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All Journal The Indonesian Biomedical Journal JKKI : Jurnal Kedokteran dan Kesehatan Indonesia
Scania, Alifah Evi
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Biochemistry, Genetics & Molecular Biology Medicine & Pharmacology Public Health

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Elephantopus scaber Linn. Leaf Extract Sensitizes Doxorubicin in Inducing Apoptosis in HSC-3 Tongue Cancer Cells through Inhibiting Survivin Activity at Thr34 Sandra, Ferry; Hayuningtyas, Ria Aryani; Ranggaini, Dewi; Pang, Tiffany; Scania, Alifah Evi; Lee, Kyung Hoon
The Indonesian Biomedical Journal Vol 16, No 4 (2024)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v16i4.3096

Abstract

BACKGROUND: Previous research has demonstrated the effect of Elephantopus scaber Linn. leaf extract (ESLE) on various cancer cell lines. However, research on the effects of ESLE on oral squamous cell carcinoma (OSCC), especially tongue cancer, is still lacking. Moreover, the apoptotic mechanisms induced by ESLE are not well understood and require further exploration. Therefore, this study was conducted to investigate the effects of ESLE on cell viability and apoptosis in human squamous cell carcinoma (HSC)-3 tongue cancer cells.METHODS: HSC-3 cells were treated with varying concentrations of ESLE, doxorubicin, and a combination of both. Cell viability and apoptosis were assessed using MTT and Sub-G1 assays. The expression levels of survivin and its phosphorylated form at threonine (Thr)34 were evaluated using Western blot analysis.RESULTS: ESLE exhibited a concentration-dependent cytotoxic effect on HSC-3 cells in decreasing cell viability (Kruskal Wallis, p=0.001) and increasing apoptotic cells (ANOVA, p=0.001) significantly. When combined with doxorubicin, ESLE further enhanced the induction of apoptosis compared with doxorubicin alone. The combined treatment resulted in a decrease in the levels of phosphorylated survivin (p-Surv) Thr34, indicating the inhibition of survivin's anti-apoptotic function.CONCLUSION: ESLE significantly enhances the efficacy of doxorubicin, thereby sensitizing its ability to induce apoptosis in HSC-3 tongue cancer cells. This sensitization occurs through the inhibition of survivin activity, particularly at the Thr34 phosphorylation site. These findings suggest that ESLE could serve as a potential adjuvant to improve the effectiveness of doxorubicin in inducing apoptosis in tongue cancer cells.KEYWORDS: Elephantopus scaber, doxorubicin, tongue cancer, HSC-3 cells, apoptosis, Survivin, Thr34 phosphorylation
Cosmos caudatus Leaf Extract Triggers Apoptosis of HSC-3 Cancer Cells by Decreasing Bcl-2 and Increasing Bax Sandra, Ferry; Rizal, Muhammad Ihsan; Dhaniar, Afifah Yumna; Scania, Alifah Evi; Lee, Kyung Hoon
The Indonesian Biomedical Journal Vol 16, No 3 (2024)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v16i3.3137

Abstract

BACKGROUND: Previous studies have demonstrated that Cosmos caudatus leaf extract (CCLE) exhibits cytotoxic effects against various types of human cancer. However, the CCLE cytotoxic effect towards oral squamous cell carcinoma (OSCC) cells has not been investigated. Therefore, this study was conducted to evaluate the effect of CCLE towards the viability and apoptosis in human oral squamous carcinoma (HSC)-3 cells.METHODS: HSC-3 cells were treated with various concentrations of CCLE for 24 h. The number of viable HSC-3 cells were measured using 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), meanwhile the apoptotic HSC-3 cells were measured using sub-G1 assay. Mitochondrial membrane potential was measured using flow cytometry. Bcl-2 and Bax protein content of HSC-3 cells were measured using enzyme-linked immunosorbent assay (ELISA).RESULTS: CCLE treatment could decrease the number of HSC-3 viable cells and increase the percentage of HSC-3 apoptotic cells in concentration-dependent manner. In mitochondrial membrane potential assay, CCLE-treated group displayed a peak shifment from 104 to 103. Bcl-2 protein contents of CCLE-treated group were decrease in concentration-dependent manner, meanwhile Bax protein contents of CCLE-treated group were increase in concentration-dependent manner.CONCLUSION: CCLE could trigger apoptosis in HSC-3 cells by decreasing Bcl-2 protein content and increasing Bax protein content in concentration-dependent manner, leading to intrinsic apoptotic pathway.KEYWORDS: Cosmos caudatus, HSC-3, apoptosis, mitochondrial membrane potential, Bcl-2, Bax
Stenochlaena palustris Ethanol Extract Decreases Viability and Induces G1-Phase Cell Cycle Arrest in HSC-3 Tongue Cancer Cells via p21 and p27 Sandra, Ferry; Ranggaini, Dewi; Halim, Johni; Taramalinda, Elizabeth Yuliani; Scania, Alifah Evi; Roeslan, Boedi Oetomo; Lee, Kyung Hoon
The Indonesian Biomedical Journal Vol 16, No 5 (2024)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v16i5.3308

