Date published: 2025-10-9

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IL-2 Antibody (F-5): sc-133118

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Datasheets
  • IL-2 Antibody (F-5) is a mouse monoclonal IgG1 λ IL-2 antibody, cited in 5 publications, provided at 200 µg/ml
  • raised against amino acids 21-153 of IL-2 of human origin
  • IL-2 Antibody (F-5) is recommended for detection of IL-2 of mouse, rat and human origin by WB, IP, IF and ELISA
  • Anti-IL-2 Antibody (F-5) is available conjugated to agarose for IP; HRP for WB, IHC(P) and ELISA; and to either phycoerythrin or FITC for IF, IHC(P) and FCM
  • also available conjugated to Alexa Fluor® 488, Alexa Fluor® 546, Alexa Fluor® 594 or Alexa Fluor® 647 for WB (RGB), IF, IHC(P) and FCM, and for use with RGB fluorescent imaging systems, such as iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • also available conjugated to Alexa Fluor® 680 or Alexa Fluor® 790 for WB (NIR), IF and FCM; for use with Near-Infrared (NIR) detection systems, such as LI-COR®Odyssey®, iBright™ FL1000, FluorChem™, Typhoon, Azure and other comparable systems
  • m-IgG Fc BP-HRP and m-IgG1 BP-HRP are the preferred secondary detection reagents for IL-2 Antibody (F-5) for WB applications. These reagents are now offered in bundles with IL-2 Antibody (F-5) (see ordering information below).

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IL-2 Antibody (F-5) is a mouse monoclonal IgG1 antibody that detects IL-2 protein of mouse, rat, and human origin by western blotting (WB), immunoprecipitation (IP), immunofluorescence (IF), and enzyme-linked immunosorbent assay (ELISA). IL-2 (F-5) antibody is available in both non-conjugated and various conjugated forms, including agarose, horseradish peroxidase (HRP), phycoerythrin (PE), fluorescein isothiocyanate (FITC), and multiple Alexa Fluor® conjugates. IL-2 protein plays a crucial role in the immune response, primarily functioning as a growth factor for T cells, which are essential for adaptive immunity. Secreted mainly by activated helper T cells, IL-2 promotes the proliferation and differentiation of T cells, thereby enhancing the immune system′s ability to respond to pathogens. Additionally, IL-2 acts on B cells, supporting their growth and function, which is vital for antibody production. IL-2 regulation is complex, involving multiple signaling pathways, including the c-Fos/c-Jun induction pathway, the c-Myc induction pathway, and the Rapamycin-sensitive pathway, all of which contribute to the survival and proliferation of immune cells. Furthermore, transcription factor NFAT is integral to IL-2 transcription regulation, and NFAT activity has been linked to age-related declines in IL-2 expression, highlighting IL-2′s importance in maintaining immune function throughout life.

For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.

Alexa Fluor® is a trademark of Molecular Probes Inc., OR., USA

LI-COR® and Odyssey® are registered trademarks of LI-COR Biosciences

IL-2 Antibody (F-5) References:

  1. Association of STAT1, STAT3 and STAT5 proteins with the IL-2 receptor involves different subdomains of the IL-2 receptor beta chain.  |  Delespine-Carmagnat, M., et al. 2000. Eur J Immunol. 30: 59-68. PMID: 10602027
  2. Strategies for improving antitumor activity utilizing IL-2: preclinical models and analysis of antitumor activity of lymphocytes from patients receiving IL-2.  |  Albertini, MR., et al. 1992. Biotherapy. 4: 189-98. PMID: 1599802
  3. Biological significance of soluble IL-2 receptor.  |  Caruso, C., et al. 1993. Mediators Inflamm. 2: 3-21. PMID: 18475497
  4. Esculetin inhibits T cell activation without suppressing IL-2 production or IL-2 receptor expression.  |  Kabelitz, D. and Al-Gorany, KH. 1989. Immunol Lett. 20: 241-5. PMID: 2654016
  5. Activation of eosinophils in cancer patients treated with IL-2 and IL-2-generated lymphokine-activated killer cells.  |  Silberstein, DS., et al. 1989. J Immunol. 142: 2162-7. PMID: 2784151
  6. Internalization of interleukin 2 (IL-2) by high affinity IL-2 receptors is required for the growth of IL-2-dependent T cell lines.  |  Kumar, A., et al. 1987. J Immunol. 139: 3680-4. PMID: 3119713
  7. Binding characteristics of a monoclonal antibody against human IL-2 and its application for IL-2 measurement.  |  Brandt, E., et al. 1986. Lymphokine Res. 5 Suppl 1: S35-42. PMID: 3491262
  8. Mechanisms of dichotomous action of IL-2-Pseudomonas exotoxin 40 (IL-2-PE40) on cell-mediated and humoral immune response.  |  Volk, HD., et al. 1994. J Immunol. 153: 2497-505. PMID: 8077661
  9. Unexpected effects of the IL-2 receptor alpha subunit on high affinity IL-2 receptor assembly and function detected with a mutant IL-2 analog.  |  Kuziel, WA., et al. 1993. J Immunol. 150: 3357-65. PMID: 8468475
  10. Locoregional IL-2 immunotherapy of bladder cancer.  |  Santoni, A., et al. 1997. Immunopharmacol Immunotoxicol. 19: 1-13. PMID: 9049656

