Cited by 101Protein Tyrosine PhosphatasesT-cell and B-cell ImmunologyCytokine Signaling Pathways and Interactions

Cloning and expression of an inducible lymphoid‐specific, protein tyrosine phosphatase (HePTPase)

Zanke, Brent, Suzuki, Haruhiko, Kishihara, Kenji, Mizzen, Lee, Minden, Mark, Pawson, Anthony, Mak, Tak W.·1992·European Journal of Immunology

Abstract

Tyrosine phosphorylation and dephosphorylating events have been shown to be central to the process of growth regulation and signal transduction. We report here, the identification of a new gene with a tyrosine phosphatase domain (EC 3.1.3.48) which is expressed exclusively in thymus and spleen. A cDNA of 2760 bp encodes a 339‐amino acid, intracellular, single‐domain tyrosine phosphatase. When expressed as a glutathionine‐S‐transferase fusion protein, efficient lysis of p‐nitrophenyl phosphate is noted, indicating in vitro enzymatic activity of the cloned gene product. Normal mouse lymphocytes increase mRNA expression 10‐15‐fold upon stimulation with phytohemagglutinin, concanavalin A, lipo‐polysaccharide or anti‐CD3 monoclonal antibody. This new hematopoietic tyrosine phosphatase, (HePTP), may play a role in the regulation of T and B lymphocyte development and signal transduction.

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Crossref · 10.1002/eji.1830220134

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  • KIM-PTPs HePTP, STEP, and PTPSL possess an N-terminal unstructured extension that includes the KIM, followed by their C-terminal phosphatase domain.

    “Furthermore, the KIM-PTPs [Fig.1(B), center; hematopoietic tyrosine phosphatase, HePTP, immune system specific; 25 striatum-enriched phosphatase, STEP, brain specific; 26 STEP-like PTP, PTPSL, brain specific 27 ) also possess an N-terminal unstructured extension, which includes the KIM, followed by their C-terminal phosphatase domain (PTP).”

    From Molecular basis of MAP kinase regulation (2013) · cites this paper as [25]

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Authors
Zanke, B., Suzuki, H., Kishihara, K., Mizzen, L., Minden, M., Pawson, A., & Mak, T. W.
Affiliations
  • University of Toronto (CA)
  • Mount Sinai Hospital (CA)
Corresponding author
Mak, Tak W.
Venue
European Journal of Immunology
Publisher
Wiley
Published
1992-01
Volume
22
Issue
1
Pages
235-239
ISSN
  • 0014-2980 (ISSN-L)
  • 1521-4141
OpenAlex
W2067920491
Cited by
101
References
25
Citations by year
2026: 1 · 2021: 1 · 2019: 1 · 2017: 2 · 2016: 1 · 2015: 1 · 2014: 1 · 2013: 3 · 2012: 3
FWCI
2.77
Type
journal article
Language
en
Open access
closed
Locations
  • European Journal of Immunology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Protein Tyrosine Phosphatases
  • Life Sciences › Immunology and Microbiology › Immunology › T-cell and B-cell Immunology
  • Health Sciences › Medicine › Oncology › Cytokine Signaling Pathways and Interactions
Keywords
protein tyrosine phosphatase, thymus, spleen, lymphocyte activation, signal transduction, T cell development, B cell development, gene cloning, cDNA expression, GST fusion protein, anti-CD3 stimulation, concanavalin A, phytohemagglutinin, lipopolysaccharide
MeSH terms
Amino Acid Sequence, Animals, Antigens, Differentiation, T-Lymphocyte, Base Sequence, Cloning, Molecular, Concanavalin A, Lipopolysaccharides, Lymphocytes, Mice, Inbred BALB C, Molecular Sequence Data, Phytohemagglutinins, Receptors, Antigen, T-Cell, RNA, Messenger, Protein Tyrosine Phosphatases, CD3 Complex, Mice

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