{"title":"Antiviral potential of phenolic compounds against HSV-1: In-vitro study.","authors":"Shahrzad Zangooie, Reza Ghanbari, Farid Azizi Jalilian, Shahab Mahmoudvand, Ali Teimoori","doi":"10.1177/13596535241271589","DOIUrl":null,"url":null,"abstract":"<p><strong>Background: </strong>This in vitro study aimed to investigate the effect of several phenolic compounds, including doxorubicin, quercetin, and resveratrol, on HSV-1 infection.</p><p><strong>Methods: </strong>The cytotoxicity of the drugs was assessed on Vero cells using the MTT assay. HSV-1 was treated with the drugs, and the supernatants were collected at various time points. TCID50% and qPCR tests were conducted on the supernatants to determine viral titration post-inoculation.</p><p><strong>Results: </strong>The TCID50% assay showed significant changes in viral titration for acyclovir, doxorubicin, and quercetin at most concentrations (<i>p</i>-value < .05), while no significant changes were observed for resveratrol. The qPCR results demonstrated that drug-treated HSV-1 exhibited a significant reduction in DNA titers at various time points compared to non-treated HSV-1 infected Vero cells, except doxorubicin (0.2 µM) and acyclovir (5 µm). However, over time, DNA virus levels gradually increased in the drug-treated groups. Notably, at certain concentrations of doxorubicin and quercetin-treated groups, virus titer significantly declined, similar to acyclovir.</p><p><strong>Conclusions: </strong>Our findings suggest that quercetin at concentrations of 62 and 125 µM significantly reduced HSV-1 infectivity, as well as these two concentrations of quercetin showed a significant difference in virus reduction compared with acyclovir (10 µM) at certain time points. The anti-inflammatory properties of quercetin, in contrast to acyclovir, make it a potential candidate for anti HSV-1 treatment in life-threatening conditions such as Herpes encephalitis. Additionally, doxorubicin, an anticancer drug, showed meaningful inhibition of HSV-1 at non-toxic concentrations of 2 and 8 µM, suggesting its potential interference with HSV-1 in viral-oncolytic therapy in cancer treatment.</p>","PeriodicalId":8364,"journal":{"name":"Antiviral Therapy","volume":"29 5","pages":"13596535241271589"},"PeriodicalIF":1.3000,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Antiviral Therapy","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1177/13596535241271589","RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"INFECTIOUS DISEASES","Score":null,"Total":0}
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Abstract
Background: This in vitro study aimed to investigate the effect of several phenolic compounds, including doxorubicin, quercetin, and resveratrol, on HSV-1 infection.
Methods: The cytotoxicity of the drugs was assessed on Vero cells using the MTT assay. HSV-1 was treated with the drugs, and the supernatants were collected at various time points. TCID50% and qPCR tests were conducted on the supernatants to determine viral titration post-inoculation.
Results: The TCID50% assay showed significant changes in viral titration for acyclovir, doxorubicin, and quercetin at most concentrations (p-value < .05), while no significant changes were observed for resveratrol. The qPCR results demonstrated that drug-treated HSV-1 exhibited a significant reduction in DNA titers at various time points compared to non-treated HSV-1 infected Vero cells, except doxorubicin (0.2 µM) and acyclovir (5 µm). However, over time, DNA virus levels gradually increased in the drug-treated groups. Notably, at certain concentrations of doxorubicin and quercetin-treated groups, virus titer significantly declined, similar to acyclovir.
Conclusions: Our findings suggest that quercetin at concentrations of 62 and 125 µM significantly reduced HSV-1 infectivity, as well as these two concentrations of quercetin showed a significant difference in virus reduction compared with acyclovir (10 µM) at certain time points. The anti-inflammatory properties of quercetin, in contrast to acyclovir, make it a potential candidate for anti HSV-1 treatment in life-threatening conditions such as Herpes encephalitis. Additionally, doxorubicin, an anticancer drug, showed meaningful inhibition of HSV-1 at non-toxic concentrations of 2 and 8 µM, suggesting its potential interference with HSV-1 in viral-oncolytic therapy in cancer treatment.
期刊介绍：
Antiviral Therapy (an official publication of the International Society of Antiviral Research) is an international, peer-reviewed journal devoted to publishing articles on the clinical development and use of antiviral agents and vaccines, and the treatment of all viral diseases. Antiviral Therapy is one of the leading journals in virology and infectious diseases.
The journal is comprehensive, and publishes articles concerning all clinical aspects of antiviral therapy. It features editorials, original research papers, specially commissioned review articles, letters and book reviews. The journal is aimed at physicians and specialists interested in clinical and basic research.
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