CD206, also known as macrophage mannose receptor type C (MMR or MRC1), is a type I membrane receptor protein. It is an phagocytic and endocytic receptor that can recognize carbohydrate ligands in target molecules. The extracellular portion of the protein includes eight C-type carbohydrate recognition domains (CRD) which are clustered together to achieve higher affinity binding to saccharides. CD206 is found on macrophages and on endothelial cells of the liver and is the only known example of a C-type lectin that contains multiple C-type CRDs. CD206 mediates the endocytosis of glycoproteins by macrophages and binds high-mannose structures on the surface of potentially pathogenic viruses, fungi and bacteria enabling them to be neutralized by phagocytic engulfment. During inflammation, CD206 is crucial for rapid clearance of several mannose-bearing serum glycoproteins but does not regulate the initiation of inflammation. CD206 is primarily expressed in mature tissue macrophages and immature dendritic cells, as well as hepatic and lymphatic endothelial cells, retinal pigmental epithelium (RPE) and mesangial cells.
Background References
1. Ray A et al. Targeting CD206+ macrophages disrupts the establishment of a key antitumor immune axis. J Exp Med. 2025 Jan
2. Pommerolle L et al. CD206(+) macrophages are relevant non-invasive imaging biomarkers and therapeutic targets in experimental lung fibrosis. Thorax. 2024 Nov
Western blot analysis of Mannose Receptor(CD206) on different lysates with Rabbit anti-Mannose Receptor(CD206) antibody (HA724408) at 1/5,000 dilution.
Lane 1: THP-1 (Human acute monoblastic leukemia cells) cell lysate Lane 2: THP-1 treated with 20ng/ml PMA for 24 hours then treated with 20ng/ml IL-4 for 48 hours cell lysate
Lysates/proteins at 15 µg/Lane. Exposure time: 20 seconds; ECL: K1801
Blocking: 5% NFDM/TBST, 1 hour at room temperature Primary antibody: HA724408, 1/5,000 in primary antibody dilution buffer (K1803), overnight at 4 ℃ Secondary antibody: Goat anti-Rabbit IgG-HRP (HA1001), 1/50,000 in 5% NFDM/TBST, 1 hour at room temperature
Predicted band size: 166 kDa Observed band size: 250 kDa
Application: Immunohistochemistry (IHC-P)
Species: Human
Tissue: Colon
Sample: Paraffin-embedded section
Wash buffer: 1× TBST Blocking: 10% normal goat serum + 1% Triton X-100 + 0.3 M Glycine in TBST, 30 minutes at room temperature. Primary antibody: HA724408, 1/1,000, overnight at 4℃. Secondary antibody: Goat Anti-Rabbit IgG (iFluor™ 488, HA1121), 1.5 hours at room temperature.
☑ Cell treatment (CT)
Immunoprecipitation (IP)
Mannose Receptor(CD206) was immunoprecipitated in 0.2 mg THP-1 (Human acute monoblastic leukemia cell) treated with 20ng/mL TPA for 24 hours then treated with 20ng/mL IL-4 for 48 hours cell lysate with HA724408 at 2 µg/10 µl beads. Western blot was performed from the immunoprecipitate using HA724408 at 1/5,000 dilution. Anti-Rabbit IgG for IP, AlpSdAbs® VHH(HRP) (025-100-005) at 1/5,000 dilution was used for 1 hour at room temperature.
Lane 1: THP-1 treated with 20ng/mL TPA for 24 hours then treated with 20ng/mL IL-4 for 48 hours cell lysate Lane 2: HA724408 IP in THP-1 treated with 20ng/mL TPA for 24 hours then treated with 20ng/mL IL-4 for 48 hours cell lysate Lane 3: Rabbit IgG instead of HA724408 in THP-1 treated with 20ng/mL TPA for 24 hours then treated with 20ng/mL IL-4 for 48 hours cell lysate
Exposure time: 3 minutes Blocking: 5% NFDM/TBST, 1 hour at room temperature
Primary dilution: HA724408, 1/5,000 in primary antibody dilution buffer (K1803), 2 hours at room temperature
Predicted band size: 166 kDa Observed band size: 250 kDa
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