TULA Proteins in Men, Mice, Hens, and Lice: Welcome to the Family

The two members of the UBASH3/STS/TULA protein family have been shown to critically regulate key biological functions, including immunity and hemostasis, in mammalian biological systems. Negative regulation of signaling through immune receptor tyrosine-based activation motif (ITAM)- and hemITAM-bear...

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Main Author: Alexander Y. Tsygankov
Format: Article
Language:English
Published: MDPI AG 2023-05-01
Series:International Journal of Molecular Sciences
Subjects:
Online Access:https://www.mdpi.com/1422-0067/24/11/9126
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author Alexander Y. Tsygankov
author_facet Alexander Y. Tsygankov
author_sort Alexander Y. Tsygankov
collection DOAJ
description The two members of the UBASH3/STS/TULA protein family have been shown to critically regulate key biological functions, including immunity and hemostasis, in mammalian biological systems. Negative regulation of signaling through immune receptor tyrosine-based activation motif (ITAM)- and hemITAM-bearing receptors mediated by Syk-family protein tyrosine kinases appears to be a major molecular mechanism of the down-regulatory effect of TULA-family proteins, which possess protein tyrosine phosphatase (PTP) activity. However, these proteins are likely to carry out some PTP-independent functions as well. Whereas the effects of TULA-family proteins overlap, their characteristics and their individual contributions to cellular regulation also demonstrate clearly distinct features. Protein structure, enzymatic activity, molecular mechanisms of regulation, and biological functions of TULA-family proteins are discussed in this review. In particular, the usefulness of the comparative analysis of TULA proteins in various metazoan taxa, for identifying potential roles of TULA-family proteins outside of their functions already established in mammalian systems, is examined.
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spelling doaj.art-2b115646c93e45e6946bfbc2132757422023-11-18T07:54:45ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672023-05-012411912610.3390/ijms24119126TULA Proteins in Men, Mice, Hens, and Lice: Welcome to the FamilyAlexander Y. Tsygankov0Sol Sherry Thrombosis Research Center, Lewis Katz School of Medicine, Temple University, Philadelphia, PA 19140, USAThe two members of the UBASH3/STS/TULA protein family have been shown to critically regulate key biological functions, including immunity and hemostasis, in mammalian biological systems. Negative regulation of signaling through immune receptor tyrosine-based activation motif (ITAM)- and hemITAM-bearing receptors mediated by Syk-family protein tyrosine kinases appears to be a major molecular mechanism of the down-regulatory effect of TULA-family proteins, which possess protein tyrosine phosphatase (PTP) activity. However, these proteins are likely to carry out some PTP-independent functions as well. Whereas the effects of TULA-family proteins overlap, their characteristics and their individual contributions to cellular regulation also demonstrate clearly distinct features. Protein structure, enzymatic activity, molecular mechanisms of regulation, and biological functions of TULA-family proteins are discussed in this review. In particular, the usefulness of the comparative analysis of TULA proteins in various metazoan taxa, for identifying potential roles of TULA-family proteins outside of their functions already established in mammalian systems, is examined.https://www.mdpi.com/1422-0067/24/11/9126TULATULA-1TULA-2Sts-1Sts-2UBASH3A
spellingShingle Alexander Y. Tsygankov
TULA Proteins in Men, Mice, Hens, and Lice: Welcome to the Family
International Journal of Molecular Sciences
TULA
TULA-1
TULA-2
Sts-1
Sts-2
UBASH3A
title TULA Proteins in Men, Mice, Hens, and Lice: Welcome to the Family
title_full TULA Proteins in Men, Mice, Hens, and Lice: Welcome to the Family
title_fullStr TULA Proteins in Men, Mice, Hens, and Lice: Welcome to the Family
title_full_unstemmed TULA Proteins in Men, Mice, Hens, and Lice: Welcome to the Family
title_short TULA Proteins in Men, Mice, Hens, and Lice: Welcome to the Family
title_sort tula proteins in men mice hens and lice welcome to the family
topic TULA
TULA-1
TULA-2
Sts-1
Sts-2
UBASH3A
url https://www.mdpi.com/1422-0067/24/11/9126
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