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Telomeres, the repeated sequences that cap chromosome ends, undergo shortening with each cell division, and therefore serve as markers of a cell's replicative history. In vivo, clonal expansion of T cells during immune responses to both foreign and autoantigens is associated with telomere shortening. To investigate possible immune alterations in Alzheimer's(More)
CONTEXT There is a compelling need for therapies that prevent, defer the onset, slow the progression, or improve the symptoms of Alzheimer disease (AD). OBJECTIVE To evaluate the effects of testosterone therapy on cognition, neuropsychiatric symptoms, and quality of life in male patients with mild AD and healthy elderly men. DESIGN Twenty-four-week,(More)
OBJECTIVE The objective of this study was to identify the relation between the cognitive benefit seen with the cholinesterase inhibitor metrifonate and changes in brain metabolism as visualized with [18F]-fluorodeoxyglucose positron emission tomography (FDG-PET). BACKGROUND The regional metabolic correlates of treatment with cholinesterase inhibitors are(More)
BACKGROUND Regional brain correlates of treatment with cholinesterase inhibitors in those with Alzheimer disease are unknown. OBJECTIVE To map brain metabolism associated with the treatment response to galantamine with fludeoxyglucose F 18 positron emission tomography in patients with Alzheimer disease. DESIGN This is a hypothesis-driven, prospective,(More)
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