Recombinant Human IL-3 Protein, CF

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1 μg/lane of Recombinant Human IL-3 was resolved with SDS-PAGE under reducing (R) conditions and visualized by silver staining, showing a single band at 14 kDa.
Recombinant Human IL-3 (Catalog #203‑IL/CF) stimulates cell proliferation of the TF-1 human erythroleukemic cell line. The ED50 for this effect is 0.02‑0.1 ng/mL.

Product Details

Summary
Reactivity HuSpecies Glossary
Applications BA
Format
Carrier-Free

Order Details

Recombinant Human IL-3 Protein, CF Summary

Details of Functionality
Measured in a cell proliferation assay using TF‑1 human erythroleukemic cells. Kitamura, T. et al. (1989) J. Cell Physiol. 140:323. The ED50 for this effect is 0.02-0.1 ng/mL.
The specific activity of Recombinant Human IL-3 is approximately 1.8 x 103 IU/μg, which is calibrated against recombinant human IL-3 WHO International Standard (NIBSC code: 91/510).
Source
E. coli-derived
Ala20-Phe152, with and without an N-terminal Met
Accession #
N-terminal Sequence
Ala20 and Met
Protein/Peptide Type
Recombinant Proteins
Gene
IL3
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Theoretical MW
15 kDa.
Disclaimer note: The observed molecular weight of the protein may vary from the listed predicted molecular weight due to post translational modifications, post translation cleavages, relative charges, and other experimental factors.
Publications
Read Publications using
203-IL/CF in the following applications:

Packaging, Storage & Formulations

Storage
Use a manual defrost freezer and avoid repeated freeze-thaw cycles.
  • 12 months from date of receipt, -20 to -70 °C as supplied.
  • 1 month, 2 to 8 °C under sterile conditions after reconstitution.
  • 3 months, -20 to -70 °C under sterile conditions after reconstitution.
Buffer
Lyophilized from a 0.2 μm filtered solution in PBS.
Purity
>97%, by SDS-PAGE under reducing conditions and visualized by silver stain.
Reconstitution Instructions
Reconstitute at 100 μg/mL in sterile PBS.

Notes

This product is produced by and ships from R&D Systems, Inc., a Bio-Techne brand.

Alternate Names for Recombinant Human IL-3 Protein, CF

  • Hematopoietic growth factor
  • IL3
  • IL-3
  • IL-3MGC79398
  • interleukin 3 (colony-stimulating factor, multiple)
  • interleukin-3
  • Mast cell growth factor
  • mast-cell growth factor
  • MCGFMGC79399
  • MULTI-CSF
  • multilineage-colony-stimulating factor
  • Multipotential colony-stimulating factor
  • P-cell stimulating factor
  • P-cell-stimulating factor

Background

Interleukin 3 is a pleiotropic factor produced primarily by activated T cells that can stimulate the proliferation and differentiation of pluripotent hematopoietic stem cells as well as various lineage committed progenitors. In addition, IL-3 also affects the functional activity of mature mast cells, basophils, eosinophils and macrophages. Because of its multiple functions and targets, it was originally studied under different names, including mast cell growth factor, P-cell stimulating factor, burst promoting activity, multi-colony stimulating factor, thy-1 inducing factor and WEHI-3 growth factor. In addition to activated T cells, other cell types such as human thymic epithelial cells, activated murine mast cells, murine keratinocytes and neurons/astrocytes can also produce IL-3. At the amino acid sequence level, mature human and murine IL-3 share only 29% sequence identity. Consistent with this lack of homology, IL-3 activity is highly species-specific and human IL-3 does not show activity on murine cells.

IL-3 exerts its biological activities through binding to specific cell surface receptors. The high affinity receptor responsible for IL-3 signaling is composed of at least two subunits, an IL-3 specific alpha chain which binds IL-3 with low affinity and a common beta chain that is shared by the IL-5 and GM-CSF high-affinity receptors. Although the beta chain itself does not bind IL-3, it confers high-affinity IL-3 binding in the presence of the  alpha chain. Receptors for IL-3 are present on bone marrow progenitors, macrophages, mast cells, eosinophils, megakaryocytes, basophils and various myeloid leukemic cells.

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Publications for (100)

We have publications tested in 5 confirmed species: Human, Mouse, Porcine, Primate - Macaca fascicularis (Crab-eating Monkey or Cynomolgus Macaque), Primate - Macaca mulatta (Rhesus Macaque).

We have publications tested in 2 applications: Bioassay, Cell Culture Substrate.


