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Human IL-10 Protein  pdf  pdf  pdf


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Synonym

CSIF,IL-10,IL10A,TGIF,B-TCGF,GVHDS,MGC126450,MGC126451,RP11-262N9.1,Interleukin-10

Source

Human IL-10 Protein (Human IL-10, His Tag) Ser 19 - Asn 178 (Accession # NP_000563.1) was produced in human 293 cells (HEK293) at ACROBiosystems.

Molecular Characterization

Human IL-10, His Tag is fused with a polyhistidine tag at the N-terminus, and has a calculated MW of 19.5 kDa. The predicted N-terminus is His. DTT-reduced Protein migrates as 20 kDa in SDS-PAGE due to glycosylation.

Endotoxin

Less than 1.0 EU per μg of the Human IL-10, His Tag by the LAL method.

Purity

>95% as determined by SDS-PAGE.

Formulation

Lyophilized from 0.22 μm filtered solution in PBS, pH7.4. Normally Mannitol or Trehalose are added as protectants before lyophilization.

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Reconstitution

See Certificate of Analysis for reconstitution instructions and specific concentrations.

Storage

Avoid repeated freeze-thaw cycles.

No activity loss was observed after storage at:
In lyophilized state for 1 year (4oC); After reconstitution under sterile conditions for 3 months (-70oC).

 

SDS-PAGE


Human IL-10 Protein
The purity of Human IL-10, His Tag was determined by DTT-reduced (+) SDS-PAGE and staining overnight with Coomassie Blue.
 
 

Background

Interleukin-10 (IL-10) is also known as human cytokine synthesis inhibitory factor (CSIF), is an anti-inflammatory cytokine. IL-10 is an immunosuppressive cytokine produced by a variety of mammalian cell types including macrophages, monocytes, T cells, B cells and keratinocytes. Mature human IL-10 shares 72% - 86% amino acid sequence identity with bovine, canine, equine, feline, mouse, ovine, porcine, and rat IL-10. Whereas human IL-10 is active on mouse cells, mouse IL-10 does not act on human cells. IL-10 is capable of inhibiting synthesis of pro-inflammatory cytokines such as IFN-γ, IL-2, IL-3, TNFα and GM-CSF made by cells such as macrophages and regulatory T-cells. It also displays a potent ability to suppress the antigen-presentation capacity of antigen presenting cells. However, it is also stimulatory towards certain T cells and mast cells and stimulates B cell maturation and antibody production. Knockout studies suggested the function of Interleukin-10 / IL-10 as an essential immunoregulator in the intestinal tract. Patients with Crohn's disease react favorably towards treatment with bacteria producing recombinant interleukin-10, showing the importance of interleukin-10 for counteracting excessive immunity in the human body.

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References

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