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Advanced Neurology                                             Role of Panax ginseng in neuronal complications



                                                               with the significance level set at 0.05. The parameters
                                                               set for this analysis were medium network and two-
                                                               sided  hypergeometric  test  with  Bonferroni  correction.
                                                               Eventually, the functional network was analyzed and
                                                               visualized using algorithmic organic layout.

                                                               2.5. Docking study
                                                               Four compounds (gensinside, panaxydol, panaxynol, and
                                                               panaxytriol) were chosen to dock with the selected targets
                                                               (Glutathione S-transferase P1 [GSTP1], HSP90, and
                                                               Mitogen-activated protein kinases [MAPK8]) in search of
                                                               a suitable ligand that could match and favorably bind with
                                                               the  protein .  The  preparation  of  ligands  was  performed
                                                                        [27]
                                                               by searching the PubChem database, after which the ligand
                                                               structures were saved in mdl. format (v3000). This file was
                                                               then visualized in AutoDock (version 4.2). The non-polar H
                                                                                                             2
                                                               atoms were combined while the torsion value was defined
                                                               to  default.  Kollman  and  Gasteiger  charges  were  affixed
                                                               with the aid of default parameters. To deduce the function
                                                               of the acquired protein targets in neuronal damage, three-
                                                               dimensional structure of the acquired protein targets was
                                                               downloaded from the PDB database in.pdb format (www.rcsb.
                                                               org). The structure was visualized in AutoDock (version 4.2),
                                                               after which the H O molecules and the polar H  atoms were
                                                                            2
                                                                                                   2
                                                               deleted and added, respectively. The same software was used
                                                               to dock the compounds with GSTP1, HSP90, and MAPK8.
                                                               All the compounds were individually docked with the same
                                                               ligand, after the grid-box for all compounds was assigned
                                                               before  docking, where  grid  parameters were established
                                                               to  affirm  the  binding  of  ligands  to  the  binding  sites  of
                                                               protein, and the output was saved in the GPF format. The
                                                               number of runs was adjusted to 30, while Lamarckian-GA
                                                               (version 4.2) was chosen for processing the output file. The
                                                               binding energy was selected as the main mode of result
            Figure 1. Flowchart of systematic procedure utilized in this study.  elucidation, which was saved in pdbqt. format. The lowest
                                                               binding energy scores of ligand-proteins were chosen and
            2.3. Network construction and analysis             saved in.pdb format and were utilized for further analysis.
                                                               The interaction of ligand-proteins was elucidated further by
            The protective role and pharmacological action of   Discovery Studio 2020 (BIOVIA).
            P. ginseng and its bioactive compounds with the associated
            targets and biological pathways were ascertained using the   3. Results
            STITCH database version 5.0 , which is a comprehensive
                                   [24]
            online database containing the knowledge of more than   3.1. Retrieval of chemical ingredients and their
            2000 organisms and around 10 million proteins and their   targets
            interactions. To investigate the interaction of  P. ginseng   According to the outcomes collected from TCMSP, the
            compounds with its target proteins, PPIN was constructed   enlistment of phytochemical compounds from a literature
            and analyzed.                                      search revealed 66 compounds in P. ginseng (Table 1) and
                                                               102 potential targets (Table S1), of which three were found
            2.4. GO and pathway enrichment analysis            in H. sapiens, which were standardized using UniProt.
            The therapeutic potential of associated proteins against
            neuronal damage was analyzed and revealed through   3.2. Network construction and analysis
            GO enrichment analysis, which was carried out using   STITCH database was employed to construct an intricate
            Cytoscape (version  3.4.0) and its plug-in ClueGO [25,26] ,   PPI network, which consists of the subsequent association


            Volume 1 Issue 2 (2022)                         3                        https://doi.org/10.36922/an.v1i2.44
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