Analysing potent biomarkers along phytochemicals for breast cancer therapy: an in silico approach

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Abstract
Purpose: This research focused on the identification of herbal compounds as potential anti-cancer drugs, especially for breast cancer, that involved the recognition of Notch downstream targets NOTCH proteins (1–4) specifically expressed in breast tumours as biomarkers for prognosis, along with P53 tumour antigens, that were used as comparisons to check the sensitivity of the herbal bio-compounds. Methods: After investigating phytochemical candidates, we employed an approach for computer-aided drug design and analysis to find strong breast cancer inhibitors. The present study utilized in silico analyses and protein docking techniques to characterize and rank selected bio-compounds for their efficiency in oncogenic inhibition for use in precise carcinomic cell growth control. Results: Several of the identified phytocompounds found in herbs followed Lipinski’s Rule of Five and could be further investigated as potential medicinal molecules. Based on the Vina score obtained after the docking process, the active compound Epigallocatechin gallate in green tea with NOTCH (1–4) and P53 proteins showed promising results for future drug repurposing. The stiffness and binding stability of green tea pharmacological complexes were further elucidated by the molecular dynamic simulations carried out for the highest scoring phytochemical ligand complex. Conclusion: The target-ligand complex of green tea active compound Epigallocatechin gallate with NOTCH (1–4) had the potential to become potent anti-breast cancer therapeutic candidates following further research involving wet-lab experiments.
Funding Information
  • University of Western Australia

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