Upregulation

Definition

Upregulation is the process by which a cell increases the number of hormone receptors, enhancing its sensitivity to a particular hormone. This physiological adjustment allows cells to respond more effectively to minute quantities of hormones.

Related terms

Hormones:

Chemical messengers produced by endocrine glands that regulate various functions in the body by communicating with cells.

Receptors:

Special structures on or within cells that bind to specific molecules like hormones, triggering a specific cellular response.

Downregulation:

A cellular decrease in the number of receptors to a specific hormone, reducing the cell's sensitivity and responsiveness to that hormone