AB229406

Human PCSK9 ELISA Kit, Fluorescent

CatchPoint SimpleStep ELISA
Recombinant
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Human PCSK9 ELISA Kit, Fluorescent is a single-wash 90-min Simplestep used to quantify Human PCSK9 with a sensitivity of 37 pg/ml. The assay uses a simple mix-wash-read protocol with just one incubation and one wash step.

- Fluorescent Sandwich ELISA - 530/570/590 nm readout : works on any standard plate reader

View Alternative Names

NARC1, PSEC0052, PCSK9, Proprotein convertase subtilisin/kexin type 9, Neural apoptosis-regulated convertase 1, Proprotein convertase 9, Subtilisin/kexin-like protease PC9, NARC-1, PC9

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Sandwich ELISA - Human PCSK9 ELISA Kit, Fluorescent (AB229406)

sELISA

Supplier Data

Sandwich ELISA - Human PCSK9 ELISA Kit, Fluorescent (AB229406)

Interpolated concentrations of native PCSK9 in human serum and plasma samples.

The concentrations of PCSK9 were measured in duplicates, interpolated from the PCSK9 standard curves and corrected for sample dilution. Undiluted samples are as follows : serum 10%, plasma (citrate) 10%, and plasma (heparin) 10%. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean PCSK9 concentration was determined to be 207 ng/mL in serum, 117 ng/mL in plasma (citrate), 166 ng/mL in plasma (EDTA), and 292 ng/mL in plasma (heparin).

sELISA

Supplier Data

Sandwich ELISA - Human PCSK9 ELISA Kit, Fluorescent (AB229406)

Interpolated concentrations of native PCSK9 in HepG2 cell culture supernatant and cell extract.

The concentrations of PCSK9 were measured in duplicate, interpolated from the PCSK9 standard curve, and corrected for sample dilution. Undiluted samples are as follows : HepG2 cell culture supernatant 50%, HepG2 cell extract 500 μg/mL. The interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean PCSK9 concentration was determined to be 7.3 ng/mL in HepG2 cell culture supernatant and 15 ng/mL in HepG2 cell extract.

sELISA

Supplier Data

Sandwich ELISA - Human PCSK9 ELISA Kit, Fluorescent (AB229406)

Example of human PCSK9 standard curve in Sample Diluent NS.

Background-subtracted data values (mean +/- SD) are graphed.

sELISA

Supplier Data

Sandwich ELISA - Human PCSK9 ELISA Kit, Fluorescent (AB229406)

Serum from six individual human male donors was measured in duplicate.

Interpolated dilution factor corrected values are plotted (mean +/- SD, n=2). The mean PCSK9 concentration was determined to be 208 ng/mL with a range of 125 - 317 ng/mL.

Key facts

Detection method

Fluorescent

Sample types

Cell culture extracts, Tissue Extracts, Heparin Plasma, Citrate plasma, Cell culture supernatant, Serum, EDTA Plasma

Reacts with

Human

Assay type

Sandwich

Results type

Quantitative

Sensitivity

= 37 pg/mL

Range

0.06 - 32 ng/mL

Assay time

1h 30m

Assay Platform

Pre-coated microplate (12 x 8 well strips)

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Reactivity data

{ "title": "Reactivity Data", "filters": { "stats": ["", "Reactivity", "Dilution Info", "Notes"] }, "values": { "sELISA": { "reactivity":"TESTED_AND_REACTS", "dilution-info":"", "notes":"<p></p>" } } }

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Product details

PCSK9 in vitro CatchPoint SimpleStep ELISA (Enzyme-Linked Immunosorbent Assay) kit is designed for the quantitative measurement of PCSK9 protein in human serum, plasmas, cell culture supernatant, and cell extracts.

This CatchPoint SimpleStep ELISA kit has been optimized for Molecular Devices Microplate Readers. Click here for a list of recommended Microplate Readers.
If using a Molecular Devices' plate reader supported by SoftMax® Pro software, a preconfigured protocol for these CatchPoint SimpleStep ELISA Kits is available with all the protocol and analysis settings at www.softmaxpro.org.

The CatchPoint SimpleStep ELISA employs an affinity tag labeled capture antibody and a reporter conjugated detector antibody which immunocapture the sample analyte in solution. This entire complex (capture antibody/analyte/detector antibody) is in turn immobilized via immunoaffinity of an anti-tag antibody coating the well. To perform the assay, samples or standards are added to the wells, followed by the antibody mix. After incubation, the wells are washed to remove unbound material. CatchPoint HRP Development Solution containing the Stoplight Red Substrate is added. During incubation, the substrate is catalyzed by HRP generating a fluorescent product. Signal is generated proportionally to the amount of bound analyte and the intensity is measured in a fluorescence plater reader at 530/570/590 nm Excitation/Cutoff/Emission.

Proprotein convertase subtilisin/kexin type 9 (PCSK9) is a crucial player in the regulation of plasma cholesterol homeostasis. Degradation of low-density lipid receptor family members (LDLR, VLDLR, APOER, and APOER2) is promoted in intracellular acidic compartments following binding by PCSK9.

REACH authorisation
Abcam has not and does not intend to apply for the REACH Authorisation of customers' uses of products that contain European Authorisation list (Annex XIV) substances.
It is the responsibility of our customers to check the necessity of application of REACH Authorisation, and any other relevant authorisations, for their intended uses.

