TSLPR:TSLP (Biotinylated) Inhibitor Screening Chemiluminescence Assay Kit

TSLPR:TSLP (Biotinylated) Inhibitor Screening Chemiluminescence Assay Kit
Artikelnummer
BPS82507
Verpackungseinheit
96 reactions
Hersteller
BPS Bioscience

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Applications: Screen small molecule inhibitors or antibodies that block TSLP binding to TSLPR.

Background: TSLP (thymic stromal lymphopoietin) is a protein that functions as a type I cytokine, as an alarmin and growth factor in the immune system. It is involved in type 2 immune responses, TH2 (T helper 2 cells) responses, and the maturation and recruitment of dendritic cells (DCs), T cells, B cells, neutrophils, mast cells, and other lymphoid cells.  It can be produced by epithelial and stromal cells in lung, skin, and gastric system, but also by DCs, basophils and mast cells. Its expression can be induced by infections, pro-inflammatory cytokines, proteases, and even mechanical injury. For instance, it can be produced in the lungs in response to infection with influenza or rhinovirus. Its role as alarmin can result in increasing inflammation. TSLP is linked to allergic reactions such as asthma, atopic dermatitis, and food allergies, by inducing the expression of OX40L, CD80 and CD86 and stimulating CD4T cells. In 2021, the TLSP-neutralizing antibody tezepelumab was approved for the treatment of severe asthma. Targeting TSLP is an active area of investigation with ongoing clinical trials for the treatment of autoimmune disorders.

Contraindications: The DMSO concentration in the final reaction should be ‰¤1%.

Description: The TSLPR:TSLP [Biotinylated] Inhibitor Screening Chemiluminescence Assay Kit is designed for screening and profiling molecules that block the binding between TSLPR (thymic stromal lymphopoietin receptor) and TSLP. This kit comes in a convenient 96-well format, with enough recombinant human biotin-labeled TSLP (amino acids 29-159), human TSLP-R (amino acids 25-231), streptavidin-HRP, and assay buffer for 100 reactions.A 96-well plate  is coated with TSLPR protein. After blocking, the plate is pre-incubated with an inhibitor or neutralizing antibody. After incubation with Biotin-TSLP, the plate is washed and Streptavidin-HRP is added. The ELISA ECL substrate is added  and the resulting signal can be measured using a chemiluminescence microplate reader. The chemiluminescence signal is proportional to the binding of TSLPR to TSLP.

Storage Stability: This assay kit will perform optimally for up to 6 months from date of receipt when the materials are stored as directed.

Uniprot: TSLPR: Q9HC73; TSLP: Q969D9

Warnings: Avoid freeze/thaw cycles

Biosafety Level: Not applicable (BSL-1)
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Artikelnummer BPS82507
Hersteller BPS Bioscience
Hersteller Artikelnummer 82507
Verpackungseinheit 96 reactions
Mengeneinheit PAK
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