Rat LTBR HEK293 Overexpression Lysate

Cat: 80178-R02HL

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Rat LTBR HEK293 Overexpression Lysate Product Information
Product Description
This Rat LTBR overexpression lysate was created in HEK293 Cells and intented for use as a Western blot (WB) positive control. Purification of LTBR protein (Cat: 80178-R02H) from the overexpression lysate was verified.
Expression Host
HEK293 Cells
Sequence Information
A DNA sequence encoding the rat LTBR (Q5U2S8) (Met1-Ala218) was expressed with the Fc region of human IgG1 at the C-terminus.
Molecule Mass
The recombinant rat LTBR/Fc is a disulfide-linked homodimer. The reduced monomer comprises 432 amino acids and has a predicted molecular mass of 48.5 kDa. The apparent molecular mass of the protein is approximately 66 kDa in SDS-PAGE under reducing conditions.
Rat LTBR HEK293 Overexpression Lysate Usage Guide
Preparation Method
Cell lysate was prepared by homogenization of the over-expressed cells in ice-cold modified RIPA Lysis Buffer with cocktail of protease inhibitors (Sigma). Cell debris was removed by centrifugation. Protein concentration was determined by Bradford assay (Bio-Rad protein assay, Microplate Standard assay). The cell lysate was boiled for 5 min in 1 x SDS loading buffer (50 mM Tris-HCl pH 6.8, 12.5% glycerol, 1% sodium dodecylsulfate, 0.01% bromophenol blue) containing 5% b-mercaptoethanol, and lyophilized.
Lysis Buffer
Modified RIPA Lysis Buffer: 50 mM Tris-HCl pH 7.4, 150 mM NaCl, 1mM EDTA, 1% Triton X-100, 0.1% SDS, 1% Sodium deoxycholate, 1mM PMSF.
Recommend Usage
1.  Centrifuge the tube for a few seconds and ensure the pellet at the bottom of the tube. 2.  Re-dissolve the pellet using 200μL pure water and boil for 2-5 min.
Sample Buffer
1 X Sample Buffer (1 X modified RIPA buffer+1 X SDS loading buffer).
Stability & Storage
Store at 4℃ for up to twelve months from date of receipt. After re-dissolution, aliquot and store at -80℃ for up to twelve months. Avoid repeated freeze-thaw cycles.
Western Blot (WB)
Optimal dilutions/concentrations should be determined by the end user.
LTBR Background Information

LTBR (lymphotoxin beta receptor (TNFR superfamily, member 3)) is a member of the tumor necrosis factor (TNF) family of receptors. Tumor necrosis factor receptor is a trimeric cytokine receptor that binds tumor necrosis factors. The receptor cooperates with an adaptor protein (such as TRADD, TRAF, RIP), which is important in determining the outcome of the response. LTBR is expressed on the surface of most cell types, including cells of epithelial and myeloid lineages, but not on T and B lymphocytes. LTBR specifically binds the lymphotoxin membrane form (a complex of lymphotoxin-alpha and lymphtoxin-beta). LTBR and its ligand play a role in the development and organization of lymphoid tissue and tranformed cells. Activation of this protein can trigger apoptosis. Not only does the LTBR help trigger apoptosis, it can lead to the release of the cytokine interleukin 8. Overexpression of LTBR in HEK293 cells increases IL-8 promoter activity and leads to IL-8 release. It is also essential for development and organization of the secondary lymphoid organs and chemokine release.

Full Name
lymphotoxin beta receptor (TNFR superfamily, member 3)
  • Summers deLuca L, et al. (2011) A LTβR signaling in dendritic cells induces a type I IFN response that is required for optimal clonal expansion of CD8+ T cells. Proc Natl Acad Sci. 108(5):2046-51.
  • Bista P, et al. (2010) TRAF3 controls activation of the canonical and alternative NFkappaB by the lymphotoxin beta receptor. J Biol Chem. 285(17):12971-8.
  • Xu Y, et al. (2011) Adiponectin inhibits lymphotoxin-β receptor-mediated NF-κB signaling in human umbilical vein endothelial cells. Biochem Biophys Res Commun. 404(4):1060-4.
  • Cynomolgus Overexpression Lysate

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    Cynomolgus LTBR HEK293 Overexpression Lysate 90101-C02HL

    Rat Overexpression Lysate

    Product Name Cat.No.
    Rat LTBR HEK293 Overexpression Lysate 80178-R08HL

    Human Overexpression Lysate

    Product Name Cat.No.
    Human LTBR HEK293 Overexpression Lysate 10581-H02HL
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