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Published on: April 1, 2019
TATA box polymorphisms in human gene promoters and associated hereditary pathologies
L K Savinkova1, M P Ponomarenko, P M Ponomarenko
1Institute of Cytology and Genetics, Siberian Branch of the Russian Academy of Sciences, Novosibirsk, Russia. icg-adm@bionet.nsc.ru
Biochemistry. Biokhimiia
|March 10, 2009
Summary
Genetic variations in TATA box sequences, recognized by TATA-binding protein (TBP), influence gene transcription and are linked to various human diseases. Understanding these TATA box polymorphisms is crucial for disease research.
Area of Science:
- Molecular Biology
- Genetics
- Biochemistry
Background:
- TATA-binding protein (TBP) initiates transcription by binding to the TATA box in gene promoters.
- Variations in TATA box sequences and flanking regions can affect TBP binding affinity and transcriptional regulation.
- TATA box polymorphisms have been implicated in human hereditary diseases.
Purpose of the Study:
- To investigate the impact of TATA box polymorphisms on gene expression.
- To correlate TATA box variations with specific human pathologies.
- To categorize and analyze different types of TATA box mutations.
Main Methods:
- Literature review of TATA box polymorphisms in human gene promoters.
- Analysis of functional characteristics and manifestation mechanisms of TATA-box Single Nucleotide Polymorphisms (SNPs).
- Categorization of polymorphisms into four classes based on their effect on promoter activity.
Main Results:
- Approximately 40 TATA element polymorphisms in human gene promoters have been described.
- Polymorphisms can weaken, enhance, create, or abolish the TATA box.
- Examples link TATA box variations to severe conditions like thalassemia, cancer, and hypertension.
Conclusions:
- TATA box polymorphisms play a significant role in regulating gene expression in vivo.
- These genetic variations are associated with a range of human hereditary diseases.
- Further research into TATA box SNPs can elucidate disease mechanisms and inform therapeutic strategies.
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