Human IL-24 DuoSet ELISA

Catalog # Availability Size / Price Qty
DY1965
Ancillary Products Available
Human IL-24 ELISA Standard Curve
1 Image
Product Details
Procedure
Citations (7)
FAQs
Supplemental Products
Reviews

Human IL-24 DuoSet ELISA Summary

Assay Type
Solid Phase Sandwich ELISA
Format
96-well strip plate
Sample Volume Required
100 µL
Sufficient Materials
For fifteen 96-well plates*
Specificity
Please see the product datasheet

* Provided that the recommended microplates, buffers, diluents, substrates and solutions are used, and the assay is run as summarized in the Assay Procedure provided.

This DuoSet ELISA Development kit contains the basic components required for the development of sandwich ELISAs to measure natural and recombinant human IL-24. The suggested diluent is suitable for the analysis of most cell culture supernate samples. Diluents for complex matrices, such as serum and plasma, should be evaluated prior to use in this DuoSet.

 

Product Features

  • Optimized capture and detection antibody pairings with recommended concentrations save lengthy development time
  • Development protocols are provided to guide further assay optimization
  • Assay can be customized to your specific needs
  • Economical alternative to complete kits

Kit Content

  • Capture Antibody
  • Detection Antibody
  • Recombinant Standard
  • Streptavidin conjugated to horseradish-peroxidase (Streptavidin-HRP)

Other Reagents Required

DuoSet Ancillary Reagent Kit 2 (5 plates): (Catalog # DY008) containing 96 well microplates, plate sealers, substrate solution, stop solution, plate coating buffer (PBS), wash buffer, and Reagent Diluent Concentrate 2.

The components listed above may be purchased separately:

PBS: (Catalog # DY006), or 137 mM NaCl, 2.7 mM KCl, 8.1 mM Na2HPO4, 1.5 mM KH2PO4, pH 7.2 - 7.4, 0.2 µm filtered

Wash Buffer: (Catalog # WA126), or 0.05% Tween® 20 in PBS, pH 7.2-7.4

Reagent Diluent: (Catalog # DY995), or 1% BSA in PBS, pH 7.2-7.4, 0.2 µm filtered

Substrate Solution: 1:1 mixture of Color Reagent A (H2O2) and Color Reagent B (Tetramethylbenzidine) (Catalog # DY999)

Stop Solution: 2 N H2SO4 (Catalog # DY994)

Microplates: R&D Systems (Catalog # DY990)

Plate Sealers: ELISA Plate Sealers (Catalog # DY992)

 

  

Data Example

Human IL-24 ELISA Standard Curve

Product Datasheets

Preparation and Storage

Shipping
The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature recommended below.
Stability & Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: IL-24

Interleukin 24 (IL-24), also known as MDA-7 (melanoma differentiation associated gene-7), is a member of the IL-10 family of helical cytokines. When secreted, IL-24 is a 35- to 40-kDa phosphorylated glycoprotein that may exist as either a monomer or dimer. Cells known to express IL-24 include B cells, CD4+ T cells, NK cells, lymph node dendritic cells, monocytes, melanocytes, and melanoma cells. IL-24 binds two heterodimeric receptor complexes, IL-20 R alpha/IL-20 R beta and IL-22 R/IL-20 R beta.

Long Name:
Interleukin 24
Entrez Gene IDs:
11009 (Human); 93672 (Mouse); 170819 (Rat)
Alternate Names:
C49A; FISP; IL10B; IL24; IL-24; interleukin 24; MDA-7; MDA7MOB5; melanocyte-associated Mda-7; melanoma differentiation association protein 7; Melanoma differentiation-associated gene 7 protein; MOB-5; ST16; ST16interleukin-24; suppression of tumorigenicity 16 (melanoma differentiation); Suppression of tumorigenicity 16 protein

Assay Procedure

GENERAL ELISA PROTOCOL

Plate Preparation

  1. Dilute the Capture Antibody to the working concentration in PBS without carrier protein. Immediately coat a 96-well microplate with 100 μL per well of the diluted Capture Antibody. Seal the plate and incubate overnight at room temperature.
  2. Aspirate each well and wash with Wash Buffer, repeating the process two times for a total of three washes. Wash by filling each well with Wash Buffer (400 μL) using a squirt bottle, manifold dispenser, or autowasher. Complete removal of liquid at each step is essential for good performance. After the last wash, remove any remaining Wash Buffer by aspirating or by inverting the plate and blotting it against clean paper towels.
  3. Block plates by adding 300 μL Reagent Diluent to each well. Incubate at room temperature for a minimum of 1 hour.
  4. Repeat the aspiration/wash as in step 2. The plates are now ready for sample addition.

