angiogenesis of WiDr cell.
Keywords
isolated active compound – T. diversifolia - WiDr cells - cell cycle – antiangiogenesis
DOI:
https://doi.org/10.19106/JMedScie004503201301
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