Current computer-aided drug design最新文献

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Virtual Screening of Flavonoids against Plasmodium vivax Duffy Binding Protein Utilizing Molecular Docking and Molecular Dynamic Simulation. 利用分子对接和分子动力学模拟虚拟筛选针对间日疟原虫达菲结合蛋白的黄酮类化合物
IF 1.5 4区 医学
Current computer-aided drug design Pub Date : 2024-01-01 DOI: 10.2174/1573409919666230626140339
Muhammad Yasir, Jinyoung Park, Eun-Taek Han, Won Sun Park, Jin-Hee Han, Yong-Soo Kwon, Hee-Jae Lee, Wanjoo Chun
{"title":"Virtual Screening of Flavonoids against <i>Plasmodium vivax</i> Duffy Binding Protein Utilizing Molecular Docking and Molecular Dynamic Simulation.","authors":"Muhammad Yasir, Jinyoung Park, Eun-Taek Han, Won Sun Park, Jin-Hee Han, Yong-Soo Kwon, Hee-Jae Lee, Wanjoo Chun","doi":"10.2174/1573409919666230626140339","DOIUrl":"10.2174/1573409919666230626140339","url":null,"abstract":"<p><strong>Background: </strong><i>Plasmodium vivax (P. vivax)</i> is one of the highly prevalent human malaria parasites. Due to the presence of extravascular reservoirs, <i>P. vivax</i> is extremely challenging to manage and eradicate. Traditionally, flavonoids have been widely used to combat various diseases. Recently, biflavonoids were discovered to be effective against <i>Plasmodium falciparum</i>.</p><p><strong>Methods: </strong>In this study, <i>in silico</i> approaches were utilized to inhibit Duffy binding protein (DBP), responsible for Plasmodium invasion into red blood cells (RBC). The interaction of flavonoid molecules with the Duffy antigen receptor for chemokines (DARC) binding site of DBP was investigated using a molecular docking approach. Furthermore, molecular dynamic simulation studies were carried out to study the stability of top-docked complexes.</p><p><strong>Results: </strong>The results showed the effectiveness of flavonoids, such as daidzein, genistein, kaempferol, and quercetin, in the DBP binding site. These flavonoids were found to bind in the active region of DBP. Furthermore, the stability of these four ligands was maintained throughout the 50 ns simulation, maintaining stable hydrogen bond formation with the active site residues of DBP.</p><p><strong>Conclusion: </strong>The present study suggests that flavonoids might be good candidates and novel agents against DBP-mediated RBC invasion of <i>P. vivax</i> and can be further analyzed in in vitro studies.</p>","PeriodicalId":10886,"journal":{"name":"Current computer-aided drug design","volume":" ","pages":"616-627"},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9687122","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Discovery of a Potential Allosteric Site in the SARS-CoV-2 Spike Protein and Targeting Allosteric Inhibitor to Stabilize the RBD Down State using a Computational Approach. 利用计算方法发现 SARS-CoV-2 Spike 蛋白中的潜在异构位点并锁定异构抑制剂以稳定 RBD 下降状态。
IF 1.5 4区 医学
Current computer-aided drug design Pub Date : 2024-01-01 DOI: 10.2174/1573409919666230726142418
Tong Li, Zheng Yan, Wei Zhou, Qun Liu, Jinfeng Liu, Haibing Hua
{"title":"Discovery of a Potential Allosteric Site in the SARS-CoV-2 Spike Protein and Targeting Allosteric Inhibitor to Stabilize the RBD Down State using a Computational Approach.","authors":"Tong Li, Zheng Yan, Wei Zhou, Qun Liu, Jinfeng Liu, Haibing Hua","doi":"10.2174/1573409919666230726142418","DOIUrl":"10.2174/1573409919666230726142418","url":null,"abstract":"<p><strong>Background: </strong>The novel coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) has led to a worldwide public health crisis. At present, the development of effective drugs and/or related therapeutics is still the most urgent and important task for combating the virus. The viral entry and associated infectivity mainly rely on its envelope spike protein to recognize and bind to the host cell receptor angiotensin-converting enzyme 2 (ACE2) through a conformational switch of the spike receptor binding domain (RBD) from inactive to active state. Thus, it is of great significance to design an allosteric inhibitor targeting spike to lock it in the inactive and ACE2-inaccessible state.