N-Terminal Region Sulfation in a Conserved Extracellular CCR2B Is a Glycoprotein That Has Tyrosine Monocyte Chemotactic Protein-1 Receptor
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Functional differences between monocyte chemotactic protein-1 receptor A and monocyte chemotactic protein-1 receptor B expressed in a Jurkat T cell.
The monocyte chemotactic protein-1 (MCP-1) receptor (MCP-1R) is expressed on monocytes, a subpopulation of memory T lymphocytes, and basophils. Two alternatively spliced forms of MCP-1R, CCR2A and CCR2B, exist and differ only in their carboxyl-terminal tails. To determine whether CCR2A and CCR2B receptors function similarly, Jurkat T cells were stably transfected with plasmids encoding the huma...
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G protein-coupled receptors (GPCRs) initiate diverse down-stream signaling events in response to ligand stimulation, as rapid activation of the extracellular signal-regulated kinase ERK1 and ERK2. The chemokine monocyte chemoattractant protein-1 (MCP-1) is the agonist for several chemokine receptors that belong to the GPCR superfamily, CCR2 being the most important. Stimulation of mitogen-activ...
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Protein tyrosine phosphatases (PTPases) regulate the tyrosine phosphorylation of target proteins involved in several biological activities including cell proliferation and transformation. Protein tyrosine phosphatase E (PTPE) contains duplicated PTPase-like domains and a short extracellular region. Using the fluorescence in situ hybridization method, the gene encoding PTPE (locus symbol Ptpre...
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Microfibril-associated glycoprotein-1 (MAGP-1) is a small molecular weight protein associated with extracellular matrix microfibrils. Biochemical studies have shown that MAGP-1 undergoes several posttranslational modifications that may influence its associations with other microfibrillar components. To identify the sites in the molecule where posttranslational modifications occur, we expressed ...
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تاریخ انتشار 2000