upregulation

up·reg·u·la·tion

noun
\ˈəp-ˌreg-yə-ˈlā-shən, -ˌreg-ə-ˈlā-\

Definition of UPREGULATION

: the process of increasing the response to a stimulus; specifically : increase in a cellular response to a molecular stimulus due to increase in the number of receptors on the cell surface

—up·reg·u·late \-ˈreg-yə-ˌlāt\ transitive verb, up·reg·u·lat·ed up·reg·u·lat·ing