Related Experiment Video
Updated: Oct 31, 2025

07:23
Describing a Transcription Factor Dependent Regulation of the MicroRNA Transcriptome
Published on: June 15, 2016
8.7K
Transcription factor stoichiometry in cell fate determination
Rahul Kumar1, Ajay Kumar Sharma
1University Department of Zoology, Vinoba Bhave University, Hazaribag 825 301, India. rahuldayanand33@gmail.com.
Journal of Genetics
|June 30, 2021
Summary
Transcription factors are key to cell fate. Precise control over their levels and combinations enables cell fate conversion and therapeutic applications, despite potential toxicities.
Area of Science:
- Molecular Biology
- Cell Biology
- Genetics
Background:
- Transcription factors are crucial regulators of cell fate determination.
- Ectopic expression of cell-specific transcription factors can induce cell fate conversion or transdifferentiation.
- The function of transcription factors is highly dependent on their levels and stoichiometry.
Purpose of the Study:
- To explore the role of transcription factor levels and stoichiometry in cell fate conversion.
- To review methodologies for efficient cell fate conversion using transcription factor cocktails.
- To discuss the therapeutic potential and challenges of transcription factor manipulation.
Main Methods:
- Generating differentiated cells from other types by manipulating reprogramming factor levels and stoichiometry.
- Utilizing phenotypic activation (overexpression of putative transcription factors) to discover new factors and targets.
- Developing advanced tools like artificial transcription factors, nanotechnology, and CRISPR-based modules for precise gene regulation.
Main Results:
- Diverse differentiated cell types can be generated by controlling transcription factor levels and stoichiometry.
- Phenotypic activation serves as a tool for identifying novel transcription factors and their targets.
- Overexpression can lead to toxic effects, including non-specific gene inhibition and potential oncogenesis.
- Recent technological advancements offer precise control over gene expression patterns.
Conclusions:
- Regulating transcription factor levels and stoichiometry is a powerful strategy for cell fate conversion with therapeutic implications.
- Careful consideration of potential toxicities and precise control mechanisms are essential for safe and effective applications.
- Emerging technologies promise significant advancements in transcriptional therapeutics.
Related Concept Videos
General Transcription Factors
6.1K
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...
6.1K
Transcription Factors
79.8K
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...
79.8K
Combinatorial Gene Control
8.8K
Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
8.8K
Master Transcription Regulators
7.3K
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...
7.3K
Master Transcription Regulators
2.4K
2.4K
Cooperative Binding of Transcription Regulators
6.8K
Transcriptional regulators bind to specific cis-regulatory sequences in the DNA to regulate gene transcription. These cis-regulatory sequences are very short, usually less than ten nucleotide pairs in length. The short length means that there is a high probability of the exact same sequence randomly occurring throughout the genome. Since regulators can also bind to groups of similar sequences, this further increases the chances of random binding. Transcriptional regulators form...
6.8K

