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Human TSLP Protein

分子别名(Synonym)

TSLP

表达区间及表达系统(Source)

Human TSLP (TSP-H52Hb) is expressed from human 293 cells (HEK293). It contains AA Tyr 29 - Gln 159 (Accession # Q969D9-1).

Predicted N-terminus: Tyr 29

蛋白结构(Molecular Characterization)

TSLP(Tyr 29 - Gln 159) Q969D9-1

This protein carries a polyhistidine tag at the C-terminus.

The protein has a calculated MW of 16.8 kDa. The protein migrates as 8 kDa and 14-20 kDa under reducing (R) condition (SDS-PAGE) due to glycosylation.

内毒素(Endotoxin)

Less than 1.0 EU per μg by the LAL method.

纯度(Purity)

>90% as determined by SDS-PAGE.

制剂(Formulation)

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally trehalose is added as protectant before lyophilization.

Contact us for customized product form or formulation.

重构方法(Reconstitution)

Please see Certificate of Analysis for specific instructions.

For best performance, we strongly recommend you to follow the reconstitution protocol provided in the CoA.

存储(Storage)

For long term storage, the product should be stored at lyophilized state at -20°C or lower.

Please avoid repeated freeze-thaw cycles.

No activity loss is observed after storage at:

  1. 4-8°C for 12 months in lyophilized state;
  2. -70°C for 3 months under sterile conditions after reconstitution.
 

电泳(SDS-PAGE)

Human TSLP (Cat. No. TSP-H52Hb) SDS-PAGE gel

Human TSLP on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 90%.

 

活性(Bioactivity)

Human TSLP (Catalog # TSP-H52Hb) ELISA bioactivity

Immobilized Human TSLP R, Fc Tag (Cat. No. TSR-H525a) at 5 μg/mL (100 μL/well) can bind Human TSLP (Cat. No. TSP-H52Hb) with a linear range of 1.6-13 ng/mL (QC tested).

点击申请Protocol

Human TSLP (Cat. No. TSP-H52Hb) ELISA bioactivity

Immobilized Human TSLP (Cat. No. TSP-H52Hb) at 1 μg/mL (100 μL/well) can bind Anti-TSLP, Human IgG2 with a linear range of 0.5-8 ng/mL (Routinely tested).

点击申请Protocol

 

背景(Background)

Thymic stromal lymphopoietin (TSLP) is an epithelial cell-derived cytokine involved in the pathology of inflammatory skin diseases, and is widely expressed by epithelial cells. Human TSLP cDNA encodes a 159 amino acid (aa) residue precursor protein with a 28 aa signal sequence (4, 5). Human TSLP has been shown to developing nondeletional central tolerance, amplifying epithelium-induced class switching, inducing atopic diseases and maintaining intestinal noninflammatory environment. Among diverse cells responding to Human TSLP, CD11c+ dendritic cells are the most obviously characterized target cells.

参考文献(References)

Please contact us via TechSupport@acrobiosystems.com if you have any question on this product.


货号/价格

TSP-H52Hb-100ug / ¥3500

TSP-H52Hb-1mg / ¥22000

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