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Antiviral activity of bioactive phytocompounds against coronavirus: An update.

ABSTRACT: Viral infections are one of the main cause of diseases worldwide due to the rising trends of migration, urbanization and global mobility of humans. The outbreak of corona virus diseases caused by SARS-CoV (year 2003), MERS-CoV (year 2012) and SARS-CoV-2 (year 2019) raised global health concerns. The side effects associated with the conventional drugs and increase in cases of anti-microbial resistance have led the researchers to switch to natural sources, especially plants, as they have immense potential to be used as antiviral agents. The aim of the article is to summarize the evidences of the bioactive phytocompounds from different plants as an effective alternative for the treatment of infections caused by coronaviruses. However, the use of most plant compounds succumbs to limitations due to lack of experimental evidences and safety studies. Therefore, further research and studies are required to validate their therapeutic uses for wide application of plant-based medicine, including anti-virals.

SUBMITTER: Bhattacharya R

PROVIDER: S-EPMC7826042 | biostudies-literature | 2021 Apr

REPOSITORIES: biostudies-literature

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Antiviral activity of bioactive phytocompounds against coronavirus: An update.

Bhattacharya Riya R Dev Kamal K Sourirajan Anuradha A

Journal of virological methods 20210123

Viral infections are one of the main cause of diseases worldwide due to the rising trends of migration, urbanization and global mobility of humans. The outbreak of corona virus diseases caused by SARS-CoV (year 2003), MERS-CoV (year 2012) and SARS-CoV-2 (year 2019) raised global health concerns. The side effects associated with the conventional drugs and increase in cases of anti-microbial resistance have led the researchers to switch to natural sources, especially plants, as they have immense p ...[more]

PMID: 33497729

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Project description:Hypericum perforatum L., also known as Saint John's Wort, has been well studied for its chemical composition and pharmacological activity. In this study, the antiviral activities of H. perforatum on infectious bronchitis virus (IBV) were evaluated in vitro and in vivo for the first time. The results of in vitro experiments confirmed that the antiviral component of H. perforatum was ethyl acetate extraction section (HPE), and results showed that treatment with HPE significantly reduced the relative messenger ribonucleic acid (mRNA) expression and virus titer of IBV, and reduced positive green immunofluorescence signal of IBV in chicken embryo kidney (CEK) cells. HPE treatment at doses of 480-120 mg/kg for 5 days, reduced IBV induced injury in the trachea and kidney, moreover, reduced the mRNA expression level of IBV in the trachea and kidney in vivo. The mRNA expression levels of IL-6, tumor necrosis factor alpha (TNF-?), and nuclear factor kappa beta (NF-?B) significantly decreased, but melanoma differentiation-associated protein 5 (MDA5), mitochondrial antiviral signaling gene, interferon alpha (IFN-?), and interferon beta (IFN-?) mRNA levels significantly increased in vitro and in vivo. Our findings demonstrated that HPE had significant anti-IBV effects in vitro and in vivo, respectively. In addition, it is possible owing to up-regulate mRNA expression of type I interferon through the MDA5 signaling pathway and down-regulate mRNA expression of IL-6 and TNF-? via the NF-?B signaling pathway. Moreover, the mainly active compositions of HPE analyzed by high-performance liquid chromatography/electrospray ionization-mass spectroscopy (ESI-MS) are hyperoside, quercitrin, quercetin, pseudohypericin, and hypericin, and a combination of these compounds could mediate the antiviral activities. This might accelerate our understanding of the antiviral effect of H. perforatum and provide new insights into the development of effective therapeutic strategies.

Dataset Information

Antiviral activity of bioactive phytocompounds against coronavirus: An update.

Publications

Antiviral activity of bioactive phytocompounds against coronavirus: An update.

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