Lateralization of choline acetyltransferase (ChAT) activity in fetus and adult human brain. 1984

L Bracco, and A Tiezzi, and A Ginanneschi, and C Campanella, and L Amaducci

Choline acetyltransferase (ChAT) activity was measured in the first temporal gyrus (Brodmann area 22) and in the gyrus precentrale (Brodmann area 4) of both hemispheres in post-mortem human fetus and adult brains. In fetal brains the ChAT values were higher in the right first temporal gyrus in comparison to the left one (P less than 0.05). Conversely in adult brains ChAT activity was higher in the left first temporal gyrus than in the controlateral one (P less than 0.05). Absolute values of ChAT were similar in the right first temporal gyrus of fetus and adult brains. No asymmetry was found in the fetal and adult gyrus precentrale. These findings could be interpreted in terms of differential rates of development of cholinergic synapses in left and right human temporal lobes.

UI MeSH Term Description Entries
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D001921 Brain The part of CENTRAL NERVOUS SYSTEM that is contained within the skull (CRANIUM). Arising from the NEURAL TUBE, the embryonic brain is comprised of three major parts including PROSENCEPHALON (the forebrain); MESENCEPHALON (the midbrain); and RHOMBENCEPHALON (the hindbrain). The developed brain consists of CEREBRUM; CEREBELLUM; and other structures in the BRAIN STEM. Encephalon
D002540 Cerebral Cortex The thin layer of GRAY MATTER on the surface of the CEREBRAL HEMISPHERES that develops from the TELENCEPHALON and folds into gyri and sulci. It reaches its highest development in humans and is responsible for intellectual faculties and higher mental functions. Allocortex,Archipallium,Cortex Cerebri,Cortical Plate,Paleocortex,Periallocortex,Allocortices,Archipalliums,Cerebral Cortices,Cortex Cerebrus,Cortex, Cerebral,Cortical Plates,Paleocortices,Periallocortices,Plate, Cortical
D002795 Choline O-Acetyltransferase An enzyme that catalyzes the formation of acetylcholine from acetyl-CoA and choline. EC 2.3.1.6. Choline Acetylase,Choline Acetyltransferase,Acetylase, Choline,Acetyltransferase, Choline,Choline O Acetyltransferase,O-Acetyltransferase, Choline
D004292 Dominance, Cerebral Dominance of one cerebral hemisphere over the other in cerebral functions. Cerebral Dominance,Hemispheric Specialization,Dominances, Cerebral,Specialization, Hemispheric
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000368 Aged A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available. Elderly

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