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Design, Synthesis and Anticancer Evaluation of New Substituted Thiophene-Quinoline Derivatives. 2019

Dina I A Othman, and Khalid B Selim, and Magda A-A El-Sayed, and Atif S Tantawy, and Yhiya Amen, and Kuniyoshi Shimizu, and Tatsuo Okauchi, and Mitsuru Kitamura
Department of Applied Chemistry, Kyushu Institute of Technology1-1 Sensuicho, Tobata, Kitakyushu 804-8550, Japan; Department of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt. Electronic address: dr_dinaali@mans.edu.eg.

A series of new isoxazolyl, triazolyl and phenyl based 3-thiophen-2-yl-quinoline derivatives were synthesized adopting click chemistry approach. In addition, the synthesis of new useful synthon, (2-chloroquinolin-3-yl) (thiophen-2-yl) methanol, is reported. The obtained compounds were characterized by spectral data analysis and evaluated for their anticancer activity. All the derivatives were subjected to in vitro MTT cytotoxicity screening assay against a panel of four different human cancer cell lines, liver (HepG-2), colon (HCT-116), human cervical cancer (HeLa) and breast (MCF-7). Out of a library of 17 compounds, two compounds have been identified as potent and selective cytotoxic agents against HeLa and MCF-7 cell lines. SAR studies for such hybridized analogues were investigated and phenyl derivatives were proved to be more potent than isoxazole and triazole derivatives. Furthermore, the promising compounds were selected for in vitro inhibition of EGFR-TK and Topo II enzymes. Also, they were subjected to cell cycle arrest analysis and apoptosis assay on MCF-7 cells. Our recent finding highlights these thiophene-quinoline analogues as a promising class of compounds for further studies concerning new anticancer therapies.

UI MeSH Term Description Entries
D011804 Quinolines
D004250 DNA Topoisomerases, Type II DNA TOPOISOMERASES that catalyze ATP-dependent breakage of both strands of DNA, passage of the unbroken strands through the breaks, and rejoining of the broken strands. These enzymes bring about relaxation of the supercoiled DNA and resolution of a knotted circular DNA duplex. DNA Topoisomerase (ATP-Hydrolysing),DNA Topoisomerase II,DNA Topoisomerase II alpha,DNA Topoisomerase II beta,DNA Type 2 Topoisomerase,TOP2A Protein,TOP2B Protein,Topoisomerase II,Topoisomerase II alpha,Topoisomerase II beta,Type II DNA Topoisomerase,alpha, Topoisomerase II,beta, Topoisomerase II
D004354 Drug Screening Assays, Antitumor Methods of investigating the effectiveness of anticancer cytotoxic drugs and biologic inhibitors. These include in vitro cell-kill models and cytostatic dye exclusion tests as well as in vivo measurement of tumor growth parameters in laboratory animals. Anticancer Drug Sensitivity Tests,Antitumor Drug Screens,Cancer Drug Tests,Drug Screening Tests, Tumor-Specific,Dye Exclusion Assays, Antitumor,Anti-Cancer Drug Screens,Antitumor Drug Screening Assays,Tumor-Specific Drug Screening Tests,Anti Cancer Drug Screens,Anti-Cancer Drug Screen,Antitumor Drug Screen,Cancer Drug Test,Drug Screen, Anti-Cancer,Drug Screen, Antitumor,Drug Screening Tests, Tumor Specific,Drug Screens, Anti-Cancer,Drug Screens, Antitumor,Drug Test, Cancer,Drug Tests, Cancer,Screen, Anti-Cancer Drug,Screen, Antitumor Drug,Screens, Anti-Cancer Drug,Screens, Antitumor Drug,Test, Cancer Drug,Tests, Cancer Drug,Tumor Specific Drug Screening Tests
D004791 Enzyme Inhibitors Compounds or agents that combine with an enzyme in such a manner as to prevent the normal substrate-enzyme combination and the catalytic reaction. Enzyme Inhibitor,Inhibitor, Enzyme,Inhibitors, Enzyme
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000970 Antineoplastic Agents Substances that inhibit or prevent the proliferation of NEOPLASMS. Anticancer Agent,Antineoplastic,Antineoplastic Agent,Antineoplastic Drug,Antitumor Agent,Antitumor Drug,Cancer Chemotherapy Agent,Cancer Chemotherapy Drug,Anticancer Agents,Antineoplastic Drugs,Antineoplastics,Antitumor Agents,Antitumor Drugs,Cancer Chemotherapy Agents,Cancer Chemotherapy Drugs,Chemotherapeutic Anticancer Agents,Chemotherapeutic Anticancer Drug,Agent, Anticancer,Agent, Antineoplastic,Agent, Antitumor,Agent, Cancer Chemotherapy,Agents, Anticancer,Agents, Antineoplastic,Agents, Antitumor,Agents, Cancer Chemotherapy,Agents, Chemotherapeutic Anticancer,Chemotherapy Agent, Cancer,Chemotherapy Agents, Cancer,Chemotherapy Drug, Cancer,Chemotherapy Drugs, Cancer,Drug, Antineoplastic,Drug, Antitumor,Drug, Cancer Chemotherapy,Drug, Chemotherapeutic Anticancer,Drugs, Antineoplastic,Drugs, Antitumor,Drugs, Cancer Chemotherapy
D013329 Structure-Activity Relationship The relationship between the chemical structure of a compound and its biological or pharmacological activity. Compounds are often classed together because they have structural characteristics in common including shape, size, stereochemical arrangement, and distribution of functional groups. Relationship, Structure-Activity,Relationships, Structure-Activity,Structure Activity Relationship,Structure-Activity Relationships
D013876 Thiophenes A monocyclic heteroarene furan in which the oxygen atom is replaced by a sulfur. Thiophene
D015195 Drug Design The molecular designing of drugs for specific purposes (such as DNA-binding, enzyme inhibition, anti-cancer efficacy, etc.) based on knowledge of molecular properties such as activity of functional groups, molecular geometry, and electronic structure, and also on information cataloged on analogous molecules. Drug design is generally computer-assisted molecular modeling and does not include PHARMACOKINETICS, dosage analysis, or drug administration analysis. Computer-Aided Drug Design,Computerized Drug Design,Drug Modeling,Pharmaceutical Design,Computer Aided Drug Design,Computer-Aided Drug Designs,Computerized Drug Designs,Design, Pharmaceutical,Drug Design, Computer-Aided,Drug Design, Computerized,Drug Designs,Drug Modelings,Pharmaceutical Designs
D015394 Molecular Structure The location of the atoms, groups or ions relative to one another in a molecule, as well as the number, type and location of covalent bonds. Structure, Molecular,Molecular Structures,Structures, Molecular

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