Synthesis and Biological Activities of 11‐ and 12‐Substituted Benzophenanthridinone Derivatives as DNA Topoisomerase IB and Tyrosyl‐DNA Phosphodiesterase 1 Inhibitors
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DOI: 10.1002/cmdc.202200593
Abstract: Herein, a series of 11‐ or 12‐substituted benzophenanthridinone derivatives was designed and synthesized for the discovery of dual topoisomerase IB (TOP1) and tyrosyl‐DNA phosphodiesterase 1 (TDP1) inhibitors. Enzyme‐based assays indicated that two compounds 12 and… read more here.
Keywords: topoisomerase; dna phosphodiesterase; benzophenanthridinone derivatives; substituted benzophenanthridinone ... See more keywords
Synthesis and Inhibitory Properties of Imines Containing Monoterpenoid and Adamantane Fragments Against DNA Repair Enzyme Tyrosyl-DNA Phosphodiesterase 1 (Tdp1)
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DOI: 10.1007/s10600-018-2443-7
Abstract: Six imines including four new ones were synthesized via the reaction of monoterpenoid aldehydes with aminoadamantanes. The inhibitory activities of the synthesized compounds against purified human recombinant DNA repair enzyme tyrosyl-DNA phosphodiesterase 1 (Tdp1) fell… read more here.
Keywords: dna phosphodiesterase; repair enzyme; dna repair; dna ... See more keywords
Synthesis of Methoxy-, Methylenedioxy-, Hydroxy-, and Halo-Substituted Benzophenanthridinone Derivatives as DNA Topoisomerase IB (TOP1) and Tyrosyl-DNA Phosphodiesterase 1 (TDP1) Inhibitors and Their Biological Activity for Drug-Resistant Cancer.
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DOI: 10.1021/acs.jmedchem.1c00318
Abstract: As a recently discovered DNA repair enzyme, tyrosyl-DNA phosphodiesterase 1 (TDP1) removes topoisomerase IB (TOP1)-mediated DNA protein cross-links. Inhibiting TDP1 can potentiate the cytotoxicity of TOP1 inhibitors and overcome cancer cell resistance to TOP1 inhibitors.… read more here.
Keywords: dna; top1; tdp1; cancer ... See more keywords
Pyranodipyran Derivatives with Tyrosyl DNA Phosphodiesterase 1 Inhibitory Activities and Fluorescent Properties from Aspergillus sp. EGF 15-0-3
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DOI: 10.3390/md20030211
Abstract: Four new benzodipyran racemates, namely (±)-aspergiletals A–D (3–6), representing a rare pyrano[4,3-h]chromene scaffold were isolated together with eurotiumide G (1) and eurotiumide F (2) from the soft-coral-derived fungus Aspergillus sp. EGF 15-0-3. All the corresponding… read more here.
Keywords: aspergillus egf; inhibitory; tyrosyl dna; pyranodipyran derivatives ... See more keywords
In Vitro and In Silico Studies of Human Tyrosyl-DNA Phosphodiesterase 1 (Tdp1) Inhibition by Stereoisomeric Forms of Lipophilic Nucleosides: The Role of Carbohydrate Stereochemistry in Ligand-Enzyme Interactions
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DOI: 10.3390/molecules27082433
Abstract: Inhibition of human DNA repair enzyme tyrosyl-DNA phosphodiesterase 1 (Tdp1) by different chiral lipophilic nucleoside derivatives was studied. New Tdp1 inhibitors were found in the series of the studied compounds with IC50 = 2.7–6.7 μM.… read more here.
Keywords: inhibition; phosphodiesterase tdp1; dna phosphodiesterase; stereochemistry ... See more keywords