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Exbio
—
Research products
—
Antibodies
—
CD and related antigens
—
Anti-Hu CD8 Alexa Fluor<sup>®</sup> 700
Anti-Hu CD8 Alexa Fluor
®
700
Regulatory status
RUO
Antigen
CD8
Clone
MEM-31
Format
Alexa Fluor
®
700
Reactivity
Human
Application
FC (QC tested)
Excitation laser
red (633 nm)
Variant
100 tests
A7-207-T100
In stock
242.00 USD
25 tests
A7-207-T025
Delivery 1 week
121.00 USD
Variant
100 tests
A7-207-T100
In stock
242.00 USD
25 tests
A7-207-T025
Delivery 1 week
121.00 USD
Contact distributor
Product details
Description
Images
References
SDS download
Isotype
Mouse IgG2a
Specificity
The antibody MEM-31 recognizes a conformationally-dependent extracellular epitope of CD8, a cell surface glycoprotein found on most cytotoxic T lymphocytes that mediates efficient cell-cell interactions within the immune system. CD8 is a disulfide-linked dimer and exists as a CD8 alpha/alpha homodimer or CD8 alpha/beta heterodimer (each monomer approx. 32-34 kDa). The antibody does not react with formaldehyde-fixed cells; negative in Western blotting application.
Workshop
HLDA III: WS Code T 575
Application
FC (QC tested)
Application details
Flow cytometry: The reagent is designed for analysis of human blood cells using 4 μl reagent / 100 μl of whole blood or 10
6
cells in a suspension. The content of a vial (0.4 ml) is sufficient for 100 tests.
Reactivity
Human
Immunogen
Crude thymus membrane fraction.
Preparation
Purified antibody is conjugated with Alexa Fluor
®
700 NHS ester under optimum conditions and unconjugated antibody and free fluorochrome are removed by size-exclusion chromatography.
Formulation
Stabilizing phosphate buffered saline (PBS), pH 7.4, 15 mM sodium azide
Storage and handling
Store at 2-8°C. Protect from prolonged exposure to light. Do not freeze.
Exbio licence note
The product is intended For Research Use Only. Diagnostic or therapeutic applications are strictly forbidden. Products shall not be used for resale or transfer to third parties either as a stand-alone product or as a manufacture component of another product without written consent of EXBIO Praha, a.s. EXBIO Praha, a.s. will not be held responsible for patent infringement or any other violations of intellectual property rights that may occur with the use of the products. Orders for all products are accepted subject to the Term and Conditions available at www.exbio.cz. EXBIO, EXBIO Logo, and all other trademarks are property of EXBIO Praha, a.s.
Licence note
Alexa Fluor
®
, Pacific Blue™ and Pacific Orange™ are registered trademarks of Life Technologies Corporation.
Licence label
This product is provided under an intellectual property license from Life Technologies Corporation. The transfer of this product is conditioned on the buyer using the purchased product solely in research conducted by the buyer, excluding contract research or any fee for service research, and the buyer must not (1) use this product or its components for (a) diagnostic, therapeutic or prophylactic purposes; (b) testing, analysis or screening services, or information in return for compensation on a per-test basis; or (c) manufacturing or quality assurance or quality control, and/or (2) sell or transfer this product or its components for resale, whether or not resold for use in research. For information on purchasing a license to this product for purposes other than as described above, contact Life Technologies Corporation, 5781 Van Allen Way, Carlsbad, CA 92008 USA or outlicensing@lifetech.com.
Other names
p32, LEU2
Antigen description
The CD8 T cell coreceptor (monomer approx. 32-34 kDa) is expressed as alpha/beta heterodimer on majority of MHC I-restricted conventional T cells and thymocytes and as alpha/alpha homodimer on subsets of memory T cells, intraepithelial lymphocytes, NK cells and dendritic cells. Regulation of CD8 beta level on T cell surface seems to be an important mechanism to control their effector function. Assembly of CD8 alpha-beta but not alpha-alpha dimers is connected with formation or localization to the lipid rafts. Recruiting triggered TCR complexes to these membrane microdomains as well as affinity of TCR to MHC I is modulated by CD8, thereby affecting the functional diversity of the TCR signaling.
Flow cytometry surface staining pattern of human peripheral whole blood stained using anti-human CD8 (MEM-31) Alexa Fluor® 700 antibody (4 μl reagent / 100 μl of peripheral whole blood).
Separation of human CD8 positive lymphocytes (red-filled) from neutrophil granulocytes (black-dashed) in flow cytometry analysis (surface staining) of human peripheral whole blood stained using anti-human CD8 (MEM-31) Alexa Fluor® 700 antibody (4 μl reagent / 100 μl of peripheral whole blood).
