CD163 Mouse anti-Human, Brilliant Violet 650, Clone: GHI/61, BD
Mouse Monoclonal Antibody
Manufacturer: BD Biosciences 563888
The GHI/61 monoclonal antibody specifically binds to human CD163. CD163 is also known as Scavenger receptor cysteine-rich type 1 protein M130 (M130), Hemoglobin scavenger receptor and Macrophage-associated antigen. CD163 is a 110-130 kDa transmembrane glycoprotein. CD163 is a monocyte/macrophage-restricted antigen expressed on the majority of tissue macrophages and peripheral blood monocytes. CD163 belongs to the scavenger receptor superfamily. Its expression on monocytes is upregulated upon cellular activation. CD163 expression reportedly changes on monocytes and macrophages as these cells differentiate. This finding suggests a role for this molecule in the differentiation and/or regulation of monocyte and macrophage function. CD163 may play a role in the clearance and endocytosis of hemoglobin and haptoglobin complexes by macrophages.
It has been reported (Maniecki et al., 2011) that the presence of calcium impacts the binding affinity of clone GHI/61 to CD163. There is a variation in detecting CD163 positive monocytes when the cells are prepared with different anticoagulants, where heparin was observed to have the highest inhibitory effect on clone GHI/61.
The antibody was conjugated to BD Horizon BV650 which is part of the BD Horizon Brilliant Violet family of dyes. This dye is a tandem fluorochrome of BD Horizon BV421 with an Ex Max of 405-nm and an acceptor dye with an Em Max at 650-nm. BD Horizon BV650 can be excited by the violet laser and detected in a filter used to detect APC-like dyes (eg, 660/20-nm filter). Due to the excitation and emission characteristics of the acceptor dye, there will be spillover into the APC and Alexa Fluor 700 detectors. However, the spillover can be corrected through compensation as with any other dye combination.
|CD163 antigen; M130; MM130; GHI/61; D11C163A; RM3/1|
|Glycoprotein preparation from Hairy Cell Leukemia Spleen|
|Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.|
|Brilliant Violet 650|
|Aqueous buffered solution containing BSA and ≤0.09% sodium azide.|
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