<![CDATA[Cervical cancer caused by exposure to Human Papilloma Virus (HPV) through sexual intercourse can be treated with Doxorubicin. Doxorubicin shows side effects so it needs to be combined with co-chemotherapy. Rosella (Hibiscus sabdariffa L.) The main content of anthocyanins is cytotoxic to HeLa cells. The purpose of this study was to find co-chemotherapy combination of Doxorubicin and Rosella extract with apoptosis mechanism and Rosella antiproliferation. The research method starts from the maceration process of Rosella petals using 96% ethanol. Cytotoxic test method, antiproliferation test, apoptosis, and combination test with MTT method using HeLa cells. The result of cytotoxic test showed IC50 of Rosella extract was 32.3 ± 2.15 µg/mL and IC50 of Doxorubicin was 2.68 ± 0.09 µg/mL. The antiproliferation test results in the control cell doubling time of 28.25 ± 0.21 hours while the concentration of Rosella extract at levels of 32.3; 16.15; and 8.08 µg/mL doubling time of 53.23 ± 0.20 hours, 39.02 ± 0.19 hours and 46.74 ± 0.23 hours so that it shows the inhibition of cell multiplication growth. The IC results show the combination of 4.04 µg/mL Rosella Flower Extract and 2.67 µg/mL Doxorubicin which is 0.0013 can be interpreted as a very strong synergistic effect (0.0013 ≤ 0.1). So it can be concluded the combination of ethanol extract Rosella flowers has antiproliferation properties through the mechanism of delaying the doubling time.]]>
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