</p><p><strong>Objective: </strong>This study aims to discover the potential broad-spectrum allosteric inhibitors capable of binding and stabilizing the diverse spike variants, including the wild type, Delta, and Omicron, in the inactive RBD down state.</p><p><strong>Methods: </strong>In this work, we first detected a potential allosteric pocket within the SARS-CoV-2 spike protein. Then, we performed large-scale structure-based virtual screening by targeting the putative allosteric pocket to identify allosteric inhibitors that could stabilize the spike inactive state. Molecular dynamics simulations were further carried out to evaluate the effects of compound binding on the stability of spike RBD.</p><p><strong>Results: </strong>Finally, we identified three potential allosteric inhibitors, CPD3, CPD5, and CPD6, against diverse SARS-CoV-2 variants, including Wild-type, Delta, and Omicron variants. Our simulation results showed that the three compounds could stably bind the predicted allosteric site and effectively stabilize the spike in the inactive state.</p><p><strong>Conclusion: </strong>The three compounds provide novel chemical structures for rational drug design targeting spike protein, which is expected to greatly assist in the development of new drugs against SARS-CoV-2.</p>","PeriodicalId":10886,"journal":{"name":"Current computer-aided drug design","volume":" ","pages":"784-797"},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9870602","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Banxia Xiexin Decoction Prevents HT22 Cells from High Glucose-induced Neurotoxicity via JNK/SIRT1/Foxo3a Signaling Pathway. 半夏泻心汤通过JNK/SIRT1/Foxo3a信号通路防止HT22细胞受高血糖诱导的神经毒性影响
IF 1.5 4区 医学
Current computer-aided drug design Pub Date : 2024-01-01 DOI: 10.2174/1573409920666230822110258
Yinli Shi, Pei Sheng, Ming Guo, Kai Chen, Yun Zhao, Xu Wang, Mianhua Wu, Bo Li
{"title":"Banxia Xiexin Decoction Prevents HT22 Cells from High Glucose-induced Neurotoxicity <i>via</i> JNK/SIRT1/Foxo3a Signaling Pathway.","authors":"Yinli Shi, Pei Sheng, Ming Guo, Kai Chen, Yun Zhao, Xu Wang, Mianhua Wu, Bo Li","doi":"10.2174/1573409920666230822110258","DOIUrl":"10.2174/1573409920666230822110258","url":null,"abstract":"<p><strong>Background: </strong>Type 2 diabetes-associated cognitive dysfunction (DCD) is a chronic complication of diabetes that has gained international attention. The medicinal compound Banxia Xiexin Decoction (BXXXD) from traditional Chinese medicine (TCM) has shown potential in improving insulin resistance, regulating endoplasmic reticulum stress (ERS), and inhibiting cell apoptosis through various pathways. However, the specific mechanism of action and medical value of BXXXD remain unclear.</p><p><strong>Methods: </strong>We utilized TCMSP databases to screen the chemical constituents of BXXXD and identified DCD disease targets through relevant databases. By using Stitch and String databases, we imported the data into Cytoscape 3.8.0 software to construct a protein-protein interaction (PPI) network and subsequently identified core targets through network topology analysis. The core targets were subjected to Gene Ontology (GO) functional enrichment and Kyoto Encyclopedia of Genes and Genomes (KEGG) pathway analyses. The results were further validated through in vitro experiments.</p><p><strong>Results: </strong>Network pharmacology analysis revealed the screening of 1490 DCD-related targets and 190 agents present in BXXXD. The topological analysis and enrichment analysis conducted using Cytoscape software identified 34 core targets. Additionally, GO and KEGG pathway analyses yielded 104 biological targets and 97 pathways, respectively. BXXXD exhibited its potential in treating DCD by controlling synaptic plasticity and conduction, suppressing apoptosis, reducing inflammation, and acting as an antioxidant. In a high glucose (HG) environment, the expression of JNK, Foxo3a, SIRT1, ATG7, Lamp2, and LC3 was downregulated. BXXXD intervention on HT22 cells potentially involved inhibiting excessive oxidative stress, promoting neuronal autophagy, and increasing the expression levels of JNK, SIRT1, Foxo3a, ATG7, Lamp2, and LC3. Furthermore, the neuroprotective effect of BXXXD was partially blocked by SP600125, while quercetin enhanced the favorable role of BXXXD in the HG environment.