🔬 Discovery

Serotonin isolated and identified

Serotonina aislada e identificada

Date
1948 · confidence high
Place
Cleveland Clinic, Cleveland, Ohio, United States
Credited to
Maurice M. Rapport, Arda Green and Irvine Page
Field
Life & health

What was discovered

Irvine Page's team at the Cleveland Clinic isolated and chemically characterized the vasoconstrictor agent in blood serum, which Rapport, Green and Page named serotonin; it was soon after identified as a brain neurotransmitter.

What it led to

  • The birth of monoamine neurotransmitter neurochemistry
  • Development of drugs acting on the serotonergic system (antidepressants, anti-migraine drugs)
  • The serotonin hypothesis of depression and other mood disorders
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Sources✓ verified 2026-09-25