Article Per Year (5 Year)
p-Index From 2021 - 2026
0
P-Index
This Author published in this journals
All Journal BIOTROPIA - The Southeast Asian Journal of Tropical Biology The Indonesian Biomedical Journal
Rizal Rizal
Biomolecular and Biomedical Research Center, Aretha Medika Utama, Bandung 40163
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Immunology & microbiology Public Health Veterinary

Published : 2 Documents Claim Missing Document
Claim Missing Document
Check
Articles

Found 2 Documents
Search

 1 
The Antioxidant and Cytotoxic Effects of Cosmos caudatus Ethanolic Extract on Cervical Cancer Betty Nurhayati; Ira Gustira Rahayu; Sonny Feisal Rinaldi; Wawan Sofwan Zaini; Ervi Afifah; Seila Arumwardana; Hanna Sari Widya Kusuma; Rizal Rizal; Wahyu Widowati
The Indonesian Biomedical Journal Vol 10, No 3 (2018)
Publisher : The Prodia Education and Research Institute (PERI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.18585/inabj.v10i3.441

Abstract

BACKGROUND: Oxidative stress is closely related to all aspects of cancer. Cosmos caudatus ethanolic extract (CCEE) has been proved to have antioxidant effect that inhibited cancer cell growth due to its bioactive compounds such as catechin, quercetin and chlorogenic acid. This study aimed to evaluate antioxidant and anticancer activity of CCEE and its compounds.METHODS: Total phenol was measured according to the Folin-Ciocalteu method. Catechin, quercetin and chlorogenic acid contained in CCEE were identified by high-performance liquid chromatography (HPLC). Antioxidant activity was evaluated by 2,2′-azino-bis-(3-ethylbenzthiazoline-6-sulfonic acid) (ABTS)-reducing activity, 1,1-diphenyl-2-picrylhydrazyl (DPPH) scavenging activity, and ferric reducing antioxidant power (FRAP) activity test. The cytotoxic activity of CCEE was determined by MTS [3-(4,5-dimethylthiazol-2-yl)-5-(3-carboxymethoxyphenyl)-2-(4-sulfophenyl)-2H-tetrazolium] assay on HeLa cells.RESULTS: The result showed that total phenol of CCEE was 181.64±0.93 µg Cathecin/mg extract. ABTSreducing activity test showed that catechin had the highest activity (2.90±0.04 µg/mL), while CCEE had moderate activity compared to other compounds. FRAP activity test demonstrated that catechin had the highest activity (315.83 µM Fe(II)/µg) compared to other compounds. DPPH scavenging activity of CCEE was 22.82±0.05 µg/mL. Cytotoxicity test on HeLa cell showed that CCEE had lower activity (inhibitory concentration (IC)50= 89.90±1.30 µg/mL) compared to quercetin (IC50 = 13.30±0.64 µg/ mL).CONCLUSION: CCEE has the lowest antioxidant activity compared to quercetin, catechin, and chlorogenic acid and has the lowest anticancer activity compared to quercetin. However, CCEE and its compounds has potential as antioxidant and anticancer properties.KEYWORDS: antioxidant, anticancer, catechin, Cosmos caudatus, quercetin
REGULATION OF ADIPOGENESIS AND KEY ADIPOGENIC GENE EXPRESSION BY MANGOSTEEN PERICARP EXTRACT AND XANTHONES IN 3T3-L1 CELLS Wahyu Widowati; Lusiana Darsono; Jo Suherman; Ervi Afifah; Rizal Rizal; Yukko Arinta; Tjandrawati Mozef; Tri Suciati
BIOTROPIA Vol. 27 No. 1 (2020): BIOTROPIA Vol. 27 No. 1 April 2020
Publisher : SEAMEO BIOTROP

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (13.545 KB) | DOI: 10.11598/btb.2020.27.1.932

Abstract

Obesity is one of the risk factors for atherosclerosis, and its occurrence and development are associated with fat accumulation and adipocyte differentiation. Thus, the suppression of adipocyte differentiation can be a potential anti-obesity approach. This study examined the effect of mangosteen pericarp extract (MPE) and xanthones (α-Mangostin (AM) and γ-Mangostin (GM)) on the expression of PPARγ, C/EBPα, SCD1, LPL, aP2, adipoQ, and FAS in 3T3-L1 cells. Concentrations of MPE and xanthones used were based on cytotoxicity assays on 3T3-L1 cells. Three different MPE concentrations (0, 25, and 50 µg/mL), three AM concentrations (0, 25, and 50 µM), and GM concentrations (0, 50, and 75 µM) were used. The expressions of PPARγ, C/EBPα, SCD1, LPL, aP2, adipoQ, and FAS genes were measured using real-time quantitative PCR. Gene expression was downregulated in cells treated with 50 µg/mL MPE and 50 µM GM. However, 25 µM and 50 µM AM did not suppress PPARγ and SCD1 expression. The 50 µM AM treatment also failed to reduce aP2 gene expression. Overall, MPE and GM demonstrated potential anti-adipogenesis and anti-obesity effects by suppressing the expression of PPARγ, C/EBPα, SCD1, LPL, aP2, adipoQ, and FAS in 3T3-L1 cells.
Co-Authors Betty Nurhayati Ervi Afifah Hanna Sari Widya Kusuma Ira Gustira Rahayu Jo Suherman Lusiana Darsono Seila Arumwardana Sonny Feisal Rinaldi Tjandrawati Mozef Tri Suciati Wahyu Widowati Wahyu Widowati Wawan Sofwan Zaini Yukko Arinta