</p><p><strong>Conclusion: </strong>BXXXD exerts its effects on DCD through multiple components, targets, levels, and pathways. It modulates the JNK/SIRT1/Foxo3a signaling pathway to mitigate autophagy inhibition and apoptotic damage in HT22 cells induced by HG. These findings provide valuable perspectives and concepts for future clinical trials and fundamental research.</p>","PeriodicalId":10886,"journal":{"name":"Current computer-aided drug design","volume":" ","pages":"911-927"},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10108114","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Exploring the Potential Molecular Mechanism of the Shugan Jieyu Capsule in the Treatment of Depression through Network Pharmacology, Molecular Docking, and Molecular Dynamics Simulation. 通过网络药理学、分子对接和分子动力学模拟探索舒筋健腰胶囊治疗抑郁症的潜在分子机制
IF 1.7 4区 医学
Current computer-aided drug design Pub Date : 2024-01-01 DOI: 10.2174/1573409919666230619105254
Zhiyao Liu, Hailiang Huang, Ying Yu, Yuqi Jia, Lingling Li, Xin Shi, Fangqi Wang
{"title":"Exploring the Potential Molecular Mechanism of the Shugan Jieyu Capsule in the Treatment of Depression through Network Pharmacology, Molecular Docking, and Molecular Dynamics Simulation.","authors":"Zhiyao Liu, Hailiang Huang, Ying Yu, Yuqi Jia, Lingling Li, Xin Shi, Fangqi Wang","doi":"10.2174/1573409919666230619105254","DOIUrl":"10.2174/1573409919666230619105254","url":null,"abstract":"<p><strong>Background: </strong>Shugan Jieyu Capsule (SJC) is a pure Chinese medicine compound prepared with <i>Hypericum perforatum</i> and <i>Acanthopanacis senticosi</i>. SJC has been approved for the clinical treatment of depression, but the mechanism of action is still unclear.</p><p><strong>Objectives: </strong>Network pharmacology, molecular docking, and molecular dynamics simulation (MDS) were applied in the present study to explore the potential mechanism of SJC in the treatment of depression.</p><p><strong>Methods: </strong>TCMSP, BATMAN-TCM, and HERB databases were used, and related literature was reviewed to screen the effective active ingredients of <i>Hypericum perforatum</i> and <i>Acanthopanacis senticosi</i>. TCMSP, BATMAN-TCM, HERB, and STITCH databases were used to predict the potential targets of effective active ingredients. GeneCards database, DisGeNET database, and GEO data set were used to obtain depression targets and clarify the intersection targets of SJC and depression. STRING database and Cytoscape software were used to build a protein-protein interaction (PPI) network of intersection targets and screen the core targets. The enrichment analysis on the intersection targets was conducted. Then the receiver operator characteristic (ROC) curve was constructed to verify the core targets. The pharmacokinetic characteristics of core active ingredients were predicted by SwissADME and pkCSM. Molecular docking was performed to verify the docking activity of the core active ingredients and core targets, and molecular dynamics simulations were performed to evaluate the accuracy of the docking complex.</p><p><strong>Results: </strong>We obtained 15 active ingredients and 308 potential drug targets with quercetin, kaempferol, luteolin, and hyperforin as the core active ingredients. We obtained 3598 targets of depression and 193 intersection targets of SJC and depression. A total of 9 core targets (AKT1, TNF, IL6, IL1B, VEGFA, JUN, CASP3, MAPK3, PTGS2) were screened with Cytoscape 3.8.2 software. A total of 442 GO entries and 165 KEGG pathways (p <0.01) were obtained from the enrichment analysis of the intersection targets, mainly enriched in IL-17, TNF, and MAPK signaling pathways. The pharmacokinetic characteristics of the 4 core active ingredients indicated that they could play a role in SJC antidepressants with fewer side effects. Molecular docking showed that the 4 core active components could effectively bind to the 8 core targets (AKT1, TNF, IL6, IL1B, VEGFA, JUN, CASP3, MAPK3, PTGS2), which were related to depression by the ROC curve. MDS showed that the docking complex was stable.