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5 Facts you should know about

Gene expression profiling

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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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