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ActoFactor™ Recombinant Human CD70 molecule
- Specification
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Cat.No.
CSC-CTK0317
Description
CD27 Ligand, a type II transmembrane protein, is a member of the TNF superfamily. It is expressed on activated T and B lymphocytes as well as NK cells. CD27L and its receptor (CD27) regulate the immune response by promoting T-cell expansion and differentiation, as well as NK enhancement. CD27 signaling can act as a co-stimulatory effector to sustain the survival of CD8+ T cells, primarily by inducing increased expression of the IL-2 gene. Full length human CD27L is a 193 amino acid protein, consisting of a 17 amino acid cytoplasmic domain, a 21 amino acid transmembrane domain, and a 155 amino acid extracellular domain. Human soluble CD27L corresponds to the 155 amino acid extracellular domain of the full length CD27L protein. Recombinant human sCD27L contains the extracellular domain plus an N-terminal His-Tag.
Species
Human
Product Overview
Human CD70 expressed in CHO cells
Molecular Mass
N/A
Size
CAT# CSC-CTK0317-50 (50 μg); CAT# CSC-CTK0317-250 (250 μg)
Expression System
CHO cells
Purity
Greater than 95% as determined by SDS-PAGE and HPLC analyses.
Activity
Determined by its ability to stimulate human IL-8 production by human PBMC using a concentration range of 10.0-25.0 ng/ml. Note: Results may vary with PBMC donors.
Endotoxin Level
Less than 1 EU/μg.
Formulation
Sterile filtered through a 0.2 micron filter and ly ophilized from 20 mM sodium citrate buffer (pH 3.0).
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 dessicated at -20°C. Reconstituted protein should be used immediately or stored long-term in undiluted working aliquots at –20°C. For long term storage, it is recommended to add a carrier protein (0.1% HSA or BSA). Avoid repeated freeze / thaw cycles.
Citation Guidance
If you use this products in your scientific publication, it should be cited in the publication as: Creative Bioarray cat no. If your paper has been published, please click here to submit the PubMed ID of your paper to get a coupon.
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