General references:
Devine L, Thakral D, Nag S, Dobbins J, Hodsdon ME, Kavathas PB: Mapping the binding site on CD8 beta for MHC class I reveals mutants with enhanced binding. J Immunol. 2006 Sep 15;177(6):3930-8.
PubMed
Pang DJ, Hayday AC, Bijlmakers MJ: CD8 Raft localization is induced by its assembly into CD8alpha beta heterodimers, not CD8alpha alpha homodimers. J Biol Chem. 2007 May 4;282(18):13884-94.
PubMed
van den Berg HA, Wooldridge L, Laugel B, Sewell AK: Coreceptor CD8-driven modulation of T cell antigen receptor specificity. J Theor Biol. 2007 Nov 21;249(2):395-408.
PubMed
Product specific references:
Kanderova V, Kuzilkova D, Stuchly J, Vaskova M, Brdicka T, Fiser K, Hrusak O, Lund-Johansen F, Kalina T: High-resolution Antibody Array Analysis of Childhood Acute Leukemia Cells. Mol Cell Proteomics. 2016 Apr;15(4):1246-61.
PubMed
Linnebacher M, Wienck A, Boeck I, Klar E: Identification of an MSI-H tumor-specific cytotoxic T cell epitope generated by the (-1) frame of U79260(FTO). J Biomed Biotechnol. 2010;2010:841451.
PubMed
Estefanía E, Flores R, Gómez-Lozano N, Aguilar H, López-Botet M, Vilches C: Human KIR2DL5 is an inhibitory receptor expressed on the surface of NK and T lymphocyte subsets. J Immunol. 2007 Apr 1;178(7):4402-10.
PubMed
Drbal K, Moertelmaier M, Holzhauser C, Muhammad A, Fuertbauer E, Howorka S, Hinterberger M, Stockinger H, Schütz GJ: Single-molecule microscopy reveals heterogeneous dynamics of lipid raft components upon TCR engagement. Int Immunol. 2007 May;19(5):675-84.
PubMed
Brdicková N, Brdicka T, Angelisová P, Horváth O, Spicka J, Hilgert I, Paces J, Simeoni L, Kliche S, Merten C, Schraven B, Horejsí V: LIME: a new membrane Raft-associated adaptor protein involved in CD4 and CD8 coreceptor signaling. J Exp Med. 2003 Nov 17;198(10):1453-62.
PubMed
Horejsí V, Angelisová P, Bazil V, Kristofová H, Stoyanov S, Stefanová I, Hausner P, Vosecký M, Hilgert I: Monoclonal antibodies against human leucocyte antigens. II. Antibodies against CD45 (T200), CD3 (T3), CD43, CD10 (CALLA), transferrin receptor (T9), a novel broadly expressed 18-kDa antigen (MEM-43) and a novel antigen of restricted expression (MEM-74). Folia Biol (Praha). 1988;34(1):23-34.
PubMed
Leukocyte Typing III., McMichael A. J. et al (Eds.), Oxford University Press (1987).
Horejsi V et al.: Monoclonal antibodies against human leucocyte antigens. I. Antibodies against beta-2-microglobulin, immunoglobulin kappa light chains, HLA-DR-like antigens, T8 antigen, T1 antigen, a monocyte antigen, and a pan-leucocyte antigen. Folia Biol. (Praha) 32, 12 (1986).
Further SDS language mutations available for download below. Please contact us with request for additional languages on info@exbio.cz
MPAbNaN3_SDS_v1_AU.pdf
MPAbNaN3_SDS_v1_GB.pdf
MPAbNaN3_SDS_v1_TR.pdf
MPAbNaN3_SDS_v6_AT.pdf
MPAbNaN3_SDS_v6_CH.pdf
MPAbNaN3_SDS_v6_CS.pdf
MPAbNaN3_SDS_v6_EN.pdf
MPAbNaN3_SDS_v6_ES.pdf
MPAbNaN3_SDS_v6_FR.pdf
MPAbNaN3_SDS_v6_IT.pdf
MPAbNaN3_SDS_v6_NO.pdf
MPAbNaN3_SDS_v6_PL.pdf
MPAbNaN3_SDS_v6_PT.pdf
MPAbNaN3_SDS_v6_SE.pdf
MPAbNaN3_SDS_v6_SK.pdf
MPAbNaN3_SDS_v6_SL.pdf
MPAbNaN3_SDS_v7_DE.pdf
Variant
100 tests
A7-207-T100
In stock
242.00 USD
25 tests
A7-207-T025
Delivery 1 week
121.00 USD
Variant
100 tests
A7-207-T100
In stock
242.00 USD
25 tests
A7-207-T025
Delivery 1 week
121.00 USD
Contact distributor
Datasheet download
Bulk requests
Technical support for this product
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