A M Cholette

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Cytochrome oxidase (CO) is the terminal complex of the mitochondrial respiratory chain which generates ATP by oxidative phosphorylation. We have measured CO activity in six different brain regions of patients with senile dementia of Alzheimer type (SDAT, n = 10), presenile dementia of Alzheimer type (PDAT, n = 10), Lewy body dementia with SDAT (LBD, n = 5),(More)
Alzheimer's disease (AD) is a neurodegenerative disorder which is characterized by a progressive loss of memory and the alteration of cognitive functions. At least three chromosomal segments have been associated with early-onset AD in genetic linkage studies. These results argue for a certain degree of heterogeneity in the genetic origin of some forms of(More)
Alzheimer's disease is now recognized as a major public health problem. Many hypotheses have tried to explain the etiology of Alzheimer's disease and, among them, genetic factors are considered one of the most plausible. A case-control study of familial factors, including sex distribution, age at onset, birth order, parental age, fertility, mortality,(More)
The birth distribution of 399 cases of Alzheimer's disease (AD) identified in the region of Saguenay-Lac-St-Jean (Québec) was compared with that of: (a) the population currently living in the area; and (b) the population born during the same period in the same area. AD cases have been recruited since 1986 by the IMAGE Project. Cases and controls were(More)
Genealogies of 67 cases of Down syndrome (DS) cytogenetically proven as trisomy 21 born in Saguenay-Lac-Saint-Jean were reconstructed using a population register. Genealogies of three controls for each patient matched on sex, date and place of birth were also reconstructed. The mean kinship coefficient was slightly, but not significantly (p > 0.05),(More)
Surgical treatment of coarctation of the aorta in the newborn often recurs during childhood. As a means of avoiding this complication segmental replacement of the thoracic aorta with autologous pericardium was evaluated. The isthmic aorta of seven mongrel puppies was replaced by a tubular live pericardial autograft. Between 5 and 36 months (average 15)(More)
The IMAGE Project is pursuing the establishment of a population-based registry of Alzheimer's disease (AD) cases in the Saguenay-Lac-Saint-Jean (SLSJ) (Quebec). The authors report on the spatial distribution at birth of 221 possible, probable and definite cases. A large network of key-informants for screening AD cases has been established over SLSJ. The(More)
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