Conjugation of benzylvanillin and benzimidazole structure improves DNA binding with enhanced antileukemic properties

Benzyl-o-vanillin and benzimidazole nucleus serve as important pharmacophore in drug discovery. The benzyl vanillin (2-(benzyloxy)-3-methoxybenzaldehyde) compound shows anti-proliferative activity in HL60 leukemia cancer cells and can effect cell cycle progression at G2/M phase. Its apoptosis activi...

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Veröffentlicht in:PloS one 2013-11, Vol.8 (11), p.e80983
Hauptverfasser: Al-Mudaris, Zena A, Majid, Aman S A, Ji, Dan, Al-Mudarris, Ban A, Chen, Shih-Hsun, Liang, Po-Huang, Osman, Hasnah, Jamal Din, Shah Kamal Khan, Abdul Majid, Amin M S
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container_issue 11
container_start_page e80983
container_title PloS one
container_volume 8
creator Al-Mudaris, Zena A
Majid, Aman S A
Ji, Dan
Al-Mudarris, Ban A
Chen, Shih-Hsun
Liang, Po-Huang
Osman, Hasnah
Jamal Din, Shah Kamal Khan
Abdul Majid, Amin M S
description Benzyl-o-vanillin and benzimidazole nucleus serve as important pharmacophore in drug discovery. The benzyl vanillin (2-(benzyloxy)-3-methoxybenzaldehyde) compound shows anti-proliferative activity in HL60 leukemia cancer cells and can effect cell cycle progression at G2/M phase. Its apoptosis activity was due to disruption of mitochondrial functioning. In this study, we have studied a series of compounds consisting of benzyl vanillin and benzimidazole structures. We hypothesize that by fusing these two structures we can produce compounds that have better anticancer activity with improved specificity particularly towards the leukemia cell line. Here we explored the anticancer activity of three compounds namely 2-(2-benzyloxy-3-methoxyphenyl)-1H-benzimidazole, 2MP, N-1-(2-benzyloxy-3-methoxybenzyl)-2-(2-benzyloxy-3-methoxyphenyl)-1H-benzimidazole, 2XP, and (R) and (S)-1-(2-benzyloxy-3-methoxyphenyl)-2, 2, 2-trichloroethyl benzenesulfonate, 3BS and compared their activity to 2-benzyloxy-3-methoxybenzaldehyde, (Bn1), the parent compound. 2XP and 3BS induces cell death of U937 leukemic cell line through DNA fragmentation that lead to the intrinsic caspase 9 activation. DNA binding study primarily by the equilibrium binding titration assay followed by the Viscosity study reveal the DNA binding through groove region with intrinsic binding constant 7.39 µM/bp and 6.86 µM/bp for 3BS and 2XP respectively. 2XP and 3BS showed strong DNA binding activity by the UV titration method with the computational drug modeling showed that both 2XP and 3BS failed to form any electrostatic linkages except via hydrophobic interaction through the minor groove region of the nucleic acid. The benzylvanillin alone (Bn1) has weak anticancer activity even after it was combined with the benzimidazole (2MP), but after addition of another benzylvanillin structure (2XP), stronger activity was observed. Also, the combination of benzylvanillin with benzenesulfonate (3BS) significantly improved the anticancer activity of Bn1. The present study provides a new insight of benzyl vanillin derivatives as potential anti-leukemic agent.
