Journal
JOURNAL OF MICROBIOLOGY BIOTECHNOLOGY AND FOOD SCIENCES
Volume 11, Issue 5, Pages -Publisher
SLOVAK UNIV AGRICULTURE NITRA
DOI: 10.55251/jmbfs.4289
Keywords
Antiviral; Dengue; Flavonoids; Ocimum sanctum; Orientin
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Funding
- International Medical University [MBT-2018(01)]
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The flavonoid orientin, known for its antioxidative properties, was investigated for potential antiviral effects against DENV2 in this study. However, the results showed that orientin did not exhibit any antiviral effects on THP-1 cells infected with DENV2.
Orientin, a flavonoid known for its significant antioxidative properties, has also shown to possess antiviral properties against some viruses. Nevertheless, up to now, there was no report on its ability against dengue virus. This study investigated the effects of orientin against DENV2 infecting human monocyte, THP-1 cells. THP-1 cells infected with DENV2 (3.16??102 TCID50/mL) were treated with a maximum non-toxic dose (MNTD) of orientin (0.053 ?? 0.006 ??M) for two days. Cytopathic effect (CPE) formation was observed after two days, followed by measurement of the percentage of cell viability using 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay. The treatment was compared to cells infected with DENV2 only, cells treated with orientin at MNTD only, and control cells. The MNTD of orientin on THP-1 cells were determined to be 0.053 ?? 0.006 ??M. Treatment of DENV2 infected THP-1 cells with the MNTD of orientin showed CPE formation similar to the THP-1 cells infected with DENV2 only. The MTT assay showed that orientin did not exhibit antiviral activity against DENV2 infecting THP-1 cells. Percentage of cell viability of the orientin treated cells and DENV2infected cells were not significantly different. Orientin at MNTD does not exhibit antiviral effects on THP-1 cells infected with DENV2.
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