C163A Rabbit Polyclonal Antibody
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It is uncertain whether Met-1 or Met-6 is the initiator.|disease:The soluble form (sCD163) in plasma is a novel parameter in diseases affecting macrophage function and monocyte/macrophage load in the body. The concentration of sCD163 is probably reflecting the number of macrophages of the 'alternative macrophage activation' phenotype with a high CD163 expression playing a major role in dampening the inflammatory response and scavenging components of damaged cells. This has initiated a number of clinical studies for evaluation of sCD163 as a disease marker in inflammatory conditions e.g. infection| autoimmune disease| transplantation| atherosclerosis and cancer.|The SRCR domain 3 mediates calcium-sensitive interaction with hemoglobin/haptoglobin complexes.|Acute phase-regulated receptor involved in clearance and endocytosis of hemoglobin/haptoglobin complexes by macrophages and may thereby protect tissues from free hemoglobin-mediated oxidative damage. May play a role in the uptake and recycling of iron| via endocytosis of hemoglobin/haptoglobin and subsequent breakdown of heme. Binds hemoglobin/haptoglobin complexes in a calcium-dependent and pH-dependent manner. Exhibits a higher affinity for complexes of hemoglobin and multimeric haptoglobin of HP*1F phenotype than for complexes of hemoglobin and dimeric haptoglobin of HP*1S phenotype. Induces a cascade of intracellular signals that involves tyrosine kinase-dependent calcium mobilization| inositol triphosphate production and secretion of IL6 and CSF1. Isoform 3 exhibits the higher capacity for ligand endocytosis and the more pronounced surface expression when expressed in cells.|After shedding| the soluble form (sCD163) may play an anti-inflammatory role| and may be a valuable diagnostic parameter for monitoring macrophage activation in inflammatory conditions.|induction:Induced by anti-inflammatory mediators such as glucocorticoids| IL6 and IL10; suppressed by proinflammatory mediators like lipopolysaccharide (LPS)| Interferon gamma/IFNG| and tumor necrosis factor alpha.|miscellaneous:Intravenous lipopolysaccharide (LPS) produces a rapid rise of sCD163 in plasma of patient as it induces metalloproteinase-mediated shedding from monocytes surface. Long-term LPS infusion finally increases expression of the membrane-bound form on circulating monocytes.|PTM:A soluble form (sCD163) is produced by proteolytic shedding which can be induced by lipopolysaccharide| phorbol ester and Fc region of immunoglobulin gamma. This cleavage is dependent on protein kinase C and tyrosine kinases and can be blocked by protease inhibitors. The shedding is inhibited by the tissue inhibitor of metalloproteinase TIMP3| and thus probably induced by membrane-bound metalloproteinases ADAMs.|PTM:Phosphorylated.|Contains 9 SRCR domains.|subcellular location:Isoform 1 and isoform 2 show a lower surface expression when expressed in cells.|subunit:Interacts with CSNK2B.|tissue specificity:Expressed in monocytes and mature macrophages such as Kupffer cells in the liver| red pulp macrophages in the spleen| cortical macrophages in the thymus| resident bone marrow macrophages and meningeal macrophages of the central nervous system. Expressed also in blood. Isoform 1 is the lowest abundant in the blood. Isoform 2 is the lowest abundant in the liver and the spleen. Isoform 3 is the predominant isoform detected in the blood.|
Fully tested in-house by ABMIUM, or supported by an advanced validation report from a partner reviewed by ABMIUM. Highest confidence. Non-conformities fully supported under the ABMIUM Product Promise.
Quality verified. Independent collaborator or expected-performance data available. Product meets ABMIUM quality standards.
Expected to work based on structural and biochemical data. Not yet directly tested by ABMIUM or a collaborator. No non-conformity support for this combination.
Not recommended for this application or species/sample combination. This may indicate either evidence of unsuitability or that the combination has not been tested and therefore cannot currently be recommended.
Evidence status by application and model.
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This product is manufactured by BT LAB and sold through ABMIUM without relabelling.
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CD163 (CD163 molecule; M130) is a scavenger receptor expressed principally by monocytes and macrophages. This ABMIUM target record links human CD163 (NCBI Gene 9332; UniProt Q86VB7) to catalogue-backed research products.
Biological function: CD163 is a scavenger receptor on monocytes and macrophages that mediates clearance and endocytosis of hemoglobin-haptoglobin complexes. This pathway can limit exposure to free hemoglobin and associated oxidative damage and contributes to innate immune sensing.
