Related Experiment Videos
Partial genome scale analysis of gene expression in human adipose tissue using DNA array.
B L Gabrielsson1, B Carlsson, L M Carlsson
1Research Centre for Endocrinology & Metabolism, Department of Internal Medicine, Sahlgrenska University Hospital, Göteborg University, Sweden.
Obesity Research
|September 1, 2000
Summary
This study identified novel genes expressed in human adipose tissue using DNA arrays, offering new insights into obesity
Area of Science:
- Genomics
- Molecular Biology
- Obesity Research
Background:
- Adipose tissue gene expression is crucial for understanding obesity.
- Previous studies lacked large-scale analysis of adipose tissue gene expression.
Purpose of the Study:
- To explore gene expression in human adipose tissue at a partial genome scale.
- To identify novel candidate genes involved in obesity pathophysiology.
Main Methods:
- Utilized DNA arrays with over 18,000 human expressed sequence-tagged (EST) clones.
- Hybridized labeled cDNA from human adipose tissue poly(A+) RNA to the arrays.
- Analyzed results through homology searches and database queries.
Main Results:
- Identified 145 known genes and linked 79 to UniGene clusters from 300 highly expressed ESTs.
- Characterized 136 nonredundant genes by function and chromosomal localization.
- Discovered that many identified genes were not previously reported in adipose tissue.
- Found increased gene abundance on chromosomes 11, 19, and 22.
Conclusions:
- DNA arrays are powerful tools for large-scale gene discovery in adipose tissue.
- Identified numerous novel genes expressed in adipose tissue, advancing obesity research.
- Suggests new regulatory pathways in adipose tissue can be uncovered.