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The benzyl vanillin (2-(benzyloxy)-3-methoxybenzaldehyde) compound shows anti-proliferative activity in HL60 leukemia cancer cells and can effect cell cycle progression at G2/M phase. Its apoptosis activity was due to disruption of mitochondrial functioning. In this study, we have studied a series of compounds consisting of benzyl vanillin and benzimidazole structures. We hypothesize that by fusing these two structures we can produce compounds that have better anticancer activity with improved specificity particularly towards the leukemia cell line. Here we explored the anticancer activity of three compounds namely 2-(2-benzyloxy-3-methoxyphenyl)-1H-benzimidazole, 2MP, N-1-(2-benzyloxy-3-methoxybenzyl)-2-(2-benzyloxy-3-methoxyphenyl)-1H-benzimidazole, 2XP, and (R) and (S)-1-(2-benzyloxy-3-methoxyphenyl)-2, 2, 2-trichloroethyl benzenesulfonate, 3BS and compared their activity to 2-benzyloxy-3-methoxybenzaldehyde, (Bn1), the parent compound. 2XP and 3BS induces cell death of U937 leukemic cell line through DNA fragmentation that lead to the intrinsic caspase 9 activation. DNA binding study primarily by the equilibrium binding titration assay followed by the Viscosity study reveal the DNA binding through groove region with intrinsic binding constant 7.39 µM/bp and 6.86 µM/bp for 3BS and 2XP respectively. 2XP and 3BS showed strong DNA binding activity by the UV titration method with the computational drug modeling showed that both 2XP and 3BS failed to form any electrostatic linkages except via hydrophobic interaction through the minor groove region of the nucleic acid. The benzylvanillin alone (Bn1) has weak anticancer activity even after it was combined with the benzimidazole (2MP), but after addition of another benzylvanillin structure (2XP), stronger activity was observed. Also, the combination of benzylvanillin with benzenesulfonate (3BS) significantly improved the anticancer activity of Bn1. The present study provides a new insight of benzyl vanillin derivatives as potential anti-leukemic agent.</description><identifier>ISSN: 1932-6203</identifier><identifier>EISSN: 1932-6203</identifier><identifier>DOI: 10.1371/journal.pone.0080983</identifier><identifier>PMID: 24260527</identifier><language>eng</language><publisher>United States: Public Library of Science</publisher><subject>Anticancer properties ; Antineoplastic Agents - chemical synthesis ; Antineoplastic Agents - pharmacology ; Antitumor activity ; Apoptosis ; Apoptosis - drug effects ; Benzaldehydes - chemistry ; Benzenesulfonates - chemistry ; Benzimidazole ; Benzimidazoles ; Benzimidazoles - chemistry ; Binding ; Binding Sites ; Biochemistry ; Cancer ; Cancer therapies ; Cancer treatment ; Caspase ; Caspase 9 ; Cell cycle ; Cell death ; Cell Line, Tumor ; Cell Proliferation - drug effects ; Chemistry ; Computer applications ; Conjugation ; Cytotoxicity ; Deoxyribonucleic acid ; DNA ; DNA binding ; DNA fragmentation ; DNA Fragmentation - drug effects ; DNA methylation ; DNA structure ; DNA, Neoplasm - chemistry ; DNA, Neoplasm - metabolism ; Drug Design ; Drug discovery ; E coli ; G2 Phase Cell Cycle Checkpoints - drug effects ; Humans ; Hydrophobic and Hydrophilic Interactions ; Hydrophobicity ; Inhibitory Concentration 50 ; Leukemia ; Medical research ; Mitochondria ; Molecular Docking Simulation ; Nuclei ; Pharmaceutical sciences ; Pharmacology ; Political aspects ; Quantitative Structure-Activity Relationship ; Salmonella ; Salmonella Typhimurium ; Titration ; Vanillin ; Viscosity</subject><ispartof>PloS one, 2013-11, Vol.8 (11), p.e80983</ispartof><rights>COPYRIGHT 2013 Public Library of Science</rights><rights>2013 Al-Mudaris et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License: http://creativecommons.org/licenses/by/3.0/ (the “License”), which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited. 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The benzyl vanillin (2-(benzyloxy)-3-methoxybenzaldehyde) compound shows anti-proliferative activity in HL60 leukemia cancer cells and can effect cell cycle progression at G2/M phase. Its apoptosis activity was due to disruption of mitochondrial functioning. In this study, we have studied a series of compounds consisting of benzyl vanillin and benzimidazole structures. We hypothesize that by fusing these two structures we can produce compounds that have better anticancer activity with improved specificity particularly towards the leukemia cell line. Here we explored the anticancer activity of three compounds namely 2-(2-benzyloxy-3-methoxyphenyl)-1H-benzimidazole, 2MP, N-1-(2-benzyloxy-3-methoxybenzyl)-2-(2-benzyloxy-3-methoxyphenyl)-1H-benzimidazole, 2XP, and (R) and (S)-1-(2-benzyloxy-3-methoxyphenyl)-2, 2, 2-trichloroethyl benzenesulfonate, 3BS and compared their activity to 2-benzyloxy-3-methoxybenzaldehyde, (Bn1), the parent compound. 