</p><p><strong>Conclusion: </strong>SJC may treat depression by using active ingredients such as quercetin, kaempferol, luteolin, and hyperforin to regulate targets such as PTGS2 and CASP3 and signaling pathways such as IL-17, TNF, and MAPK, and participate in immune inflammation, oxidative stress, apoptosis, neurogenesis, etc.</p>","PeriodicalId":10886,"journal":{"name":"Current computer-aided drug design","volume":" ","pages":"501-517"},"PeriodicalIF":1.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9667267","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Hybrid Analogues of Hydrazone and Phthalimide: Design, Synthesis, In vivo, In vitro, and In silico Evaluation as Analgesic Agents. 腙和邻苯二甲酰亚胺的混合类似物:作为镇痛剂的设计、合成、体内、体外和硅学评估。
IF 1.7 4区 医学
Current computer-aided drug design Pub Date : 2024-01-01 DOI: 10.2174/1573409919666230517121726
Shahla Shokri, Hoda Ayazi, Mohsen Tamjid, Fatemeh Ghoreishi, Mahsa Shokri, Sogol Badakhshannouri, Nima Naderi, Bahram Daraei, Zahra Mousavi, Asghar Davood
{"title":"Hybrid Analogues of Hydrazone and Phthalimide: Design, Synthesis, <i>In vivo</i>, <i>In vitro</i>, and <i>In silico</i> Evaluation as Analgesic Agents.","authors":"Shahla Shokri, Hoda Ayazi, Mohsen Tamjid, Fatemeh Ghoreishi, Mahsa Shokri, Sogol Badakhshannouri, Nima Naderi, Bahram Daraei, Zahra Mousavi, Asghar Davood","doi":"10.2174/1573409919666230517121726","DOIUrl":"10.2174/1573409919666230517121726","url":null,"abstract":"<p><strong>Background: </strong>Based on the anti-inflammatory and analgesic activity of hydrazone and phthalimide, a new series of hybrid hydrazone and phthalimide pharmacophores was prepared and evaluated as analgesic agents.</p><p><strong>Methods: </strong>The designed ligands were synthesized by reaction of the appropriate aldehydes and 2- aminophthalimide. Analgesic, cyclooxygenase inhibitory, and cytostatic activity of prepared compounds were measured.</p><p><strong>Results: </strong>All the tested ligands demonstrated significant analgesic activity. Moreover, compounds 3i and 3h were the most potent ligands in the formalin and writhing tests, respectively. Compounds 3g, 3j, and 3l were the most COX-2 selective ligands and ligand 3e was the most potent COX inhibitor with a 0.79 of COX-2 selectivity ratio. The presence of electron-withdrawing moieties with hydrogen bonding ability at the meta position was found to affect the selectivity efficiently, in which compounds 3g, 3l, and 3k showed high COX-2 selectivity, and compound 3k was the most potent one. The cytostatic activity of selected ligands demonstrated that compounds 3e, 3f, 3h, 3k, and 3m showed good analgesic and COX inhibitory activity and were less toxic than the reference drug.</p><p><strong>Conclusion: </strong>High therapeutic index of these ligands is one of the valuable advantages of these compounds.</p>","PeriodicalId":10886,"journal":{"name":"Current computer-aided drug design","volume":" ","pages":"685-696"},"PeriodicalIF":1.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9478248","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Computational Approach for Designing and Validating Small Interfering RNA against SARS-CoV-2 Variants. 设计和验证抗 SARS-CoV-2 变异小干扰 RNA 的计算方法
IF 1.5 4区 医学
Current computer-aided drug design Pub Date : 2024-01-01 DOI: 10.2174/1573409920666230825111406
Kishore Dhotre, Debashree Dass, Anwesha Banerjee, Vijay Nema, Anupam Mukherjee
