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Related Concept Videos

Transcription Factors02:16

Transcription Factors

Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
Transcription Factors02:16

Transcription Factors

Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
RNA Polymerase II Accessory Proteins02:36

RNA Polymerase II Accessory Proteins

Proteins that regulate transcription can do so either via direct contact with RNA Polymerase or through indirect interactions facilitated by adaptors, mediators, histone-modifying proteins, and nucleosome remodelers. Direct interactions to activate transcription is seen in bacteria as well as in some eukaryotic genes. In these cases, upstream activation sequences are adjacent to the promoters, and the activator proteins interact directly with the transcriptional machinery. For example, in...
General Transcription Factors01:30

General Transcription Factors

Tissue-specific transcription factors contribute to diverse cellular functions in mammals. For example, the gene for beta globin, a major component of hemoglobin, is present in all cells of the body. However, it is only expressed in red blood cells because the transcription factors that can bind to the promoter sequences of the beta globin gene are only expressed in these cells. Tissue-specific transcription factors also ensure that mutations in these factors may impair only the function of...
Master Transcription Regulators02:23

Master Transcription Regulators

Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a  complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...
Master Transcription Regulators02:23

Master Transcription Regulators

Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a  complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...

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Related Experiment Video

Updated: Jul 5, 2026

Induction of Protein Deletion Through In Utero Electroporation to Define Deficits in Neuronal Migration in Transgenic Models
12:01

Induction of Protein Deletion Through In Utero Electroporation to Define Deficits in Neuronal Migration in Transgenic Models

Published on: January 12, 2015

[Transcription factor network that regulates neural development].

Ryoichiro Kageyama1

  • 1Institute for Virus Research, Kyoto University, Kawahara-cho, Shogoin, Sakyo-ku, Kyoto 606-8507, Japan.

Brain and Nerve = Shinkei Kenkyu No Shinpo
|April 22, 2008
PubMed
Summary
This summary is machine-generated.

Basic helix-loop-helix (bHLH) transcription factors regulate neural stem cell development, controlling neuron and glial cell production. These factors, along with homeodomain factors, are key to nervous system regeneration.

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Real-time Bioluminescence Imaging of Notch Signaling Dynamics during Murine Neurogenesis
10:25

Real-time Bioluminescence Imaging of Notch Signaling Dynamics during Murine Neurogenesis

Published on: December 12, 2019

Related Experiment Videos

Last Updated: Jul 5, 2026

Induction of Protein Deletion Through In Utero Electroporation to Define Deficits in Neuronal Migration in Transgenic Models
12:01

Induction of Protein Deletion Through In Utero Electroporation to Define Deficits in Neuronal Migration in Transgenic Models

Published on: January 12, 2015

Real-time Bioluminescence Imaging of Notch Signaling Dynamics during Murine Neurogenesis
10:25

Real-time Bioluminescence Imaging of Notch Signaling Dynamics during Murine Neurogenesis

Published on: December 12, 2019

Area of Science:

  • Neuroscience
  • Developmental Biology
  • Molecular Biology

Context:

  • Neural stem cells (NSCs) are crucial for nervous system development.
  • NSC proliferation and differentiation follow specific temporal patterns.
  • Transcription factors play a pivotal role in regulating these developmental processes.

Purpose:

  • To elucidate the role of basic helix-loop-helix (bHLH) transcription factors in neural stem cell fate.
  • To understand how bHLH factors control the balance between proliferation and differentiation.
  • To identify factors involved in neuronal subtype specification.

Summary:

  • Neural stem cells (NSCs) undergo symmetric division for proliferation, then asymmetric division to produce neurons, and finally differentiate into glial cells.
  • Repressor-type bHLH factors maintain NSC populations and promote glial differentiation.
  • Activator-type bHLH factors drive neurogenesis, while homeodomain factors specify neuronal subtypes.

Impact:

  • Understanding these regulatory mechanisms is vital for nervous system development.
  • Identified transcription factors offer potential therapeutic targets for neurological disorders.
  • These factors are promising tools for future nervous system regeneration strategies.