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Ultra-LEAF™ Purified anti-mouse IL-12/IL-23 p40 (monomer, dimer, heterodimer) Antibody

Pricing & Availability
Clone
C17.8 (See other available formats)
Regulatory Status
RUO
Other Names
Interleukin-12 p40, Interleukin-23 p40, Cytotoxic lymphocyte maturation factor (CLMF), Natural killer cell stimulatory factor (NKSF), CTL maturation factor (TcMF), T-cell stimulating factor (TSF)
Isotype
Rat IgG2a, κ
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Product Citations
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Cat # Size Price Quantity Check Availability Save
505311 50 mg 1884€
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505312 100 mg 2707€
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505310 25 mg 1127€
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505307 100 µg 97€
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505308 1 mg 120€
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505309 5 mg 432€
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Select size of product is eligible for a 40% discount! Promotion valid until December 31, 2024. Exclusions apply. To view full promotion terms and conditions or to contact your local BioLegend representative to receive a quote, visit our webpage.

Description

The C17.8 antibody reacts with mouse IL-12 p40 subunit of the IL-12 p70 heterodimer and IL-23 p40 subunit of the IL-23 p19/p40, as well as p40 monomer and homodimer. The C17.8 antibody can neutralize the bioactivity of natural or recombinant IL-12.

Product Details
Technical Data Sheet (pdf)

Product Details

Verified Reactivity
Mouse
Antibody Type
Monoclonal
Host Species
Rat
Immunogen
CHO expressed, recombinant mouse IL-12 p70
Formulation
0.2 µm filtered in phosphate-buffered solution, pH 7.2, containing no preservative.
Endotoxin Level
Less than 0.01 EU/µg of the protein (< 0.001 ng/µg of the protein) as determined by the LAL test.
Preparation
The Ultra-LEAF™ (Low Endotoxin, Azide-Free) antibody was purified by affinity chromatography.
Concentration
The antibody is bottled at the concentration indicated on the vial, typically between 2 mg/mL and 3 mg/mL. Older lots may have also been bottled at 1 mg/mL. To obtain lot-specific concentration and expiration, please enter the lot number in our Certificate of Analysis online tool.
Storage & Handling
The antibody solution should be stored undiluted between 2°C and 8°C. This Ultra-LEAF™ solution contains no preservative; handle under aseptic conditions.
Application

ELISA - Quality tested
Neut, ICFC, IP, WB - Reported in the literature, not verified in house

 
Recommended Usage

Each lot of this antibody is quality control tested by ELISA assay. It is recommended that the reagent be titrated for optimal performance for each application.

Application Notes

ELISA Detection1,2,6-9 or ELISPOT Detection: The biotinylated C17.8 antibody is useful as a detection antibody for a sandwich ELISA or ELISPOT assay, when used in conjunction with the purified C15.6 antibody (Cat. No. 505202/505208) as capture antibody and recombinant mouse IL-12/IL-23 p40 (Cat. No. 576909) or recombinant mouse IL-12 p70 (Cat. No. 577009) as the standard.
Neutralization1,2,4,5,6,10: The LEAF™ purified antibody (Endotoxin <0.1 EU/µg, Azide-Free, 0.2 µm filtered) is recommended for neutralization of mouse IL-12 bioactivity in vivo and in vitro (Cat. No. 505304). For in vivo studies or highly sensitive assays, we recommend Ultra-LEAF™ purified antibody (Cat. No. 505308) with a lower endotoxin limit than standard LEAF™ purified antibodies (Endotoxin <0.01 EU/µg).
Additional reported applications (for relevant formats of this clone) include: Western blotting3, immunoprecipitation3, and intracellular immunofluorescent staining and flow cytometric analysis.
Note: For testing mouse IL-12 p40 (monomer, dimer, heterodimer) in serum or plasma, BioLegend's ELISA Max™ Sets (Cat. No. 431601 to 431606) are specially developed and recommended.

Application References

(PubMed link indicates BioLegend citation)
  1. Kitagaki K, et al. 2002. Clin. Diagn. Lab Immunol. 9:1260.
  2. Reichmann G, et al. 1999. J. Immunol. 163:3354.
  3. Wysocka M, et al. 1995. Eur. J. Immunol. 25:672.
  4. Neucath M, et al. 1995. J. Exp. Med. 182:1281.
  5. Cousens LP, et al. 1999 J. Exp. Med. 189:1315.
  6. Gately M. 1995. Curr. Prot. Immunol. John Wiley and Sons, New York. Unit 6.16.
  7. O'Connell PJ, et al. 2006. Blood 107:1010.
  8. Dzhagalov I, et al. 2007. J. Immunol. 178:2113.
  9. Xu G, et al. 2007. J. Immunol. 179:5358. PubMed
  10. Sugimoto K, et al. 2007. Gastroenterology 133:124. PubMed
Product Citations
  1. Luo WJ, et al. 2022. Elife. 11: . PubMed
  2. Nomura A, et al. 2023. Life Sci Alliance. 6:. PubMed
  3. Minns D, et al. 2021. Nat Commun. 12:1285. PubMed
RRID
AB_11148948 (BioLegend Cat. No. 505311)
AB_11148948 (BioLegend Cat. No. 505312)
AB_11148948 (BioLegend Cat. No. 505310)
AB_11148948 (BioLegend Cat. No. 505307)
AB_11148948 (BioLegend Cat. No. 505308)
AB_11148948 (BioLegend Cat. No. 505309)

