The Fas antigen (CD95) is a cell surface receptor that mediates cell apoptosis signalling. Recent investigations have shown that Fas-regulated apoptosis was linked to neurodegenerative lesions in the brain of patients with Alzheimer’s disease (AD). Here data regarding the association of two polymorphisms of the Fas promoter region with AD patient’s cognitive deterioration are reported. The polymorphism at position –1377 was associated with the risk of developing AD and with a differential rate of cognitive decline during a 2-year follow-up. The polymorphism at position –670 was not associated with the risk of AD and with the cognitive decline during the follow-up. Our data suggest that different genetic background in the Fas gene may influence the risk and clinical progression of the disease by affecting neurodegenerative processes leading to neuronal loss.

Keywords:
Fas gene polymorphisms, Cognitive decline, Mini Mental State Examination, Alzheimer’s disease
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© 2006 S. Karger AG, Basel
2006
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