Abstract:
:There was a report of spongiform encephalopathy transmitted to Syrian hamsters by intracerebral inoculation with the blood buffy coat of patients with Alzheimer's disease (AD) and their unaffected first-degree relatives. We attempted to verify that report, taking measures to reduce the risk of contaminating samples with agents causing spongiform encephalopathies. We obtained blood from 50 subjects, including six patients with familial AD, 21 unaffected first-degree relatives (siblings and offspring) of patients with familial AD, and 20 control subjects. We inoculated the buffy coats intracerebrally into Syrian LVG hamsters, observed them for signs of neurologic disease, examined their brains for neuropathologic changes at time of death, and performed serial (blind) passages by inoculating suspensions of all recovered brains into fresh LVG hamsters. We discerned no clinical illness or histopathologic changes resembling experimental spongiform encephalopathy in any hamster inoculated with human buffy coat nor in blind-passage hamsters, nor were the life spans of those hamsters shortened. We conclude that AD is not caused by an agent that transmits spongiform encephalopathy to hamsters.
journal_name
Neurologyjournal_title
Neurologyauthors
Godec MS,Asher DM,Kozachuk WE,Masters CL,Rubi JU,Payne JA,Rubi-Villa DJ,Wagner EE,Rapoport SI,Schapiro MBdoi
10.1212/wnl.44.6.1111subject
Has Abstractpub_date
1994-06-01 00:00:00pages
1111-5issue
6eissn
0028-3878issn
1526-632Xjournal_volume
44pub_type
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