Antiviral Activities of Indonesian Medicinal Plants in the East Java Region Against Hepatitis C Virus

Achmad Fuad and Tutik Sri Wahyuni and Lydia Tumewu and Adita Ayu Permanasari and Evhy Apriani and Myrna Adianti and Abdul Rahman and Aty Widyawaruyanti and Maria Inge Lusida and Soetjipto and Nasronudin and Hiroyuki Fuchino and Nobuo Kawahara and Ikuo Shoji and Lin Deng and Chie Aoki and Hak Hotta (2013) Antiviral Activities of Indonesian Medicinal Plants in the East Java Region Against Hepatitis C Virus. Virology Journal, 10.259. pp. 2-9. ISSN 1743-422X

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Background Hepatitis C virus (HCV) is a major cause of liver disease and a potential cause of substantial morbidity and mortality worldwide. The overall prevalence of HCV infection is 2%, representing 120 million people worldwide. Current standard treatment using pegylated interferon and ribavirin is effective in only 50% of the patients infected with HCV genotype 1, and is associated with significant side effects. Therefore, it is still of importance to develop new drugs for treatment of HCV. Antiviral substances obtained from natural products, including medicinal plants, are potentially good targets to study. In this study, we evaluated Indonesian medicinal plants for their anti-HCV activities. Methods Ethanol extracts of 21 samples derived from 17 species of medicinal plants explored in the East Java region were tested. Anti-HCV activities were determined by a cell culture method using Huh7.5 cells and HCV strains of 9 different genotypes (1a to 7a, 1b and 2b). Results Four of the 21 samples tested showed antiviral activities against HCV: Toona sureni leaves (TSL) with 50% inhibitory concentrations (IC50) of 13.9 and 2.0 μg/ml against the HCV J6/JFH1-P47 and -P1 strains, respectively, Melicope latifolia leaves (MLL) with IC50 of 3.5 and 2.1 μg/ml, respectively, Melanolepis multiglandulosa stem (MMS) with IC50 of 17.1 and 6.2 μg/ml, respectively, and Ficus fistulosa leaves (FFL) with IC50 of 15.0 and 5.7 μg/ml, respectively. Time-of-addition experiments revealed that TSL and MLL inhibited both at the entry and post-entry steps while MMS and FFL principally at the entry step. TSL and MLL inhibited all of 11 HCV strains of all the genotypes tested to the same extent. On the other hand, FFL showed significantly weaker inhibitory activities against the HCV genotype 1a strain, and MMS against the HCV strains of genotypes 2b and 7a to a lesser extent, compared to the other HCV genotypes. Conclusions Ethanol extracts of TSL, MLL, MMS and FFL showed antiviral activities against all the HCV genotypes tested with the exception that some genotype(s) showed significant resistance to FFL and to MMS to a lesser extent. These plant extracts may be good candidates for the development of anti-HCV drugs

Item Type: Article
Uncontrolled Keywords: Hepatitis C virus, HCV, Antiviral activity, Medicinal plants, Indonesia, Entry inhibition
Subjects: Q Science > QR Microbiology > QR355 Virology
R Medicine
R Medicine > RS Pharmacy and materia medica
R Medicine > RS Pharmacy and materia medica > RS1-441 Pharmacy and materia medica
Divisions: 05. Fakultas Farmasi > Farmakognosi Fitokimia
Tutik Sri WahyuniUNSPECIFIED
Adita Ayu PermanasariUNSPECIFIED
Aty WidyawaruyantiUNSPECIFIED
Maria Inge LusidaUNSPECIFIED
Hiroyuki FuchinoUNSPECIFIED
Depositing User: Mr M. Fuad Sofyan
Date Deposited: 08 May 2017 21:23
Last Modified: 16 Jul 2019 07:47
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