The murine ortholog of the SHP-2 binding molecule, PZR accelerates cell migration on fibronectin and is expressed in early embryo formation.

The murine ortholog of the SHP-2 binding molecule, PZR accelerates cell migration on fibronectin and is expressed in early embryo formation. Research Abstract Details 

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The murine ortholog of the SHP-2 binding molecule, PZR accelerates cell migration on fibronectin and is expressed in early embryo formation. Abstract Text:

Maria G Roubelakis,Enca Martin-Rendon,Grigorios Tsaknakis,Athanassios Stavropoulos,Suzanne M Watt,

The human P zero-related protein (hPZR) has a unique function in regulating cell migration. This activity is dependent on both its cytoplasmic immunoreceptor tyrosine inhibitory motif (ITIM) and its interaction with the tyrosine protein phosphatase, src homology phosphatase-2 (SHP-2). Here, using in silico and cDNA cloning approaches, we identify the murine ITIM-containing hPZR ortholog, mPZR, together with its ITIM-less isoform, mPZRb. We demonstrate that, like hPZR, these type 1 integral murine transmembrane isoforms are derived by differential splicing from a single gene transcription unit on mouse chromosome 1, and differ only in the sequence of their cytoplasmic domains. Importantly, mPZR mimicks hPZR functionally by accelerating SHP-2-mediated cell migration on fibronectin. Interestingly, we further demonstrate that although neither mPZR nor mPZRb is expressed in murine pluripotent embryonic stem cells, they first appear at approximately day 3 of blastocyst formation in vivo and of embryoid body formation in vitro. These studies thus provide the basis for defining the function of the mPZR isoforms in vivo, particularly with respect to their roles in regulating SHP-2-dependent cell migration during development.

The murine ortholog of the SHP-2 binding molecule, PZR accelerates cell migration on fibronectin and is expressed in early embryo formation. Publishing Authors By Initials

MG Roubelakis,E Martin-Rendon,G Tsaknakis,A Stavropoulos,SM Watt,

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The murine ortholog of the SHP-2 binding molecule, PZR accelerates cell migration on fibronectin and is expressed in early embryo formation. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Journal of cellular biochemistry

VOLUME: 102

Page Numbers: 955-69

Journal Abbreviation: J. Cell. Biochem.

ISSN: 0730-2312

DAY: 1

MONTH: Nov

YEAR: 2007

The murine ortholog of the SHP-2 binding molecule, PZR accelerates cell migration on fibronectin and is expressed in early embryo formation. Information

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LANGUAGE: eng

NlmUniqueID: 8205768

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Grant and Affiliation Information for The murine ortholog of the SHP-2 binding molecule, PZR accelerates cell migration on fibronectin and is expressed in early embryo formation.

AFFILIATION: Stem Cell Research Laboratory, National Blood Service, NHS Blood and Transplant Authority, Oxford OX3 5BG, UK. mroubelaki@bioacademy.gr

Country: United States

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MEDLINETA: J Cell Biochem

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