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ActiveMax® Recombinant Human IL-7  pdf  pdf  pdf


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IL7-H4219-20ug
    $198.00
IL7-H4219-50ug
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Synonym

IL7,Interleukin-7

Source

ActiveMax® Human IL-7 (IL7-H4219) is expressed from human 293 cells (HEK293). It contains AA Asp 26 - His 177 (Accession # AAH47698).

Predicted N-terminus: Asp 26

Molecular Characterization

IL-7(Asp 26 - His 177)AAH47698

This protein carries no "tag".

The protein has a calculated MW of 17 kDa. The protein migrates as 24 kDa and 26 kDa under reducing (R) condition (SDS-PAGE) due to different glycosylation.

Endotoxin

Less than 1.0 EU per μg by the LAL method.

 

Purity

>95% as determined by SDS-PAGE.

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.

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.

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.
 

SDS-PAGE

ActiveMax® Human IL-7 (Cat. No. IL7-H4219) SDS-PAGE gel

ActiveMax® Human IL-7 on SDS-PAGE under reducing (R) condition. The gel was stained overnight with Coomassie Blue. The purity of the protein is greater than 95%.

Bioactivity

ActiveMax® Human IL-7 (Cat. No. IL7-H4219) ELISA bioactivity

Immobilized Human IL-7, Tag Free (Cat. No. IL7-H4219) at 10μg/mL (100 μL/well) can bind Human IL-7 R alpha, Fc Tag (Cat. No. ILA-H5258) with a linear range of 0.078-1.25 μg/mL (QC tested).

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Background

Interleukin 7 is also known as IL7, IL-7, and is a hematopoietic growth factor secreted by stromal cells in the red marrow and thymus. It is also produced by keratinocytes, dendritic cells, hepatocytes, neurons, and epithelial cells, but is not produced by lymphocytes. IL-7 stimulates the differentiation of multipotent (pluripotent) hematopoietic stem cells into lymphoid progenitor cells, It also stimulates proliferation of all cells in the lymphoid lineage (B cells, T cells and NK cells). It is important for proliferation during certain stages of B-cell maturation, T and NK cell survival, development and homeostasis. IL-7 is a cytokine important for B and T cell development. This cytokine and the hepatocyte growth factor (HGF) form a heterodimer that functions as a pre-pro-B cell growth-stimulating factor. IL-7 binds to the IL-7 receptor, a heterodimer consisting of Interleukin-7 receptor alpha and common gamma chain receptor. Il-7 promotes hematological malignacies (acute lymphoblastic leukemia, T cell lymphoma). Elevated levels of IL-7 have also been detected in the plasma of HIV-infected patients. IL-7 as an immunotherapy agent has been examined in many pre-clinical animal studies and more recently in human clinical trials for various malignancies and during HIV infection. IL-7 could also be beneficial in improving immune recovery after allogenic stem cell transplant.

References

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

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