|M||Endogenous||Mouse IgG2a, kappa|
Flow cytometric analysis of live mouse splenocytes using NK1.1/CD161 (PK136) Mouse mAb (PerCP-Cy5.5® Conjugate) and co-stained with CD3 (17A2) Rat mAb (APC Conjugate) #24265 (right), compared to concentration-matched Mouse Isotype Control (PerCP-Cy5.5® Conjugate) (left).Learn more about how we get our images.
NOTE: Prepare solutions with reverse osmosis deionized (RODI) or equivalent grade water.
posted June 2017
Protocol Id: 1504
For optimal flow cytometry results, we recommend 0.25 μg of antibody per test.
Supplied in 10 mM NaH2PO4, 150 mM NaCl, 0.09% NaN3, 0.1% gelatin, pH 7.2. This product is stable for 6 months when stored at 4ºC. Do not aliquot the antibody. Protect from light. Do not freeze.
NK1.1/CD161 (PK136) Mouse mAb (PerPC-Cy5.5® Conjugate) recognizes endogenous levels of total NK1.1/CD161 protein. This antibody detects an epitope within the extracellular domain.
This monoclonal antibody was purified from tissue culture supernatant via affinity chromatography. The purified antibody was conjugated under optimal conditions, with unreacted dye removed from the preparation.
This Cell Signaling Technology antibody is conjugated to PerPC-Cy5.5® and tested in-house for direct flow cytometric analysis in mouse cells.
CD161/KLRB1 (Killer cell lectin-like receptor subfamily B member 1, also known as CLEC5B and NKR-P1A) is a type II transmembrane protein that is expressed on the majority of Natural Killer (NK) cells, NK T cells, and some T lymphocytes (1). CD161/KLRB1 is also expressed on Th17 cells, promotes their generation, and modulates their function (2). Engagement with its ligand lectin-like transcript 1 (LLT1) inhibits NK cell function, while LLT1 and CD161/KLRB1 interaction in the presence of a TCR signal enhances IFN-gamma production by T cells (3,4). There are several different CD161 isoforms in rodents and some function as activating receptors as well (5,6).
There is a family of Klrb1 genes in rodents (7). PK136 antibody recognizes a specific epitope on mouse KLRB1C and is commonly used for detection of mouse NK cells in certain mouse strains (CE, B6, NZB, C58, Ma/My, ST, SJL, FVB). However, the epitope is absent in other mouse strains (BALB/c, AKR, CBA, C3H, DBA, 129) (8).
Cell Signaling Technology is a trademark of Cell Signaling Technology, Inc. Cy and CyDye are registered trademarks of GE Healthcare
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