Nextdoor is the private social network for your neighborhood. On Nextdoor, neighbors create private groups for their neighborhoods where they can ask questions, get to know one another, and exchange local advice and recommendations.
Up-regulation is a process that occurs within a cell triggered by a signal (originating internal or external to the cell), which results in increased expression of one or more genes and as a result the protein(s) encoded by those genes.
Eukaryotic gene expression can be regulated at many stages. 1  Chromatin accessibility. The structure of chromatin (DNA and its organizing proteins) can be regulated. More open or ârelaxedâ chromatin makes a gene more available for transcription. 2  Transcription. Transcription is a key regulatory point for many genes.