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.
The cell cycle, including growth, DNA replication, mitosis and cell division are all highly regulated processes that are regulated by special genes within a cell. Mutations in these genes can result in a loss of regulation and may cause a larger number of these cells to grow.