Literature DB >> 18595691

Oxidative inactivation of protein tyrosine phosphatase 1B by organic hydroperoxides.

Sanjib Bhattacharya1, Jason N Labutti, Derrick R Seiner, Kent S Gates.   

Abstract

Protein tyrosine phosphatases (PTPs) are cysteine-dependent enzymes that play a central role in cell signaling. Organic hydroperoxides cause thiol-reversible, oxidative inactivation of PTP1B in a manner that mirrors the endogenous signaling agent hydrogen peroxide.

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Year:  2008        PMID： 18595691      PMCID： PMC2819122          DOI： 10.1016/j.bmcl.2008.06.029

Source DB:  PubMed          Journal:  Bioorg Med Chem Lett        ISSN： 0960-894X            Impact factor:   2.823


  32 in total

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Journal:  Mol Pharmacol       Date:  2000-06       Impact factor: 4.436

5.  Reversible inactivation of the tumor suppressor PTEN by H2O2.

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Journal:  J Biol Chem       Date:  2002-03-26       Impact factor: 5.157

6.  Insulin-stimulated hydrogen peroxide reversibly inhibits protein-tyrosine phosphatase 1b in vivo and enhances the early insulin action cascade.

Authors:  K Mahadev; A Zilbering; L Zhu; B J Goldstein
Journal:  J Biol Chem       Date:  2001-04-10       Impact factor: 5.157

Review 7.  Protein tyrosine phosphatase 1B inhibitors for diabetes.

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9.  Oxidation state of the active-site cysteine in protein tyrosine phosphatase 1B.

Authors:  Rob L M van Montfort; Miles Congreve; Dominic Tisi; Robin Carr; Harren Jhoti
Journal:  Nature       Date:  2003-06-12       Impact factor: 49.962

Review 10.  ROS as signalling molecules: mechanisms that generate specificity in ROS homeostasis.

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  8 in total

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3.  The biological buffer bicarbonate/CO2 potentiates H2O2-mediated inactivation of protein tyrosine phosphatases.

Authors:  Haiying Zhou; Harkewal Singh; Zachary D Parsons; Sarah M Lewis; Sanjib Bhattacharya; Derrick R Seiner; Jason N LaButti; Thomas J Reilly; John J Tanner; Kent S Gates
Journal:  J Am Chem Soc       Date:  2011-09-19       Impact factor: 15.419

4.  Inactivation of protein tyrosine phosphatases by oltipraz and other cancer chemopreventive 1,2-dithiole-3-thiones.

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5.  An Isozyme-specific Redox Switch in Human Brain Glycogen Phosphorylase Modulates Its Allosteric Activation by AMP.

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6.  Activation of hydrogen peroxide to peroxytetradecanoic acid is responsible for potent inhibition of protein tyrosine phosphatase CD45.

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Review 7.  Oxidative stress in obesity-associated hepatocellular carcinoma: sources, signaling and therapeutic challenges.

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8.  The physiological concentration of ferrous iron (II) alters the inhibitory effect of hydrogen peroxide on CD45, LAR and PTP1B phosphatases.

Authors:  Alicja Kuban-Jankowska; Magdalena Gorska; Lukasz Jaremko; Mariusz Jaremko; Jack A Tuszynski; Michal Wozniak
Journal:  Biometals       Date:  2015-09-25       Impact factor: 2.949
  8 in total

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