Abstract

BACKGROUND: Oral squamous cell carcinoma (OSCC) of the tongue is an aggressive cancer with a poor prognosis due to its resistance to standard treatments. Stenochlaena palustris, a medicinal fern containing bioactive compounds, has shown potential anticancer properties. However, there is a lack of studies addressing the effects of S. palustris ethanol extract (SPEE) on tongue cancer. This study examined the effects of SPEE on the cell viability and cell cycle of human squamous cell carcinoma (HSC)-3 tongue cancer cells.METHODS: SPEE was prepared with the maceration method. HSC-3 cells were treated with SPEE at concentrations of 100, 500, and 1000 µg/mL for 24 and 48 hours. Cell viability was measured with 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. Cell cycle analysis was performed using flow cytometer. Immunoblotting was used to measure amount of cell cycle regulators, protein 21 (p21) and protein 27 (p27).RESULTS: SPEE treatment led to a significant decrease in HSC-3 viable cells in a concentration- and time-dependent manner, with the most pronounced effect at higher concentration and prolonged treatment time. There was a slightly increase in the percentage of cells in the Sub-G1 phase in SPEE-treated group, meanwhile there was a significant increase in the percentage of cells in the G1-phase. Increased amount of p21 and p27 were observed in SPEE-treated group.CONCLUSION: SPEE significantly inhibited HSC-3 cell proliferation in a concentration- and time-dependent manner, primarily by inducing G1-phase cell cycle arrest through the upregulation of p21 and p27. Taken together, SPEE could be a potential anti-cancer agent for tongue cancer cell. KEYWORDS: Stenochlaena palustris, tongue cancer, cytotoxic, cell cycle arrest, HSC-3 cells, p21, p27
Potential of endophytic bacteria as producers of antibiotics: A literature review Scania, Alifah Evi; Ibrahim, Fera
JKKI : Jurnal Kedokteran dan Kesehatan Indonesia JKKI, Vol 15, No 2, (2024)
Publisher : Faculty of Medicine, Universitas Islam Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20885/JKKI.Vol15.Iss2.art13

Abstract

Microbial infection is a significant contributing aspect to the development of diseases, posing ongoing challenges in - healthcare. Numerous synthetic antibiotic agents have been used as therapeutic interventions; however, many microorganisms exhibit resistance to these synthetic agents. The rate at which microbes developed resistance to antibiotics has outpaced the discoveries and study of new treatments. The potential of endophytic bacteria to produce bioactive compounds or metabolites that can serve as the basis for developing new antibiotic drugs is promising is promising. This review aims to explore the metabolite potential of endophytic bacteria as a source of antibiotics. Understanding the mechanism and potential of endophytic bacteria offers opportunities for the advancing therapeutic interventions to mitigate the negative effects of various strains of antibiotic-resistant pathogenic bacteria.
Co-Authors Boedi Oetomo Roeslan, Boedi Oetomo Dhaniar, Afifah Yumna Fera Ibrahim Ferry Sandra Halim, Johni Hayuningtyas, Ria Aryani Lee, Kyung Hoon Muhammad Ihsan Rizal, Muhammad Ihsan Pang, Tiffany Ranggaini, Dewi Taramalinda, Elizabeth Yuliani