Upon receipt, store at -20°C or -80°C. Avoid repeated freeze.
Lead Time
Basically, we can dispatch the products out in 1-3 working days after receiving your orders. Delivery time maybe differs from different purchasing way or location, please kindly consult your local distributors for specific delivery time.
Receptor for the chemotactic and inflammatory peptide anaphylatoxin C3a. This receptor stimulates chemotaxis, granule enzyme release and superoxide anion production.
Gene References into Functions
High C3aR1 expression is associated with acute myeloid leukemia-M2. PMID: 25426664
these findings suggest a critical role for C3a through autocrine/paracrine induction of C3aR in the pathogenesis of cigarette smoke-induced sterile inflammation and provide new therapeutic targets for the treatment of emphysema. PMID: 25465103
Medulloblastoma cells express C3aR, and siRNA-mediated knockdown of C3aR inhibits proliferation of these cells in vitro. PMID: 25603857
Observed a positive correlation between the expression of anaphylatoxin-receptors C3aR and C5aR with platelet activation in patients with coronary artery disease. PMID: 25544179
C3aR and CD46 activation via intrinsic generation of their respective ligands is an integral part of human Th1 (but not Th2) immunity. PMID: 24321396
functional regulation of C3aR by NHERFs in human mast cells PMID: 23284683
significantly decreased expression of C3aR mRNA and protein expression in placentas with preeclampsia compared to controls PMID: 22901903
study demonstrates that although C3a causes phosphorylation of its receptor at multiple sites, Ser459, Thr463, Ser465, Thr466 and Ser470 participate in C3aR desensitization PMID: 23077507
Complement C3a receptor activation contributes to the pathogenesis of preeclampsia. PMID: 22868393
a new level of complexity for C3aR regulation PMID: 21799898
shows that both beta-arrestin-1 and beta-arrestin-2 play a novel and shared role in inhibiting G protein-dependent ERK1/2 phosphorylation. These findings reveal a new level of complexity for C3aR regulation by beta-arrestins in human mast cells PMID: 21589858
Mutant gonococci lacking the pilin glycan did not bind to the I-domain when it is in a closed, low-affinity conformation and cannot induce an active conformation to complement receptor 3 during pex cell challenge. PMID: 21371235
Sulfation of tyrosine 174 in the human C3a receptor is essential for binding of C3a anaphylatoxin. PMID: 12871936
determination of whether the levels of complement factors C3a, C4a, and C5a are elevated at the site of inflammation in chronic obstructive pulmonary disease and in asthma PMID: 15039137
Complement receptor 3 (CR3) is involved in the binding of Leishmania promastigote surface antigen-2 leucine-rich repeat motifs to macrophages, an interaction which can be blocked by anti-CR3 antibodies. PMID: 15067069
C3a receptor is highly expressed in primary renal proximal tubular epithelial cells in studies that define a new pathway by which complement activation may directly modulate the renal response to immunologic injury. PMID: 15356170
C3aR is expressed on plasmacytoid dendritic cells. PMID: 16778800
endothelial cells and subendothelial smooth muscle cells express both C3aR and C5aR PMID: 17234193
C3a receptor may be used as a unique biomarker of diagnosis and disease activity in patients with lupus nephritis. PMID: 17472841
In stenotic valves, expression of C3aR mRNA was upregulated PMID: 17498719
on the basis of the location of C3aR and C5aR, C5aR may play a role in activation of inflammatory cells, whereas C3aR may mediate mucus secretion and mucosal swelling in allergic nasal mucosa, especially severe persistent allergic nasal mucosa PMID: 18538384
Show More
Hide All
Subcellular Location
Cell membrane; Multi-pass membrane protein.
Protein Families
G-protein coupled receptor 1 family
Tissue Specificity
Widely expressed in several differentiated hematopoietic cell lines, in the lung, spleen, ovary, placenta, small intestine, throughout the brain, heart, and endothelial cells. Mostly expressed in lymphoid tissues.