Antigen Details

Structure
Cytokine; monomer, heterodimer (p40:p35 or p40:p19) or homodimer (p40:p40)
Bioactivity
IL-12 p70 (p40:p35) induces IFN-γ, TNF-a production in T and NK cells; costimulation of PBL proliferation; proliferation/differentiation of TH1 T lymphocytes. IL-23 (p40:p19) induces proliferation and production of IFN-γ by human me
Cell Sources
Dendritic cells, monocytes/macrophages, B cells, T cells
Cell Targets
T cells, NK cells
Receptors
IL-12Rβ1 binds p40; dimeric with IL-12Rβ2 binds p35
Biology Area
Immunology, Innate Immunity
Molecular Family
Cytokines/Chemokines
Antigen References

1. Fitzgerald K, et al. Eds. 2001. The Cytokine FactsBook. Academic Press, San Diego.
2. Quesniaux V. 1992. Research Immunol. 143:385.
3. Trinchieri G, et al. 1992 Prog. Growth Factor Res. 4:355.
4. Trinchieri G, et al. 1993 Immunol. Today. 14:335.
5. Oppmann B, et al. 2000 Immunity. 13:715.
6. Aggarwal S, et al. 2003 J. Biol. Chem. 278:1910.
7. Parham C, et al. 2002 J. Immunol. 168:5699.
8. Belladonna ML, et al. 2002 J. Immunol. 168:5448.
9. Lankford CS, et al. 2003 J. Leukoc. Biol. 73:49.

Regulation
Downregulated by IL-10; homodimeric p40 antagonistic to functional p70 heterodimer; p40 monomer has no function; p40 subunit in common with IL-23
Gene ID
16160 View all products for this Gene ID
Specificity (DOES NOT SHOW ON TDS):
IL-12/IL-23 p40
Specificity Alt (DOES NOT SHOW ON TDS):
IL-12/IL-23 p40
App Abbreviation (DOES NOT SHOW ON TDS):
ELISA,Neut,ICFC,IP,WB
UniProt
View information about IL-12/IL-23 p40 on UniProt.org

Related FAQs

Do you guarantee that your antibodies are totally pathogen free?

BioLegend does not test for pathogens in-house aside from the GoInVivo™ product line. However, upon request, this can be tested on a custom basis with an outside, independent laboratory.

Does BioLegend test each Ultra-LEAF™ antibody by functional assay?

No, BioLegend does not test Ultra-LEAF™ antibodies by functional assays unless otherwise indicated. Due to the possible complexities and variations of uses of biofunctional antibodies in different assays and because of the large product portfolio, BioLegend does not currently perform functional assays as a routine QC for the antibodies. However, we do provide references in which the antibodies were used for functional assays and we do perform QC to verify the specificity and quality of the antibody based on our strict specification criteria.

Does BioLegend test each Ultra-LEAF™ antibody for potential pathogens?

No, BioLegend does not test for pathogens in-house unless otherwise indicated.  However, we can recommend an outside vendor to perform this testing as needed.

Have you tested this Ultra-LEAF™ antibody for in vivo or in vitro applications?

We don't test our antibodies for in vivo or in vitro applications unless otherwise indicated. Depending on the product, the TDS may describe literature supporting usage of a particular product for bioassay. It may be best to further consult the literature to find clone specific information.

Go To Top Version: 4    Revision Date: 09/20/2023

For Research Use Only. Not for diagnostic or therapeutic use.

 

This product is supplied subject to the terms and conditions, including the limited license, located at www.biolegend.com/terms) ("Terms") and may be used only as provided in the Terms. Without limiting the foregoing, BioLegend products may not be used for any Commercial Purpose as defined in the Terms, resold in any form, used in manufacturing, or reverse engineered, sequenced, or otherwise studied or used to learn its design or composition without express written approval of BioLegend. Regardless of the information given in this document, user is solely responsible for determining any license requirements necessary for user’s intended use and assumes all risk and liability arising from use of the product. BioLegend is not responsible for patent infringement or any other risks or liabilities whatsoever resulting from the use of its products.

 

BioLegend, the BioLegend logo, and all other trademarks are property of BioLegend, Inc. or their respective owners, and all rights are reserved.

 

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Toll-Free Phone: 1-877-Bio-Legend (246-5343) Phone: (858) 768-5800 Fax: (877) 455-9587

This data display is provided for general comparisons between formats.
Your actual data may vary due to variations in samples, target cells, instruments and their settings, staining conditions, and other factors.
If you need assistance with selecting the best format contact our expert technical support team.

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