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

HumanKine® recombinant human IL-3 protein


Typically ≤ 2 ng/mL EC50

Species Reactivity




Cat no : HZ-1074


Hematopoietic growth factor, IL 3, IL3, IL-3, Interleukin 3, Mast cell growth factor, MCGF, MULTI CSF, P cell stimulating factor

Technical Specifications

GeneID 3562
Species human
Expression HEK293
Activity Typically ≤ 2 ng/mL EC50
Purity >95%
Molecular Mass 17 to 40 kDa, monomer, glycosylated
Formulation 1xPBS, 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 I xPBS.


Interleukin-3 (IL-3) is a multilineage hematopoietic growth factor that promotes the proliferation, differentiation and survival of early multilineage hematopoietic progenitors. In particular, this cytokine plays a key role in stimulating the proliferation and survival of myeloid precursors. It is involved in a variety of cell activities such as cell growth, differentiation and apoptosis. This cytokine has been shown to also possess neurotrophic activity, and it may be associated with neurologic disorders (PMID: 24103757;2698876;2809196)


Hematopoietic growth factor, IL 3, IL3, IL-3, Interleukin 3, Mast cell growth factor, MCGF, MULTI CSF, P cell stimulating factor




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