Related Experiment Video
Updated: May 19, 2026
06:38
High Sensitivity Measurement of Transcription Factor-DNA Binding Affinities by Competitive Titration Using Fluorescence Microscopy
Published on: February 7, 2019
The BTB-ZF transcription factors
1Department of Genetics, The Scripps Research Institute, La Jolla, CA, USA. siggs@scripps.edu
Cell Cycle (Georgetown, Tex.)
|August 17, 2012
Summary
Mammalian broad-complex, tramtrack and bric-à-brac--zinc finger (BTB-ZF) proteins regulate gene expression and are crucial for immune system development. This review explores their roles in lymphocytes, hematopoietic malignancy, and beyond.
Area of Science:
- Molecular Biology
- Immunology
- Genetics
Background:
- Broad-complex, tramtrack, and bric-à-brac--zinc finger (BTB-ZF) proteins are a large family of transcription factors.
- These proteins commonly function as sequence-specific gene silencers.
- Mammalian genomes encode at least 49 BTB-ZF genes.
Purpose of the Study:
- To review the physiological functions of mammalian BTB-ZF proteins.
- To highlight their essential roles in immune system development.
- To discuss their involvement in hematopoietic malignancy and other biological processes.
Main Methods:
- Literature review of existing research on mammalian BTB-ZF proteins.
- Analysis of studies focusing on immune system development and function.
- Examination of research on BTB-ZF proteins in hematopoietic malignancies.
Main Results:
- BTB-ZF proteins play critical roles in the development and function of immune cells, including lymphocytes.
- These proteins are implicated in the pathogenesis of hematopoietic malignancies.
- BTB-ZF proteins also exhibit functions outside of the immune system.
Conclusions:
- Mammalian BTB-ZF proteins are vital regulators of gene expression with significant roles in immunity.
- Understanding BTB-ZF protein function is crucial for advancing research in immunology and oncology.
- Further investigation into BTB-ZF proteins may reveal new therapeutic targets.
Related Concept Videos
01:30General 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...
02:16Transcription 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...
02:16Transcription 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...
02:23Master 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...
02:23Master 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...
02:42Eukaryotic Transcription Activators
Transcription activators are proteins that promote the transcription of genes from DNA to RNA. In most cases, these proteins contain two separate domains ‒ a domain that binds to DNA and a domain for activating transcription; however, in some cases, a single domain is responsible for both binding and activation of transcription, as seen in the glucocorticoid receptor and MyoD.
The binding domains are capable of recognizing and interacting with regulatory sequences on the DNA. These domains are...
The binding domains are capable of recognizing and interacting with regulatory sequences on the DNA. These domains are...