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

IL-2 Antibody (F-5)

sc-133118
200 µg/ml
$316.00

IL-2 Antibody (F-5): m-IgG Fc BP-HRP Bundle

sc-527093
200 µg Ab; 10 µg BP
$354.00

IL-2 Antibody (F-5): m-IgG1 BP-HRP Bundle

sc-532466
200 µg Ab; 20 µg BP
$354.00

IL-2 Antibody (F-5) AC

sc-133118 AC
500 µg/ml, 25% agarose
$416.00

IL-2 Antibody (F-5) HRP

sc-133118 HRP
200 µg/ml
$316.00

IL-2 Antibody (F-5) FITC

sc-133118 FITC
200 µg/ml
$330.00

IL-2 Antibody (F-5) PE

sc-133118 PE
200 µg/ml
$343.00

IL-2 Antibody (F-5) Alexa Fluor® 488

sc-133118 AF488
200 µg/ml
$357.00

IL-2 Antibody (F-5) Alexa Fluor® 546

sc-133118 AF546
200 µg/ml
$357.00

IL-2 Antibody (F-5) Alexa Fluor® 594

sc-133118 AF594
200 µg/ml
$357.00

IL-2 Antibody (F-5) Alexa Fluor® 647

sc-133118 AF647
200 µg/ml
$357.00

IL-2 Antibody (F-5) Alexa Fluor® 680

sc-133118 AF680
200 µg/ml
$357.00

IL-2 Antibody (F-5) Alexa Fluor® 790

sc-133118 AF790
200 µg/ml
$357.00

hi. I am attempting a western blot using the sc-133118 IL-2 antibody on mouse liver. However, the results show a 20 kD band. So, I have question of this result. Is this 20kD band right IL-2?

Asked by: SY P
Thank you for your question. Before we received your email and we have replied to your email. If you still have questions, please continue to contact us through previous email or contact our distributors in Korea. https://www.scbt.com/resources/distributors KOREA For ordering or product information contact us at: Essence Medical Inc. 417 Leaders B/D, Yatapdong 342-1 Bundanggu Seongnam Gyeonggi-do Korea Phone: 82-31-707-1544 Fax: 82-31-707-1999 Email: info@essencemedical.com Website: www.essencemedical.com Koram Biotech Corporation 6F, Koram Venture Building 907-1 Daechi-Dong Kang Nam-Ku Seoul 135-080 Korea Phone: 82 (2) 556-0311 Fax: 82 (2) 556-0828 Email: koram@korambiotech.com Website: www.korambiotech.com
Answered by: Ling Chen
Date published: 2023-03-27

sorry. 25 kD is correct, not 20 kD. hi. I am attempting a western blot using the sc-133118 IL-2 antibody on mouse liver. However, the results show a 25 kD band. So, I have question of this result. Is this 25kD band right IL-2?

Asked by: SY P
Thank you for your question. Before I have replied to your email. If you still have questions, please contact our distributors in Korea. https://www.scbt.com/resources/distributors KOREA For ordering or product information contact us at: Essence Medical Inc. 417 Leaders B/D, Yatapdong 342-1 Bundanggu Seongnam Gyeonggi-do Korea Phone: 82-31-707-1544 Fax: 82-31-707-1999 Email: info@essencemedical.com Website: www.essencemedical.com Koram Biotech Corporation 6F, Koram Venture Building 907-1 Daechi-Dong Kang Nam-Ku Seoul 135-080 Korea Phone: 82 (2) 556-0311 Fax: 82 (2) 556-0828 Email: koram@korambiotech.com Website: www.korambiotech.com
Answered by: Ling Chen
Date published: 2023-03-27

What is the recommended starting dilution for Western blot for IL-2 (F-5): sc-133118 monoclonal antibody?

Asked by: Trav11
Thank you for your question. The recommended starting dilution for Western blot is 1:100 with a dilution range of 1:100-1:1000. This information, along with other technical specifications, can be found in the “datasheet” link at the top of the product page, for which I have provided the link: https://datasheets.scbt.com/sc-133118.pdf If you have any further questions or concerns, please contact our Technical Service department by calling 800-457-3801 option 2, emailing scbt@scbt.com, or using the Live Chat function on our website.
Answered by: Technical Support
Date published: 2017-02-27
  • y_2025, m_9, d_25, h_5CST
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Rated 4 out of 5 by from Good to haveThis antibody detects a good amount of recombinant IL-2 (10 ng/Lane) with a clean background. It can be used to detect purified IL-2 as well as IL-2-spiked human cell lysate by western blotting. I am working on conditions in order to detect endogenous IL-2 in either treated-cell lysate or conditioned-medium.
Date published: 2016-12-12
Rated 5 out of 5 by from Satisfactory Western Blot data of human recombinantSatisfactory Western Blot data of human recombinant IL-2 under reducing conditions. -SCBT QC
Date published: 2015-01-31
Rated 5 out of 5 by from Nice Western Blot data of human recombinant ILNice Western Blot data of human recombinant IL-2. -SCBT QC
Date published: 2013-06-21
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IL-2 Antibody (F-5) is rated 4.7 out of 5 by 3.
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