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Host
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Species Reactivity
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Species Reactivity
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Conjugate
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Conjugate
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Compatible Species
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Conjugate
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Target

Host

Species Reactivity

Species Reactivity

Conjugate

Conjugate

  • HEK293 expressed
  • Endotoxin-free
  • Animal-component free

HumanKine® recombinant human IL-5 protein

Activity

0.2-0.9 ng/mL EC50

Specific Activity

≥ 5.0 x 106 IU/mg

Species Reactivity

human

Purity

>95%

Cat no : HZ-1324

Synonyms

IL5, IL 5, IL-5T-cell replacing factor, interleukin 5, interleukin-5, EDF, Eo-CSF, Eosinophil differentiation factor, BCDF mu, B-cell differentiation factor I, BCGFII, TRF, TRFB cell differentiation factor

Validation Data Gallery

  • Purity of recombinant human IL-5 was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue

    Purity of recombinant human IL-5 was determined by SDS- polyacrylamide gel electrophoresis. The protein was resolved in an SDS- polyacrylamide gel in reducing and non-reducing conditions and stained using Coomassie blue

  • Recombinant human IL-5 (HZ-1324) stimulates dose-dependent proliferation of the TF-1 human erythroleukemic indicator cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. TF-1 cells were treated with increasing concentrations of recombinant IL-5 for 120 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.2-0.9 ng/mL.

    Recombinant human IL-5 (HZ-1324) stimulates dose-dependent proliferation of the TF-1 human erythroleukemic indicator cell line. Cell number was quantitatively assessed by PrestoBlue® cell viability reagent. TF-1 cells were treated with increasing concentrations of recombinant IL-5 for 120 hours. The EC50 was determined using a 4-parameter non-linear regression model. The EC50 range is 0.2-0.9 ng/mL.

Technical Specifications

GeneID 3567
Species Human
Expression HEK293
Activity 0.2-0.9 ng/mL EC50
Specific Activity≥ 5.0 x 106 IU/mg
Purity >95%
Endotoxin<0.1 EU/µg
Accession NumberP05113
Molecular Mass 19 to 21 kDa reduced, 35 to 40 kDa non-reduced, disulfide linked homodimer, glycosylated
Formulation 1x PBS, See Certificate of Analysis for details
Species Reactivity human

Stability and Reconstitution

Stability and Storage Lyophilized proteins are stable for 1 year from the date of receipt if stored between (-20°C) and (-80°C). Upon reconstitution we recommend that the solution can be stored at (4°C) for short term or at (-20°C) to (-80°C) for long term. Repeated freeze thaw cycles should be avoided with reconstituted products.
Reconstitution Briefly centrifuge the vial before opening. It is recommended to reconstitute the protein in sterile 1xPBS pH 7.4 containing 0.1% endotoxin-free recombinant human serum albumin (HSA).

Background

IL-5 is a 4-α-helix, pleiotropic cytokine that regulates the activities of B cells, eosinophils, and basophils. It is produced mostly by CD4+ T cells, eosinophils, and basophils, and signals through its specific receptor (IL-5R) on target cells to activate downstream JAK/STAT, Btk, and Ras/ERk pathways. Due to its pleiotropic effects, IL-5 plays a role in both innate and adaptive immune responses. It is a strong promoter of eosinophil differentiation, migration, maturation, and survival. Additionally, IL-5 is also capable of stimulating activated B cells to differentiate into antibody-secreting cells. Elevated IL-5 levels are strongly correlated with eosinophilia, which is a hallmark feature of allergy, asthma, and hypersensitivity (PMID: 21986312, 22174445, 19819937, 16895557)

Synonyms

IL5, IL 5, IL-5T-cell replacing factor, interleukin 5, interleukin-5, EDF, Eo-CSF, Eosinophil differentiation factor, BCDF mu, B-cell differentiation factor I, BCGFII, TRF, TRFB cell differentiation factor