{"title":"A Computational Approach for Designing and Validating Small Interfering RNA against SARS-CoV-2 Variants.","authors":"Kishore Dhotre, Debashree Dass, Anwesha Banerjee, Vijay Nema, Anupam Mukherjee","doi":"10.2174/1573409920666230825111406","DOIUrl":"10.2174/1573409920666230825111406","url":null,"abstract":"<p><strong>Aims: </strong>The aim of this study is to develop a novel antiviral strategy capable of efficiently targeting a broad set of SARS-CoV-2 variants.</p><p><strong>Background: </strong>Since the first emergence of SARS-CoV-2, it has rapidly transformed into a global pandemic, posing an unprecedented threat to public health. SARS-CoV-2 is prone to mutation and continues to evolve, leading to the emergence of new variants capable of escaping immune protection achieved due to previous SARS-CoV-2 infections or by vaccination.</p><p><strong>Objective: </strong>RNA interference (RNAi) is a remarkable biological mechanism that can induce gene silencing by targeting complementary mRNA and inhibiting its translation.</p><p><strong>Methods: </strong>In this study, using the computational approach, we predicted the most efficient siRNA capable of inhibiting SARS-CoV-2 variants of concern (VoCs).</p><p><strong>Results: </strong>The presented siRNA was characterized and evaluated for its thermodynamic properties, offsite-target hits, and in silico validation by molecular docking and molecular dynamics simulations (MD) with Human AGO2 protein.</p><p><strong>Conclusion: </strong>The study contributes to the possibility of designing and developing an effective response strategy against existing variants of concerns and preventing further.</p>","PeriodicalId":10886,"journal":{"name":"Current computer-aided drug design","volume":" ","pages":"876-887"},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10058568","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Molecular Docking and Molecular Dynamics Simulation of New Potential JAK3 Inhibitors. 新型潜在 JAK3 抑制剂的分子对接和分子动力学模拟
IF 1.5 4区 医学
Current computer-aided drug design Pub Date : 2024-01-01 DOI: 10.2174/1573409919666230525154120
Qidi Zhong, Jiarui Qin, Kaihui Zhao, Lihong Guo, Dongmei Li
{"title":"Molecular Docking and Molecular Dynamics Simulation of New Potential JAK3 Inhibitors.","authors":"Qidi Zhong, Jiarui Qin, Kaihui Zhao, Lihong Guo, Dongmei Li","doi":"10.2174/1573409919666230525154120","DOIUrl":"10.2174/1573409919666230525154120","url":null,"abstract":"<p><strong>Introduction: </strong>JAK3 kinase inhibitor has become an effective means to treat tumors and autoimmune diseases.</p><p><strong>Methods: </strong>In this study, molecular docking and molecular dynamics simulation were used to study the theoretical interaction mechanism between 1-phenylimidazolidine-2-one molecules and JAK3 protein.</p><p><strong>Results: </strong>The results of molecular docking showed that the six 1-phenylimidazolidine-2-one derivatives obtained by virtual screening were bound to the ATP pocket of JAK3 kinase, which were competitive inhibitors of ATP, and were mainly bound to the pocket through hydrogen bonding and hydrophobic interaction. Further, MM/GBSA based on molecular dynamics simulation sampling was used to calculate the binding energy between six molecules and the JAK3 kinase protein. Subsequently, the binding energy was decomposed into the contribution of each amino acid residue, of which Leu905, Lys855, Asp967, Leu956, Tyr904, and Val836 were the main energycontributing residues. Among them, the molecule numbered LCM01415405 can interact with the specific amino acid Arg911 of JAK3 kinase, suggesting that the molecule may be a selective JAK3 kinase inhibitor. The root-mean-square fluctuation (RMSF) of JAK3 kinase pocket residues during molecular dynamics simulation showed that the combination of six new potential small molecule inhibitors with JAK3 kinase could reduce the flexibility of JAK3 kinase pocket residues.</p><p><strong>Conclusion: </strong>These findings reveal the mechanism of 1-phenylimidazolidine-2-one derivatives on JAK3 protein and provide a relatively solid theoretical basis for the development and structural optimization of JAK3 protein inhibitors.</p>","PeriodicalId":10886,"journal":{"name":"Current computer-aided drug design","volume":" ","pages":"764-772"},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9575106","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
In silico Identification of Potential Inhibitors against Staphylococcus aureus Tyrosyl-tRNA Synthetase. 金黄色葡萄球菌酪氨酰-tRNA 合成酶潜在抑制剂的硅学鉴定。
IF 1.5 4区 医学
Current computer-aided drug design Pub Date : 2024-01-01 DOI: 10.2174/1573409919666230612120819
Kohei Monobe, Hinata Taniguchi, Shunsuke Aoki
