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ActoFactor™ Recombinant Mouse CD40 ligand

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  • Specification
  • Recommended Products
  • Cat.No.
  • CSC-CTK0708
  • Description
  • CD40, a member of the TNF receptor family, is a cell surface protein expressed on B cells, dendritic cells, monocytes, thymic epithelial cells and, at low levels, on T cells. Signaling though CD40 plays an important role in the proliferation and differentiation of B cells, and is critical for immunoglobulin (Ig) class switching. The membrane-anchored CD40-Ligand is expressed almost exclusively on activated CD4+ T lymphocytes. Failure to express CD40L leads to "immunodeficiency with hyper-IgM", a disease characterized by failure to produce IgG, IgA and IgE. The soluble form of CD40L is an 18 kDa protein comprising the entire TNF homologous region of CD40L and is generated in vivo by an intracellular proteolytic processing of the full length CD40L. Recombinant murine CD40L is a soluble 16.4 kDa protein containing 149 amino acid residues comprising the receptor binding TNF-like domain of CD40L.
  • Species
  • Mouse
  • Product Overview
  • Mouse Cd40lg expressed in E.coli
  • Molecular Mass
  • 16.4 kDa
  • Size
  • CAT# CSC-CTK0708-25 (25 μg); CAT# CSC-CTK0708-125 (125 μg)
  • Expression System
  • E.coli
  • Purity
  • Greater than 98% as determined by SDS-PAGE and HPLC analysis.
  • Activity
  • Determined by its ability to induce TNF-alpha and MIP-1 alpha production by murine splenocytes. The expected ED50 for this effect is 0.1 μg/ml.
  • Endotoxin Level
  • Less than 1 EU/μg.
  • Formulation
  • Lyophilized from a sterile-filtered, concentrated ( 1 mg/ml) protein solution in 10 mM phosphate buffer (pH 7.5) with no additives.
  • Reconstitution
  • Please centrifuge product briefly before opening vial. The lyophilized protein should be reconstituted in sterile, ultra-pure water to a concentration of 0,1 - 1,0 mg/ml. This solution can then be diluted into other aqueous buffers and stored at -20°C for future use.
  • Storage & Stability
  • The lyophilized protein, though stable at room temperature for up to 3 weeks, is best stored desiccated at -20°C. Reconstituted rMu sCD40L should be used immediately or stored long-term in undiluted working aliquots at -20°C. Avoid repeated freeze-thaw cycles.

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      Tel: 1-631-626-9181
      Fax: 1-631-614-7828
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      Tel: 44-207-097-1828
      Email: info@creative-bioarray.com
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Contact Us
USA
45-1 Ramsey Road, Shirley, NY 11967, USA
Tel: 1-631-626-9181
Fax: 1-631-614-7828
Email: info@creative-bioarray.com

Europe
Tel: 44-207-097-1828
Email: info@creative-bioarray.com