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Rat BTLA Protein (ECD, Fc Tag)

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Rat Btla Protein Product Information
Protein Construction:A DNA sequence encoding the rat Btla (NP_998795.1) (Ala6-Tyr183) was expressed with the Fc region of mouse IgG1 at the C-terminus.
Expressed Host:Human Cells
Shipping:In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature.
Bulk packages of recombinant proteins are provided as frozen liquid. They are shipped out with blue ice unless customers require otherwise.
Rat Btla Protein QC Testing
Purity:> 90 % as determined by SDS-PAGE.
Bio-Activity:1. Measured by its binding ability in a functional ELISA.
2. Immobilized rat BTLA-mFc at 10 μg/mL (100 μL/well) can bind mouse HVEM-Fch (Cat:10567-M03S). The EC50 of mouse EFNA5-Fc (Cat:50597-M02H) is 6.2-14.4 ng/mL.
Endotoxin:<1.0 EU per μg protein as determined by the LAL method.
Stability:Samples are stable for up to twelve months from date of receipt at -70℃
Predicted N Terminal:Lys 30
Molecule Mass:The recombinant rat Btla consists 384 amino acids and predicts a molecular mass of 43.4 kDa.
Formulation:Lyophilized from sterile PBS, pH 7.4.
1. Normally 5 % - 8 % trehalose and mannitol are added as protectants before lyophilization. Specific concentrations are included in the hardcopy of COA.
2. Please contact us for any concerns or special requirements.
Rat Btla Protein Usage Guide
Storage:Store it under sterile conditions at -20℃ to -80℃. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.
Reconstitution:A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
Rat Btla Protein SDS-PAGE
Rat BTLA Protein (ECD, Fc Tag) SDS-PAGE
Other Btla Recombinant Protein Products
BTLA Background

BTLA is a inhibitory molecule which belongs to the Ig superfamily. It down-modulates immune responses. As such, reagents that regulate the binding of BTLA to its ligand or alter BTLA signaling have significant therapeutic promise. BTLA is crucial to understand the mechanism(s) of action of these antibodies before attempting clinical applications. BTLA is not expressed by naive T cells, but it is induced during activation and remains expressed on T helper type 1 (T(H)1) but not T(H)2 cells. BTLA is a third inhibitory receptor on T lymphocytes with similarities to cytotoxic T lymphocyte-associated antigen 4 (CTLA-4) and programmed death 1 (PD-1).

Rat BTLA References
  • Fourcade J, et al. (2012) CD8(+) T cells specific for tumor antigens can be rendered dysfunctional by the tumor microenvironment through upregulation of the inhibitory receptors BTLA and PD-1. Cancer Res. 72(4):887-96.
  • Kojima R, et al. (2011) Molecular basis for herpesvirus entry mediator recognition by the human immune inhibitory receptor CD160 and its relationship to the cosignaling molecules BTLA and LIGHT. J Mol Biol. 413(4):762-72.
  • Oki M, et al. (2011) A functional polymorphism in B and T lymphocyte attenuator is associated with susceptibility to rheumatoid arthritis. Clin Dev Immunol. 305656.
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    Catalog: 81142-R05H-50
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    All information of our products is subject to change without notice. Please refer to COA enclosed in shipped package for the newest information.