Human NLRP3/NALP3 ELISA Kit (Colorimetric)

Novus Biologicals, part of Bio-Techne | Catalog # NBP3-18216

Novus Biologicals, part of Bio-Techne
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NBP3-18216
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Key Product Details

Sample Type & Volume Required Per Well

Serum, plasma, cell culture supernatants, cell lysates, tissue homogenates and other biological fluids (100 ul)

Sensitivity

0.16 ng/ml

Assay Range

0.31-20 ng/ml

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Product Specifications

Assay Type

Sandwich ELISA

Kit Type

ELISA Kit (Colorimetric)

Reactivity

Human

Description

The stop solution changes color from blue to yellow and the intensity of the color is measured at 450 nm using a spectrophotometer. In order to measure the concentration of Human NLRP3/NALP3 in the sample, this Human NLRP3/NALP3 ELISA Kit includes a set of calibration standards. The calibration standards are assayed at the same time as the samples and allow the operator to produce a standard curve of optical density versus Human NLRP3/NALP3 concentration. The concentration of the samples is then determined by comparing the O.D. of the samples to the standard curve.

Precision

Intra-Assay Precision (Precision within an assay) %CV < 10

Inter-Assay Precision (Precision between assays) %CV < 15

Recovery for Human NLRP3/NALP3 ELISA Kit (Colorimetric)

Recovery

89-115%

Scientific Data Images for Human NLRP3/NALP3 ELISA Kit (Colorimetric)

ELISA: Human NLRP3/NALP3 ELISA Kit (Colorimetric) [NBP3-18216]

ELISA: Human NLRP3/NALP3 ELISA Kit (Colorimetric) [NBP3-18216]

ELISA: Human NLRP3/NALP3 ELISA Kit (Colorimetric) [NBP3-18216] - Standard Curve Reference

Kit Contents for Human NLRP3/NALP3 ELISA Kit (Colorimetric)

  • Balance Solution
  • Enzyme Conjugate
  • Microtiter Plate
  • Standards
  • Stop Solution
  • Substrate A
  • Substrate B
  • Wash Solution

Preparation and Storage

Shipping

The product is shipped with polar packs. Upon receipt, store it immediately at the temperature recommended below.

Stability & Storage

Storage of components varies. See protocol for specific instructions.

Background: NLRP3/NALP3

NACHT, LRR and PYD domains-containing protein 3 (NALP3), Nucleotide-Binding Oligomerization Domain, or Leucine Rich Repeat and Pyrin Domain Containing 3 (NLRP3) (human NLRP3-isoform 2 theoretical molecular weight 118kDa) acts as a cytosolic receptor for stress-signals initiated by a wide variety of pathogen-associated molecular patterns (PAMPS) and danger-associated molecular patterns (DAMPs) (1). NLRP3 belongs to the family of NOD-like receptors, a type of pattern-recognition receptor (PRR) which participates in innate immune responses. The exact mechanisms leading to NLRP3 activation are still not fully resolved. Some proposed mechanisms for NLRP3 inflammasome activation include induced ion channel flux as exemplified by potassium efflux, sodium influx and calcium signaling, generation of mitochondrial reactive oxygen species (ROS), and lysosomal destabilization (2). Activation of NLRP3 induces its association with the adaptor protein Apoptosis-associated Speck-like protein containing CARD (ASC) forming a complex that binds to Caspase-1 (1, 2). The inflammasome complex, comprised of NLRP3, ASC and Caspase 1, induces the processing of pro-IL-1beta and pro-IL-18 and release of the mature inflammatory cytokines IL-1beta and IL-18 and pyroptosis (1-3).

NLRP3 is expressed in a variety of cell types such as monocytes, dendritic cells, lymphocytes and epithelial cells (3). Abnormal NLRP3 activation may occur as the result of inherited mutations and is associated with diseases such as hereditary periodic fevers (HPFs) and familial cold autoinflammatory syndrome (FCAS). Additionally, abnormal NLRP3 activation is associated with a variety of diseases such as gout, obesity, atherosclerosis, Alzheimers, multiple sclerosis and type 2 diabetes (1, 3). NLRP3 inflammasome is regulated by several post-translational modifications (e.g., ubiquitination, phosphorylation and sumoylation) as well as by various interacting proteins (e.g., JNK1, FBXO3, TXNIP, MARK4 and PKD) (4).

References

1. Abderrazak, A., Syrovets, T., Couchie, D., El Hadri, K., Friguet, B., Simmet, T., & Rouis, M. (2015). NLRP3 inflammasome: From a danger signal sensor to a regulatory node of oxidative stress and inflammatory diseases. Redox Biology. https://doi.org/10.1016/j.redox.2015.01.008

2. Yang, Y., Wang, H., Kouadir, M., Song, H., & Shi, F. (2019). Recent advances in the mechanisms of NLRP3 inflammasome activation and its inhibitors. Cell Death and Disease. https://doi.org/10.1038/s41419-019-1413-8

3. Zahid, A., Li, B., Kombe, A. J. K., Jin, T., & Tao, J. (2019). Pharmacological inhibitors of the nlrp3 inflammasome. Frontiers in Immunology. https://doi.org/10.3389/fimmu.2019.02538

4. Kelley, N., Jeltema, D., Duan, Y., & He, Y. (2019). The NLRP3 inflammasome: An overview of mechanisms of activation and regulation. International Journal of Molecular Sciences. https://doi.org/10.3390/ijms20133328

Long Name

NLR Family, Pyrin Domain Containing 2

Alternate Names

AGTAVPRL, AII, CIAS1, Cryopyrin, FCAS, FCU, MWS, NACHT, NALP3, PYPAF1

Gene Symbol

NLRP3

Additional NLRP3/NALP3 Products

Product Documents for Human NLRP3/NALP3 ELISA Kit (Colorimetric)

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Product Specific Notices for Human NLRP3/NALP3 ELISA Kit (Colorimetric)

This product is for research use only and is not approved for use in humans or in clinical diagnosis. ELISA Kits are guaranteed for 6 months from date of receipt.

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