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Clusterin / Apolipoprotein J (APO-J) Antibody [CLU/6692]

In Stock
Catalog Number Formulation Size Price
1191-MSM22-P0
Purified Ab with BSA and Azide at 200ug/ml
20ug
$229.00
1191-MSM22-P1
Purified Ab with BSA and Azide at 200ug/ml
100ug
$519.00
1191-MSM22-P1ABX
Purified Ab WITHOUT BSA and Azide at 1.0mg/ml
100ug
$519.00
Flat Rate Domestic: $60 | Orders outside the US - Contact Us for Order Information | Ships next business day

Applications & Dilutions

Applications Tested Dillution Protocol Note
Immunohistochemistry (IHC)
1-2ug/ml
30 min at RT. Staining of formalin-fixed tissues requires heating tissue sections in 10mM Tris with 1mM EDTA, pH 9.0, for 45 min at 95°C followed by cooling at RT for 20 minutes

Summary

Clusterin, also designated complement lysis inhibitor (CLI), apolipoprotein J (APOJ), sulfated glycoprotein 2 (SGP2), SP40 and testosterone-repressed prostate message 2 (TRPM2), is a secretory, heterodimeric glycoprotein that influences immune regulation, cell adhesion, transformation, lipid transportation, tissue remodeling, membrane recycling and cell-cell interactions. Clusterin is synthesized as a 449 amino acid polypeptide that is post-translationally cleaved at an internal bond between Arg 227 and Ser 228. Two subunits, α and β, are associated through disulfide bonds. The β subunit (also called ApoJα) corresponds to residues 23-227. The α subunit (also called ApoJβ) corresponds to residues 228-449. Overexpression of Clusterin appears to be more common in late stages of mammary tumor progression. Clusterin markedly influences β-Amyloid structure and neuritic toxicity in vivo and may influence Alzheimer s pathogenesis.

Product Properties & Targets

Antibody Type
Host
Mouse
Applications
Species Reactivity
Isotype / Light Chain
IgG2b / Kappa
Cellular Localization
Cytoplasm, Secreted
Gene Name
CLU
Positive Control
Human pancreas, tonsil or cervix.
Immunogen
Recombinant fragment (around aa185-287) of human NPM1 protein (exact sequence is proprietary)
Alternate Names
Clusterin | Clusterin beta chain | Clusterin alpha chain, Aging-associated gene 4 protein, Apolipoprotein J, Complement cytolysis inhibitor, Complement-associated protein SP-40, 40, Ku70-binding protein 1, NA1/NA2, Sulfated glycoprotein 2, Testosterone-repressed prostate message 2, ApoJalpha, Complement cytolysis inhibitor a chain, SP-40, 40 beta-chain, ApoJbeta, Complement cytolysis inhibitor b chain, SP-40, 40 alpha-chain, Aging associated protein 4; Apolipoprotein J; CLU1; CLU2; Clusterin alpha / beta chain; Complement associated protein SP40; Complement cytolysis inhibitor a chain; NA1/NA2; D14Ucla3; Dimeric acid glycoprotein; GP80; Ku70-binding protein 1 (KUB1); Sulfated glycoprotein 2 (SGP2), Testosterone repressed prostate message 2 (TPRM2B)

Database Links

Entrez Gene ID
SwissProt

Additional Information

Clone
CLU/6692
Chromosome Location
8p21.1
Mol. Weight of Antigen
70kDa (precursor); 36-39kDa (α); 34-36kDa (β)

Functions

  • Functions as extracellular chaperone that prevents aggregation of non native proteins (PubMed:11123922, PubMed:19535339). Prevents stress-induced aggregation of blood plasma proteins (PubMed:11123922, PubMed:12176985, PubMed:17260971, PubMed:19996109). Inhibits formation of amyloid fibrils by APP, APOC2, B2M, CALCA, CSN3, SNCA and aggregation-prone LYZ variants (in vitro) (PubMed:12047389, PubMed:17412999, PubMed:17407782). Does not require ATP (PubMed:11123922). Maintains partially unfolded proteins in a state appropriate for subsequent refolding by other chaperones, such as HSPA8/HSC70 (PubMed:11123922). Does not refold proteins by itself (PubMed:11123922). Binding to cell surface receptors triggers internalization of the chaperone-client complex and subsequent lysosomal or proteasomal degradation (PubMed:21505792). Protects cells against apoptosis and against cytolysis by complement (PubMed:2780565). Intracellular forms interact with ubiquitin and SCF (SKP1-CUL1-F-box protein) E3 ubiquitin-protein ligase complexes and promote the ubiquitination and subsequent proteasomal degradation of target proteins (PubMed:20068069). Promotes proteasomal degradation of COMMD1 and IKBKB (PubMed:20068069). Modulates NF-kappa-B transcriptional activity (PubMed:12882985). A mitochondrial form suppresses BAX-dependent release of cytochrome c into the cytoplasm and inhibit apoptosis (PubMed:16113678, PubMed:17689225). Plays a role in the regulation of cell proliferation (PubMed:19137541). An intracellular form suppresses stress-induced apoptosis by stabilizing mitochondrial membrane integrity through interaction with HSPA5 (PubMed:22689054). Secreted form does not affect caspase or BAX-mediated intrinsic apoptosis and TNF-induced NF-kappa-B-activity (PubMed:24073260). Secreted form act as an important modulator during neuronal differentiation through interaction with STMN3 (By similarity). Plays a role in the clearance of immune complexes that arise during cell injury (By similarity).
  • Does not affect caspase or BAX-mediated intrinsic apoptosis and TNF-induced NF-kappa-B-activity.
  • Does not affect caspase or BAX-mediated intrinsic apoptosis and TNF-induced NF-kappa-B-activity (PubMed:24073260). Promotes cell death through interaction with BCL2L1 that releases and activates BAX (PubMed:21567405).

Key References

  • Fu-Jun, L., et al. 2012. Oncol. Lett. 4: 1097-1103.

PubMed Links

Storage & Stability

Antibody with azide - store at 2 to 8°C. Antibody without azide - store at -20 to -80°C.Antibody is stable for 24 months. Non-hazardous. No MSDS required.

Limitations

This antibody is available for research use only and is not approved for use in diagnosis.

Supplied as

200ug/ml of Ab purified from Bioreactor Concentrate by Protein A/G. Prepared in 10mM PBS with 0.05% BSA & 0.05% azide. Also available WITHOUT BSA & azide at 1.0mg/ml.

Warranty

There are no warranties, expressed or implied, which extend beyond this description. Company is not liable for any personal injury or economic loss resulting from this product.

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