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      Alzheimer’s disease and the basal forebrain cholinergic system: relations to β-amyloid peptides, cognition, and treatment strategies

      , , ,
      Progress in Neurobiology
      Elsevier BV

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          Abstract

          Alzheimer's disease (AD) is the most common form of degenerative dementia and is characterized by progressive impairment in cognitive function during mid- to late-adult life. Brains from AD patients show several distinct neuropathological features, including extracellular beta-amyloid-containing plaques, intracellular neurofibrillary tangles composed of abnormally phosphorylated tau, and degeneration of cholinergic neurons of the basal forebrain. In this review, we will present evidence implicating involvement of the basal forebrain cholinergic system in AD pathogenesis and its accompanying cognitive deficits. We will initially discuss recent results indicating a link between cholinergic mechanisms and the pathogenic events that characterize AD, notably amyloid-beta peptides. Following this, animal models of dementia will be discussed in light of the relationship between basal forebrain cholinergic hypofunction and cognitive impairments in AD. Finally, past, present, and future treatment strategies aimed at alleviating the cognitive symptomatology of AD by improving basal forebrain cholinergic function will be addressed. Copyright 2002 Elsevier Science Ltd.

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          Author and article information

          Journal
          Progress in Neurobiology
          Progress in Neurobiology
          Elsevier BV
          03010082
          October 2002
          October 2002
          : 68
          : 3
          : 209-245
          Article
          10.1016/S0301-0082(02)00079-5
          12450488
          fbfb357c-52f8-4ab9-b610-537521a1b444
          © 2002

          https://www.elsevier.com/tdm/userlicense/1.0/

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