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 Bioactivity
Format
Carrier-Free

Order Details

Recombinant Human IL-3 Protein, CF Summary

Additional Information
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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 human IL-3 protein
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
  • MCGF
  • 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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203-IL/CF
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Applications: Bioactivity

Publications for IL-3 (203-IL/CF)(144)

We have publications tested in 6 confirmed species: Human, Mouse, Porcine, Primate - Macaca fascicularis (Crab-eating Monkey or Cynomolgus Macaque), Primate - Macaca mulatta (Rhesus Macaque), Xenograft.

We have publications tested in 4 applications: Bioassay, Cell Culture, Differentiation, In Vivo.


Filter By Application
Bioassay
(132)
Cell Culture
(9)
Differentiation
(1)
In Vivo
(1)
All Applications
Filter By Species
Human
(135)
Mouse
(5)
Porcine
(1)
Primate - Macaca fascicularis (Crab-eating Monkey or Cynomolgus Macaque)
(1)
Primate - Macaca mulatta (Rhesus Macaque)
(1)
Xenograft
(1)
All Species
Showing Publications 1 - 10 of 144. Show All 144 Publications.
Publications using 203-IL/CF Applications Species
MAE Rab, BA van Oirsch, PA Kosinski, J Hixon, K Johnson, V Chubukov, L Dang, G Pasterkamp, S van Straat, WW van Soling, EJ van Beers, C Kung, R van Wijk AG-348 (Mitapivat), an allosteric activator of red blood cell pyruvate kinase, increases enzymatic activity, protein stability, and ATP levels over a broad range of PKLR genotypes Haematologica, 2020;0(0):. 2020 [PMID: 31974203] (Cell Culture, Human) Cell Culture Human
R Leylek, M Alcántara-, Z Lanzar, A Lüdtke, OA Perez, B Reizis, J Idoyaga Integrated Cross-Species Analysis Identifies a Conserved Transitional Dendritic Cell Population Cell Rep, 2019;29(11):3736-3750.e8. 2019 [PMID: 31825848] (Cell Culture, Human) Cell Culture Human
VA Balaji Rag, M Anwar, MZ Akhter, A Chavez, Y Mao, V Natarajan, S Lakshmikan, M Chrzanowsk, AZ Dudek, L Claesson-W, JK Kitajewski, KK Wary, AB Malik, D Mehta Sphingosine-1-Phosphate Receptor 1 Activity Promotes Tumor Growth by Amplifying VEGF-VEGFR2 Angiogenic Signaling Cell Rep, 2019;29(11):3472-3487.e4. 2019 [PMID: 31825830] (Human) Human
AT Stefka, D Johnson, S Rosebeck, JH Park, Y Nakamura, AJ Jakubowiak Potent anti-myeloma activity of the TOPK inhibitor OTS514 in pre-clinical models Cancer Med, 2019;0(0):. 2019 [PMID: 31714026] (Cell Culture, Human) Cell Culture Human
JP Ruiz, G Chen, JJ Haro Mora, K Keyvanfar, C Liu, J Zou, J Beers, H Bloomer, H Qanash, N Uchida, JF Tisdale, M Boehm, A Larochelle Robust generation of erythroid and multilineage hematopoietic progenitors from human iPSCs using a scalable monolayer culture system Stem Cell Res, 2019;41(0):101600. 2019 [PMID: 31710911] (Cell Culture, Mouse) Cell Culture Mouse
J Grajcarek, J Monlong, Y Nishinaka-, M Nakamura, M Nagai, S Matsuo, D Lougheed, H Sakurai, MK Saito, G Bourque, K Woltjen Genome-wide microhomologies enable precise template-free editing of biologically relevant deletion mutations Nat Commun, 2019;10(1):4856. 2019 [PMID: 31649251] (Bioassay, Human) Bioassay Human
WR Proto, SV Siegel, S Dankwa, W Liu, A Kemp, S Marsden, ZA Zenonos, S Unwin, PM Sharp, GJ Wright, BH Hahn, MT Duraisingh, JC Rayner Adaptation of Plasmodium falciparum to humans involved the loss of an ape-specific erythrocyte invasion ligand Nat Commun, 2019;10(1):4512. 2019 [PMID: 31586047] (Cell Culture, Human) Cell Culture Human
N Uchida, MM Hsieh, L Raines, JJ Haro-Mora, S Demirci, AC Bonifacino, AE Krouse, ME Metzger, RE Donahue, JF Tisdale Development of a forward-oriented therapeutic lentiviral vector for hemoglobin disorders Nat Commun, 2019;10(1):4479. 2019 [PMID: 31578323] (Cell Culture, Human) Cell Culture Human
M Ly, S Rentas, A Vujovic, N Wong, S Moreira, J Xu, N Holzapfel, S Bhatia, D Tran, MD Minden, JS Draper, KJ Hope Diminished AHR signaling drives human acute myeloid leukemia stem cell maintenance Cancer Res., 2019;0(0):. 2019 [PMID: 31519687] (Bioassay, Human) Bioassay Human
MD McKenzie, M Ghisi, EP Oxley, S Ngo, L Cimmino, C Esnault, R Liu, JM Salmon, CC Bell, N Ahmed, M Erlichster, MT Witkowski, GJ Liu, M Chopin, A Dakic, E Simankowic, G Pomilio, T Vu, P Krsmanovic, S Su, L Tian, TM Baldwin, DA Zalcenstei, L DiRago, S Wang, D Metcalf, RW Johnstone, BA Croker, GI Lancaster, AJ Murphy, SH Naik, SL Nutt, V Pospisil, T Schroeder, M Wall, MA Dawson, AH Wei, H de Thé, ME Ritchie, J Zuber, RA Dickins Interconversion between Tumorigenic and Differentiated States in Acute Myeloid Leukemia Cell Stem Cell, 2019;25(2):258-272.e9. 2019 [PMID: 31374198] (Cell Culture, Human) Cell Culture Human
Show All 144 Publications.

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Bioinformatics

Gene Symbol IL3
Uniprot