Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
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Usage
For Research Use Only. Not for use in diagnostic or therapeutic procedures.
Acts as an inhibitory receptor for myeloid cells and mast cells. Positively regulates the phagocytosis of apoptotic cells (efferocytosis) via phosphatidylserine (PS) recognition; recognizes and binds PS as a ligand which is expressed on the surface of apoptotic cells. Plays an important role in the maintenance of immune homeostasis, by promoting macrophage-mediated efferocytosis and by inhibiting dendritic cell-mediated efferocytosis. Negatively regulates Fc epsilon receptor-dependent mast cell activation and allergic responses via binding to ceramide and sphingomyelin which act as ligands. May act as a coreceptor for interleukin 4 (IL-4). Associates with and regulates IL-4 receptor alpha-mediated responses by augmenting IL-4- and IL-13-induced signaling. Negatively regulates the Toll-like receptor (TLR) signaling mediated by MYD88 and TRIF through activation of PTPN6/SHP-1 and PTPN11/SHP-2. Inhibits osteoclast formation. Induces macrophage cell death upon engagement.
Gene References into Functions
this study demonstrates the role of CD300f in governing innate immune eosinophil activities in pediatric Crohn's disease patients and in active ulcerative colitis patients PMID: 27118491
findings suggest that two rare heterozygous truncating variations (RPS24 Q191X and CD300LF P261fsX266) are risk candidates for autism spectrum disorder. PMID: 25601189
The data suggest that the neuroprotective role of CD300f would be the result of a complex network of cell interactions. PMID: 21951326
peptides containing ITIM-like sequences of IREM-1 (CD300F) differentially regulate MyD88 and TRIF-mediated TLR signalling PMID: 22288587
CD300f blocked the activation of cells induced by all TLR ligands PMID: 22043923
Data indicate that CD300F is an active regulator of TLR-mediated macrophage activation through association with SHP-1 involving MyD88 and/or TRIF. PMID: 21536801
Findings indicate that IREM-1 exerted its inhibitory effect on BAFF-medicated signalling through ITIM-mediated regulation of ERK activities in THP-1 cells. PMID: 20646006
IgSF13 was identified from dendritic cells; preferentially expressed in myelo-monocytic cells, including monocytes, monocyte-derived DC and monocyte-related cell lines; may be involved in the negative regulation of specific leukocyte population [IgSF13] PMID: 15184070
a novel inhibitory receptor of the Ig superfamily in myeloid cells. (IREM-1 = immune receptor expressed on myeloid cells-1) PMID: 15549731
reveal a putative functional duality of the IREM-1 myeloid cell receptor PMID: 17202342
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Subcellular Location
Cell membrane; Single-pass type I membrane protein.
Protein Families
CD300 family
Tissue Specificity
Highly expressed in spleen, peripheral blood leukocyte and monocyte, and lung. Weakly expressed in thymus, heart, brain, placenta, liver, skeletal muscle, kidney, pancreas, prostate, testis, ovary, small intestine or colon. Expressed selectively in monocy