期刊
EXPERIMENTAL BRAIN RESEARCH
卷 217, 期 3-4, 页码 471-479出版社
SPRINGER
DOI: 10.1007/s00221-011-2932-4
关键词
Cell death; Apoptosis; Alzheimer's disease; Signal transduction; Autophagy; Stress kinases
资金
- DFG [KO 1998/6-1, BE 1475/8-1, DE 551/11-1]
The roles of amyloid precursor protein (APP) family members in normal brain function are poorly understood. Under physiological conditions the majority of APP appears to be processed along the non-amyloidogenic pathway leading to the formation of the secreted N-terminal APP fragment sAPP alpha. This cleavage product of APP has been implicated in several physiological processes such as neuroprotection, synaptic plasticity, neurite outgrowth and synaptogenesis. In this review we focus on the role of APP family members in neuroprotection and summarize the cellular and molecular mechanisms which are believed to mediate this effect. We propose that a reduction of APP processing along the non-amyloidogenic pathway during brain aging could result in an enhanced susceptibility of neurons to cellular stress and could contribute to neurodegeneration in Alzheimer's disease.
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