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CD127 Rat anti-Mouse, Brilliant Violet 786, Clone: SB/199, BD

Rat Monoclonal Antibody

Manufacturer:  BD Biosciences 563748

Catalog No. BDB563748

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The SB/199 monoclonal antibody specifically binds to mouse CD127, the 65-75 kDa type-I transmembrane protein IL-7R α . The high affinity IL-7 receptor complex is composed of at least two transmembrane proteins, IL-7R α and CD132, the common γchain. CD127 has some sequence homology to the cytokine receptor superfamily (also known as the hematopoietin receptor superfamily). Mice lacking CD127 display profoundly impaired development of the B and T lymphoid cell lineages, but display no obvious non-lymphoid abnormalities. IL-7R α is expressed on common lymphoid progenitors and early stages of B lineage development in the bone marrow, on the earliest thymocyte progenitors, on CD4-CD8- double-negative and CD4+ and CD8+ single-positive thymocytes, and on most peripheral T lymphocytes. Intestinal intraepithelial lymphocytes with low-density γδ TCR upregulate CD127 expression in response to IL-2, which may be secreted by neighboring αβ TCR-bearing T cells.

The antibody was conjugated to BD Horizon™ BV786 which is part of the BD Horizon Brilliant™ Violet family of dyes. This dye is a tandem fluorochrome of BD Horizon BV421 with an Ex Max of 405-nm and an acceptor dye with an Em Max at 786-nm. BD Horizon BV786 can be excited by the violet laser and detected in a filter used to detect Cy™7-like dyes (eg, 780/60-nm filter).



Brilliant Violet 786
Aqueous buffered solution containing BSA and ≤0.09% sodium azide.
IgG2b, κ
Flow Cytometry
Interleukin-7 receptor alpha chain; IL-7R alpha; IL-7RA; IL-7Rα; Il7r
Affinity Purified
BALB/c mouse pre-B cell line 1A9
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
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