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Advances in Protein Tyrosine Phosphatases

A special issue of International Journal of Molecular Sciences (ISSN 1422-0067). This special issue belongs to the section "Molecular Pharmacology".

Deadline for manuscript submissions: 15 July 2024 | Viewed by 343

Special Issue Editor


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Guest Editor
School of Life Sciences, University of Westminster, 115 New Cavendish Street, London W1W 6UW, UK
Interests: protein tyrosine phosphatases; AlphaFold; structure-based drug design; biotherapeutics; platelets; thrombosis; diabetes; obesity; AI; phosphatases inhibitors; CD148; protein-protein interactions

Special Issue Information

Dear Colleagues,

Protein tyrosine phosphatases (PTPs) are signalling molecules that play critical roles in cellular regulation underlying diverse physiological events. Aberrant signalling of these enzymes as a result of genetic mutation or altered expression levels has been associated with several diseases, specifically cancer. Many PTPs are regulated as drug targets, and several inhibitors have now entered clinical trials.

Protein tyrosine phosphorylation is a common post-translational modification that can create novel recognition motifs for protein interactions and cellular localization, affect protein stability, and regulate enzyme activity. PTPs are a group of enzymes that remove phosphate groups from phosphorylated tyrosine residues on proteins and thereby regulate these processes.

This Special Issue aspires to provide a platform for showcasing molecular mechanistic research on protein tyrosine phosphatases with a special focus on potential pharmacological applications. We warmly welcome your submissions of original papers and reviews based on the results of research from molecular viewpoints.

Dr. Alastair J. Barr
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. International Journal of Molecular Sciences is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. There is an Article Processing Charge (APC) for publication in this open access journal. For details about the APC please see here. Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • PTPs
  • protein tyrosine phosphatases
  • signalling molecules
  • drug target
  • genetic mutation
  • post-translational modification
  • pharmacological applications
  • phosphate
  • phosphorylation

Published Papers (1 paper)

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Review

16 pages, 1397 KiB  
Review
Recent Developments in the Role of Protein Tyrosine Phosphatase 1B (PTP1B) as a Regulator of Immune Cell Signalling in Health and Disease
by Neve E. Read and Heather M. Wilson
Int. J. Mol. Sci. 2024, 25(13), 7207; https://doi.org/10.3390/ijms25137207 (registering DOI) - 29 Jun 2024
Viewed by 133
Abstract
Protein tyrosine phosphatase 1B (PTP1B) is a non-receptor tyrosine phosphatase best known for its role in regulating insulin and leptin signalling. Recently, knowledge on the role of PTP1B as a major regulator of multiple signalling pathways involved in cell growth, proliferation, viability and [...] Read more.
Protein tyrosine phosphatase 1B (PTP1B) is a non-receptor tyrosine phosphatase best known for its role in regulating insulin and leptin signalling. Recently, knowledge on the role of PTP1B as a major regulator of multiple signalling pathways involved in cell growth, proliferation, viability and metabolism has expanded, and PTP1B is recognised as a therapeutic target in several human disorders, including diabetes, obesity, cardiovascular diseases and hematopoietic malignancies. The function of PTP1B in the immune system was largely overlooked until it was discovered that PTP1B negatively regulates the Janus kinase—a signal transducer and activator of the transcription (JAK/STAT) signalling pathway, which plays a significant role in modulating immune responses. PTP1B is now known to determine the magnitude of many signalling pathways that drive immune cell activation and function. As such, PTP1B inhibitors are being developed and tested in the context of inflammation and autoimmune diseases. Here, we provide an up-to-date summary of the molecular role of PTP1B in regulating immune cell function and how targeting its expression and/or activity has the potential to change the outcomes of immune-mediated and inflammatory disorders. Full article
(This article belongs to the Special Issue Advances in Protein Tyrosine Phosphatases)
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