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Your Position: > Protein > IL-4 > IL4-H4218

Human IL-4 Protein, premium grade

GMP version GMP-L04H26 is now available for seamless transition.
  • Synonym
    IL4,BCGF1,BSF1
  • Source
    Human IL-4, premium grade(IL4-H4218) is expressed from human 293 cells (HEK293). It contains AA His 25 - Ser 153 (Accession # P05112-1).
    Predicted N-terminus: His 25
    Human IL-4, premium grade (IL4-H4218), designed for preclinical stage, has the same activity and performance with GMP Human IL-4 (GMP-L04H26), which enables a seamless transition from preclinical development to clinical phases. Premium Grade product offer a cost efficient alternative of GMP Grade products for the early development phase when safety of raw materials is not top priority. By using Premium Grade products in early development phase, you can transition easily into clinical and commercial phase without need to revalidate the raw materials and modify manufacturing process.
  • Molecular Characterization
    IL-4 Structure

    This protein carries no "tag".

    The protein has a calculated MW of 15.0 kDa. The protein migrates as 19 kDa±3 kDa when calibrated against Star Ribbon Pre-stained Protein Marker under reducing (R) condition (SDS-PAGE) due to glycosylation.

  • Endotoxin
    Less than 0.01 EU per μg by the LAL method.
  • Host Cell Protein
    <0.5 ng/µg of protein tested by ELISA.
  • Host Cell DNA
    <0.02 ng/μg of protein tested by qPCR.
  • Sterility
    Negative
  • Mycoplasma
    Negative.
  • Purity

    >95% as determined by SDS-PAGE.

    >95% as determined by SEC-HPLC.

  • Formulation

    Lyophilized from 0.22 μm filtered solution in PBS, pH7.4 with trehalose as protectant.

    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.

    This product is stable after storage at:

    1. -20°C to -70°C for 12 months in lyophilized state;
    2. -70°C for 3 months under sterile conditions after reconstitution.
SDS-PAGE
IL-4 SDS-PAGE

Human IL-4, premium grade on SDS-PAGE under reducing (R) condition. The gel was stained with Coomassie Blue. The purity of the protein is greater than 95% (With Star Ribbon Pre-stained Protein Marker).

SEC-HPLC
IL-4 SEC-HPLC

The purity of Human IL-4, premium grade (Cat. No. IL4-H4218) was greater than 95% as determined by SEC-HPLC.

Bioactivity-Bioactivity CELL BASE
 IL-4 CELL

Human IL-4, premium grade (Cat. No. IL4-H4218) stimulates proliferation of TF-1 human erythroleukemic cell line. The specific activity of Human IL-4, premium grade is > 1.20×10^7 IU/mg, which is calibrated against human IL-4 WHO International Standard (NIBSC code: 88/656) (QC tested).

 IL-4 BATCH CELL BASE

Activity of three different production batches of Human IL-4 Protein, premium grade (Cat. No. IL4-H4218).

 IL-4 CELL

The activity of Human IL-4 Protein, premium grade (Cat. No. IL4-H4218) was higher than other competing products.

Bioactivity-ELISA
 IL-4 ELISA

Immobilized Human IL-4, premium grade (Cat. No. IL4-H4218) at 5 μg/mL (100 μL/well) can bind Human IL-4 R alpha, Fc Tag (Cat. No. ILR-H5253) with a linear range of 0.001-0.031 μg/mL (QC tested).

 IL-4 ELISA

Immobilized Human IL-4, premium grade (Cat. No. IL4-H4218) at 5 μg/mL (100 μL/well) can bind Biotinylated Human IL-4 R alpha, Fc,Avitag (Cat. No. ILR-H82F4) with a linear range of 0.008-0.125 μg/mL (Routinely tested).

Bioactivity-Stability
 IL-4 STABILITY

The Cell based assay shows batch-to-batch consistency between Acro's GMP and PG IL-4.

  • Background
    Interleukin-4, is a cytokine that induces differentiation of naive helper T cells (Th0 cells to Th2 cells). In the presence of IL-4 and IL-13, cytokines that are produced in a Th-2 type response, particularly during allergy and parasitic infections, macrophages become differentially activated, And this cytokine is a ligand for interleukin 4 receptor. The interleukin 4 receptor also binds to IL13, which may contribute to many overlapping functions of this cytokine and IL13. STAT6, a signal transducer and activator of transcription, has been shown to play a central role in mediating the immune regulatory signal of this cytokine. Recently, researcher found that the cytokine IL-4 plays a key role in development of innate CD8+ T cells in the thymus of several gene-deficient mouse strains, including Itk, KLF2, CBP and Id3, without previous exposure to antigen.
  • Clinical and Translational Updates

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재고상품 출발날짜: 영업일 기준 4일

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