Recombinant Mouse IL-23 Protein, CF


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Recombinant Mouse IL-23 Protein, CF Summary

Details of Functionality
Measured by its ability to induce IL-17 secretion by mouse splenocytes. Aggarwal, S. et al. (2003) J. Biol. Chem. 278:1910. The ED50 for this effect is 0.05-0.25 ng/mL.
Spodoptera frugiperda, Sf 21 (stably transfected)-derived mouse IL-23 protein
Mouse IL-23 p40
Accession # P43432
Accession # Q9EQ14
N-terminus C-terminus
Accession #
N-terminal Sequence
Protein/Peptide Type
Recombinant Proteins
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Endotoxin Note
<1.0 EU per 1 μg of the protein by the LAL method.


Theoretical MW
57 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.
(58-71) kDa, non-reducing conditions
Read Publications using
1887-ML/CF in the following applications:

Packaging, Storage & Formulations

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.
Lyophilized from a 0.2 μm filtered solution in PBS.
>95%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining.
Reconstitution Instructions
Reconstitute at 100 μg/mL in sterile PBS.


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

Alternate Names for Recombinant Mouse IL-23 Protein, CF

  • IL-23 p19/IL-12 p40
  • IL23
  • IL-23
  • IL-23A
  • IL-23-A
  • IL-23p19
  • IL-23p19/IL-12p40
  • IL23P19P19
  • interleukin 23 p19 subunit
  • interleukin 23, alpha subunit p19
  • interleukin-23 subunit alpha
  • Interleukin-23 subunit p19
  • JKA3 induced upon T-cell activation
  • MGC79388
  • SGRF
  • SGRFIL-23 subunit alpha


Interleukin 23 (IL-23) is a heterodimeric cytokine composed of two disulfide-linked subunits, a p19 subunit that is unique to IL-23, and a p40 subunit that is shared with IL-12 (1-5). The p19 subunit has homology to the p35 subunit of IL-12, as well as to other single chain cytokines such as IL-6 and IL-11. The p40 subunit is homologous to the extracellular domains of the hematopoietic cytokine receptors. Mouse p19 cDNA encodes a 196 amino acid residue (aa) precursor protein with a putative 19 aa signal peptide and 177 aa mature protein. Human and mouse p19 share 70% aa sequence identity. Although p19 is expressed by activated macrophages, dendritic cells, T cells, and endothelial cells, only activated macrophages and dendritic cells express p40 concurrently to produce IL-23. The functional IL-23 receptor complex consists of two receptor subunits, the IL-12 receptor beta 1 subunit (IL-12 R beta 1) and the IL-23-specific receptor subunit (IL-23 R). IL-23 has biological activities that are similar to, but distinct from IL-12. Both IL-12 and IL-23 induce proliferation and IFN-gamma production by human T cells. While IL-12 acts on both naïve and memory human Tnbsp;cells, the effects of IL-23 is restricted to memory T cells. In mouse, IL-23 but not IL-12, has also been shown to induce memory T cells to secret IL-17, a potent proinflammatory cytokine. IL-12 and IL-23 can induce IL-12 production from mouse splenic DC of both the CD8- and CD8+ subtypes, however only IL-23 can act directly on CD8+ DC to mediate immunogenic presentation of poorly immunogenic tumor/self peptide.
  1. Oppmann, B. et al. (2000) Immunity 13:715.
  2. Lankford, C.S. and D.M. Frucht (2003) J. Leukoc. Biol. 73:49.
  3. Parham, C. et al. (2002) J. Immunol. 168:5699.
  4. Belladonna, M.L. et al. (2002) J. Immunol. 168:5448.
  5. Aggarwal, S. et al. (2003) J. Biol. Chem. 278:1910.

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Publications for IL-23A/IL-23 P19 (1887-ML/CF)(149)

We have publications tested in 1 confirmed species: Mouse.

