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A Lymphoid Tissue-Specific Receptor, EDG6, with Potential Immune Modulatory Functions Mediated by Extracellular Lysophospholipids

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Book cover Mechanisms of B Cell Neoplasia 1998

Part of the book series: Current Topics in Microbiology and Immunology ((CT MICROBIOLOGY,volume 246))

Abstract

Among the functionally very heterogeneous G protein-coupled receptors (GPCR) the EDG (endothelial differentiation gene) proteins define a new class of seven transmembrane proteins. The founding member, EDG1, was isolated as a PMA- inducible immediate-early transcript from human umbilical vein endothelial cells (HUVEC) [1]. Up to now six receptors belonging to the EDG family have been identified (see Table 1). As is typical for GPCRs, EDG receptors share the closest similarities in the sequences encompassing the transmembrane domain 1 (TM1) through TM7. Apart from this, EDG receptors are characterized by distinct sequence features such as a GWN/HC tetrapeptide found at the end of TM4. Furthermore all EDG proteins lack a cysteine residue in the first extracellular loop which is usually part of a disulphide bridge in GPCRs [2].

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© 1999 Springer-Verlag Berlin Heidelberg

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Gräler, M.H., Bernhardt, G., Lipp, M. (1999). A Lymphoid Tissue-Specific Receptor, EDG6, with Potential Immune Modulatory Functions Mediated by Extracellular Lysophospholipids. In: Melchers, F., Potter, M. (eds) Mechanisms of B Cell Neoplasia 1998. Current Topics in Microbiology and Immunology, vol 246. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-60162-0_17

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  • DOI: https://doi.org/10.1007/978-3-642-60162-0_17

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-64283-8

  • Online ISBN: 978-3-642-60162-0

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