2XP and 3BS induces cell death of U937 leukemic cell line through DNA fragmentation that lead to the intrinsic caspase 9 activation. DNA binding study primarily by the equilibrium binding titration assay followed by the Viscosity study reveal the DNA binding through groove region with intrinsic binding constant 7.39 µM/bp and 6.86 µM/bp for 3BS and 2XP respectively. 2XP and 3BS showed strong DNA binding activity by the UV titration method with the computational drug modeling showed that both 2XP and 3BS failed to form any electrostatic linkages except via hydrophobic interaction through the minor groove region of the nucleic acid. The benzylvanillin alone (Bn1) has weak anticancer activity even after it was combined with the benzimidazole (2MP), but after addition of another benzylvanillin structure (2XP), stronger activity was observed. Also, the combination of benzylvanillin with benzenesulfonate (3BS) significantly improved the anticancer activity of Bn1. The present study provides a new insight of benzyl vanillin derivatives as potential anti-leukemic agent.</description><subject>Anticancer properties</subject><subject>Antineoplastic Agents - chemical synthesis</subject><subject>Antineoplastic Agents - pharmacology</subject><subject>Antitumor activity</subject><subject>Apoptosis</subject><subject>Apoptosis - drug effects</subject><subject>Benzaldehydes - chemistry</subject><subject>Benzenesulfonates - chemistry</subject><subject>Benzimidazole</subject><subject>Benzimidazoles</subject><subject>Benzimidazoles - chemistry</subject><subject>Binding</subject><subject>Binding Sites</subject><subject>Biochemistry</subject><subject>Cancer</subject><subject>Cancer therapies</subject><subject>Cancer treatment</subject><subject>Caspase</subject><subject>Caspase 9</subject><subject>Cell cycle</subject><subject>Cell death</subject><subject>Cell Line, Tumor</subject><subject>Cell Proliferation - drug effects</subject><subject>Chemistry</subject><subject>Computer applications</subject><subject>Conjugation</subject><subject>Cytotoxicity</subject><subject>Deoxyribonucleic acid</subject><subject>DNA</subject><subject>DNA binding</subject><subject>DNA fragmentation</subject><subject>DNA Fragmentation - 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chemistry</topic><topic>DNA, Neoplasm - metabolism</topic><topic>Drug Design</topic><topic>Drug discovery</topic><topic>E coli</topic><topic>G2 Phase Cell Cycle Checkpoints - drug effects</topic><topic>Humans</topic><topic>Hydrophobic and Hydrophilic Interactions</topic><topic>Hydrophobicity</topic><topic>Inhibitory Concentration 50</topic><topic>Leukemia</topic><topic>Medical research</topic><topic>Mitochondria</topic><topic>Molecular Docking Simulation</topic><topic>Nuclei</topic><topic>Pharmaceutical sciences</topic><topic>Pharmacology</topic><topic>Political aspects</topic><topic>Quantitative Structure-Activity Relationship</topic><topic>Salmonella</topic><topic>Salmonella Typhimurium</topic><topic>Titration</topic><topic>Vanillin</topic><topic>Viscosity</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Al-Mudaris, Zena A</creatorcontrib><creatorcontrib>Majid, Aman S A</creatorcontrib><creatorcontrib>Ji, Dan</creatorcontrib><creatorcontrib>Al-Mudarris, Ban A</creatorcontrib><creatorcontrib>Chen, Shih-Hsun</creatorcontrib><creatorcontrib>Liang, Po-Huang</creatorcontrib><creatorcontrib>Osman, Hasnah</creatorcontrib><creatorcontrib>Jamal Din, Shah Kamal Khan</creatorcontrib><creatorcontrib>Abdul Majid, Amin M S</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>Gale In Context: Opposing Viewpoints</collection><collection>Gale In Context: Science</collection><collection>ProQuest Central (Corporate)</collection><collection>Animal Behavior Abstracts</collection><collection>Bacteriology Abstracts (Microbiology B)</collection><collection>Biotechnology Research Abstracts</collection><collection>Nursing &amp; Allied Health Database</collection><collection>Ecology Abstracts</collection><collection>Entomology Abstracts (Full archive)</collection><collection>Immunology Abstracts</collection><collection>Meteorological &amp; Geoastrophysical Abstracts</collection><collection>Nucleic Acids Abstracts</collection><collection>Virology and AIDS Abstracts</collection><collection>Agricultural Science Collection</collection><collection>Health &amp; Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>ProQuest Pharma Collection</collection><collection>Public Health Database</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>ProQuest Natural Science Collection</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Materials Science &amp; Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>Advanced Technologies &amp; Aerospace Collection</collection><collection>Agricultural &amp; Environmental Science Collection</collection><collection>ProQuest Central Essentials</collection><collection>Biological Science Collection</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>Natural Science Collection</collection><collection>Environmental Sciences and Pollution Management</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>Engineering