Riris Istighfari Jenie
Departement of Pharmaceutical Chemistry, Faculty of Pharmacy, Universitas Gadjah Mada

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Red Betel Leaves Methanolic Extract (Piper crocatum Ruiz & Pav.) Increases Cytotoxic Effect of Doxorubicin on WiDr Colon Cancer Cells through Apoptosis Induction Nindi Wulandari; Argandita Meiftasari; Hilyatul Fadliyah; Riris Istighfari Jenie
Indonesian Journal of Cancer Chemoprevention Vol 9, No 1 (2018)
Publisher : Indonesian Society for Cancer Chemoprevention

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14499/indonesianjcanchemoprev9iss1pp1-8

Abstract

Doxorubicin is a chemotherapeutic agent that causes a lot of side effects in high doses. Thus, combination with a co-chemotherapeutic agent which can increase its toxicity on cancer cells, is needed to reduce its therapeutic dose. Red betel leaves (Piper crocatum Ruiz & Pav.) have been known to contain flavonoids and alkaloids that have anticancer activity. This study was conducted to determine the cytotoxic effect and apoptosis induction of red betel leaves methanolic extract (RBM), doxorubicin (dox) and the combination of them on WiDr cells as model of colon cancer. RBM was extracted by soxhlet method using methanol. Cytotoxicity assay was performed using MTT assay for both single and combination treatments for 24 hours to determine IC50 and CI as their parameters. Apoptosis induction was analyzed by double staining method using ethidium bromide-acridine orange staining. Treatment of RBM and dox on WiDr cells for 24 hours showed cytotoxic activity with IC50 100 μg/mL and 1.6 μM respectively. Combination of RBM and dox performed synergism effect with CI<0.9 (p<0.05). Combination of RBM (12.5 μg/mL) and dox (0.4 μM) increased the number of apoptosis cells compared to each single treatment. Based on this study, it can be concluded that red betel leaves methanolic extract is potential to be developed as a co-chemotherapeutic agent of doxorubicin on colon cancer but still need further study to disclose the underlying molecular mechanisms.Keywords :  Red betel leaves (Piper crocatum Ruiz & Pav.), doxorubicin, WiDr cells, co- chemotherapeutic agent
Combination of Curcuma (Curcuma xanthorriza Roxb) Rhizome Ethanolic Extract and Awar-Awar (Ficus septica Burm.F) Leaves Ethanolic Extract Increases Cisplatin Cytotoxicity on T47D Breast Cancer Cells through Cell Cycle Modulation Devi Nisa Hidayati; Riris Istighfari Jenie; Edy Meiyanto
Indonesian Journal of Cancer Chemoprevention Vol 8, No 3 (2017)
Publisher : Indonesian Society for Cancer Chemoprevention

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14499/indonesianjcanchemoprev8iss3pp120-125

Abstract

Curcuma (Curcuma xanthorriza Roxb.) and Awar-awar ((Ficus septica Burm.f.) are well known to have anticancer potential especially for breast cancer with low toxicity. This study aims to examine the potential effect of the combination of Curcuma ethanolic extracts (CEE) and awar-awar leaves ethanolic extract (AEE) to increase the efficacy of cisplatin toward T47D breast cancer cells. The combination activity was done using 3 series of concentration, 1/3; 1/6 and 1/12 of IC50, to determine the combination index (CI) of cisplatin, CEE and AEE under MTT assay. The result showed that the combination of 2.5 µM, 5 µg/ml, 1 µg/ml concentrations of  cisplatin, CEE and AEE respectively result in synergistic effect with CI values less than 1. The treatment exhibited the cell accumulation in S phase (27.7%) against T47D breast cancer cells confirmed through cell cycle examination by flow cytometry. These results provided the evidence that the CEE and the AEE can be developed as co-chemotherapeutic agents combined with cisplatin to improve the effectiveness of breast cancer treatment.Keywords : Curcuma xanthorriza Roxb., Ficus septica Burm.f., cisplatin, cell cycle
A Comparison of Antimetastatic Activity between Nerium indicum and Cinnamomum burmannii on 4T1 Cells Beni Lestari; Laeli Muntafiah; Ziana Walidah; Riris Istighfari Jenie
Indonesian Journal of Cancer Chemoprevention Vol 8, No 2 (2017)
Publisher : Indonesian Society for Cancer Chemoprevention

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14499/indonesianjcanchemoprev8iss2pp85-93

Abstract

Metastatic process becomes a major problem in advanced cancer cases. Natural compounds found in several plants in Indonesia have a potency to be developed as chemoterapeutic agent which are targeted to metastatic process. Jure leaves (Nerium indicum) which contain oleandrin and cinnamaldehyde in cinnamon bark (Cinnamomum burmannii) reported to have cytotoxic activity on several cancer cells, but their activities on metastasic process have never been explored. This research aims to reveal and to compare their anti-metastatic effect toward 4T1 breast cancer cells. The cytotoxicity of jure leaves extract (JLE) and cinnamon essential oil (CEO) was obtained by MTT assay. Metastatic process mainly on cell migration was examined by scratch wound healing assay while MMP-9 expression that described the invassion process was observed by gelatin zymography assay. Molecular interaction between their active compounds and MMP-9 receptor was predicted by molecular docking. The result showed that treatment with JLE and CEO inhibited the growth of 4T1 cells with IC50 value of 125 µg/mL and 2.5 µg/mL, respectively. In addition, JLE performed inhibitory effect of cell migration better than CEO. Meanwhile, both JLE and CEO decreased MMP-9 protein expression. Thus, JLE and CEO have potentials to be developed as an anti-metastatic agent and JLE could be more effective.Key words: Nerium indicum, Cinnamomum burmannii, anti-metastasis, scratch assay, gelatin zimography