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CD8a Rat anti-Mouse, V450, Clone: 53-6.7, BD

Rat Monoclonal Antibody

Marke:  BD Biosciences 560469

Weitere Details : Netto-Gewicht : 0.01000kg

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Artikelnummer. 15800229

  • 299.00 € / 1 Stück

Verfügbar ab
13-10-2020

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Beschreibung

Beschreibung

The 53-6.7 antibody has been reported to react with the 38kDa α and 34kDa α' chains of the CD8 differentiation antigen (Ly-2 or Lyt-2) of all mouse strains tested. The CD8 α and α' chains (CD8a) form heterodimers with the CD8 β chain (CD8b, Ly-3, or Lyt-3) on the surface of most thymocytes. A subpopulation of mature T lymphocytes (i.e., MHC class I-restricted T cells, including most T suppressor/cytotoxic cells) expresses almost exclusively the CD8 αβ heterodimer (the α' chain is absent). Subsets of γδ TCR-bearing T cells, intestinal intrapithelial lymphocytes, and dendritic cells express CD8a without CD8b. It has been suggested that the expression of the CD8a/CD8b heterodimer is restricted to T lymphocytes which matured in the thymus or in an extrathymic environment that had been influenced by thymus-initiated neuroendocrine signals. CD8 is an antigen coreceptor on the T-cell surface which interacts with MHC class I molecules on antigen-presenting
cells or epithelial cells. It participates in T-cell activation through its association with the T-cell receptor complex and protein tyrosine kinase lck (p56 (lck)). The CD8 α and α' chains arise from alternatively spliced messengers of a single CD8a gene. The longer α form associates with p56 (lck) via a CXCP motif in its cytoplasmic domain, which it shares with CD4, but not with CD8b. The truncated α' chain is unable to associate with p56 (lck), and it may function to attenuate the CD8-mediated costimulatory signal during intrathymic T-cell maturation. In vivo and in vitro treatment with 53-6.7 mAb has reportedly been effective at depleting CD8+ peripheral T lymphocytes. The 53-6.7 antibody has also been reported to cross-reaact with CD8 α- and α'-like polypeptides on subsets of thymic and peripheral lymphocytes in the Egyptian toad, Bufo regularis. The antibody is conjugated to BD Horizon™ V450, which has been developed for use in multicolor flow cytometry experiments and is
available exclusively from BD Biosciences. It is excited by the Violet laser Ex max of 406nm and has an Em Max at 450nm. Conjugates with BD Horizon™ V450 can be used in place of Pacific Blue™ conjugates.

Host Species: Rat
Clone: 53-6.7
Isotype: IgG2a κ
Species Reactivity: Mouse
Immunogen: Mouse thymus / spleen Cells

Flow Cytometry

Spezifikation

Spezifikation

CD8a
53-6.7
V450
Aqueous buffered solution containing protein stabilizer and ≤0.09% sodium azide.
Rat
IgG2a, κ
RUO
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
Monoclonal
Flow Cytometry
0.2mg/mL
Cd8a; CD8 alpha chain; Ly-2; Lyt2; Lyt-2; Ly-35; Ly-B
Affinity Purified
Mouse thymus / spleen Cells
0.1mg
Immunology
Primary
Murine
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Dokumentation

For Research Use Only.