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Related Concept Videos

Lineage Commitment01:21

Lineage Commitment

Commitment is the  process whereby stem cells:
Forced Transdifferentiation01:28

Forced Transdifferentiation

Transdifferentiation, also known as lineage reprogramming, was first discovered by Selman and Kafatos in 1974 in silkmoths. They observed that the moths’ cuticle-producing cells transformed into salt-producing cells. Many such cases of natural transdifferentiation occur in organisms. In humans, pancreatic alpha cells can become beta cells. In newts, the loss of the eye’s lens causes the pigmented epithelial cells to transdifferentiate into the lens cells.
Artificial transdifferentiation occurs...
Cellular Differentiation00:57

Cellular Differentiation

How does a complex organism such as a human develop from a single cell? It all starts from a single fertilized egg which gives rise to a vast array of cell types, such as nerve cells, muscle cells, and epithelial cells that characterize the adult? Throughout development and adulthood, cellular differentiation leads cells to assume their final morphology and physiology. Differentiation is the process by which unspecialized cells become specialized to carry out distinct functions.
A zygote is a...
Cell Migration01:19

Cell Migration

Cell migration is a process by which the cells move from one location to another, playing an essential role in embryological development, repair and regeneration, immune response, and metastasis. Cells migrate in response to chemical or mechanical signals generated by specific organs or tissues. The overall mechanism includes three steps - polarization, protrusion, and release. Polarization involves the formation of a distinct cell front and rear, which determines the direction of movement.
Cell Migration01:09

Cell Migration

Cell migration, the process by which cells move from one location to another, is essential for the proper development and viability of organisms throughout their life. When cells are not able to migrate properly to their ordained locations, various disorders may occur. For example, disruption in cell migration causes chronic inflammatory diseases such as arthritis.
Cell Lines01:16

Cell Lines

A cell line is a population of cells grown in vitro that can be subcultured over several generations. Normal cells cease to divide after a certain number of cell divisions, a process known as replicative senescence. This number, called the Hayflick limit, was conceptualized by Leonard Hayflick in 1961 when he observed that fetal cells grown in culture could only divide 40-60 times. This limit is due to the shortening of the telomeres during each round of cell division, preventing cell division...

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Related Experiment Video

Updated: Jun 18, 2026

A Method for Lineage Tracing of Corneal Cells Using Multi-color Fluorescent Reporter Mice
07:48

A Method for Lineage Tracing of Corneal Cells Using Multi-color Fluorescent Reporter Mice

Published on: December 18, 2015

Forcing cells to change lineages.

Thomas Graf1, Tariq Enver

  • 1Center for Genomic Regulation and ICREA, 08003 Barcelona, Spain. thomas.graf@crg.es

Nature
|December 4, 2009
PubMed
Summary
This summary is machine-generated.

Induced pluripotency (iPS reprogramming) revives interest in direct cell lineage reprogramming. This technique offers a powerful method for studying cell fate and has potential for therapeutic applications.

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11:46

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Area of Science:

  • Cell biology
  • Developmental biology
  • Molecular biology

Background:

  • Induced pluripotency (iPS reprogramming) enables the generation of stem cells.
  • Transcription factors have been shown to directly convert specialized cells between lineages.

Purpose of the Study:

  • To explore the implications of direct lineage reprogramming.
  • To highlight its utility in understanding cell fate determination.
  • To discuss its potential for therapeutic strategies.

Main Methods:

  • Review of earlier studies on transcription factor-mediated cell conversion.
  • Analysis of induced pluripotency (iPS reprogramming) techniques.
  • Exploration of cell fate choice mechanisms during differentiation.

Main Results:

  • Direct lineage reprogramming is a viable method for cell fate studies.
  • This approach provides insights comparable to genetic mutation studies.
  • The understanding gained can inform therapeutic cell manipulation.

Conclusions:

  • Lineage reprogramming is a valuable tool for biological research.
  • It offers a framework for developing novel therapeutic interventions.
  • Further research into cell manipulation holds significant promise.