Discovery and Structure–Activity Relationship of Potent and Selective Covalent Inhibitors of Transglutaminase 2 for Huntington’s Disease

Tissue transglutaminase 2 (TG2) is a multifunctional protein primarily known for its calcium-dependent enzymatic protein cross-linking activity via isopeptide bond formation between glutamine and lysine residues. TG2 overexpression and activity have been found to be associated with Huntington’s dise...

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Veröffentlicht in:Journal of medicinal chemistry 2012-02, Vol.55 (3), p.1021-1046
Hauptverfasser: Prime, Michael E, Andersen, Ole A, Barker, John J, Brooks, Mark A, Cheng, Robert K. Y, Toogood-Johnson, Ian, Courtney, Stephen M, Brookfield, Frederick A, Yarnold, Christopher J, Marston, Richard W, Johnson, Peter D, Johnsen, Siw F, Palfrey, Jordan J, Vaidya, Darshan, Erfan, Sayeh, Ichihara, Osamu, Felicetti, Brunella, Palan, Shilpa, Pedret-Dunn, Anna, Schaertl, Sabine, Sternberger, Ina, Ebneth, Andreas, Scheel, Andreas, Winkler, Dirk, Toledo-Sherman, Leticia, Beconi, Maria, Macdonald, Douglas, Muñoz-Sanjuan, Ignacio, Dominguez, Celia, Wityak, John
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container_issue 3
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container_title Journal of medicinal chemistry
container_volume 55
creator Prime, Michael E
Andersen, Ole A
Barker, John J
Brooks, Mark A
Cheng, Robert K. Y
Toogood-Johnson, Ian
Courtney, Stephen M
Brookfield, Frederick A
Yarnold, Christopher J
Marston, Richard W
Johnson, Peter D
Johnsen, Siw F
Palfrey, Jordan J
Vaidya, Darshan
Erfan, Sayeh
Ichihara, Osamu
Felicetti, Brunella
Palan, Shilpa
Pedret-Dunn, Anna
Schaertl, Sabine
Sternberger, Ina
Ebneth, Andreas
Scheel, Andreas
Winkler, Dirk
Toledo-Sherman, Leticia
Beconi, Maria
Macdonald, Douglas
Muñoz-Sanjuan, Ignacio
Dominguez, Celia
Wityak, John
description Tissue transglutaminase 2 (TG2) is a multifunctional protein primarily known for its calcium-dependent enzymatic protein cross-linking activity via isopeptide bond formation between glutamine and lysine residues. TG2 overexpression and activity have been found to be associated with Huntington’s disease (HD); specifically, TG2 is up-regulated in the brains of HD patients and in animal models of the disease. Interestingly, genetic deletion of TG2 in two different HD mouse models, R6/1 and R6/2, results in improved phenotypes including a reduction in neuronal death and prolonged survival. Starting with phenylacrylamide screening hit 7d, we describe the SAR of this series leading to potent and selective TG2 inhibitors. The suitability of the compounds as in vitro tools to elucidate the biology of TG2 was demonstrated through mode of inhibition studies, characterization of druglike properties, and inhibition profiles in a cell lysate assay.
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subjects Acrylamides - chemical synthesis
Acrylamides - chemistry
Acrylamides - pharmacology
Animals
Caco-2 Cells
Cell Membrane Permeability
GTP-Binding Proteins - antagonists & inhibitors
HEK293 Cells
Humans
Huntington Disease - drug therapy
In Vitro Techniques
Male
Mice
Microsomes, Liver - metabolism
Models, Molecular
Piperazines - chemical synthesis
Piperazines - chemistry
Piperazines - pharmacology
Pyridines - chemical synthesis
Pyridines - chemistry
Pyridines - pharmacology
Pyrimidines - chemical synthesis
Pyrimidines - chemistry
Pyrimidines - pharmacology
Rats
Structure-Activity Relationship
Sulfonamides - chemical synthesis
Sulfonamides - chemistry
Sulfonamides - pharmacology
Transglutaminases - antagonists & inhibitors
title Discovery and Structure–Activity Relationship of Potent and Selective Covalent Inhibitors of Transglutaminase 2 for Huntington’s Disease
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