Recombinant Mouse IL-2 Protein

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Recombinant Mouse IL-2 (Catalog # 402‑ML) stimulates cell proliferation of the CTLL‑2 mouse cytotoxic T cell line. The ED50 for this effect is 0.1‑0.4 ng/mL.
1 μg/lane of Recombinant Mouse IL-2 was resolved with SDS-PAGE under reducing (R) conditions and visualized by silver staining, showing a band(s) at 19 kDa.

Product Details

Summary
Reactivity MuSpecies Glossary
Applications Bioactivity

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Recombinant Mouse IL-2 Protein Summary

Details of Functionality
Measured in a cell proliferation assay using CTLL‑2 mouse cytotoxic T cells. Gearing, A.J.H. and C.B. Bird (1987) in Lymphokines and Interferons, A Practical Approach. Clemens, M.J. et al. (eds): IRL Press. 295. The ED50 for this effect is 0.1-0.4 ng/mL.
Source
E. coli-derived mouse IL-2 protein
Ala21-Gln169, with and without an N-terminal Met
Accession #
N-terminal Sequence
Ala21 & Met
Protein/Peptide Type
Recombinant Proteins
Gene
Il2
Purity
>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining
Endotoxin Note
<0.10 EU per 1 μg of the protein by the LAL method.

Applications/Dilutions

Dilutions
  • Bioactivity
Theoretical MW
17.2 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
402-ML 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 Sodium Citrate and Tween®-80 with BSA as a carrier protein.
Purity
>97%, by SDS-PAGE visualized with Silver Staining and quantitative densitometry by Coomassie® Blue Staining
Reconstitution Instructions
Reconstitute at 100-200 μg/mL in sterile PBS containing at least 0.1% human or bovine serum albumin.

Notes

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

Alternate Names for Recombinant Mouse IL-2 Protein

  • Aldesleukin
  • IL2
  • IL-2
  • IL-2lymphokine
  • interleukin 2
  • interleukin-2
  • involved in regulation of T-cell clonal expansion
  • Proleukin
  • T cell growth factor
  • T-cell growth factor
  • TCGF

Background

Interleukin‑2 (IL‑2) is a O‑glycosylated four alpha ‑helix bundle cytokine that has potent stimulatory activity for antigen‑activated T cells. It is expressed by CD4+ and CD8+ T cells, gamma δ T cells, B cells, dendritic cells, and eosinophils (1‑3). Mature mouse IL‑2 shares 56% and 73% aa sequence identity with human and rat IL‑2, respectively. It shows strain‑specific heterogeneity in an N‑terminal region that contains a poly‑glutamine stretch (4). Mouse and human IL‑2 exhibit cross‑species activity (5). The receptor for IL‑2 consists of three subunits that are present on the cell surface in varying preformed complexes (6‑8). The 55 kDa IL‑2 R alpha is specific for IL‑2 and binds with low affinity. The 75 kDa IL‑2 R beta , which is also a component of the IL‑15 receptor, binds IL‑2 with intermediate affinity. The 64 kDa common gamma chain gamma c/IL-2 R gamma , which is shared with the receptors for IL‑4, ‑7, ‑9, ‑15, and ‑21, does not independently interact with IL‑2. Upon ligand binding, signal transduction is performed by both IL‑2 R beta and gamma c. IL‑2 is best known for its autocrine and paracrine activity on T cells. It drives resting T cells to proliferate and induces IL‑2 and IL‑2 R alpha synthesis (1, 2). It contributes to T cell homeostasis by promoting the Fas‑induced death of naïve CD4+ T cells but not activated CD4+ memory lymphocytes (9). IL‑2 plays a central role in the expansion and maintenance of regulatory T cells, although it inhibits the development of Th17 polarized cells (10‑12). Thus, IL‑2 may be a key cytokine in the natural suppression of autoimmunity (13, 14).

  1. Ma, A. et al. (2006) Annu. Rev. Immunol. 24:657.
  2. Gaffen, S.L. and K.D. Liu (2004) Cytokine 28:109.
  3. Kashima, N. et al. (1985) Nature 313:402.
  4. Matesanz, F. et al. (1993) Immunogenetics 38:300.
  5. Mosmann, T.R. et al. (1987) J. Immunol. 138:1813.
  6. Liparoto, S.F. et al. (2002) Biochemistry 41:2543.
  7. Wang, X. et al. (2005) Science 310:1159.
  8. Bodnar, A. et al. (2008) Immunol. Lett. 116:117.
  9. Jaleco, S. et al. (2003) J. Immunol. 171:61.
  10. Malek, T.R. (2003) J. Leukoc. Biol. 74:961.
  11. Laurence, A. et al. (2007) Immunity 26:371.
  12. Kryczek, I. et al. (2007) J. Immunol. 178:6730.
  13. Afzali, B. et al. (2007) Clin. Exp. Immunol. 148:32.
  14. Fehervari, Z. et al. (2006) Trends Immunol. 27:109.

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Publications for IL-2 (402-ML)(280)

We have publications tested in 4 confirmed species: Human, Mouse, Primate - Macaca fascicularis (Crab-eating Monkey or Cynomolgus Macaque), Transgenic Mouse.

We have publications tested in 7 applications: Bioassay, Cell Culture, Differentiation, Flow Cytometry, In Vivo, In vivo assay, Stimulation.


