It is this carefully controlled pattern of what is called "gene expression" that makes a ... blots and SAGE analyses work by measuring levels of mRNA, the intermediary between DNA and protein.

We have evaluated a well-characterised herbal extract for its ability to affect the mRNA expression profile of ... Sixteen transcripts expressed at low levels behaved as in the previous group ...

When a gene is to be expressed, the base sequence of DNA is copied or transcribed into mRNA (messenger RNA). This process takes place in the nucleus and occurs in a series of stages. The two ...