Abstract
Protein tyrosine phosphorylation is one of the key mechanisms involved in signal transduction pathways. This modification is regulated by concerted action of protein tyrosine phosphatases and protein tyrosine kinases. Deregulation of either of these key regulators lead to abnormal cellular signaling, which is largely associated with human pathologies including cancer. Although the role of protein tyrosine kinases in cancer is well established, less is known about the involvement of protein tyrosine phosphatases in carcinogenesis and tumor progression. Moreover, several inhibitors targeting protein tyrosine kinases have demonstrated their value in cancer treatment, while interest in protein tyrosine phosphatases as a target for treatment has risen more recently. In this review we describe the progressive efforts and challenges concerning the development of drugs targeting phosphatases as promising novel cancer therapies. We focus on two key regulatory SH2 domain-containing phosphatases, SHP-1 and SHP-2 and one of their substrates, signal regulatory protein alpha. Since SHPs have been linked to many different malignancies, protein tyrosine phosphatases could offer a great spectrum of new, targeted drugs.
Keywords: Protein tyrosine phosphatase, SHP-1, SHP-2, SIRPα, phosphatase inhibitor
Anti-Cancer Agents in Medicinal Chemistry
Title: Role of Tyrosine Phosphatase Inhibitors in Cancer Treatment with Emphasis on SH2 Domain-Containing Tyrosine Phosphatases (SHPs)
Volume: 9 Issue: 2
Author(s): Mahban Irandoust, Timo K. van den Berg, Gertjan J.L. Kaspers and Jacqueline Cloos
Affiliation:
Keywords: Protein tyrosine phosphatase, SHP-1, SHP-2, SIRPα, phosphatase inhibitor
Abstract: Protein tyrosine phosphorylation is one of the key mechanisms involved in signal transduction pathways. This modification is regulated by concerted action of protein tyrosine phosphatases and protein tyrosine kinases. Deregulation of either of these key regulators lead to abnormal cellular signaling, which is largely associated with human pathologies including cancer. Although the role of protein tyrosine kinases in cancer is well established, less is known about the involvement of protein tyrosine phosphatases in carcinogenesis and tumor progression. Moreover, several inhibitors targeting protein tyrosine kinases have demonstrated their value in cancer treatment, while interest in protein tyrosine phosphatases as a target for treatment has risen more recently. In this review we describe the progressive efforts and challenges concerning the development of drugs targeting phosphatases as promising novel cancer therapies. We focus on two key regulatory SH2 domain-containing phosphatases, SHP-1 and SHP-2 and one of their substrates, signal regulatory protein alpha. Since SHPs have been linked to many different malignancies, protein tyrosine phosphatases could offer a great spectrum of new, targeted drugs.
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Cite this article as:
Irandoust Mahban, van den Berg K. Timo, Kaspers J.L. Gertjan and Cloos Jacqueline, Role of Tyrosine Phosphatase Inhibitors in Cancer Treatment with Emphasis on SH2 Domain-Containing Tyrosine Phosphatases (SHPs), Anti-Cancer Agents in Medicinal Chemistry 2009; 9 (2) . https://dx.doi.org/10.2174/187152009787313864
DOI https://dx.doi.org/10.2174/187152009787313864 |
Print ISSN 1871-5206 |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-5992 |
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