Mouse Clusterin Biotinylated Antibody Summary
Glu22-Glu448
Accession # Q06890
Applications
Mouse Clusterin Sandwich Immunoassay
Please Note: Optimal dilutions should be determined by each laboratory for each application. General Protocols are available in the Technical Information section on our website.
Preparation and Storage
- 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.
Background: Clusterin
Clusterin, also known as Apolipoprotein J, Sulfated Glycoprotein 2 (SGP-2), TRPM-2, and SP-40,40, is a secreted multifunctional protein that was named for its ability to induce cellular clustering. It binds a wide range of molecules and may function as a chaperone of misfolded extracellular proteins. It also participates in the control of cell proliferation, apoptosis, and carcinogenesis (1, 2). Clusterin is predominantly expressed in adult testis, ovary, adrenal gland, liver, heart, and brain and in many epithelial tissues during embryonic development (3). Mouse Clusterin is synthesized as a precursor that contains two coiled coil domains, two nuclear localization signals (NLS), and one heparin binding domain (3-6). Intracellular cleavages of the precursor remove the signal peptide and generate comparably sized alpha and beta chains which are secreted as an 80 kDa N-glycosylated disulfide-linked heterodimer (7, 8). Mature mouse Clusterin shares 77% and 93% amino acid sequence identity with human and rat Clusterin, respectively. High μg/mL concentrations of Clusterin circulate predominantly as a component of high density lipoprotein particles, and these are internalized and degraded through interactions with LRP-2/Megalin (9, 10). In human, an alternately spliced 50 kDa isoform of Clusterin (nCLU) lacks the signal peptide and remains intracellular (5, 11). This molecule is neither glycosylated nor cleaved into alpha and beta chains (11). In the cytoplasm, nCLU destabilizes the actin cytoskeleton and inhibits NF kappa B activation (12, 13). Cellular exposure to ionizing radiation promotes the translocation of nCLU to the nucleus where it interacts with Ku70 and promotes apoptosis (5, 11). This function contrasts with the cytoprotective effect of secreted Clusterin (14). During colon cancer tumor progression there is a downregulation of the intracellular form and an upregulation of the glycosylated secreted form (11).
- Carver, J.A. et al. (2003) IUBMB Life 55:661.
- Shannan, B. et al. (2006) Cell Death Differ. 13:12.
- French, L.E. et al. (1993) J. Cell Biol. 122:1119.
- Lee, K.H. et al. (1993) Biochem. Biophys. Res. Commun. 194:1175.
- Leskov, K.S. et al. (2003) J. Biol. Chem. 278:11590.
- Pankhurst, G.J. et al. (1998) Biochemistry 37:4823.
- Burkey, B.F. et al. (1991) J. Lipid. Res. 32:1039.
- de Silva, H.V. et al. (1990) J. Biol. Chem. 265:14292.
- Jenne, D.E. et al. (1991) J. Biol. Chem. 266:11030.
- Kounnas, M.Z. et al. (1995) J. Biol. Chem. 270:13070.
- Pucci, S. et al. (2004) Oncogene 23:2298.
- Moretti, R. M. et al. (2007) Cancer Res. 67:10325.
- Santilli, G. et al. (2003) J. Biol. Chem. 278:38214.
- Trougakos, I.P. et al. (2004) Cancer Res. 64:1834.
Product Datasheets
Citation for Mouse Clusterin Biotinylated Antibody
R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.
1 Citation: Showing 1 - 1
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Urinary clusterin, cystatin C, beta2-microglobulin and total protein as markers to detect drug-induced kidney injury.
Authors: Dieterle F, Perentes E, Cordier A, Roth DR, Verdes P, Grenet O, Pantano S, Moulin P, Wahl D, Mahl A, End P, Staedtler F, Legay F, Carl K, Laurie D, Chibout SD, Vonderscher J, Maurer G
Nat. Biotechnol., 2010-05-01;28(5):463-9.
Species: Human
Sample Types: Urine
Applications: ELISA Development
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