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CD252 Rat anti-Mouse, BB515, Clone: RM134L, BD

Rat Monoclonal Antibody

Manufacturer:  BD Biosciences 565214

Catalog No. BDB565214


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Description

Description

The RM134L antibody reacts with CD252 (OX-40 Ligand, OX-40L), a member of the NGF/TNF superfamily which is present on antigen-presenting cells and activated B lymphocytes. OX-40L interacts with OX-40 Antigen (CD134) found predominantly on activated T cells. This ligand-receptor pair is grouped with pairs such as CD40-CD40L and CD80- or CD86-CD28, which contribute significantly to B-cell/T-cell interaction during the immune response. The OX-40L-OX-40 interaction is reciprocally costimulatory in that both T cells and B cells are activated in cross-linking. Stimulation via OX-40 Antigen increases the proliferative and IL-2 production responses of activated T cells, while stimulation via OX-40L enhances proliferation and Ig secretion by activated B cells. The RM134L mAb stains B cells activated for four days with anti-IgM plus anti-CD40 (HM40-3, Cat. no. 553721) antibodies. An increased binding of OX-40-Ig fusion protein to mouse splenic B cells was observed when B cells were treated with LPS, suggesting that OX-40L expression is augmented in LPS-activated splenic B cells when compared to resting cells, but this observation could not be confirmed with the RM134L mAb. In addition, other studies with OX-40-Ig fusion protein detected OX-40L on CD4+ and CD8+ activated splenic T cells, but OX-40L was not detected on T cells with the RM134L mAb. Similar results have been reported by others. The RM134L mAb inhibits the binding of OX-40-Ig fusion protein to OX-40L transfectants and blocks the costimulatory activity of OX-40L

Specifications

Specifications

CD252
RM134L
BB515
Aqueous buffered solution containing ≤0.09% sodium azide
Rat
IgG2b, κ
RUO
Primary
Murine
Flow Cytometry
0.2mg/mL
Tnfsf4; OX40 ligand; OX40L; TXGP1; Txgp1l; gp34; Ath-1, Ath1, CD134L
Affinity purified
Rat NRK-52E cell line transfected with mouse OX-40L gene (Txgp1l)
50μg
Store undiluted at 4°C and protected from prolonged exposure to light. Do not freeze.
Monoclonal
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