Description
The 13E11 monoclonal antibody specifically binds to CC chemokine receptor-like 1 (CCRL1) that is also known as C-C chemokine receptor type 11 (C-C CKR-11), or ChemoCentryx chemokine receptor (CCX-CKR). CCRL1 is a seven-transmembrane glycoprotein receptor that is encoded by ACKR4 (Atypical chemokine receptor 4) which belongs to the atypical chemokine receptor subfamily within the chemokine receptor superfamily. CCRL1 is expressed on stromal cells of lymph nodes, dermal lymphatic endothelial cells, and thymic epithelial cells. CCRL1 binds to several "homeostatic" chemokines including CCL19 (ELC), CCL21 (SLC), CCL25 (TECK) and CXCL13 (BLC) that can otherwise bind to functional chemokine receptors like CCR7, CCR9 or CXCR5. CCRL1 can thus serve as a decoy receptor that allows cellular uptake and degradation of these chemokines in a G protein-independent manner. This receptor may shape chemokine gradients in tissues by scavenging chemokines and thereby regulate the chemotaxis of thymic precursor cells, various leucocytes, including lymphocytes and dendritic cells, and cancer cells. CCRL1 expression is upregulated on some breast and hepatic cancer cell lines. The 13E11 antibody reportedly has ligand-like activity that results in the cellular internalization of CCRL1. This antibody recognizes an epitope in the N-terminus of the first extracellular domain of CCRL1.
BD® CompBeads can be used as surrogates to assess fluorescence spillover (compensation). When fluorochrome conjugated antibodies are bound to BD® CompBeads, they have spectral properties very similar to cells. However, for some fluorochromes there can be small differences in spectral emissions compared to cells, resulting in spillover values that differ when compared to biological controls. It is strongly recommended that when using a reagent for the first time, users compare the spillover on cells and BD® CompBeads to ensure that BD® CompBeads are appropriate for your specific cellular application. For optimal and reproducible results, BD Horizon Brilliant Stain Buffer should be used anytime BD Horizon Brilliant dyes are used in a multicolor flow cytometry panel. Fluorescent dye interactions may cause staining artifacts which may affect data interpretation. The BD Horizon Brilliant Stain Buffer was designed to minimize these interactions. When BD Horizon Brilliant Stain Buffer is used in in the multicolor panel, it should also be used in the corresponding compensation controls for all dyes to achieve the most accurate compensation. For the most accurate compensation, compensation controls created with either cells or beads should be exposed to BD Horizon Brilliant Stain Buffer for the same length of time as the corresponding multicolor panel. More information can be found in the Technical Data Sheet of the BD Horizon Brilliant Stain Buffer (Cat. No. 563794/566349) or the BD Horizon Brilliant Stain Buffer Plus (Cat. No. 566385).
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze. The monoclonal antibody was purified from tissue culture supernatant or ascites by affinity chromatography. The antibody was conjugated to the dye under optimum conditions that minimize unconjugated dye and antibody.
