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Dab2 Antibody

Rabbit Monoclonal Antibody

  • WB - Dab2 Antibody AJ1232a
    A. Western blot analysis on human pancreas tissue lysates using anti-Dab2 RabMAb (Cat. #AJ1232a), 1:2000 dilution.
Product Information
  • Applications Legend:
  • WB=Western Blot
  • IHC=Immunohistochemistry
  • IHC-P=Immunohistochemistry (Paraffin-embedded Sections)
  • IHC-F=Immunohistochemistry (Frozen Sections)
  • IF=Immunofluorescence
  • FC=Flow Cytopmetry
  • IC=Immunochemistry
  • ICC=Immunocytochemistry
  • IP=Immunoprecipitation
  • DB=Dot Blot
  • CHIP=Chromatin Immunoprecipitation
  • FA=Fluorescence Assay
  • IEM=Immunoelectronmicroscopy
  • EIA=Enzyme Immunoassay
Primary Accession P98082
Reactivity Human
Host Rabbit
Clonality Monoclonal
Clone Names EP2297Y
Calculated MW 82448 Da
Gene ID 1601
Other Names Disabled homolog 2, DOC-2, Differentially-expressed protein 2, DAB2, DOC2
Target/Specificity A synthetic peptide corresponding to residues near the C-terminus of human Dab2 was used as an immunogen.
Dilution WB~~1:1000
Format 50 mM Tris-Glycine (pH 7.4), 0.15 M NaCl, 40% Glycerol, 0.01% sodium azide and 0.05% BSA.
StorageMaintain refrigerated at 2-8°C for up to 6 months. For long term storage store at -20°C in small aliquots to prevent freeze-thaw cycles.
PrecautionsDab2 Antibody is for research use only and not for use in diagnostic or therapeutic procedures.
Protein Information
Name DAB2
Synonyms DOC2
Function Adapter protein that functions as clathrin-associated sorting protein (CLASP) required for clathrin-mediated endocytosis of selected cargo proteins. Can bind and assemble clathrin, and binds simultaneously to phosphatidylinositol 4,5-bisphosphate (PtdIns(4,5)P2) and cargos containg non-phosphorylated NPXY internalization motifs, such as the LDL receptor, to recruit them to clathrin-coated pits. Can function in clathrin-mediated endocytosis independently of the AP-2 complex. Involved in endocytosis of integrin beta-1; this function seems to redundant with the AP-2 complex and seems to require DAB2 binding to endocytosis accessory EH domain-containing proteins such as EPS15, EPS15L1 and ITSN1. Involved in endocytosis of cystic fibrosis transmembrane conductance regulator/CFTR. Involved in endocytosis of megalin/LRP2 lipoprotein receptor during embryonal development. Required for recycling of the TGF-beta receptor. Involved in CFTR trafficking to the late endosome. Involved in several receptor- mediated signaling pathways. Involved in TGF-beta receptor signaling and facilitates phosphorylation of the signal transducer SMAD2. Mediates TFG-beta-stimulated JNK activation. May inhibit the canoniocal Wnt/beta-catenin signaling pathway by stabilizing the beta-catenin destruction complex through a competing association with axin preventing its dephosphorylation through protein phosphatase 1 (PP1). Sequesters LRP6 towards clathrin- mediated endocytosis, leading to inhibition of Wnt/beta-catenin signaling. May activate non-canonical Wnt signaling. In cell surface growth factor/Ras signaling pathways proposed to inhibit ERK activation by interrupting the binding of GRB2 to SOS1 and to inhibit SRC by preventing its activating phosphorylation at 'Tyr- 419'. Proposed to be involved in modulation of androgen receptor (AR) signaling mediated by SRC activation; seems to compete with AR for interaction with SRC. Plays a role in the CSF-1 signal transduction pathway. Plays a role in cellular differentiation. Involved in cell positioning and formation of visceral endoderm (VE) during embryogenesis and proposed to be required in the VE to respond to Nodal signaling coming from the epiblast. Required for the epithelial to mesenchymal transition, a process necessary for proper embryonic development. May be involved in myeloid cell differentiation and can induce macrophage adhesion and spreading. May act as a tumor suppressor.
Cellular Location Cytoplasm. Cytoplasmic vesicle, clathrin- coated vesicle membrane. Membrane, clathrin-coated pit Note=Colocalizes with large insert-containing isoforms of MYO6 at clathrin-coated pits/vesicles. During mitosis is progressively displaced from the membrane and translocated to the cytoplasm
Tissue Location Expressed in deep invaginations, inclusion cysts and the surface epithelial cells of the ovary. Also expressed in breast epithelial cells, spleen, thymus, prostate, testis, macrophages, fibroblasts, lung epithelial cells, placenta, brain stem, heart and small intestine. Expressed in kidney proximal tubular epithelial cells (at protein level)
Research Areas
Citations (0)

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Dab2 (Disabled homolog 2, Diabled-2) is a mammalian structural homolog of Drosophila Disabled protein and a mitogen-responsive phosphoprotein (1). As a component of the CSF1 signal transduction pathway, Dab2 is normally expressed in ovarian epithelia cells. However, in ovarian carcinoma, Dab2 expression is either lost or down-regulated. Therefore, Dab2 is speculated to be a negative regulator of growth and its down-regulation considered to play critical role in ovarian carcinogenesis (2).


1. Morris SM., et al. EMBO J. 21:1555
2. Sheng Z., et al. Oncogene 19:4847
3. Mok SC., et al. Gynecol. Oncol. 52:247

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Cat# AJ1232a
(40 western blots)
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