MALDI–MS images of carboxyl and
aldehyde metabolites in
the coronal region of primate control and Parkinson’s disease
model brain tissue sections. (A) Brightfield image of a macaque brain
tissue section at −7.5 mm ac with annotated brain regions.
Ion images of (B) HVA (0–50%), (C) GABA (0–50%), (D)
DOPAL (0–50%), (E) 5-HIAA (0–30%), (F) GHB (0–80%),
(G) glucose/galactose (0–40%), (H) NAAG (0–10%), and
(I) FA (20:5)-eicosapentaenoic acid (0–20%) from one MPTP-lesioned
(left) and one control (right) animal at coronal level −7.5
mm ac. PoG, postcentral gyrus; PrG, precentral gyrus; PCgG, posterior
singulate gyrus; SMG, supramarginal gyrus; STG, superior temporal
gyrus; MTG, middle temporal gyrus; ITG, inferior temporal gyrus; Ent,
entorhinal area; Hipp, hippocampus; Cd, caudate nucleus; Ins, insula;
Cl, claustrum; Put, putamen; GP, globus pallidus, Th, thalamus; ic,
internal capsule; LG, lateral geniculate nucleus; tw, temporal white
matter; cw, cerebral white matter; SNR, substantia nigra pars reticulata.
Lateral resolution, 150 μm.