B7-H4 Protein, Mouse, Recombinant

Cat: 50017-MCCH
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B7-H4 Protein, Mouse, Recombinant Product Information
Purity
> 90 % as determined by SDS-PAGE.
Endotoxin
< 1.0 EU per μg protein as determined by the LAL method.
Activity
Testing in progress
Protein Construction
A DNA sequence encoding the mouse Vtcn1 (Q7TSP5) (Phe29-Ser256) was expressed with six amino acids (LEVLFQ) at the C-terminus.
Reference#
Expressed Host
HEK293 Cells
Species
Mouse
Predicted N Terminal
Phe 29
Molecule Mass
The recombinant mouse Vtcn1 consists 235 amino acids and predicts a molecular mass of 26 kDa.
Formulation
Lyophilized from sterile PBS, pH 7.4.
1. Normally 5 % - 8 % trehalose, mannitol and 0.01% Tween80 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.
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.
Stability & Storage
Samples are stable for up to twelve months from date of receipt at -70℃
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.
B7-H4 Protein, Mouse, Recombinant in SDS-PAGE
Mouse B7-H4/Vtcn1/B7S1 Protein 11302
B7-H4 Protein, Mouse, Recombinant Alternative Names
B7h4 Protein, Mouse;B7s1 Protein, Mouse;B7x Protein, Mouse;BC032925 Protein, Mouse
B7-H4 Background Information

V-set domain-containing T-cell activation inhibitor 1, also known as B7X, B7H4, B7S1, and VTCN1, is a single-pass type? membrane protein belonging to the B7 family of costimulatory proteins. These proteins are expressed on the surface of antigen-presenting cells and interact with ligands on T lymphocytes. They provide costimulatory signals that regulate T cell responses. A soluble form of B7H4 has also been detected. B7X / VTCN1 / B7H4 negatively regulates T-cell-mediated immune response by inhibiting T-cell activation, proliferation, cytokine production and development of cytotoxicity. When expressed on the cell surface of tumor macrophages, B7X / VTCN1 / B7H4 plays an important role, together with regulatory T-cells(Treg), in the suppression of tumor-associated antigen-specific T-cell immunity. B7X / VTCN1 / B7H4 is also involved in promoting epithelial cell transformation. This membrane protein can be up-regulated by IL6 / interleukin-6 and IL10 / interleukin-10 and inhibited by CSF2 / GM-CSF and IL4 / interleukin-4 on antigen-presenting cells.

Immune Checkpoint
Immune Checkpoint Detection: Antibodies   Immune Checkpoint Detection: ELISA Antibodies   Immune Checkpoint Detection: IHC Antibodies
Immune Checkpoint Proteins
Immune Checkpoint Targets   Co-inhibitory Immune Checkpoint Targets

Immunotherapy   Cancer Immunotherapy   Targeted Therapy

Full Name
V-set domain containing T cell activation inhibitor 1
References
  • Zang X, et al. (2003) B7x: a widely expressed B7 family member that inhibits T cell activation. Proc Natl Acad Sci U S A. 100(18): 10388-92.
  • Suh WK, et al. (2006) Generation and characterization of B7-H4/B7S1/B7x-deficient mice. Mol Cell Biol. 26(17): 6403-11.
  • Zang X, et al. (2007) B7-H3 and B7x are highly expressed in human prostate cancer and associated with disease spread and poor outcome. Proc Natl Acad Sci U S A. 104(49):19458-63.
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