Japan Bioinformatics
BioinformaticsExpression Analysis
Gene Expression Analysis
In a cDNA or gene expression profiling experiment the expression levels of thousands of genes in a sample are measured and compared to the expression of the same genes in different samples. This approach can be used to study the effects of certain treatments, diseases or other conditions on gene expression. For example, microarray-based gene expression profiling can be used to identify genes whose expression changes in response to treatment by comparing the gene expression levels of the control and treated tissues.
Time course analysis
Time course-based experiments are a special case of gene expression analysis where time is treated as a continuous variable. These experiments allow scientists to analyze the change in expression of genes over some time period. For example, embryonic development or the effect of stress over time could be analyzed as time course experiments. This type of analysis requires specialized algorithms and analysis tools.