Canine IL-2 ELISpot Kit

Catalog # Availability Size / Price Qty
XEL1815
EL1815
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Canine IL-2 ELISpot Kit Summary

Assay Type
Quantitative Sandwich ELISA
Format
96-well PVDF-backed microplate
Assay Length
3 hours 15 mins to 4 hours 30 mins*
Sample Type
Whole Cells
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.

* Following cell stimulation.


PRODUCT SUMMARY
ELISpot kits are highly sensitive, microplate-based assays for the detection of cytokine secreting cells. This kit is designed for the detection and enumeration of canine IL-2. Complete ELISpot kits are ready-to-run and require no assay development or refinement.

This ELISpot assay employs a capture antibody specific for canine IL-2, pre-coated onto a PVDF-backed microplate. Appropriately stimulated cells are pipetted directly into the wells and the immobilized antibody in the immediate vicinity of the secreting cells binds secreted canine IL-2. Following wash steps and incubation with a biotinylated detection antibody, alkaline-phosphatase conjugated to streptavidin is added. Unbound enzyme is subsequently removed by washing and a substrate solution (BCIP/NBT) is added. A blue-black colored precipitate forms at the sites of cytokine localization and appears as spots, with each individual spot representing an individual canine IL-2 secreting cell. The spots can be counted with an automated ELISpot reader system or manually using a stereomicroscope.


PRODUCT FEATURES

  • Detect and quantitate individual cells secreting canine IL-2
  • High sensitivity - ELISpot assays can measure responses with frequencies well below 1 in 100,000 cells
  • No in vitro expansion of cells required
  • High-throughput - ELISpot assays use only a small number of primary cells


KIT CONTENTS

  • Canine IL-2 Microplate
  • Biotinylated Detection Antibody
  • Streptavidin conjugated to Alkaline Phosphatase
  • Dilution Buffers
  • Wash Buffer Concentrate
  • BCIP/NBT Chromogen
  • Canine IL-2 Positive Control

OTHER REAGENTS REQUIRED

  • Pipettes and pipette tips
  • Deionized or distilled water
  • Squirt bottle, manifold dispenser, or automated microplate washer
  • 500 mL graduated cylinder
  • 37 °C CO2 incubator
  • Sterile culture media
  • Dissection microscope or an automated ELISpot reader

Product Datasheets

Preparation and Storage

Stability & Storage
Store the unopened product at 2 - 8 °C. Do not use past expiration date.

Background: IL-2

IL-2 (Interleukin 2) is a critical cytokine in T cell biology. It promotes T cell activation and expansion, the development, maintenance and function of regulatory T cells (Treg), and the differentiation of CD8+ T cells into terminal effector cells and memory cells. IL-2 signals through a receptor complex composed of CD25/IL-2 R alpha, IL-2 R beta, and the Common gamma Chain (gamma c). IL-2 R beta is also a component of the IL-15 receptor complex. Gamma c is also a signaling subunit in the receptors for IL-4, -7, -9, -15, and -21.

Long Name:
Interleukin 2
Entrez Gene IDs:
3558 (Human); 16183 (Mouse); 116562 (Rat); 396868 (Porcine); 280822 (Bovine); 403989 (Canine); 100034204 (Equine); 751114 (Feline); 100302458 (Rabbit)
Alternate Names:
aldesleukin; IL2; IL-2; IL-2lymphokine; interleukin 2; interleukin-2; involved in regulation of T-cell clonal expansion; T cell growth factor; T-cell growth factor; TCGF
⚠ WARNING: This product can expose you to chemicals including methanol, which is known to the State of California to cause reproductive toxicity with developmental effects. For more information, go to www.P65Warnings.ca.gov.

FAQs

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