Article Publish Status: FREE
Abstract Title:

Assessment of Anti HSV-1 Activity of Aloe Vera Gel Extract: an In Vitro Study.

Abstract Source:

J Dent (Shiraz). 2016 Mar ;17(1):49-54. PMID: 26966709

Abstract Author(s):

Fahimeh Rezazadeh, Maryam Moshaverinia, Mohammad Motamedifar, Montazer Alyaseri

Article Affiliation:

Fahimeh Rezazadeh


STATEMENT OF THE PROBLEM: Herpes simplex virus (HSV) infection is one of the most common and debilitating oral diseases; yet, there is no standard topical treatment to control it. The extract of Aloe vera leaves has been previously reported to have anti-inflammatory, antibacterial, and also antiviral effects. There is no data on anti-Herpes simplex virus type 1 (HSV-1) activity of Aloe vera gel.

PURPOSE: This study aimed to evaluate the anti-HSV-1 activity of Aloe vera gel in Vero cell line.

MATERIALS AND METHOD: In this study, gel extraction and cytotoxicity of various increasing concentrations of Aloe vera gel (0.2, 0.5, 1, 2, and 5%) was evaluated in Dulbecco's Modified Eagle Medium (DMEM) containing 2% fetal bovine serum (FBS). Having been washed with phosphate buffered saline, 50 plaque-forming units (PFU) of HSV-1 was added to each well. After 1 hour of incubation at 37°C, cell monolayers in 24 well plates were exposed to different increasing concentrations of Aloe vera gel. The anti-HSV-1 activity of Aloe vera gel in different concentrations was assessed by plaque reduction assays. Data were analyzed by using One-way ANOVA.

RESULTS: The cytotoxicity assay showed that Aloe vera in prearranged concentrations was cell-compatible. The inhibitory effect of various concentrations of Aloe vera was observed one hour after the Vero cell was infected with HSV-1. However, there was no significant difference between two serial concentrations (p>0.05). One-way ANOVA also revealed no significant difference between the groups. The findings indicated a dose-dependent antiviral effect of Aloe vera.

CONCLUSION: The findings showed significant inhibitory effect of 0.2-5% Aloe vera gel on HSV-1 growth in Vero cell line. Therefore, this gel could be a useful topical treatment for oral HSV-1 infections without any significant toxicity.

Study Type : In Vitro Study

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