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Neutrophil Elastase Inhibitor Assay Kit (ab118971)

  • Datasheet
  • SDS
  • Protocol Booklet
Submit a review Q&A (4)References (11)

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Neutrophil Elastase Inhibitor Screening Kit (ab118971)
  • Neutrophil Elastase Inhibitor Screening Kit (ab118971)
  • Functional Studies - Neutrophil Elastase Inhibitor Screening Kit  (ab118971)
  • Functional Studies - Neutrophil Elastase Inhibitor Screening Kit  (ab118971)

Key features and details

  • Assay type: Quantitative
  • Detection method: Fluorescent
  • Platform: Microplate reader
  • Assay time: 40 min

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Overview

  • Product name

    Neutrophil Elastase Inhibitor Assay Kit
    See all Neutrophil Elastase kits
  • Detection method

    Fluorescent
  • Assay type

    Quantitative
  • Assay time

    0h 40m
  • Product overview

    In Abcam's Neutrophil Elastase Inhibitor Screening Kit, NE hydrolyzes a specific fluorescent substrate to release the fluorescent group, which can be detected at Ex/Em = 400/505 nm. In presence of a potent Neutrophil Elastase inhibitor, the hydrolyzation of substrate will be inhibited or stopped. The kit provides a rapid, simple, sensitive, and reliable test suitable as a high throughput screening assay of Neutrophil Elastase inhibitors. For comparison of the relative efficacy of test inhibitors, a control inhibitor, SPCK (Ki = 10 µM for human leukocyte elastase) is included.


    Visit our FAQs page for tips and troubleshooting.

  • Notes

    This product is manufactured by BioVision, an Abcam company and was previously called K782 Neutrophil Elastase Inhibitor Screening Kit (Fluorometric). K782-100 is the same size as the 100 test size of ab118971.

  • Platform

    Microplate reader

Properties

  • Storage instructions

    Store at -20°C. Please refer to protocols.
  • Components Identifier 100 tests
    Assay Buffer WM 1 x 25ml
    Inhibitor Control (3 mM, SPCK) Purple 1 x 100µl
    Neutrophil Elastase Green 1 vial
    Substrate Red 1 x 0.2ml
  • Research areas

    • Immunology
    • Innate Immunity
    • Complement
    • Regulatory
    • Immunology
    • Innate Immunity
    • Complement
    • Other
    • Signal Transduction
    • Metabolism
    • Vitamins / Minerals
    • Kits/ Lysates/ Other
    • Kits
    • Cell Metabolism Kits
    • Other Metabolism Assay
  • Relevance

    Neutrophil Elastase (NE) is an aggressive and cytotoxic 29 kDa serine protease stored mainly in the azurophil granules of neutrophil granulocytes. It plays a role in the degradation of a wide range of extracellular matrix proteins, including fibronectin, laminin, proteoglycans, collagens, and elastin. When the extracellular NE concentration exceeds the buffering capacity of endogenous inhibitors, it becomes implicated in the signs, symptoms and disease progression of inflammatory lung disorders via its role in the inflammatory process, mucus overproduction and lung tissue damage.
  • Alternative names

    • Bone marrow serine protease
    • ELA2
    • ELANE
    • Elastase 2
    • Elastase 2 neutrophil
    • Elastase neutrophil expressed
    • GE
    • Granulocyte derived elastase
    • HLE
    • HNE
    • Human leukocyte elastase
    • Leukocyte elastase
    • Medullasin
    • NE
    • PMN E
    • PMN elastase
    • Polymorphonuclear elastase
    • SCN1
    see all

Images

  • Neutrophil Elastase Inhibitor Screening Kit (ab118971)
    Neutrophil Elastase Inhibitor Screening Kit (ab118971)

    Neutrophil Elastase Activity Profile at Various Concentrations of Elafin/Skalp (ab153768)

  • Neutrophil Elastase Inhibitor Screening Kit (ab118971)
    Neutrophil Elastase Inhibitor Screening Kit (ab118971)

    Neutrophil Elastase Activity Profile at Various Concentrations of SERPINB1 (ab114774)

