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5 Facts you should know about
Gene expression profiling
1
The flow of information from DNA to RNA to proteins is the fundamental principle of molecular biology
2
Although genes contain the instructions for making messenger RNA (mRNA), at any point in time, each cell makes mRNA from only a fraction of the genes it carries
3
Gene expression profiling measures mRNA levels, showing the pattern of genes expressed by a cell at the transcription level
4
These profiles can distinguish between cells that are actively dividing, or show how the cells react to a particular treatment
5
Because gene expression provides data about the expression and interaction of genes in diseases with known genetic bases, gene expression profiling can be used as both a diagnostic and prognostic tool
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