Detection of DC‑LAMP in Human Mature Dendritic Cells by Flow Cytometry. |
Human mature dentritic cells differentated from human peripheral blood mononuclear cell derived CD14+ cells treated with 20 ng/mL Recombinant Human IL‑4 (Catalog # 204-IL) and 50 ng/mL Recombinant Human GM-CSF (Catalog # 215-GM) for 7 days and 1 μg/mL LPS, 20 ng/mL Recombinant Human TNF‑ alpha (Catalog # 210-TA), and 20 ng/mL Recombinant Human IL‑1 beta /IL‑1F2 (Catalog # 201-LB) for last 24 hours were stained with Goat Anti-Human DC‑LAMP Lumenal Domain Antigen Affinity‑purified Polyclonal Antibody (Catalog # AF4087, filled histogram) or isotype control (Catalog # AB-108-C, open histogram), followed by Donkey Anti-Goat IgG (H+L) Allophycocyanin (Catalog # F0108)
DC-LAMP (dendritic cell lysosome-associated membrane protein: also known as CD208 and LAMP3) is a 50‑70 kDa member of the LAMP family of proteins. Mature human DC-LAMP is a 389 amino acid (aa) type I transmembrane protein. It has a 254 aa lumenal N‑terminus and a short 14 aa cytoplasmic tail. The molecule is found in type II pneumocytes, interdigitating DC, and various tumors. DC-LAMP serves as a marker of human mature DC, and it may play a role in normal lysosome and endosome function. Over the region used as immunogen, human DC-LAMP shares 72% and 55% aa sequence identity with canine and mouse DC-LAMP, respectively.
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