The mannose receptor (Cluster of Differentiation 206, CD206) is a C-type lectin primarily present on the surface of macrophages, immature dendritic cells and liver sinusoidal endothelial cells, but is also expressed on the surface of skin cells such as human dermal fibroblasts and keratinocytes. It is the first member of a family of endocytic receptors that includes Endo180 (CD280), M-type PLA2R, and DEC-205 (CD205). The receptor recognises terminal mannose, N-acetylglucosamine and fucose residues on glycans attached to proteins found on the surface of some microorganisms, playing a role in both the innate and adaptive immune systems. Additional functions include clearance of glycoproteins from circulation, including sulphated glycoprotein hormones and glycoproteins released in response to pathological events. The mannose receptor recycles continuously between the plasma membrane and endosomal compartments in a clathrin-dependent manner.
Background References
1. Li L et al. MRC2 Promotes Proliferation and Inhibits Apoptosis of Diabetic Nephropathy. Anal Cell Pathol (Amst). 2021 Apr
2. Evans RJ et al. Endo180 (MRC2) Antibody-Drug Conjugate for the Treatment of Sarcoma. Mol Cancer Ther. 2023 Feb
Western blot analysis of MRC2 on different lysates with Rabbit anti-MRC2 antibody (HA722429) at 1/1,000 dilution.
Lane 1: HEK-293 cell lysate Lane 2: HEK-293 cell lysate treated with deglycosylation Lane 3: Saos-2 cell lysate
Lysates/proteins at 20 µg/Lane.
Predicted band size: 167 kDa Observed band size: 167-250 kDa
Exposure time: Lane 1-2: 3 minutes; Lane 3: 4 seconds; ECL: K1802;
4-20% SDS-PAGE gel.
Proteins were transferred to a PVDF membrane and blocked with 5% NFDM/TBST for 1 hour at room temperature. The primary antibody (HA722429) at 1/1,000 dilution was used in 5% NFDM/TBST at 4℃ overnight. Goat Anti-Rabbit IgG - HRP Secondary Antibody (HA1001) at 1/50,000 dilution was used for 1 hour at room temperature.
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