CD44 (IM7) Rat mAb (APC Conjugate) #80813
Filter:
- F
Supporting Data
| REACTIVITY | H M |
| SENSITIVITY | Endogenous |
| MW (kDa) | |
| Source/Isotype | Rat IgG2b kappa |
Application Key:
- F-Flow Cytometry
Species Cross-Reactivity Key:
- H-Human
- M-Mouse
Product Information
Product Description
This Cell Signaling Technology antibody is conjugated to APC and tested in-house for direct flow cytometric analysis in human and mouse cells.
Product Usage Information
For optimal flow cytometry results, we recommend 0.125μg of antibody per test.
| Application | Dilution |
|---|---|
| Flow Cytometry (Fixed/Permeabilized) | 1:160 |
| Flow Cytometry (Live) | 1:160 |
Storage
Supplied in 10 mM NaH2PO4, 150 mM NaCl, 0.09% NaN3, 0.1% gelatin, pH 7.2. This product is stable for 12 months when stored at 4ºC. Do not aliquot the antibody. Protect from light. Do not freeze.
Protocol
Specificity / Sensitivity
CD44 (IM7) Rat mAb (APC Conjugate) recognizes endogenous levels of total CD44 protein. This antibody detects an epitope within the extracellular domain and is expected to detect all isoforms of CD44.
Species Reactivity:
Human, Mouse
Source / Purification
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.
Background
CD44 is a type I transmembrane glycoprotein that mediates cell-cell and cell-matrix interaction through its affinity for hyaluronic acid (HA) and possibly through other parts of the extracellular matrix (ECM). CD44 is highly polymorphic, possesses a number of alternative splice variants and undergoes extensive post-translational modifications (1,2). Increased surface levels of CD44 are characteristic of T cell activation, and expression of the protein is upregulated during the inflammatory response. Research studies have shown that interactions between CD44 and HER2 are linked to an increase in ovarian carcinoma cell growth (1-3). CD44 interacts with ezrin, radixin, and moesin (ERM), linking the actin cytoskeleton to the plasma membrane and the ECM (4-6). CD44 is constitutively phosphorylated at Ser325 in resting cells. Activation of PKC results in phosphorylation of Ser291, dephosphorylation of Ser325, disassociation of ezrin from CD44, and directional motility (4).
- Goodison, S. et al. (1999) Mol. Pathol. 52, 189-196.
- Cichy, J. and Puré, E. (2003) J. Cell Biol. 161, 839-843.
- Bourguignon, L.Y. et al. (1997) J. Biol. Chem. 272, 27913-27918.
- Legg, J.W. et al. (2002) Nat. Cell Biol. 4, 399-407.
- Yonemura, S. et al. (1998) J. Cell Biol. 140, 885-895.
- Tsukita, S. et al. (1994) J. Cell Biol. 126, 391-401.
限制使用
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For Research Use Only. Not For Use In Diagnostic Procedures.
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