  • Functional Studies - Neutrophil Elastase Inhibitor Screening Kit  (ab118971)
    Functional Studies - Neutrophil Elastase Inhibitor Screening Kit (ab118971)
    Neutrophil Elastase Inhibition by SPCK
  • Functional Studies - Neutrophil Elastase Inhibitor Screening Kit  (ab118971)
    Functional Studies - Neutrophil Elastase Inhibitor Screening Kit (ab118971)
    Neutrophil Elastase Activity Profile at Various Concentrations of SPCK

Protocols

  • Protocol Booklet

Click here to view the general protocols

Datasheets and documents

  • SDS download

  • Datasheet download

    Download

References (11)

Publishing research using ab118971? Please let us know so that we can cite the reference in this datasheet.

ab118971 has been referenced in 11 publications.

  • Bujak T  et al. Flower Extracts as Multifunctional Dyes in the Cosmetics Industry. Molecules 27:N/A (2022). PubMed: 35164187
  • Ziemlewska A  et al. Evaluation of Cosmetic and Dermatological Properties of Kombucha-Fermented Berry Leaf Extracts Considered to Be By-Products. Molecules 27:N/A (2022). PubMed: 35408743
  • Zagórska-Dziok M  et al. Positive Effect of Cannabis sativa L. Herb Extracts on Skin Cells and Assessment of Cannabinoid-Based Hydrogels Properties. Molecules 26:N/A (2021). PubMed: 33557174
  • Bujak T  et al. Antioxidant and Cytoprotective Properties of Plant Extract from Dry Flowers as Functional Dyes for Cosmetic Products. Molecules 26:N/A (2021). PubMed: 34068613
  • Ziemlewska A  et al. Effect of fermentation time on the content of bioactive compounds with cosmetic and dermatological properties in Kombucha Yerba Mate extracts. Sci Rep 11:18792 (2021). PubMed: 34552134
View all Publications for this product

Customer reviews and Q&As

Show All Reviews Q&A
Submit a review Submit a question

1-4 of 4 Abreviews or Q&A

Question

For the substrate, do you have the a correlation factor between RFU and mole of cleaved product. I am trying to convert the reaction rate RFU/s to mol of product/s so that I can further calculate specific activity of enzyme.

Read More

Abcam community

Verified customer

Asked on Sep 09 2014

Answer

RFU is an arbitrary unit and is dependent on the specific instrument and the gain/sensitivity, so unfortunately there is no way to give you a generic RFU to nmole correlation for calculation.

Read More

Jeremy Kasanov

Abcam Scientific Support

Answered on Sep 09 2014

Question

I have a few questions about the reagents in this kit.
1. From what species is the elastase purified?
2. What is the concentratio of elastase provided?
3. What is the substrate? Eg. what is the sequence?
4. What is the concentration of the substrate?

Read More

Abcam community

Verified customer

Asked on Sep 04 2014

Answer

1. From what species is the elastase purified? Human.
2. What is the concentration of elastase provided? There is 15-22 mU of enzyme in the kit. The exact amount is proprietary.
3. What is the substrate? Eg. what is the sequence? MeOSuc - Ala - Ala - Pro - Val – AFC; MeOSuc-AAPV-AFC
4. What is the concentration of the substrate? We provide 4.5-6.2 mM concentration of substrate.


Read More

Jeremy Kasanov

Abcam Scientific Support

Answered on Sep 04 2014

Question

Is the elastase substrate in ab142178 the same as in the kit ab118971?

Read More

Abcam community

Verified customer

Asked on Jul 29 2014

Answer

Yes. ab142178 is same as the substrate in ab118971.

Read More

Jeremy Kasanov

Abcam Scientific Support

Answered on Jul 29 2014

Question

Hi, I'd like to know if the product ab11871 is suitable for activity determination of neutophil elastase in biological samples (not for inhibitors screening).

Read More

Abcam community

Verified customer

Asked on Apr 03 2012

Answer

Thank you for contacting us.

The substrate that is in the kit will be cleaved by active elastase, whether pure, as provided in the kit, or in biological samples. You could use the pure elastase in the kit as a standard for comparison to your samples. However, the amount of elastase activity in your samples may be below the detection limit of the assay. We are not aware of any tests of biological samples.

Please let me know if you have any other questions.

Read More

Abcam Scientific Support

Answered on Apr 03 2012

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