Figure 4.
Neuromelanin formation. Dopamine is oxidized to aminochrome, which tautomerizes to 5,6-indolequinone and undergoes polymerization to form the dark pigment neuromelanin.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.