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HTRF Human Heme oxygenase-1 Detection Kit, 500 Assay Points

The Human Heme Oxygenase kit is designed for the rapid detection of HO-1 in cell lysates.

For research use only. Not for use in diagnostic procedures. All products to be used in accordance with applicable laws and regulations including without limitation, consumption and disposal requirements under European REACH regulations (EC 1907/2006).

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Feature	Specification
Application	Protein Quantification
Sample Volume	16 µL

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The Human Heme Oxygenase kit is designed for the rapid detection of HO-1 in cell lysates.

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Product Variants

Unit Size: 500 Assay Points

Part #:

64HOX1PEG

List Price

USD 1,086.00

Unit Size: 10,000 Assay Points

Part #:

64HOX1PEH

List Price

USD 12,280.00

Product information

Overview

The human Heme Oxygenase 1 (HO-1) is an enzyme that catalyzes the degradation of Heme, leading to the production of biliverdin, ferrous iron, and carbon monoxide. HO-1 is an isoform induced in response to stress such as oxidative stress, hypoxia, heavy metals, cytokines, etc. The human Heme Oxygenase bles the fast monitoring of HO-1 produced by cells.

Specifications

Other Specifications

Application	Protein Quantification
Brand	HTRF
Detection Modality	HTRF
Product Group	Kit
Sample Volume	16 µL
Shipping Conditions	Shipped in Dry Ice
Target Class	Biomarkers
Target Species	Human
Technology	TR-FRET
Therapeutic Area	Cardiovascular Infectious Diseases Metabolism/Diabetes
Unit Size	500 Assay Points

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How it works

Assay principle

Human heme oxygenase is measured using a sandwich immunoassay involving two specific human heme oxygenase antibodies, respectively labelled with Europium Cryptate (donor) and d2 (Acceptor). The intensity of the signal is proportional to the concentration of heme oxygenase present in the sample.

Assay Protocol

The human heme oxygenase kit features a two-plate assay protocol, where cells are plated, stimulated, and lysed in the same culture plate. Lysates are then transferred to the assay plate for the detection of Human HO-1. This protocol enables the cells' viability and confluence to be monitored. The antibodies labelled with HTRF fluorophores may be pre-mixed and added in a single dispensing step to further streamline the assay procedure. The assay detection can be run in 96- to 384-well plates by simply resizing each addition volume proportionally.

Assay validation

Human Heme Oxygenase standard curve

A two-fold serial dilution starting from 25 ng/ml of Human Heme-Oxygenase-1 protein was performed, and fitted with with the 4 Parameter Logistic (4PL) model (with 1/Y² weighting). This data must not be substituted for the data obtained in the laboratory and should be considered only as an example.

Heme Oxygenase production in HEPG2 cells

HEPG2 cells were plated at 50,000 cells per well and were stimulated for 6H in the presence or absence of 10 µM of Cadmiumchloride. After removing the supernatant, the cells were lysed using the lysis buffer provided in the kit, and diluted 5 times before plating. The labeled antibodies from the kit were then added. The plate was read after 4 hours. A 2.9 fold increase of the HTRF ratio over non-stimulated cells was observed, exemplifying the production of human HO-1 after Cd-ion stimulation.