Circadian variation in the acetylcholinesterase activity of specific rat brain areas
作者:
J.O. Owasoyo,
A.D. Okonmah,
K.F.A. Soliman,
C.A. Walker,
期刊:
Journal of Interdisciplinary Cycle Research
(Taylor Available online 1980)
卷期:
Volume 11,
issue 4
页码: 251-256
ISSN:0022-1945
年代: 1980
DOI:10.1080/09291018009359712
出版商: Taylor & Francis Group
关键词: acetylcholinesterase;circadian rhythm;rat brain
数据来源: Taylor
摘要:
Acetylcholinesterase (AChE) activity of the adenohypophysis, cerebellum, cerebral cortex, hypothalamus, amygdala, hippocampus, midbrain, pons, medulla oblongata and caudate nucleus was determined by a spectro‐photometric method in adult, male rats adapted toan LD 12:12cycle. Results of the study show that AChE activity is highest during the light phase and lowest during the dark phase of the cycle in all the brain areas studied except the adenohypophysis, cerebellum, hippocampus and hypothalamus. These findings expand earlier observations on the circadian variation in rat brain AChE activity and suggests a relationship with reported circadian variation in the acetylcholine levels of rat brain.
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