Product Pathways - Lymphocyte Signaling
CD44 (156-3C11) Mouse mAb #3570
|3570S||100 µl (10 western blots)||---||In Stock||---|
|3570||carrier free and custom formulation / quantity||email request|
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Species cross-reactivity is determined by western blot.
Applications Key: W=Western Blotting, IP=Immunoprecipitation, IHC-P=Immunohistochemistry (Paraffin), IF-IC=Immunofluorescence (Immunocytochemistry), F=Flow Cytometry
Specificity / Sensitivity
CD44 (156-3C11) Mouse mAb detects endogenous levels of total CD44 protein.
Source / Purification
Monoclonal antibody is produced by immunizing BALB/c mice with stimulated human leukocytes and recognizes residues surrounding Ser210 of human CD44
Western blot analysis of extracts from HeLa and PANC1 cell lines using CD44 (156-3C11) Mouse mAb.
Immunohistochemical analysis of human Non-Hodgkin's lymphoma using CD44 (156-3C11) Mouse mAb.
Flow cytometric analysis of Hela cells using CD44 (156-3C11) Mouse mAb (blue) compared to a nonspecific negative control antibody (red).
Confocal immunofluorescent analysis of Hela cells using CD44 (156-3C11) Mouse mAb (green). Actin filaments have been labeled with Alexa Fluor® 555 phalloidin (red). Blue pseudocolor = DRAQ5® #4084 (fluorescent DNA dye).
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.
- Gilbert, C.M. and Parwani, A. (2010) J Pathol Inform 1, 23. Applications: IHC-P (paraffin).
- Golubkov, V.S. et al. (2010) J Biol Chem 285, 35740-9. Applications: Western Blotting.
- Zaytseva, Y.Y. et al. (2012) Cancer Res 72, 1504-17. Applications: Western Blotting.
- Zhu, X. et al. (2013) Cancer Res 73, 1142-55. Applications: Western Blotting, IF-IC (In Cells).
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For Research Use Only. Not For Use In Diagnostic Procedures.
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