User profiles for John T. Barr

John T Barr

Merck SSF PPDM
Verified email at wsu.edu
Cited by 445

Reactions of Polyfluoro Olefins. II.1 Reactions with Primary and Secondary Amines2

RL Pruett, JT Barr, KE Rapp, CT Bahner… - Journal of the …, 1950 - ACS Publications
Diethylamine has been treated with aluminum chloride and tetrafluoroethylene at 90 to
obtain an unidentified liquid boiling at 176-177 and 761 mm. 3 Rigby and Schroe-der4 have …

A novel reaction mediated by human aldehyde oxidase: amide hydrolysis of GDC-0834

…, L Liu, SC Khojasteh, CECA Hop, JT Barr… - Drug Metabolism and …, 2015 - ASPET
GDC-0834, a Bruton’s tyrosine kinase inhibitor investigated as a potential treatment of
rheumatoid arthritis, was previously reported to be extensively metabolized by amide hydrolysis …

Determination of the Structure and Catalytic Mechanism of Sorghum bicolor Caffeic Acid O-Methyltransferase and the Structural Impact of Three brown midrib12 …

AR Green, KM Lewis, JT Barr, JP Jones, F Lu… - Plant …, 2014 - academic.oup.com
Using S-adenosyl-methionine as the methyl donor, caffeic acid O-methyltransferase from
sorghum (Sorghum bicolor; SbCOMT) methylates the 5-hydroxyl group of its preferred substrate…

Inhibition of human liver aldehyde oxidase: implications for potential drug-drug interactions

JT Barr, JP Jones - Drug metabolism and disposition, 2011 - ASPET
During the course of our research efforts to understand the kinetics of human aldehyde oxidase
as a xenobiotic-clearing enzyme, we investigated the effect of eight different inhibitors on …

Evidence for substrate-dependent inhibition profiles for human liver aldehyde oxidase

JT Barr, JP Jones - Drug metabolism and disposition, 2013 - ASPET
The goal of this study was to provide a reasonable assessment of how probe substrate
selection may impact the results of in vitro aldehyde oxidase (AO) inhibition experiments. Here, …

Evaluation of rhesus monkey and guinea pig hepatic cytosol fractions as models for human aldehyde oxidase

KV Choughule, JT Barr, JP Jones - Drug metabolism and disposition, 2013 - ASPET
Aldehyde oxidase (AOX) is a cytosolic enzyme expressed across a wide range of species,
including guinea pig and rhesus monkey. These species are believed to be the best …

Absolute quantification of aldehyde oxidase protein in human liver using liquid chromatography–tandem mass spectrometry

JT Barr, JP Jones, CA Joswig-Jones… - Molecular …, 2013 - ACS Publications
The function of the enzyme human aldehyde oxidase (AOX1) is uncertain; however, recent
studies have implicated significant biochemical involvement in humans. AOX1 has also …

Strain-dependent variability of early discovery small molecule pharmacokinetics in mice: does strain matter?

JT Barr, TB Tran, BM Rock, JL Wahlstrom… - Drug Metabolism and …, 2020 - ASPET
Drug discovery programs routinely perform pharmacokinetic (PK) studies in mice to
prioritize lead compounds based on anticipated exposure-efficacy and exposure-toxicity …

Why do most human liver cytosol preparations lack xanthine oxidase activity?

JT Barr, KV Choughule, S Nepal, T Wong… - Drug metabolism and …, 2014 - ASPET
When investigating the potential for xanthine oxidase (XO)-mediated metabolism of a new
chemical entity in vitro, selective chemical inhibition experiments are typically used. Most …

Inhibition of human aldehyde oxidase activity by diet-derived constituents: structural influence, enzyme-ligand interactions, and clinical relevance

JT Barr, JP Jones, NH Oberlies, MF Paine - Drug metabolism and disposition, 2015 - ASPET
The mechanistic understanding of interactions between diet-derived substances and
conventional medications in humans is nascent. Most investigations have examined cytochrome …