Filter By Application
Bioassay
(248)
Cell Culture
(19)
Differentiation
(2)
Flow Cytometry
(1)
In Vivo
(8)
In vivo assay
(2)
Stimulation
(3)
All Applications
Filter By Species
Human
(8)
Mouse
(268)
Primate - Macaca fascicularis (Crab-eating Monkey or Cynomolgus Macaque)
(1)
Transgenic Mouse
(9)
All Species
Showing Publications 1 - 10 of 280. Show All 280 Publications.
Publications using 402-ML Applications Species
Fischer, C;Chen, SS;Nimmerfroh, J;Eugster, A;Stücheli, S;Schulthei beta , C;Widmer, C;Heim, D;Kasenda, B;Passweg, J;Kobold, S;Egli, L;Coianiz, N;Chijioke, O;Chiorazzi, N;Follo, M;Läubli, H;Peipp, M;Binder, M; IGLV3-21R110-directed bispecific antibodies activate T cells and promote killing in a high-risk subset of chronic lymphocytic leukemia Haematologica 2025-09-11 [PMID: 40931870] (In vivo assay, Mouse) In vivo assay Mouse
Xu, W;Li, S;Shan, X;Wang, Q;Chen, X;Wu, S;Gao, Y;Shan, D;Ding, S;Ren, W;Hou, X;Liu, S;Wang, T;Shen, Y;Niu, Z;Xu, H;Sun, L;Yue, W; Targeting tumor-associated CCR2+ macrophages to inhibit pancreatic cancer recurrence following irreversible electroporation Science advances 2025-07-25 [PMID: 40700478] (Bioassay, Mouse) Bioassay Mouse
Zhang, J;Cao, G;Li, F;Tang, S;Wu, C;Jiang, M;Ye, J;Ju, S;Qian, F;Ding, W; M6A-METTL3-dependent nuclear PANC754/PSPC1/H3K4me1 repression complex regulate immune evasive LGALS7 signal to enhance immunotherapy against colorectal cancer Cell death & disease 2025-07-09 [PMID: 40634299] (Bioassay, Mouse) Bioassay Mouse
Zhang, J;Tang, H;Wu, H;Pang, X;Jin, R;Zhang, Y; Thymic dendritic cell-derived IL-27p28 promotes the establishment of functional bias against IFN-? production in newly generated CD4+ T cells through STAT1-related epigenetic mechanisms eLife 2025-05-14 [PMID: 40366856] (Bioassay, Mouse) Bioassay Mouse
Wang, N;Li, D;Zhang, T;Pachai, MR;Cho, WH;Khudoynazarova, MN;Schoeps, DM;Bao, Y;Liu, M;Tang, L;Yelena, J;Chi, P;Chen, Y; Loss of Kmt2c / d promotes gastric cancer initiation and confers vulnerability to mTORC1 inhibition and anti-PD1 immunotherapy bioRxiv : the preprint server for biology 2025-04-01 [PMID: 40236091] (Bioassay, Mouse) Bioassay Mouse
Li, Y;Ascui, G;Dicker, M;Riffelmacher, T;Chandra, V;Schmiedel, B;Chou, TF;Vijayanand, P;Kronenberg, M; Crohn's Disease-associated variant in laccase domain containing 1 (LACC1) modulates T cell gene expression, metabolism and T cell function Nature communications 2025-03-15 [PMID: 40089498] (Bioassay, Mouse) Bioassay Mouse
Bréart, B;Williams, K;Krimm, S;Wong, T;Kayser, BD;Wang, L;Cheng, E;Cruz Tleugabulova, M;Bouziat, R;Lu, T;Yuen, K;Firmino, NS;Bravo, DD;Roels, J;Bhakta, A;Bevers, J;Lehoux, I;Gutierrez, A;Chestnut, Y;Klementowicz, JE;Arenzana, TL;Akhmetzyanova, I;Dixon, E;Chen, M;Tasneem, K;Yadav, R;Koeppen, H;Oh, SA;Delamarre, L;Huang, H;Lim, SA;Nakamura, G;Wang, J;Gao, C;Corpuz, R;Müller, S;West, NR; IL-27 elicits a cytotoxic CD8+ T cell program to enforce tumour control Nature 2025-02-05 [PMID: 39910298] (Bioassay, Mouse, Transgenic Mouse) Bioassay Mouse, Transgenic Mouse
Mao, M;Yuan, Y;Li, R;Kuang, Y;Lu, Y;Zhu, W;Chen, W; Modulation of gut propionate and intestinal mucosal protection by Bifidobacterium longum: Mitigating methotrexate side effects without compromising the efficacy of psoriasis therapy International immunopharmacology 2025-02-03 [PMID: 39904035] (Bioassay, Mouse) Bioassay Mouse
Zotta, A;Toller-Kawahisa, J;Palsson-McDermott, EM;O'Carroll, SM;Henry, ÓC;Day, EA;McGettrick, AF;Ward, RW;Ryan, DG;Watson, MA;Brand, MD;Runtsch, MC;Maitz, K;Lueger, A;Kargl, J;Miljkovic, JL;Lavelle, EC;O'Neill, LAJ; Mitochondrial respiratory complex III sustains IL-10 production in activated macrophages and promotes tumor-mediated immune evasion Science advances 2025-01-24 [PMID: 39841829] (Bioassay, Mouse) Bioassay Mouse
Xie, Y;Liu, Y;Lin, M;Li, Z;Shen, Z;Yin, S;Zheng, Y;Zou, Y;Zhang, Y;Zhan, Y;Fang, Y;Ding, Y; Targeting ATM enhances radiation sensitivity of colorectal cancer by potentiating radiation-induced cell death and antitumor immunity Journal of advanced research 2024-12-19 [PMID: 39708961] (Bioassay, Mouse) Bioassay Mouse
Show All 280 Publications.

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Bioinformatics

Gene Symbol Il2
Uniprot