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

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Showing Publications 1 - 10 of 149. Show All 149 Publications.
Publications using 1887-ML/CF Applications Species
PMIA Doss, M Umair, J Baillargeo, R Fazazi, N Fudge, I Akbar, AP Yeola, JB Williams, M Leclercq, C Joly-Beaup, P Beauchemin, GF Ruda, M Alpaugh, AC Anderson, PE Brennan, A Droit, H Lassmann, CS Moore, M Rangachari Male sex chromosomal complement exacerbates the pathogenicity of Th17 cells in a chronic model of central nervous system autoimmunity Cell Reports, 2021;34(10):108833. 2021 [PMID: 33691111] (Bioassay, Mouse) Bioassay Mouse
H Zhang, A Madi, N Yosef, N Chihara, A Awasthi, C Pot, C Lambden, A Srivastava, PR Burkett, J Nyman, E Christian, Y Etminan, A Lee, H Stroh, J Xia, K Karwacz, PI Thakore, N Acharya, A Schnell, C Wang, L Apetoh, O Rozenblatt, AC Anderson, A Regev, VK Kuchroo An IL-27-Driven Transcriptional Network Identifies Regulators of IL-10 Expression across T Helper Cell Subsets Cell Rep, 2020;33(8):108433. 2020 [PMID: 33238123] (Cell Culture, Mouse) Cell Culture Mouse
R Kajino-Sak, T Fujishita, MM Taketo, M Aoki Synthetic lethality between MyD88 loss and mutations in Wnt/&amp;beta-catenin pathway in intestinal tumor epithelial cells Oncogene, 2020;0(0):. 2020 [PMID: 33177648] (Bioassay, Mouse) Bioassay Mouse
I Mizoguchi, M Ohashi, H Hasegawa, Y Chiba, N Orii, S Inoue, C Kawana, M Xu, K Sudo, K Fujita, M Kuroda, SI Hashimoto, K Matsushima, T Yoshimoto EBV-induced gene 3 augments IL-23R&amp;alpha protein expression through a chaperone calnexin J. Clin. Invest., 2020;0(0):. 2020 [PMID: 32809973] (Bioassay, Mouse) Bioassay Mouse
KM Lee, Z Zhang, A Achuthan, AJ Fleetwood, JE Smith, JA Hamilton, AD Cook IL-23 in arthritic and inflammatory pain development in mice Arthritis Res. Ther., 2020;22(1):123. 2020 [PMID: 32471485] (In Vivo, Mouse) In Vivo Mouse
AE Morelli, TL Sumpter, DM Rojas-Cana, M Bandyopadh, Z Chen, O Tkacheva, WJ Shufesky, CT Wallace, SC Watkins, A Berger, CJ Paige, LD Falo, AT Larregina Neurokinin-1 Receptor Signaling Is Required for Efficient Ca2+ Flux in T-Cell-Receptor-Activated T Cells Cell Rep, 2020;30(10):3448-3465.e8. 2020 [PMID: 32160549] (Bioassay, Mouse) Bioassay Mouse
A Singh, M Dashnyam, B Chim, TM Escobar, AE Dulcey, X Hu, KM Wilson, PP Koganti, CA Spinner, X Xu, A Jadhav, N Southall, J Marugan, V Selvaraj, V Lazarevic, SA Muljo, M Ferrer Anxiolytic Drug FGIN-1-27 Ameliorates Autoimmunity by Metabolic Reprogramming of Pathogenic Th17 Cells Sci Rep, 2020;10(1):3766. 2020 [PMID: 32111885] (Cell Culture, Mouse) Cell Culture Mouse
D Liu, S Xing, W Wang, X Huang, H Lin, Y Chen, K Lan, L Chen, F Luo, S Qin, R Liang, C Bai, J Xu, W Liu Prognostic value of serum soluble interleukin-23 receptor and related T-helper 17 cell cytokines in non-small cell lung carcinoma Cancer Sci., 2020;111(4):1093-1102. 2020 [PMID: 32020720] (ELISA Developmet) ELISA Developmet
I Raphael, F Gomez-Rive, RA Raphael, RR Robinson, S Nalawade, TG Forsthuber TNFR2 limits proinflammatory astrocyte functions during EAE induced by pathogenic DR2b-restricted T cells JCI Insight, 2019;4(24):. 2019 [PMID: 31852844] (Cell Culture, Mouse) Cell Culture Mouse
HG Lee, LK Kim, JM Choi NFAT-Specific Inhibition by dNP2-VIVITAmeliorates Autoimmune Encephalomyelitisby Regulation of Th1 and Th17 Mol Ther Methods Clin Dev, 2020;16(0):32-41. 2020 [PMID: 31737742] (Cell Culture, Mouse) Cell Culture Mouse
Show All 149 Publications.

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Gene Symbol Il23a