Dataset Information

Virtual screening and computational simulation analysis of antimicrobial photodynamic therapy using propolis-benzofuran A to control of Monkeypox.

ABSTRACT:

Background

Monkeypox is a viral zoonotic disease and there are no available treatments that specifically target the monkeypox virus. Antimicrobial photodynamic therapy (aPDT) is a non-invasive approach that has been introduced as a targeted adjuvant treatment against various microbial infections. In this study, we used a computational strategy to investigate the potential of aPDT using propolis-benzofuran A against the Monkeypox virus.

Methods

In this in silico study, the evaluation of drug-likeness, molecular properties, and bioactivity of propolis-benzofuran A was carried out using SwissADME. Pro-Tox II and OSIRIS servers were used to identify the organ toxicities and toxicological endpoints of propolis-benzofuran A. Molecular docking approach was employed to screen the potential binding modes of propolis-benzofuran A ligand with the Monkeypox virus A48R protein (PDB ID: 2V54).

Results

The results of the computational investigation revealed that propolis-benzofuran A obeyed all the criteria of Lipinski's rule of five and exhibited drug-likeness. The photosensitizing agent tested was categorized as toxicity class-5 and was found to be non-hepatotoxic, non-carcinogenic, non-mutagenic, and non-cytotoxic. The docking studies employing a predicted three-dimensional model of Monkeypox virus A48R protein with propolis-benzofuran A ligand exhibited good binding affinity (-7.84 kcal/mol).

Discussion

The computational simulation revealed that propolis-benzofuran A had a strong binding affinity with the Monkeypox virus A48R protein. Hence, aPDT based on this natural photosensitizer can be proposed as an adjuvant treatment against the Monkeypox virus.

SUBMITTER: Pourhajibagher M

PROVIDER: S-EPMC9675939 | biostudies-literature | 2022 Nov

REPOSITORIES: biostudies-literature

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Publications

Virtual screening and computational simulation analysis of antimicrobial photodynamic therapy using propolis-benzofuran A to control of Monkeypox.

Pourhajibagher Maryam M Bahador Abbas A

Photodiagnosis and photodynamic therapy 20221120

<h4>Background</h4>Monkeypox is a viral zoonotic disease and there are no available treatments that specifically target the monkeypox virus. Antimicrobial photodynamic therapy (aPDT) is a non-invasive approach that has been introduced as a targeted adjuvant treatment against various microbial infections. In this study, we used a computational strategy to investigate the potential of aPDT using propolis-benzofuran A against the Monkeypox virus.<h4>Methods</h4>In this in silico study, the evaluati ...[more]

PMID: 36417972

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Project description:BackgroundMonkeypox is a viral zoonotic disease that has emerged as a threat to public health. Currently, there is no treatment approved specifically targeting Monkeypox disease. Hence, it is essential to identify and develop therapeutic approaches to the Monkeypox virus. In the current in silico paper, we comprehensively involve using computer simulations and modeling to insights and predict hypotheses on the potential of natural photosensitizers-mediated targeted antimicrobial photodynamic therapy (aPDT) against D8L as a Monkeypox virus protein involved in viral cell entry.Materials and methodsIn the current study, computational techniques such as molecular docking were combined with in silico ADMET predictions to examine how Curcumin (Cur), Quercetin (Qct), and Riboflavin (Rib) as the natural photosensitizers bind to the D8L protein in Monkeypox virus, as well as to determine pharmacokinetic properties of these photosensitizers.ResultsThe three-dimensional structure of the D8L protein in the Monkeypox virus was constructed using homology modeling (PDB ID: 4E9O). According to the physicochemical properties and functional characterization, 4E9O was a stable protein with the nature of a hydrophilic structure. The docking studies employing a three-dimensional model of 4E9O with natural photosensitizers exhibited good binding affinity. D8L protein illustrated the best docking score (-7.6 kcal/mol) in relation to the Rib and displayed good docking scores in relation to the Cur (-7.0 kcal/mol) and Qct (-7.5 kcal/mol).ConclusionsThe findings revealed that all three photosensitizers were found to obey the criteria of Lipinski's rule of five and displayed drug-likeness. Moreover, all the tested photosensitizers were found to be non-hepatotoxic and non-cytotoxic. In summary, our investigation identified Cur, Qct, and Rib could efficiently interact with D8L protein with a strong binding affinity. It can be concluded that aPDT using these natural photosensitizers may be considered an adjuvant treatment against Monkeypox disease.

Project description:A promising alternative to antibiotics for treatment of Staphylococcus aureus infections is photodynamic inactivation (PDI), which employs a photosensitizer (PS) that produces cytotoxic reactive oxygen species (ROS) when exposed to molecular oxygen and antimicrobial blue light in the spectrum of 400-470 nm. Although the precise mechanistic basis of PDI has not been defined, the formation of ROS and free radicals that oxidize a number of cellular targets, including membrane lipids, damage to proteins and nucleic acids result in inactivation of essential cellular functions and subsequent cell death. Because PDI is non-selective and affects multiple cellular targets, development of resistance or tolerance to PDI has been considered to be unlikely and attempts to induce S. aureus resistance or tolerance upon repeated sub-lethal doses of PDI have not succeeded. However, multiple aspects of PDI suggest that development of tolerance is highly probable, in particular when PDI is used for treatment of infections where the environment at the infection site prevents penetration of PDI at a level sufficient to cause death of all bacteria and with tolerant phenotypes emerging from the surviving bacteria. In this study, we sought to identify the mechanisms that contribute to PDI tolerance in S. aureus. S. aureus HG003 and the isogenic HG003DmutSL strain with defects in DNA mismatch repair were used to evaluate the response of S. aureus and the roles of DNA mismatch repair and gene regulatory networks to repeated sublethal doses of PDI. Global transcriptome and genome analyses were used in an agnostic approach to identify the underlying transcriptional responses and genetic adaptations that occur as a result of repeated PDI and contribute to PDI tolerance. Our results reveal multiple metabolic, transport and cell wall biogenesis pathways that contribute to PDI tolerance, and a S. aureus regulatory gene likely responsible for the adaptive transcriptional response to PDI.

Dataset Information

Virtual screening and computational simulation analysis of antimicrobial photodynamic therapy using propolis-benzofuran A to control of Monkeypox.

Background

Methods

Results

Discussion

Publications

Virtual screening and computational simulation analysis of antimicrobial photodynamic therapy using propolis-benzofuran A to control of Monkeypox.

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