Definition, Meaning & Synonyms

autocrine

Adjective
/ˈɔːtəˌkraɪn/
Definition
Referring to a type of cell signaling in which a cell produces a signal (like a hormone or a neurotransmitter) that binds to receptors on its own surface, influencing its own activity.
Examples
  • The autocrine effect of growth factors on tumor cells can enhance their proliferation.
  • In autocrine signaling, the cells respond to their own emitted signals.
  • Some immune cells utilize autocrine mechanisms to modulate their activation and response.
Meaning
Autocrine signaling is a process where a cell communicates with itself by releasing signaling molecules that bind to its own receptors, thereby regulating its functions.
Synonyms
  • Self-signaling
  • Self-regulating
  • Endocrine (in a broader sense)