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Invitrogen™ IL-12 p70 Rat ELISA Kit

A lymphokine

Brand:  Invitrogen™ KRC0122

Additional Details : Weight : 0.50000kg

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Product Code. 10069362

  • € 928.00 / Each

Estimated Shipment: 18-10-2022
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Description

Description

The Rat Interleukin 12+p40 (Rt IL-12+p40) ELISA quantitates Rt IL-12+p40 in human serum, plasma, buffered solution, or cell culture medium. The assay will exclusively recognize both natural and recombinant Rt IL-12+p40. Principle of the method The Rat IL-12+p40 solid-phase sandwich ELISA (enzyme-linked immunosorbent assay) is designed to measure the amount of the target bound between a matched antibody pair. A target-specific antibody has been pre-coated in the wells of the supplied microplate. Samples, standards, or controls are then added into these wells and bind to the immobilized (capture) antibody. The sandwich is formed by the addition of the second (detector) antibody, a substrate solution is added that reacts with the enzyme-antibody-target complex to produce measurable signal. The intensity of this signal is directly proportional to the concentration of target present in the original specimen. Rigorous validation Each manufactured lot of this ELISA kit is quality tested for criteria such as sensitivity, specificity, precision, and lot-to-lot consistency. See manual for more information on validation.

Interleukin-12 (IL-12) is a heterodimeric 70 kDa cytokine composed of two covalently linked, glycosylated chains with molecular weights of 40kD (p40) and 35-kD (p35). IL-12 is mainly produced by monocytes, macrophages, and dendritic cells in response to bacterial products such as lipopolysaccharides (LPS), to intracellular pathogens or upon interaction with activated T cells. IL-12 was originally discovered because of its ability to induce interferon-gamma (IFN-g) production, cell proliferation, and cytotoxicity mediated by natural killer cells and T cells. Studies have established that IL-12 also plays a key role in the development of Th1 responses, leading to IFN-g and IL-2 production. These cytokines can in turn promote T-cell responses and macrophage activation. Recombinant mouse IL-12 p70 is produced in baculovirus-infected insect cells as an authentic heterodimer of precursor p35 and p40 subunits using a dual promoter expression system. IL-12 p70 is distinct from other available forms of the protein in that it is expressed as a true heterodimer, as opposed to a single-chain, pseudo-heterodimer in which the subunits are joined by an artificial linker. The responses of lymphocytes to this cytokine are mediated by the activator of transcription protein STAT4. Nitric oxide synthase 2A (NOS2A/NOS2) is found to be required for the signaling process of this cytokine in innate immunity. Human and mouse IL-12 p40 share about 70% amino acid sequence homology.
Specifications

Specifications

Q9R103
<3 pg/mL
ELISA Kit
Rat
Colorimetric Microplate Reader
Il12a, Il12b
4.2%
HRP
2 x 96 Tests
Plasma, 10 μL; Serum, 10 μL; Supernatant, 100 μL
Rat
4 hr.
15.6-1000 pg/mL
Biotin
Supernatant
Colorimetric
64546, 84405
5.1%
Adhesive Plate Covers, Stop Solution, Chromogen, Wash Buffer, HRP Diluent, Streptavidin-HRP, Biotinylated Detection Antibody, Standard Dilution Buffer, Standard, Pre-coated 96 well plate
<3pg/mL
RUO
2°C to 8°C
1 hr. 20 min.
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Special Offers

Special Offers

For Research Use Only. Not for use in diagnostic procedures.