Assay Procedure

  1. Add 100 μL of sample or standards in Reagent Diluent, or an appropriate diluent, per well. Cover with an adhesive strip and incubate 2 hours at room temperature.
  2. Repeat the aspiration/wash as in step 2 of Plate Preparation.
  3. Add 100 μL of the Detection Antibody, diluted in Reagent Diluent, to each well. Cover with a new adhesive strip and incubate 2 hours at room temperature.
  4. Repeat the aspiration/wash as in step 2 of Plate Preparation.
  5. Add 100 μL of the working dilution of Streptavidin-HRP to each well. Cover the plate and incubate for 20 minutes at room temperature. Avoid placing the plate in direct light.
  6. Repeat the aspiration/wash as in step 2.
  7. Add 100 μL of Substrate Solution to each well. Incubate for 20 minutes at room temperature. Avoid placing the plate in direct light.
  8. Add 50 μL of Stop Solution to each well. Gently tap the plate to ensure thorough mixing.
  9. Determine the optical density of each well immediately, using a microplate reader set to 450 nm. If wavelength correction is available, set to 540 nm or 570 nm. If wavelength correction is not available, subtract readings at 540 nm or 570 nm from the readings at 450 nm. This subtraction will correct for optical imperfections in the plate. Readings made directly at 450 nm without correction may be higher and less accurate.

 

Citations for Human IL-24 DuoSet ELISA

R&D Systems personnel manually curate a database that contains references using R&D Systems products. The data collected includes not only links to publications in PubMed, but also provides information about sample types, species, and experimental conditions.

7 Citations: Showing 1 - 7
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  1. Diminished circulating plasma and elevated lymph node culture supernatant levels of IL-10 family cytokines in tuberculous lymphadenitis
    Authors: GR Kathamuthu, NP Kumar, K Moideen, D Baskaran, S Hissar, BM Shrinivasa, R Sridhar, S Babu
    Cytokine, 2018;0(0):.
    Species: Human
    Sample Types: Plasma
  2. The Stimulation of Macrophages with TLR Ligands Supports Increased IL-19 Expression in Inflammatory Bowel Disease Patients and in Colitis Models
    Authors: A Steinert, I Linas, B Kaya, M Ibrahim, A Schlitzer, P Hruz, K Radulovic, L Terraccian, AJ Macpherson, JH Niess
    J. Immunol., 2017;0(0):.
    Species: Human
    Sample Types: Serum
  3. T cell-derived microvesicles induce mast cell production of IL-24: relevance to inflammatory skin diseases.
    Authors: Shefler I, Pasmanik-Chor M, Kidron D, Mekori Y, Hershko A
    J Allergy Clin Immunol, 2014;133(1):217-24.e1-3.
    Species: Human
    Sample Types: Cell Culture Supernates
  4. Expansion of parasite-specific CD4+ and CD8+ T cells expressing IL-10 superfamily cytokine members and their regulation in human lymphatic filariasis.
    Authors: Anuradha R, George P, Hanna L, Kumaran P, Chandrasekaran V, Nutman T, Babu S
    PLoS Negl Trop Dis, 2014;8(4):e2762.
    Species: Human
    Sample Types: Cell Culture Supernates
  5. Enhanced tumor suppression by an ING4/IL-24 bicistronic adenovirus-mediated gene cotransfer in human non-small cell lung cancer cells.
    Authors: Zhu Y, Lv H, Xie Y
    Cancer Gene Ther., 2011;18(9):627-36.
    Species: Human
    Sample Types: Cell Culture Supernates
  6. IL-17 and IL-22 mediate IL-20 subfamily cytokine production in cultured keratinocytes via increased IL-22 receptor expression.
    Authors: Tohyama M, Hanakawa Y, Shirakata Y, Dai X, Yang L, Hirakawa S, Tokumaru S, Okazaki H, Sayama K, Hashimoto K
    Eur. J. Immunol., 2009;39(10):2779-88.
    Species: Human
    Sample Types: Cell Culture Supernates
  7. IL-24 modulates IFN-gamma expression in patients with tuberculosis.
    Authors: Wu B, Huang C, Kato-Maeda M, Hopewell PC, Daley CL, Krensky AM, Clayberger C
    Immunol. Lett., 2007;117(1):57-62.
    Species: Human
    Sample Types: Cell Culture Supernates

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