Journal
JOURNAL OF BIOMOLECULAR STRUCTURE & DYNAMICS
Volume 41, Issue 19, Pages 9770-9786Publisher
TAYLOR & FRANCIS INC
DOI: 10.1080/07391102.2022.2146202
Keywords
Human papillomavirus; enrichment analysis; molecular docking; Quinic acid; signaling pathway; molecular dynamics simulation
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This study conducted a comprehensive analysis of cervical cancer-related genes and identified six key genes. Through docking and screening, Quinic acid was found to be a multitargeted compound.
The cervix is the lowermost part of the uterus that connects to the vagina, and cervical cancer is a malignant cervix tumour. One of this cancer's most important risk factors is HPV infection. In the approach to finding an effective treatment for this disease, various works have been done around genomics and drug discovery. Finding the major altered genes was one of the most significant studies completed in the field of cervical cancer by TCGA (The Cancer Genome Atlas), and these genes are TGFBR2, MED1, ERBB3, CASP8, and HLA-A. The greatest genomic alterations were found in the PI3K/MAPK and TGF-Beta signalling pathways, suggesting that numerous therapeutic targets may come from these pathways in the future. We, therefore, conducted a combined enrichment analysis of genes gathered from various works of literature for this study. The final six key genes from the list were obtained after enrichment analysis using GO, KEGG, and Reactome methods. The six proteins against the identified genes were then subjected to a docking-based screening against a library of 6,87,843 prepared natural compounds from the ZINC15 database. The most stable compound was subsequently discovered through virtual screening to be the natural substance Quinic acid, which also had the highest binding affinity for all six proteins and a better docking score. To examine their stability, the study was extended to MM/GBSA and MD simulations on the six docked proteins, and comparative docking-based calculations led us to identify the Quinic Acid as a multitargeted compound. The overall deviation of the compound was less than 2 angstrom for all the complexes considered best for the biological molecules, and the simulation interaction analysis reveals a huge web of interaction during the simulation. Communicated by Ramaswamy H. Sarma
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