Filter By Application
Bioassay
(99)
Cell Culture Substrate
(1)
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Human
(95)
Mouse
(2)
Porcine
(1)
Primate - Macaca fascicularis (Crab-eating Monkey or Cynomolgus Macaque)
(1)
Primate - Macaca mulatta (Rhesus Macaque)
(1)
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Showing Publications 1 - 10 of 100. Show All 100 Publications.
Publications using 203-IL/CF Applications Species
NJ Palpant, Y Wang, B Hadland, RJ Zaunbreche, M Redd, D Jones, L Pabon, R Jain, J Epstein, WL Ruzzo, Y Zheng, I Bernstein, A Margolin, CE Murry Chromatin and Transcriptional Analysis of Mesoderm Progenitor Cells Identifies HOPX as a Regulator of Primitive Hematopoiesis Cell Rep, 2017;20(7):1597-1608. 2017 [PMID: 28813672] (Bioassay, Human) Bioassay Human
L Butcher, M Ahluwalia, T Örd, J Johnston, RH Morris, E Kiss-Toth, T Örd, JD Erusalimsk Evidence for a role of TRIB3 in the regulation of megakaryocytopoiesis Sci Rep, 2017;7(1):6684. 2017 [PMID: 28751721] (Bioassay, Human) Bioassay Human
E Varga, C Nemes, I Bock, Z Táncos, S Berzsenyi, G Lévay, V Román, J Kobolák, A Dinnyés Establishment of an induced pluripotent stem cell (iPSC) line from a 9-year old male with autism spectrum disorder (ASD) Stem Cell Res, 2017;21(0):19-22. 2017 [PMID: 28677532] (Bioassay, Human) Bioassay Human
H Zhao, S Gulesseria, SK Ganesan, J Ou, K Morrison, Z Zeng, V Robles, J Snyder, L Do, H Aviña, S Karki, DR Stover, F Doñate Inhibition of Megakaryocyte Differentiation by Antibody-Drug Conjugates (ADCs) is Mediated by Macropinocytosis: Implications for ADC Induced Thrombocytopenia Mol. Cancer Ther., 2017;0(0):. 2017 [PMID: 28655784] (Bioassay, Human) Bioassay Human
J Huang, A Khan, BC Au, DL Barber, L López-Vásq, NL Prokopishy, M Boutin, M Rothe, JW Rip, M Abaoui, MS Nagree, S Dworski, A Schambach, A Keating, ML West, J Klassen, PV Turner, S Sirrs, CA Rupar, C Auray-Blai, R Foley, JA Medin Lentivector Iterations and Pre-Clinical Scale-Up/Toxicity Testing: Targeting Mobilized CD34(+) Cells for Correction of Fabry Disease Mol Ther Methods Clin Dev, 2017;5(0):241-258. 2017 [PMID: 28603745] (Bioassay, Human) Bioassay Human
N Rahman, PM Brauer, L Ho, T Usenko, M Tewary, JC Zúñiga-Pfl, PW Zandstra Engineering the haemogenic niche mitigates endogenous inhibitory signals and controls pluripotent stem cell-derived blood emergence Nat Commun, 2017;8(0):15380. 2017 [PMID: 28541275] (Bioassay, Human) Bioassay Human
H Zhao, S Gulesseria, MC Malinao, S Kumar-Gane, J Song, MS Chang, MM Williams, Z Zeng, M Mattie, BA Mendelsohn, DR Stover, F Doñate A Potential Mechanism for ADC-Induced Neutropenia: Role of Neutrophils in Their Own Demise Mol. Cancer Ther., 2017;0(0):. 2017 [PMID: 28522588] (Bioassay, Human) Bioassay Human
JH Lee, S Laronde, TJ Collins, Z Shapovalov, B Tanasijevi, JD McNicol, A Fiebig-Com, YD Benoit, JB Lee, RR Mitchell, M Bhatia Lineage-Specific Differentiation Is Influenced by State of Human Pluripotency Cell Rep, 2017;19(1):20-35. 2017 [PMID: 28380358] (Bioassay, Human) Bioassay Human
K Trakarnsan, RE Griffiths, MC Wilson, A Blair, TJ Satchwell, M Meinders, N Cogan, S Kupzig, R Kurita, Y Nakamura, AM Toye, DJ Anstee, J Frayne An immortalized adult human erythroid line facilitates sustainable and scalable generation of functional red cells Nat Commun, 2017;8(0):14750. 2017 [PMID: 28290447] (Bioassay, Human) Bioassay Human
E Schuh, A Musumeci, FS Thaler, S Laurent, JW Ellwart, R Hohlfeld, A Krug, E Meinl Human Plasmacytoid Dendritic Cells Display and Shed B Cell Maturation Antigen upon TLR Engagement J. Immunol, 2017;0(0):. 2017 [PMID: 28283566] (Bioassay, Human) Bioassay Human
Show All 100 Publications.

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Bioinformatics

Gene Symbol IL3
Entrez
Uniprot