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Manufactured by BioVendor

sOX40 Ligand Human Hi-5 Insect cells

  • Regulatory status:RUO
  • Type:Recombinant protein
  • Source:Hi-5 Insect cells
  • Other names:TNFSF4, OX40L, Gp34, CD252
  • Species:Human
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Cat. No. Size Price


RBG10259002 2 µg
RBG10259010 10 µg
RBG10259100 100 μg
PubMed Product Details
Technical Data

Type

Recombinant protein

Description

OX40L, a member of the TNF superfamily of structurally related proteins, exists primarily as a type II membrane bound, non-covalently linked homotrimeric protein. It is expressed on antigen presenting cells (APCs), such as dendritic cells and activated B-cells, and also on various other cells such as vascular endothelial cells, mast cells, and natural killer cells. OX40L signals specifically through the OX40 receptor, which is expressed predominantly on CD4+T cells but also on certain activated CD8+T cells. OX40/OX40L functions as a costimulatory signal, which is required for a productive interaction between antigen presenting cells and their target T-cells. It enhances cell proliferation and survival, and increases expression of RANTES, IL-2, IL-3, and IFNγ. OX40/OX40L signaling plays an important role in immuno-regulatory communication, enabling the immune system to distinguish between “friend vs. foe” during activation; a mechanism typically termed immuno-tolerance. Recombinant OX40L is a glycosylated 133 amino acid protein corresponding to the extracellular TNF homologous domain of the full length transmembrane protein. It migrates with an apparent molecular mass of 15.5 – 25.0 kDa on SDS-PAGE.

Amino Acid Sequence

QVSHRYPRIQSIKVQFTEYKKEKGFILTSQKEDEIMKVQNNSVIINCDGFYLISLKGYFSQEVNISLHYQKDEEPLFQLKKVRSVNSLMVASLTYKDKVYLNVTTDNTSLDDFHVNGGELILIHQNPGEFCVL

Source

Hi-5 Insect cells

Purity

97%

Biological Activity

Determined by its ability to stimulate IL-8 production by human PBMC using a concentration range of 30–100 ng/ml. Note: Results may vary with PBMC donors.

Endotoxin

Endotoxin level is <0.1 ng/μg of protein (<1EU/μg).

Reconstitution

Centrifuge the vial prior to opening. Reconstitute in water to a concentration of 0.5 mg/ml. Do not vortex. For extended storage, it is recommended to further dilute in a buffer containing a carrier protein (example 0.1% BSA) and store in working aliquots at –20°C to –80°C.

Storage/Expiration

 –20°C

Summary

Research topic

Immune Response, Infection and Inflammation, Oncology, Transplantation

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