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Anti-Hu CD46 Biotin

CD46 (MCP, membrane cofactor protein) is a multifunctional cell surface transmembrane protein that binds and inactivates C3b and C4b complement fragments, regulates T cell-induced inflammatory responses by either inhibiting (CD46-1 isoform) or increasing (CD46-2 isoform) the contact hypersensitivity reaction. CD46 also serves as a receptor for several human pathogens (both bacteria and viruses), and its ligation alteres T lymphocyte polarization toward antigen-presenting cells or target cells, inhibiting lymphocyte function. CD46 is a protector of placental tissue and is also expressed on the inner acrosomal membrane of spermatozoa.

Product Specifications

Certification

RUO

Reactivity

Cow, Human

Immunogen

HPB-ALL human T cell line

Target Antigen

CD46

Clone

MEM-258

Applications

FC (QC tested), IP, WB

Concentration

1 mg/mL

Format

Biotin

Buffer

Phosphate buffered saline (PBS), pH 7.4, 15 mM sodium azide

References & Citations

*Kälin S, Amstutz B, Gastaldelli M, Wolfrum N, Boucke K, Havenga M, DiGennaro F, Liska N, Hemmi S, Greber UF: Macropinocytotic uptake and infection of human epithelial cells with species B2 adenovirus type 35. J Virol. 2010 May;84 (10) :5336-50., URL: http://www.ncbi.nlm.nih.gov/pubmed/20237079 , *Rebetz J, Na M, Su C, Holmqvist B, Edqvist A, Nyberg C, Widegren B, Salford LG, Sjögren HO, Arnberg N, Qian Q, Fan X: Fiber mediated receptor masking in non-infected bystander cells restricts adenovirus cell killing effect but promotes adenovirus host co-existence. PLoS One. 2009 Dec 29;4 (12) :e8484., URL: http://www.ncbi.nlm.nih.gov/pubmed/20041185 , *Wang H, Tuve S, Erdman DD, Lieber A: Receptor usage of a newly emergent adenovirus type 14. Virology. 2009 May 10;387 (2) :436-41., URL: http://www.ncbi.nlm.nih.gov/pubmed/19307010 , *Hoffmann D, Bayer W, Heim A, Potthoff A, Nettelbeck DM, Wildner O: Evaluation of twenty-one human adenovirus types and one infectivity-enhanced adenovirus for the treatment of malignant melanoma. J Invest Dermatol. 2008 Apr;128 (4) :988-98., URL: http://www.ncbi.nlm.nih.gov/pubmed/17960177 , *Fleischli C, Sirena D, Lesage G, Havenga MJ, Cattaneo R, Greber UF, Hemmi S: Species B adenovirus serotypes 3, 7, 11 and 35 share similar binding sites on the membrane cofactor protein CD46 receptor. J Gen Virol. 2007 Nov;88 (Pt 11) :2925-34., URL: http://www.ncbi.nlm.nih.gov/pubmed/17947513 , *Loré K, Adams WC, Havenga MJ, Precopio ML, Holterman L, Goudsmit J, Koup RA: Myeloid and plasmacytoid dendritic cells are susceptible to recombinant adenovirus vectors and stimulate polyfunctional memory T cell responses. J Immunol. 2007 Aug 1;179 (3) :1721-9., URL: http://www.ncbi.nlm.nih.gov/pubmed/17641038 , *Fremeaux-Bacchi V, Moulton EA, Kavanagh D, Dragon-Durey MA, Blouin J, Caudy A, Arzouk N, Cleper R, Francois M, Guest G, Pourrat J, Seligman R, Fridman WH, Loirat C, Atkinson JP: Genetic and functional analyses of membrane cofactor protein (CD46) mutations in atypical hemolytic uremic syndrome. J Am Soc Nephrol. 2006 Jul;17 (7) :2017-25., URL: http://www.ncbi.nlm.nih.gov/pubmed/16762990 , *Weyand NJ, Lee SW, Higashi DL, Cawley D, Yoshihara P, So M: Monoclonal antibody detection of CD46 clustering beneath Neisseria gonorrhoeae microcolonies. Infect Immun. 2006 Apr;74 (4) :2428-35., URL: http://www.ncbi.nlm.nih.gov/pubmed/16552073 , *Fleischli C, Verhaagh S, Havenga M, Sirena D, Schaffner W, Cattaneo R, Greber UF, Hemmi S: The distal short consensus repeats 1 and 2 of the membrane cofactor protein CD46 and their distance from the cell membrane determine productive entry of species B adenovirus serotype 35. J Virol. 2005 Aug;79 (15) :10013-22., URL: https://www.ncbi.nlm.nih.gov/pubmed/16014961

Other References

*Okada N, Liszewski MK, Atkinson JP, Caparon M: Membrane cofactor protein (CD46) is a keratinocyte receptor for the M protein of the group A streptococcus. Proc Natl Acad Sci U S A. 1995 Mar 28;92 (7) :2489-93., URL: https://www.ncbi.nlm.nih.gov/pubmed/7708671?ordina, *Marie JC, Astier AL, Rivailler P, Rabourdin-Combe C, Wild TF, Horvat B: Linking innate and acquired immunity: divergent role of CD46 cytoplasmic domains in T cell induced inflammation. Nat Immunol. 2002 Jul;3 (7) :659-66., URL: https://www.ncbi.nlm.nih.gov/pubmed/12055630?ordin, *Gaggar A, Shayakhmetov DM, Lieber A: CD46 is a cellular receptor for group B adenoviruses. Nat Med. 2003 Nov;9 (11) :1408-12., URL: https://www.ncbi.nlm.nih.gov/pubmed/14566335?ordin, *Liszewski MK, Kemper C, Price JD, Atkinson JP: Emerging roles and new functions of CD46. Springer Semin Immunopathol. 2005 Nov;27 (3) :345-58., URL: https://www.ncbi.nlm.nih.gov/pubmed/16200405?ordin, *Oliaro J, Pasam A, Waterhouse NJ, Browne KA, Ludford-Menting MJ, Trapani JA, Russell SM: Ligation of the cell surface receptor, CD46, alters T cell polarity and response to antigen presentation. Proc Natl Acad Sci U S A. 2006 Dec 5;103 (49) :18685-90. , URL: https://www.ncbi.nlm.nih.gov/pubmed/17116876?ordin

Storage Conditions

Store at 2-8°C. Do not freeze.

Specificity

The antibody MEM-258 recognizes an extracellular epitope on SCR4 (the membrane-proximal SCR) domain of CD46 (Membrane cofactor protein) . CD46 is 56-66 kDa dimeric transmembrane protein expressed on T and B lymphocytes, platelets, monocytes, granulocytes, endothelial cells, epithelial cells and fibroblast; it is negative on erythrocytes.

Applications Notes

Flow cytometry: Recommended dilution: 1-2 μg/ml.

Isotype

Mouse IgG1

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