Research Database</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>AIDS and Cancer Research Abstracts</collection><collection>SciTech Premium Collection</collection><collection>ProQuest Health &amp; Medical Complete (Alumni)</collection><collection>Materials Science Database</collection><collection>Nursing &amp; Allied Health Database (Alumni Edition)</collection><collection>Meteorological &amp; Geoastrophysical Abstracts - 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Academic</collection><collection>PubMed Central (Full Participant titles)</collection><collection>DOAJ Directory of Open Access Journals</collection><jtitle>PloS one</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Al-Mudaris, Zena A</au><au>Majid, Aman S A</au><au>Ji, Dan</au><au>Al-Mudarris, Ban A</au><au>Chen, Shih-Hsun</au><au>Liang, Po-Huang</au><au>Osman, Hasnah</au><au>Jamal Din, Shah Kamal Khan</au><au>Abdul Majid, Amin M S</au><au>Khan, Rizwan H.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Conjugation of benzylvanillin and benzimidazole structure improves DNA binding with enhanced antileukemic properties</atitle><jtitle>PloS one</jtitle><addtitle>PLoS One</addtitle><date>2013-11-15</date><risdate>2013</risdate><volume>8</volume><issue>11</issue><spage>e80983</spage><pages>e80983-</pages><issn>1932-6203</issn><eissn>1932-6203</eissn><abstract>Benzyl-o-vanillin and benzimidazole nucleus serve as important pharmacophore in drug discovery. The benzyl vanillin (2-(benzyloxy)-3-methoxybenzaldehyde) compound shows anti-proliferative activity in HL60 leukemia cancer cells and can effect cell cycle progression at G2/M phase. Its apoptosis activity was due to disruption of mitochondrial functioning. In this study, we have studied a series of compounds consisting of benzyl vanillin and benzimidazole structures. We hypothesize that by fusing these two structures we can produce compounds that have better anticancer activity with improved specificity particularly towards the leukemia cell line. Here we explored the anticancer activity of three compounds namely 2-(2-benzyloxy-3-methoxyphenyl)-1H-benzimidazole, 2MP, N-1-(2-benzyloxy-3-methoxybenzyl)-2-(2-benzyloxy-3-methoxyphenyl)-1H-benzimidazole, 2XP, and (R) and (S)-1-(2-benzyloxy-3-methoxyphenyl)-2, 2, 2-trichloroethyl benzenesulfonate, 3BS and compared their activity to 2-benzyloxy-3-methoxybenzaldehyde, (Bn1), the parent compound. 2XP and 3BS induces cell death of U937 leukemic cell line through DNA fragmentation that lead to the intrinsic caspase 9 activation. DNA binding study primarily by the equilibrium binding titration assay followed by the Viscosity study reveal the DNA binding through groove region with intrinsic binding constant 7.39 µM/bp and 6.86 µM/bp for 3BS and 2XP respectively. 2XP and 3BS showed strong DNA binding activity by the UV titration method with the computational drug modeling showed that both 2XP and 3BS failed to form any electrostatic linkages except via hydrophobic interaction through the minor groove region of the nucleic acid. The benzylvanillin alone (Bn1) has weak anticancer activity even after it was combined with the benzimidazole (2MP), but after addition of another benzylvanillin structure (2XP), stronger activity was observed. Also, the combination of benzylvanillin with benzenesulfonate (3BS) significantly improved the anticancer activity of Bn1. The present study provides a new insight of benzyl vanillin derivatives as potential anti-leukemic agent.</abstract><cop>United States</cop><pub>Public Library of Science</pub><pmid>24260527</pmid><doi>10.1371/journal.pone.0080983</doi><tpages>e80983</tpages><oa>free_for_read</oa></addata></record>
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subjects Anticancer properties
Antineoplastic Agents - chemical synthesis
Antineoplastic Agents - pharmacology
Antitumor activity
Apoptosis
Apoptosis - drug effects
Benzaldehydes - chemistry
Benzenesulfonates - chemistry
Benzimidazole
Benzimidazoles
Benzimidazoles - chemistry
Binding
Binding Sites
Biochemistry
Cancer
Cancer therapies
Cancer treatment
Caspase
Caspase 9
Cell cycle
Cell death
Cell Line, Tumor
Cell Proliferation - drug effects
Chemistry
Computer applications
Conjugation
Cytotoxicity
Deoxyribonucleic acid
DNA
DNA binding
DNA fragmentation
DNA Fragmentation - drug effects
DNA methylation
DNA structure
DNA, Neoplasm - chemistry
DNA, Neoplasm - metabolism
Drug Design
Drug discovery
E coli
G2 Phase Cell Cycle Checkpoints - drug effects
Humans
Hydrophobic and Hydrophilic Interactions
Hydrophobicity
Inhibitory Concentration 50
Leukemia
Medical research
Mitochondria
Molecular Docking Simulation
Nuclei
Pharmaceutical sciences
Pharmacology
Political aspects
Quantitative Structure-Activity Relationship
Salmonella
Salmonella Typhimurium
Titration
Vanillin
Viscosity
title Conjugation of benzylvanillin and benzimidazole structure improves DNA binding with enhanced antileukemic properties
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