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Precision

[ { "reproducibilityType": "Inter", "sample": "Serum", "replicates": 3, "mean": null, "standardDeviation": null, "coefficientOfVariability": "4.6" }, { "reproducibilityType": "Intra", "sample": "Serum", "replicates": 5, "mean": null, "standardDeviation": null, "coefficientOfVariability": "4.4" } ]

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Recovery

[ { "sample": "Cell culture supernatant", "range": "103 - 109 %", "average": "= 106" }, { "sample": "Serum", "range": "104 - 107 %", "average": "= 105" }, { "sample": "EDTA Plasma", "range": "93 - 100 %", "average": "= 96" }, { "sample": "Cell culture extracts", "range": "91 - 94 %", "average": "= 92" }, { "sample": "Heparin Plasma", "range": "107 - 115 %", "average": "= 111" }, { "sample": "Citrate plasma", "range": "102 - 106 %", "average": "= 104" } ]

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What's included?

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Properties and storage information

Shipped at conditions

Blue Ice

Appropriate short-term storage conditions

+4°C

Appropriate long-term storage conditions

+4°C

Storage information

+4°C

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Supplementary information

This supplementary information is collated from multiple sources and compiled automatically.

Proprotein convertase subtilisin/kexin type 9 (PCSK9) is a protein responsible for the regulation of cholesterol levels by binding to low-density lipoprotein receptors (LDLR) on hepatocytes. This interaction marks the LDLRs for degradation reducing the liver's ability to clear LDL cholesterol from the blood. PCSK9 has a molecular weight of approximately 74 kDa. The protein is mainly expressed in the liver but is also found in the intestine and kidneys. PCSK9 is referred to as NARC-1 standing for neural apoptosis-regulated convertase 1 highlighting its role in the liver's cholesterol management system.

Biological function summary

PCSK9 influences cholesterol homeostasis by its important role in degrading LDL receptors. It functions independently rather than as part of larger protein complexes. PCSK9 gains particular interest in therapeutic contexts where its inhibition can lead to increased LDLR levels and enhanced clearance of LDL cholesterol. Biotinylated PCSK9 and mouse PCSK9 variants provide significant tools for experimental study. Kits such as the PCSK9 ELISA kit enable detailed measurement of PCSK9 levels in blood samples providing insights into cholesterol metabolism dynamics.

Pathways

PCSK9 operates within the lipid metabolism pathway and the cholesterol biosynthesis pathway. The protein's activity affects the fate of LDL cholesterol within these pathways. It interacts with proteins such as apolipoprotein B (ApoB) which plays a central role in the structural component of LDL particles. The modulation of these pathways by PCSK9 highlights the significance of its function in maintaining cardiovascular health and managing cholesterol levels.

PCSK9 is closely linked to hypercholesterolemia and coronary artery disease. Mutations in PCSK9 can lead to autosomal dominant hypercholesterolemia due to its effect on LDL receptor degradation. Other proteins such as ApoB and LDLR are involved in these conditions tightly interacting with PCSK9's regulatory function. A better understanding of PCSK9's role offers potential therapeutic targets for cardiovascular disease interventions especially through the development of PCSK9 antibodies and PCSK9 assays that adjust cholesterol levels.

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Product protocols

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Target data

Crucial player in the regulation of plasma cholesterol homeostasis. Binds to low-density lipid receptor family members : low density lipoprotein receptor (LDLR), very low density lipoprotein receptor (VLDLR), apolipoprotein E receptor (LRP1/APOER) and apolipoprotein receptor 2 (LRP8/APOER2), and promotes their degradation in intracellular acidic compartments (PubMed : 18039658). Acts via a non-proteolytic mechanism to enhance the degradation of the hepatic LDLR through a clathrin LDLRAP1/ARH-mediated pathway. May prevent the recycling of LDLR from endosomes to the cell surface or direct it to lysosomes for degradation. Can induce ubiquitination of LDLR leading to its subsequent degradation (PubMed : 17461796, PubMed : 18197702, PubMed : 18799458, PubMed : 22074827). Inhibits intracellular degradation of APOB via the autophagosome/lysosome pathway in a LDLR-independent manner. Involved in the disposal of non-acetylated intermediates of BACE1 in the early secretory pathway (PubMed : 18660751). Inhibits epithelial Na(+) channel (ENaC)-mediated Na(+) absorption by reducing ENaC surface expression primarily by increasing its proteasomal degradation. Regulates neuronal apoptosis via modulation of LRP8/APOER2 levels and related anti-apoptotic signaling pathways.

See full target information PCSK9

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websiteProtocolBooklet

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Product promise

We are committed to supporting your work with high-quality reagents, and we're here for you every step of the way. In the unlikely event that one of our products does not perform as expected, you're protected by our Product Promise.

For full details, please see our Terms & Conditions

Please note: All products are 'FOR RESEARCH USE ONLY. NOT FOR USE IN DIAGNOSTIC OR THERAPEUTIC PROCEDURES'.

For licensing inquiries, please contact partnerships@abcam.com

Human PCSK9 ELISA Kit, Fluorescent

Sandwich ELISA - Human PCSK9 ELISA Kit, Fluorescent (AB229406)

Sandwich ELISA - Human PCSK9 ELISA Kit, Fluorescent (AB229406)

Sandwich ELISA - Human PCSK9 ELISA Kit, Fluorescent (AB229406)

Sandwich ELISA - Human PCSK9 ELISA Kit, Fluorescent (AB229406)

Key facts

Detection method

Sample types

Reacts with

Assay type

Results type

Sensitivity

Range

Assay time

Assay Platform

Complementary Products

Assay Kits

Secondary Antibodies

Primary Antibodies

Assay Kits

Reactivity data

Product details

Precision

Recovery

What's included?

Properties and storage information

Shipped at conditions

Appropriate short-term storage conditions

Appropriate long-term storage conditions

Storage information

Supplementary information

Biological function summary

Pathways

Product protocols

Target data

Product promise