{"title":"<i>In silico</i> Identification of Potential Inhibitors against <i>Staphylococcus aureus</i> Tyrosyl-tRNA Synthetase.","authors":"Kohei Monobe, Hinata Taniguchi, Shunsuke Aoki","doi":"10.2174/1573409919666230612120819","DOIUrl":"10.2174/1573409919666230612120819","url":null,"abstract":"<p><strong>Background: </strong>Drug-resistant <i>Staphylococcus aureus</i> (<i>S. aureus</i>) has spread from nosocomial to community-acquired infections. Novel antimicrobial drugs that are effective against resistant strains should be developed. <i>S. aureus</i> tyrosyl-tRNA synthetase (saTyrRS) is considered essential for bacterial survival and is an attractive target for drug screening.</p><p><strong>Objectives: </strong>The purpose of this study was to identify potential new inhibitors of saTyrRS by screening compounds<i> in silico</i> and evaluating them using molecular dynamics (MD) simulations.</p><p><strong>Methods: </strong>A 3D structural library of 154,118 compounds was screened using the DOCK and GOLD docking simulations and short-time MD simulations. The selected compounds were subjected to MD simulations of a 75-ns time frame using GROMACS.</p><p><strong>Results: </strong>Thirty compounds were selected by hierarchical docking simulations. The binding of these compounds to saTyrRS was assessed by short-time MD simulations. Two compounds with an average value of less than 0.15 nm for the ligand RMSD were ultimately selected. The longtime (75 ns) MD simulation results demonstrated that two novel compounds bound stably to saTyrRS <i>in silico</i>.</p><p><strong>Conclusion: </strong>Two novel potential saTyrRS inhibitors with different skeletons were identified by <i>in silico</i> drug screening using MD simulations. The <i>in vitro</i> validation of the inhibitory effect of these compounds on enzyme activity and their antibacterial effect on drug-resistant <i>S. aureus </i> would be useful for developing novel antibiotics.</p>","PeriodicalId":10886,"journal":{"name":"Current computer-aided drug design","volume":" ","pages":"452-462"},"PeriodicalIF":1.5,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9613370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Chemical Composition, In vitro and In silico Evaluation of Essential Oil from Ocimum tenuiflorum and Coriandrum sativum Linn for Lung Cancer. 欧鼠李和芫荽精油的化学成分、体外和硅学评估对肺癌的疗效
IF 1.7 4区 医学
Current computer-aided drug design Pub Date : 2024-01-01 DOI: 10.2174/1573409920666230831144716
Bhim Singh, Kumari Sunita Prajapati, Amit Kumar, Shivam Patel, Shashank Kumar, Vikas Jaitak
{"title":"Chemical Composition, <i>In vitro</i> and <i>In silico</i> Evaluation of Essential Oil from <i>Ocimum tenuiflorum</i> and <i>Coriandrum sativum</i> Linn for Lung Cancer.","authors":"Bhim Singh, Kumari Sunita Prajapati, Amit Kumar, Shivam Patel, Shashank Kumar, Vikas Jaitak","doi":"10.2174/1573409920666230831144716","DOIUrl":"10.2174/1573409920666230831144716","url":null,"abstract":"<p><strong>Background: </strong>Medicinal plants play an essential role in everyday life; plants highly contain therapeutic phytoconstituents commonly used to treat various diseases. This paper discusses the Chemical composition, <i>In vitro</i> antiproliferative activity and <i>In silico</i> study of essential oil extracted from <i>Ocimum tenuiflorum</i> (family Lamiaceae) and <i>Coriandrum sativum</i> (family Apiaceae).</p><p><strong>Objective: </strong>In present study GC-MS was used to identify the chemical constituents from <i>O. tenuiflorum</i> and <i>C. sativum</i>. <i>In vitro</i> antiproliferative activity was performed on A549 cancer cell lines. <i>In silico</i> study was performed by Schrodinger's maestro software to identify chemical constituents in both plants as potential EGFR inhibitors for the treatment of lung cancer.