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iPS Cell Differentiation

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.

Induced Pluripotent Stem Cells

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 Cells

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...

Stem Cell Culture

Stem Cell Culture

Stem cell research aims to find ways to use stem cells to regenerate and repair cellular damage. Over time, most adult cells undergo the wear and tear of aging and lose their ability to divide and repair themselves. Stem cells do not display a particular morphology or function. Adult stem cells, which exist as a small subset of cells in most tissues, keep dividing and can differentiate into a number of specialized cells generally formed by that tissue. These cells enable the body to renew and...

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Related Experiment Video

Updated: May 11, 2026

Selecting and Isolating Colonies of Human Induced Pluripotent Stem Cells Reprogrammed from Adult Fibroblasts

Selecting and Isolating Colonies of Human Induced Pluripotent Stem Cells Reprogrammed from Adult Fibroblasts

Published on: February 20, 2012

Modeling stem cell induction processes.

Filipe Grácio¹, Joaquim Cabral, Bruce Tidor

¹Institute for Biotechnology and Bioengineering-IBB, Centre for Biological and Chemical Engineering, Instituto Superior Técnico, Lisboa, Portugal.

|May 14, 2013

Summary

This summary is machine-generated.

Generating induced pluripotent stem cells (iPS cells) is inefficient. This study models core regulatory elements and epigenetic features, revealing mechanisms that can improve iPS cell generation efficiency.

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Differentiation of a Human Neural Stem Cell Line on Three Dimensional Cultures, Analysis of MicroRNA and Putative Target Genes

Published on: April 12, 2015

Area of Science:

Biotechnology
Stem Cell Biology
Computational Biology

Background:

Induced pluripotent stem cells (iPS cells) offer revolutionary potential for regenerative medicine.
Current iPS cell generation methods suffer from inefficiency, potentially due to stochastic effects.

Purpose of the Study:

To develop mass-action models of core regulatory elements and epigenetic features in stem cell induction and maintenance.
To analyze the impact of different reaction mechanisms and kinetic properties on iPS cell generation efficiency.

Main Methods:

Constructed mass-action models incorporating transcription factors (NANOG, OCT4, SOX2) and epigenetic modifications (DNA methylation, histone modification).
Simulated stem cell generation protocols, focusing on epigenetic cellular state changes.
Analyzed cooperative versus independent reaction mechanisms and their impact on reprogramming dynamics.

Main Results:

The modeled network topology aligns with observed experimental behaviors like bistability and inducibility.
Cooperative and independent reaction mechanisms exhibit experimentally distinguishable reprogramming dynamics.
Stochastic processes can explain seemingly 'elite' cell behavior, challenging distinct stochastic and elite models.
Reprogramming unpredictability decreases as cells progress through induction.

Conclusions:

The study provides insights into the mechanisms governing stem cell induction and maintenance.
Understanding these mechanisms, particularly epigenetic influences, is crucial for improving iPS cell generation protocols.
The findings suggest that apparent differences in stochastic versus elite models may stem from informational differences in cellular state distributions.