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BlueGene Biotech P01I0069 Human Interleukin 4 (IL 4) Protein, Recombinant

Human Interleukin 4 (IL 4) can also be called as BSF1, IL-4, BCGF1, BSF-1, BCGF-1.

Specifications Of P01I0069 Human IL 4 Protein, Recombinant

Porduct's Information

CatalogNumber

P01I0069

Package Size

10ug/50ug/100ug/1mg

Other Names

BSF1; IL-4; BCGF1; BSF-1; BCGF-1

Protein & NCBI Number

P05112, NM_000589.4

Host

E.coli

Express Region

1-153aa

Protein Length

Total length of the protein(including Tag)

Protein Sequence

MGLTSQLLPPLFFLLACAGNFVHGHKCDITLQEIIKTLNSLTEQ

KTLCTELTVTDIFAASKNTTEKETFCRAATVLRQFYSHHEKDTRCLGATAQQFHRHKQ

LIRFLKRLDRNLWGLAGLNSCPVKEANQSTLENFLERLKTIMREKYSKCSS

Molecular Weight

about 17.5kDa

Fusion Tag

6×His-SUMO (N-terminus)

Purity

≥95% SDS-PAGE

PhysicalProperty

liquid or lyophilized powder

Reconstitution

Storage solution: We recommend using PBS or a suitable solvent according to the experimental requirements to prepare 1mg/mL storage solution, aliquot and store at -20 °C.

Working solution: According to the experimental requirement, dilute Storage solution. The working solution can be stored at 4°C for 2-3 weeks after dilution.

Storage & Stability

The shelf life of liquid form is 6 months stored at -20 °C /-80 °C.

The shelf life of lyophilized form is 12 months stored at -20 °C /-80 °C.

Applications

Antibody preparation, immunoassay (ELISA, WB), subcellular localization and interaction protein identification, etc.

Lead Time

5 to 10 business days;

2 to 3 days for stock products


Background

IL-4 is a pleiotropic cytokine produced by activated T cells. It undergoes N glycosylation sites and different degrees of glycosylation under different conditions. The precursor of IL-4 is 153 peptide, and the mature IL-4 is 129 peptide after removing the signal peptide.The biological effects of IL-4 are mediated by binding to the IL-4 receptor (IL-4R).The Interleukin  4 receptor also binds to IL13, which may result in many overlapping functions of this cytokine and IL-13.STAT6 is a signal transduction and transcriptional activator that has been shown to play a central role in mediating immunomodulatory signaling of this cytokine.

IL-4 is considered to be an important cytokine for tissue repair, counteracting the effects of type 1 proinflammatory cytokines; however, it also promotes allergic airway inflammation.In addition, IL-4, as a characteristic cytokine of Th2 cells, plays a role in promoting the occurrence and development of inflammatory responses characterized by Th2, mediating and regulating a variety of human host responses, such as allergy, anti-parasite, wound healing, and acute inflammation.Il-4 significantly upregates THE CXC chemokine receptor on THE surface of CD4+T cells to mediate the inflammatory response, which may be mediated by cAMP or cGMP signal transduction pathways.

IL-4 has been reported to promote the regression of neutrophil-mediated acute lung injury.In allergic reactions, IL-4 plays an important role in the production of allergen-specific immunoglobulin IgE. An increase in this pro-inflammatory cytokine has been observed in PATIENTS with COVID-19, but is not necessarily associated with severe COVID-19 pathology.Two variable-splice transcripts of this gene encoding different isoforms have been reported.


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