</p><p><strong>Methods: </strong>The essential oil was extracted by hydro distillation from aerial parts of <i>O. tenuiflorum</i> and <i>C. sativum</i>. The volatile oil sample was analyzed by (GC-MS) Gas Chromatography- Mass Spectrometry. Different chemical constituents were identified based on the retention index and compared with the NIST library. The oil samples from <i>O. tenuiflorum</i> and <i>C. sativum</i> was also evaluated for antiproliferative activity against human lung cancer A549 cell lines. In silico study was performed by Schrodinger maestro software against EGFR (PDB ID 5HG8).</p><p><strong>Results: </strong><i>O. tenuiflorum</i> essential oil contains Eugenol (42.90%), 2-β-Elemene (25.98%), β- Caryophyllene (19.12%) are the major constituents. On the other side, <i>C. sativum</i> contains nnonadecanol- 1 (16.37%), decanal (12.37%), dodecanal (12.27%), 2-Dodecanal (9.67%), Phytol (8.81%) as the major constituents. Both the oils have shown <i>in vitro</i> antiproliferative activity against human lung cancer cell lines A549 having IC<sub>50</sub> values of 38.281 μg/ml (<i>O. tenuiflorum</i>) and 74.536 μg/ml (<i>C. sativum</i>). Molecular interactions of constituents hydro distilled from two oils was analysed by schrodinger maestro software against EGFR (PDB ID 5HG8).</p><p><strong>Conclusion: </strong>The oil sample extracted from <i>O. tenuiflorum</i> showed more antiproliferative activity than <i>C. sativum</i>. <i>In silico</i> study showed that two chemical constituents, namely di-isobutyl phthalate (-7.542 kcal/mol) and dibutyl phthalate (-7.181 kcal/mol) from <i>O. tenuiflorum</i> and one diethyl phthalate (-7.224 kcal/mol) from <i>C. sativum</i> having more docking score than standard Osimertinib which indicates the effectiveness of oils for lung cancer.</p>","PeriodicalId":10886,"journal":{"name":"Current computer-aided drug design","volume":" ","pages":"628-639"},"PeriodicalIF":1.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10132067","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Molecular Mechanism and Structure-activity Relationship of the Inhibition Effect between Monoamine Oxidase and Selegiline Analogues. 单胺氧化酶与西格列汀类似物抑制作用的分子机制和结构-活性关系
IF 1.7 4区 医学
Current computer-aided drug design Pub Date : 2024-01-01 DOI: 10.2174/1573409919666230503143055
Chuanxi Yang, Xiaoning Wang, Chang Gao, Yunxiang Liu, Ziyi Ma, Jinqiu Zang, Haoce Wang, Lin Liu, Yonglin Liu, Haofen Sun, Weiliang Wang
{"title":"Molecular Mechanism and Structure-activity Relationship of the Inhibition Effect between Monoamine Oxidase and Selegiline Analogues.","authors":"Chuanxi Yang, Xiaoning Wang, Chang Gao, Yunxiang Liu, Ziyi Ma, Jinqiu Zang, Haoce Wang, Lin Liu, Yonglin Liu, Haofen Sun, Weiliang Wang","doi":"10.2174/1573409919666230503143055","DOIUrl":"10.2174/1573409919666230503143055","url":null,"abstract":"<p><strong>Introduction: </strong>To investigate the inhibition properties and structure-activity relationship between monoamine oxidase (MAO) and selected monoamine oxidase inhibitors (MAOIs, including selegiline, rasagiline and clorgiline).</p><p><strong>Methods: </strong>The inhibition effect and molecular mechanism between MAO and MAOIs were identified via the half maximal inhibitory concentration (IC<sub>50</sub>) and molecular docking technology.</p><p><strong>Results: </strong>It was indicated that selegiline and rasagiline were MAO B inhibitors, but clorgiline was MAO-A inhibitor based on the selectivity index (SI) of MAOIs (0.000264, 0.0197 and 14607.143 for selegiline, rasagiline and clorgiline, respectively). The high-frequency amino acid residues of the MAOIs and MAO were Ser24, Arg51, Tyr69 and Tyr407 for MAO-A and Arg42 and Tyr435 for MAO B. The MAOIs and MAO A/B pharmacophores included the aromatic core, hydrogen bond acceptor, hydrogen bond donor-acceptor and hydrophobic core.</p><p><strong>Conclusion: </strong>This study shows the inhibition effect and molecular mechanism between MAO and MAOIs and provides valuable findings on the design and treatment of Alzheimer's and Parkinson's diseases.</p>","PeriodicalId":10886,"journal":{"name":"Current computer-aided drug design","volume":" ","pages":"474-485"},"PeriodicalIF":1.7,"publicationDate":"2024-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9397931","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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