3 major categories of NTs
Amino Acids
Peptides
Monoamines
NTs Amino Acids
Glutamate
GABA G-aminobutyric acid
Aspartic Acid
Glycine
NTs Peptides
Vasopressin
Somatostatin
Neurotensin
NTs Monoamines
Norepinephrine
Dopamine
Acetylcholine
Serotonon 5-hydroxytryptamines
Major NTs of the brain
glutamate and GABA
Excitatoory NTs
Glutamate
Aspartate
Cystic Acid
Homocystic Acid
Inhibitory NTs
GABA
Glycine
Taurine
B-alanine
rate limiting in the synthesis of acetylcholine
supply of choline
rate limiting step in the synthesis of dopamine
TYR hydroxylase conversion to L-dopa
rate limiting step in synthesis of serotonon
Tryptophan hydroxylase