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Qtempo

Product Description
Cardiac ion channels function in a sequential and interactive manner to drive the beating of cardiomyocytes. QTempo is the only human pre-clinical functional assay that can capture the complexity of that process. The underlying idea is simple: We (1) generate clusters of spontaneously beating cardiomyocytes from human iPS cells, (2) place these beating cardiomyocytes in a well with electrodes to monitor electropotential, and (3) Measure the effect of compounds and drugs on the waveform.

From this simple idea, the QTempo assay allows analysis of the full range of ion channels. QTempo directly measures not only QT interval, but also a range of other cardiac action potential parameters (such as beat rate and the QRS complex). QTempo identifies compounds that affect Na, K and Ca ion channels and reflects their complex interactions.

Uses beating human heart cells:
* Identifies beat rate dependent effects
* Identifies compounds that change beat rate
* Covers all cardiomyocyte ion channels
* Screens non-ion channel factors
* Faster, cheaper and kinder than using animals
The cardiomyocyte clusters used in QTempo generate robust, consistent data over extended periods. This allows a wide variety of drug concentrations to be sequentially tested, increasing confidence in drug safety before further development.

ReproCELL’s QTempo assay is offered in a variety of formats to suit customer requirements. ReproCELL is licensed by iPS Academia (Kyoto, Japan) to use iPS technology in this assay.

In all our tests, including assays of cardiotoxic compounds not correctly identified by the hERG assay, QTempo has generated results in complete agreement with clinical findings.

Two key technologies developed by ReproCELL underlie QTempo. The first is a protocol for the differentiation of cardiomyocytes from both ES and iPS cells. Secondly, ReproCELL has developed novel protein-free media that maintain the cardiomyocytes whilst allowing stable measurement of electropotential.
Product Qtempo
Company ReproCell Products
Price Request a quote
More Information View company product page
Catalog Number RCESD005
Quantity Unspecified
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ReproCell Products
Reprocell Inc KDX Shin-yokohama 381 Bldg 8F 3-8-11, Shin-yokohama, Kohoku-ku, Yokohama Kanagawa 222-0033, Japan

Tel: +81 45-475-3887
Fax: +81 45-474-1006
Email: info_repro@reprocell.com



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