Upregulation is the process by which a cell increases the number of a cellular component, such as RNA or protein, in response to external variable. A decrease of a component is called downregulation.
For example, the cell increasing the number of receptors to a given hormone or neurotransmitter to improve its sensitivity to this molecule.
Table of Contents In Alphabetical Order | By Individual Diseases |
Signs and Symptoms | Physical Examination | Lab Tests | Drugs