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Related Concept Videos

EPS and iPS Cells in Disease Research01:21

EPS and iPS Cells in Disease Research

Embryonic and induced pluripotent stem cells are excellent models for disease research because of their ability to self-renew and differentiate into most cell types. Somatic cells from a patient are isolated and reprogrammed into induced pluripotent stem cells or iPSCs. These iPSCs are later differentiated into the desired cell type, which mirrors the diseased cell of the patient. In this way, disease models have been created for investigating diseases such as Down syndrome, type I diabetes,...
Induced Pluripotent Stem Cells01:06

Induced Pluripotent Stem Cells

Stem cells are undifferentiated cells that divide and produce different cell types. Ordinarily, cells that have differentiated into a specific cell type are terminally differentiated; however, scientists have found a way to reprogram these mature cells so that they dedifferentiate and return to an unspecialized, proliferative state. These cells are pluripotent like embryonic stem cells—able to produce all cell types—and are called induced pluripotent stem cells (iPSCs).
Somatic cells are...
Induced Pluripotent Stem Cells01:13

Induced Pluripotent Stem Cells

Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore called induced pluripotent stem...
Induced Pluripotent Stem Cells01:13

Induced Pluripotent Stem Cells

Stem cells are undifferentiated cells that divide and produce different types of cells. Ordinarily, cells that have differentiated into a specific cell type are post-mitotic—that is, they no longer divide. However, scientists have found a way to reprogram these mature cells so that they “de-differentiate” and return to an unspecialized, proliferative state. These cells are also pluripotent like embryonic stem cells—able to produce all cell types—and are therefore called induced pluripotent stem...
iPS Cell Differentiation01:22

iPS Cell Differentiation

The ability of induced pluripotent stem cells or iPSCs to differentiate into most body cell types has stimulated repair and regenerative medicine research over the past few decades. iPSC-derived blood cells, hepatocytes, beta islet cells, cardiomyocytes, neurons, and other cell types can repair injuries or regenerate damaged tissue in diseases such as diabetes and neurodegenerative disorders.

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Updated: May 15, 2026

Electrophysiological Analysis of human Pluripotent Stem Cell-derived Cardiomyocytes (hPSC-CMs) Using Multi-electrode Arrays (MEAs)
11:13

Electrophysiological Analysis of human Pluripotent Stem Cell-derived Cardiomyocytes (hPSC-CMs) Using Multi-electrode Arrays (MEAs)

Published on: May 12, 2017

Modeling long QT syndromes using induced pluripotent stem cells: current progress and future challenges.

Stephanie Friedrichs1, Daniela Malan, Philipp Sasse

  • 1Institute of Physiology I, Life & Brain Center, University of Bonn, Sigmund-Freud Str. 25, Bonn 53105, Germany.

Trends in Cardiovascular Medicine
|December 26, 2012
PubMed
Summary

Long QT syndrome (LQTS) involves inherited heart rhythm disorders. Patient-derived stem cells and cardiomyocytes offer new ways to study LQTS in vitro and develop targeted drug screening methods.

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Area of Science:

  • Cardiology
  • Genetics
  • Stem Cell Biology

Background:

  • Long QT syndromes (LQTS) are inherited cardiac disorders.
  • Caused by ion channel mutations, LQTS leads to prolonged QT intervals and dangerous arrhythmias.
  • Patient-specific induced pluripotent stem cells (iPSCs) offer a model for studying LQTS.

Purpose of the Study:

  • To review recent advancements in generating LQTS-specific iPSCs and cardiomyocytes.
  • To discuss the utility of these models for in vitro disease investigation.
  • To identify challenges for future drug screening applications.

Main Methods:

  • Generation of iPSCs from LQTS patient somatic cells.
  • Differentiation of iPSCs into cardiomyocytes.
  • In vitro investigation of disease mechanisms and drug responses.

Main Results:

  • Progress has been made in generating patient-specific iPSCs and cardiomyocytes for LQTS research.
  • These models allow for the study of disease mechanisms in a controlled environment.
  • The potential for drug screening using these models is being explored.

Conclusions:

  • LQTS-specific iPSC-derived cardiomyocytes are a valuable tool for understanding inherited arrhythmia syndromes.
  • Further development is needed to optimize these models for reliable drug screening.
  • This approach holds promise for personalized medicine in cardiology.