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Published on: August 24, 2013
Regulatory mutations and human genetic disease
1Charter Molecular Genetics Laboratory, Thrombosis Research Institute, London, U.K.
Abstract:
Mutations in gene promoter/regulatory regions represent an important class of lesion causing human genetic disease. Such mutations are associated with either increases or decreases in transcriptional activity mediated by the altered binding behaviour of trans-acting protein factors to specific DNA sequences in the promoter region. Although most promoter mutations are individually very infrequent, some occur at polymorphic frequencies. Both categories of lesion are likely to be important in clinical medicine and their study has already led to new insights into the mechanisms underlying the regulation of human genes.
Insights
Mutations in gene regulatory regions cause genetic diseases by altering gene activity. Studying these changes offers new insights into human gene regulation mechanisms.
Area of Science:
- Genetics
- Molecular Biology
- Human Disease
Background:
- Mutations in gene promoter and regulatory regions are a significant cause of human genetic disorders.
- These mutations affect gene transcription by altering the binding of regulatory proteins to DNA sequences.
- While individually rare, some promoter mutations occur at polymorphic frequencies.
Purpose of the Study:
- To investigate the impact of mutations in gene promoter/regulatory regions on human genetic diseases.
- To understand how altered trans-acting protein factor binding influences transcriptional activity.
- To explore the clinical significance and mechanistic insights gained from studying these genetic lesions.
Main Methods:
- Analysis of mutations in gene promoter/regulatory regions.
- Assessment of trans-acting protein factor binding behavior.
- Evaluation of transcriptional activity changes.
- Investigation of genetic disease association.
Main Results:
- Mutations in promoter/regulatory regions lead to altered transcriptional activity.
- Changes in trans-acting protein factor binding are mediated by these mutations.
- Both rare and polymorphic mutations contribute to human genetic disease.
- Studies provide new insights into human gene regulation.
Conclusions:
- Mutations in gene promoter/regulatory regions are critical causes of human genetic diseases.
- Understanding these mutations enhances knowledge of gene regulation mechanisms.
- These genetic lesions have significant implications for clinical medicine.
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