Celastrol, IL-17A (IL-17A Inhibitor)
Novus Biologicals | Catalog # NBP2-29362
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Product Specifications
Application Notes
Celastrol is used in assays to inhibit IL-17A induction. We recommend an initial titration of the inhibitor from 0-50 uM for in vitro assays along with vehicle. The IL-17A Prom/LUCPorter cell line (NBP2-26283), which is a semi-constitutively active cell line, is a useful positive control model system for studying inhibition of IL-17A induction by celastrol (Figure 2). The anti-CD3/CD28-stimulated peripheral blood mononuclear cells (PBMC) are another model system for studying inhibition of IL-17A production (Figure 3).
Scientific Data Images for Celastrol, IL-17A (IL-17A Inhibitor)
Celastrol, IL-17A Inhibitor Inhibitor [NBP2-29362]
Celastrol, IL-17A Inhibitor Inhibitor [NBP2-29362] - Celastrol, IL-17A Inhibitor Inhibitor Evaluation of inhibitory activity on induction of IL-17A. IL-17A Prom/ LUCPorterTM HEK 293 cells were plated in 96-well white plates at 5 x 10^4 cells/well for 16 h. Cells were treated with different concentrations of IL-17A inhibitor between 0 and 100 uM as noted [A] for 6 h. The luciferase reporter assay reagent was then directly added to the cell plates (50 ul/well). After 10 min, the plates were analyzed by reading in a plate luminometer. The values from [A] were used to determine the IC50 of the IL-17A inhibitor [B]. Data Summary: Celastrol inhibited the IL-17A promoter induction in a dose-response manner, of which IC50 was measured as 0.7 uM.
Celastrol, IL-17A Inhibitor Inhibitor [NBP2-29362] - The inhibitor suppresses IL-17A production in human PBMC stimulated with anti-CD3/CD28. Perpheral blood mononuclear cells (PBMC) were stimulated with anti-CD3 and anti-CD28 in the presence or absence of celastrol (0.5, 5 and 50 uM) for 3 days. IL-17A was then measured from the cell culture media using the Human IL-17A ActivELISA. Data Summary: PBMCs that were stimulated with anti-CD3/CD28 produced IL-17A, of which induction was inhibited by the IL-17A inhibitor. Vehicle: DMSO, Nil: no anti-CD3/CD28 stimulated PBMCs.
Formulation, Preparation, and Storage
Preparation Method
1. To make a 50 mM stock solution, dissolve 1 mg celastrol in 44.5 ul anhydrous dimethyl sulfoxide (DMSO) by gentle vortex.
2. Divide into useable aliquots and store them at -20oC.
3. The stock solution may be diluted further to make working solutions in DMSO. The final DMSO concentration in the cells to be analyzed should not exceed 1%.
2. Divide into useable aliquots and store them at -20oC.
3. The stock solution may be diluted further to make working solutions in DMSO. The final DMSO concentration in the cells to be analyzed should not exceed 1%.
Formulation
Solubility:DMSO: >10 mg/mL
assay:>or equal to 98% (HPLC)
assay:>or equal to 98% (HPLC)
Concentration
Concentration is not relevant for this product. Please see the protocols for proper use of this product.
Shipping
The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.
Storage
Store at -20C in powder form. Store at -80C once reconstituted.
Background: Celastrol, IL-17A
Celastrol is a pentacyclic-triterpene extracted from Tripterygium wilfordii (Thunder of God Vine). This IL-17A inhibitor is known for its role in the prevention of inflammatory diseases and cancer. Molecular targets include inhibition of IKKa/b kinases, inactivation of Cdc37 and p23 proteins that are co-chaperones of HSP90, inhibition of proteasome function, and activation of heat-shock transcription factor 1 (HSF1). A recent study showed that this inhibitor suppressed rheumatoid arthritis through modulation of the key proinflammatory cytokines such as IL-17, IL-6 and IFNg; the authors indeed observed that those cytokine responses were significantly inhibited in arthritic rats when treated with the inhibitor. Our data also show that it directly suppresses IL-17A induction, in which constitutive activation of the IL-17A promoter in the IL-17A Prom/LUCPorter™ HEK 293 cell line has been highly inhibited by celastrol with the IC50 of 0.1545 uM (Figure 2). Furthermore, the inhibitor suppresses IL-17A production in peripheral blood mononuclear cells stimulated with anti-CD3/CD28 (Figure 3).
Alternate Names
Celastrol (IL-17A Inhibitor), Celastrol IL17A Inhibitor, Celastrol IL-17A Inhibitor
Additional Celastrol, IL-17A Products
Product Documents for Celastrol, IL-17A (IL-17A Inhibitor)
Certificate of Analysis
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Product Specific Notices for Celastrol, IL-17A (IL-17A Inhibitor)
This product is for research use only and is not approved for use in humans or in clinical diagnosis. Inhibitors are guaranteed for 1 year from date of receipt.
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