Repurposing Pheophorbide a as an Antiviral Molecule for Human Papillomavirus type 16

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ID: 287748
2025
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Abstract
The emergence of human papillomavirus (HPV) among the human population in different regions of the world has heightened the interest for new treatment methods. Molecular docking is a reliable and predictive method for screening of new potential antiviral molecules against pathogens. The retrieved 42 high-quality whole-genome sequences of HPV were analyzed in search of a stable region which is exist in the genome. The protein encoded by this stable region was targeted for protein-ligand interaction. Consequently, a target constant region which is responsible for encoding the C-terminal domain (monomer) of the HPV45 oncoprotein E7 (PDB: 2ewl) with various regulatory functions for the virus was detected. A ligand “Pheophorbide a (C35H36N4O5)” interacts with this protein, which could be used against HPV. Pheophorbide a has also been commercially used for cancer treatments due to its anti-proliferative effects and photosensitizer property in photodynamic therapy. This possible antiviral property of Pheophorbide a should be tested on other high-risk and low-risk Papillomaviruses since the E7 oncoprotein also plays a central role in many other HPV types. The predictive results need confirmation with further clinical and in vitro studies. The findings will provide new insights into HPV-human cell interactions, induced immunity, and new methods for HPV treatment.
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persistent_1760865847_68f4ae3777d45 Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Ragıp Soner Silme
Journal karadeniz fen bilimleri dergisi
Year 2025
DOI
10.31466/kfbd.1607109
URL
https://dergipark.org.tr/tr/pub/kfbd/issue/92467/1607109
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