Detection of CCR9 in HEK293 Human Cell Line Transfected with Rat CCR9 and eGFP by Flow Cytometry. HEK293 human embryonic kidney cell line transfected with (A) rat CCR9 or (B) irrelevant transfectants and eGFP was stained with Mouse Anti-Rat CCR9 Monoclonal Antibody (Catalog # MAB8287) followed by Allophycocyanin-conjugated Anti-Mouse IgG Secondary Antibody (Catalog # F0101B). Quadrant markers were set based on control antibody staining (Catalog # MAB0041).
Preparation and Storage
Reconstitute at 0.5 mg/mL in sterile PBS.
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below. *Small pack size (SP) is shipped with polar packs. Upon receipt, store it immediately at -20 to -70 °C
Stability & Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
12 months from date of receipt, -20 to -70 °C as supplied.
1 month, 2 to 8 °C under sterile conditions after reconstitution.
6 months, -20 to -70 °C under sterile conditions after reconstitution.
CCR9 is an approximately 42 kDa (predicted) seven transmembrane domain receptor for the chemokine CCL25/TECK. It is expressed on CD8+ T cells, monocytes, dendritic cells, and IgA+ plasma cells. It plays a role in oral and gut tolerance, the development of g/d T cells, and the thymic recruitment of hematopoietic progenitor cells. CCR9+ cells limit inflammatory cell infiltration in rheumatoid arthritis, hepatitis, colitis, and inflammatory bowel disease, but exacerbate it in atherosclerosis. In the brain, CCR9 is expressed on CA1 region pyramidal neurons in the hippocampus and is upregulated on microglia during T. gondii infection. CCR9 is also upregulated in a variety of cancers where it promotes tumor cell metastasis. Rat CCR9 shares 86% and 98% amino acid sequence identity with human and mouse CCR9, respectively.
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