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We present a synthesis of clinical, neuropathological, and biological details of the National Institutes of Health series of 300 experimentally transmitted cases of spongiform encephalopathy from among more than 1,000 cases of various neurological disorders inoculated into nonhuman primates during the past 30 years. The series comprises 278 subjects with(More)
The PRNP gene, encoding the amyloid precursor protein that is centrally involved in Creutzfeldt-Jakob disease (CJD), has an unstable region of five variant tandem octapeptide coding repeats between codons 51 and 91. We screened a total of 535 individuals for the presence of extra repeats in this region, including patients with sporadic and familial forms of(More)
The clinicopathological phenotype of the Gerstmann-Sträussler-Scheinker disease (GSS) variant linked to the codon 102 mutation in the prion protein (PrP) gene (GSS P102L) shows a high heterogeneity. This variability also is observed in subjects with the same prion protein gene PRNP haplotype and is independent from the duration of the disease. Immunoblot(More)
Creutzfeldt-Jakob disease (CJD), previously regarded as a neurodegenerative disorder strictly of the gray matter, occasionally occurs as a panencephalopathic form which is characterized by severe white matter damage. An ultrastructural study of the white matter pathology in mice experimentally infected with the Fujisaki strain of CJD virus revealed: (1)(More)
An American family of English origin with an unusually early onset and long-duration form of Creutzfeldt-Jakob disease (CJD) had a heterozygous insert mutation in the region of repeating octapeptide coding sequences between codons 51 and 91 of the PRNP gene on chromosome 20. Affected members were 23 to 35 years old at the onset of illnesses that lasted from(More)
The worldwide epidemiology of Creutzfeldt-Jakob disease (CJD) is presented from an analysis of 1,435 patients. In the United States, the average annual mortality rate is at least 0.26 deaths per million. Temporal-spatial clustering of cases was not found in the United States, but reports from other countries indicate that such clustering does occur. Fifteen(More)
During the 15-year period 1968-1982, a total of 329 patients dying of Creutzfeldt-Jakob disease (CJD) were identified in continental France. Annual mortality rates stabilized at 0.5 to 0.6 cases per million (1.1 to 1.2 cases per million in Paris). Six percent of cases were familial. Although the frequency of CJD was related to population density, no(More)
Subclinical chronic infections characterized by transient viremia, prolonged virus shedding in oropharyngeal secretions and feces, and virus persistence in tissues (particularly lung) developed in laboratory-bred weanling bank voles (Clethrionomys glareolus) inoculated intramuscularly with Puumala virus (strain Hällnäs), the etiologic agent of nephropathia(More)