| http://purl.uniprot.org/citations/7516890 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/7516890 | http://www.w3.org/2000/01/rdf-schema#comment | "The high affinity Fc gamma receptor, Fc gamma RI, is unique among the three classes of macrophage Fc gamma receptors not only in its affinity for IgG, but also in the structure of its cytoplasmic domain. Fc gamma RIIA and the gamma subunit of Fc gamma RIIIA have tyrosine-containing motifs within their cytoplasmic domains that are phosphorylated when crosslinked and that are required for phagocytosis by COS-1 cell transfectants. In contrast to these other Fc gamma receptors, Fc gamma RI does not contain cytoplasmic tyrosines and does not induce phagocytosis in COS-1 transfectants. We transfected wild-type (WT) and mutant (MT) Fc gamma RI lacking the cytoplasmic domain into COS-1 cells and murine macrophages and assessed phagocytosis using IgG-coated red blood cells (RBCs) and RBCs conjugated with Fab anti-human Fc gamma RI monoclonal antibody (mAb). Fc gamma RI, in contrast to Fc gamma RIIA, did not induce phagocytosis in COS cells. However, both WT and MT Fc gamma RI induced phagocytosis in murine macrophages, and phagocytosis was inhibited by the tyrosine kinase inhibitor tyrphostin 23. Human monocytes also phagocytosed Fc gamma RI-targeted RBCs, and activation of Fc gamma RI on monocytes with Fab anti-Fc gamma RI induced phosphorylation of Fc gamma RII on tyrosine residues. However, Fc gamma RI activation of Fc gamma RI-Fc gamma RIIA COS-1 cotransfectants did not induce tyrosine phosphorylation of Fc gamma RIIA, and coexpression of Fc gamma RI and Fc gamma RIIA in COS cells did not confer Fc gamma RI phagocytic capability. In contrast, coexpression in COS-1 cells of Fc gamma RI with the gamma subunit of Fc gamma RIIIA conferred phagocytic function to both Fc gamma RI and the MT Fc gamma RI lacking the cytoplasmic domain. Thus, Fc gamma RI does not require its cytoplasmic domain to mediate a phagocytic signal and interacts with the gamma subunit of Fc gamma RIIIA to induce phagocytosis."xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/author | "Kelly C."xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/author | "Huang M.M."xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/author | "Chien P."xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/author | "Hunter S."xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/author | "Kimberly R.P."xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/author | "Pan X.Q."xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/author | "Indik Z.K."xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/author | "Schreiber A.D."xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/author | "Levinson A.I."xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/date | "1994"xsd:gYear |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/name | "Exp Hematol"xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/pages | "599-606"xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/title | "The high affinity Fc gamma receptor (CD64) induces phagocytosis in the absence of its cytoplasmic domain: the gamma subunit of Fc gamma RIIIA imparts phagocytic function to Fc gamma RI."xsd:string |
| http://purl.uniprot.org/citations/7516890 | http://purl.uniprot.org/core/volume | "22"xsd:string |
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