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Molecular docking analysis of piperlongumine with different apoptotic proteins involved in Hepatocellular Carcinoma.

ABSTRACT: Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer. Numerous signalling pathways are involved in hepatocellular carcinoma. Piperlongumine is a potential candidate for the treatment of hepatocellular carcinoma. Therefore, it is of interest to document the molecular docking analysis of piperlongumine with different apoptotic proteins involved in Hepatocellular Carcinoma. Piperlongumine was docked with the HCC targets such as vascular endothelial growth factor (VEGF), epidermal growth factor receptor, Aurora-2, Nuclear factor Kappa-B (NF-KB), Jak2 Kinase, Fibroblast growth factor receptor 4, Bcl-2-like protein 1,Apopain, and Apoptosis regulator Bcl-2 using in-silico technique with the software grid-based ligand docking with energies. Piperlongumine exhibited the highest negative energy value (E-value) of -6.58 kcal/mol with vascular endothelial growth factor receptor 2, followed by -5.46, -5.34, -5.31, and -5.29 kcal/mol with 1M17, 2BMC, 1SVC, 4C61, 4XCU with epidermal growth factor receptor, aurora-2, nuclear factor Kappa-B (NF-KB), Jak2 kinase, and fibroblast growth factor receptor 4 (FGFR4), respectively for further consideration.

SUBMITTER: Kumar A

PROVIDER: S-EPMC9049083 | biostudies-literature | 2021

REPOSITORIES: biostudies-literature

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Molecular docking analysis of piperlongumine with different apoptotic proteins involved in Hepatocellular Carcinoma.

Kumar Ashish A Sharma Ambika A Handu Shailendra S Singh Jagjit J Naithani Manisha M

Bioinformation 20210930 9

Hepatocellular carcinoma (HCC) is the most common type of primary liver cancer. Numerous signalling pathways are involved in hepatocellular carcinoma. Piperlongumine is a potential candidate for the treatment of hepatocellular carcinoma. Therefore, it is of interest to document the molecular docking analysis of piperlongumine with different apoptotic proteins involved in Hepatocellular Carcinoma. Piperlongumine was docked with the HCC targets such as vascular endothelial growth factor (VEGF), ep ...[more]

PMID: 35539886

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Project description:BackgroundTaraxacum mongolicum (TM) is a widely used herb. Studies have reported that TM exhibits growth-inhibitory and apoptosis-inducing on multiple tumors, including hepatocellular carcinoma (HCC). The active ingredients, targets, and molecular mechanisms of TM against HCC need to be further elucidated.MethodsWe identified the active ingredients and targets of TM via HERB, PubChem, SwissADME, SwissTargetPrediction, and PharmMapper. We searched HCC targets from GeneCards, Comparative Toxicogenomics Database (CTD), and DisGeNET. Then, the intersection of drug targets and disease targets was uploaded to the STRING database to construct protein-protein interactions (PPI) networking whose topology parameters were analyzed in Cytoscape software to screen hub targets. Next, we used Metascape for Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) enrichment analysis, and we employed AutoDock vina, AMBER18 and PyMOL software along with several auxiliary tools for molecular docking and molecular dynamics (MD) simulation. Finally, based on the in silico findings, cellular experiments were conducted to investigate the effect of TM on HSP90AA1 gene expression.ResultsA total of 228 targets and 35 active ingredients were identified. Twenty two hub targets were selected through PPI networking construction for further investigation. The enrichment analysis showed that protein kinase binding, mitogenactivated protein kinase (MAPK) and phosphatidylinositol 3-kinase (PI3K)/Akt signaling pathways were mainly involved. Molecular docking and MD simulation results supported good interaction between HSP90 protein and Austricin/Quercetin. The in vitro assay showed that TM inhibited the proliferation of HepG2 cells and the expression of HSP90AA1 gene.ConclusionsThis study is the first to use network pharmacology, molecular docking, MD simulation and cellular experiments to elucidate the active ingredients, molecular targets, and key biological pathways responsible for TM anti-HCC, providing a theoretical basis for further research.

Project description:BACKGROUND:Hepatocellular carcinoma (HCC) is the major type of primary liver cancer. Intrahepatic metastasis, such as portal vein tumor thrombosis (PVTT), strongly indicates poor prognosis of HCC. But now, there are limited understandings of the molecular features and mechanisms of those metastatic HCCs. METHODS:To characterize the molecular alterations of the metastatic HCCs, we implemented an integrative analysis of the copy number variations (CNVs), DNA methylations and transcriptomes of matched adjacent normal, primary tumor and PVTT samples from 19 HCC patients. RESULTS:CNV analysis identified a frequently amplified focal region chr11q13.3 and a novel deletion peak chr19q13.41 containing three miRNAs. The integrative analysis with RNA-seq data suggests that CNVs and differential promoter methylations regulate distinct oncogenic processes. Then, we used individualized differential analysis to identify the differentially expressed genes between matched primary tumor and PVTT of each patient. Results show that 5 out of 19 studied patients acquire evidential progressive alterations of gene expressions (more than 1000 differentially expressed genes were identified in each patient). While, another subset of eight patients have nearly identical gene expressions between the corresponding matched primary tumor and PVTT. Twenty genes were found to be recurrently and progressively differentially expressed in multiple patients. These genes are mainly associated with focal adhesion, xenobiotics metabolism by cytochrome P450 and amino acid metabolism. For several differentially expressed genes in metabolic pathways, their expressions are significantly associated with overall survivals and vascular invasions of HCC patients. The following transwell assay experiments validate that they can regulate invasive phenotypes of HCC cells. CONCLUSIONS:The metastatic HCCs with PVTTs have significant molecular alterations comparing with adjacent normal tissues. The recurrent alteration patterns are similar to several previously published general HCC cohorts, but usually with higher severity. By an individualized differential analysis strategy, the progressively differentially expressed genes between the primary tumor and PVTT were identified for each patient. A few patients aquire evidential progressive alterations of gene expressions. And, experiments show that several recurrently differentially expressed genes can strongly regulate HCC cell invasions.

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Molecular docking analysis of piperlongumine with different apoptotic proteins involved in Hepatocellular Carcinoma.

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Molecular docking analysis of piperlongumine with different apoptotic proteins involved in Hepatocellular Carcinoma.

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