Abstract
Herbal medicines have recently been developed for the treatment of infectious diseases. The aim of this study was to investigate the therapeutic potential of Phoenix dactylifera fruit and kernel extracts against herpes simplex virus type 1 (HSV-1) in an animal model. Five, 10, and 15% (w/w) concentrations of aqueous, ethanol, and acetone extracts of kernel and fruit of Phoenix dactylifera were used for the formulation of cream-based drugs for the treatment of HSV-1-infected mice. The clinical improvement was evaluated using lesion scoring and histopathological assessments. Our results demonstrated that there is a potent antiviral activity associated with Phoenix dactylifera extract against HSV-1 infections. Treatment with cream containing 5% Phoenix dactylifera kernel ethanol extract was observed as the most efficient therapeutic potential to treat HSV-1-infected mice. Lesion scoring assessment and histopathological analysis showed more effective and faster antiviral activity of this treatment than other extracts and concentrations in comparison with the acyclovir, as the reference drug, for the treatment of HSV-1 infections. These findings suggest that Phoenix dactylifera extract may be considered as an alternative to acyclovir and potential phototherapeutic against HSV-1 diseases; however, randomized clinical trial studies are strongly needed to ensure the quality, safety, and efficacy of the drug.
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Acknowledgements
This research was supported by Medical Microbiology Research Center, Qazvin University of Medical Sciences. Also, we thank our colleagues from Qazvin University of Medical Science who assisted us in this research.
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The animal experiment at the present study was done upon approval by the ethical committee board, Faculty of medicine, Qazvin University of Medical Science, Tehran, Iran (2016/08/10/008).
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Allahyari, S., Pakbin, B., Amani, Z. et al. Antiviral activity of Phoenix dactylifera extracts against herpes simplex virus type 1: an animal study. Comp Clin Pathol 30, 945–951 (2021). https://doi.org/10.1007/s00580-021-03293-2
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DOI: https://doi.org/10.1007/s00580-021-03293-2