Abstract:
:We performed a quantitative immunocytochemical study using a polyclonal antibody directed against choline acetyltransferase (ChAT) in the lower pontine reticular formation in four control subjects and three patients with progressive supranuclear palsy (PSP). In the normal brains, there was detectable ChAT-like immunoreactivity in the nucleus papillioformis, a precerebellar reticular nucleus, and in the nucleus pontis centralis caudalis. In PSP patients, the mean estimated total number of ChAT-like immunoreactive cells was 54% of controls in nucleus papillioformis and 40% of controls in nucleus pontis centralis caudalis. The demonstration of ChAT-like immunoreactivity in nucleus papillioformis is consistent with studies suggesting an extrinsic cholinergic innervation of the cerebellar cortex. Loss of cholinergic cells in nucleus pontis centralis caudalis that corresponds largely to the paramedian pontine reticular formation may be related to disturbances of horizontal saccades in PSP patients.
journal_name
Neurologyjournal_title
Neurologyauthors
Malessa S,Hirsch EC,Cervera P,Javoy-Agid F,Duyckaerts C,Hauw JJ,Agid Ydoi
10.1212/wnl.41.10.1593subject
Has Abstractpub_date
1991-10-01 00:00:00pages
1593-7issue
10eissn
0028-3878issn
1526-632Xjournal_volume
41pub_type
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