期刊
DIABETES-METABOLISM RESEARCH AND REVIEWS
卷 31, 期 1, 页码 1-13出版社
WILEY
DOI: 10.1002/dmrr.2531
关键词
insulin resistance; diabetes; hippocampal dysfunction; Alzheimer's disease; cognitive decline; obesity
A growing body of animal and epidemiological studies suggest that metabolic diseases such as obesity, insulin resistance, metabolic syndrome and type 2 diabetes mellitus are associated with the development of cognitive impairment, dementia and Alzheimer's disease, particularly in aging. Several lines of evidence suggest that insulin signalling dysfunction produces these metabolic alterations and underlie the development of these neurodegenerative diseases. In this article, we address normal insulin function in the synapse; we review and discuss the physiopathological hallmarks of synaptic insulin signalling dysfunction associated with metabolic alterations. Additionally, we describe and review the major animal models of obesity, insulin resistance, metabolic syndrome and type 2 diabetes mellitus. The comprehensive knowledge of the molecular mechanisms behind the association of metabolic alterations and cognitive impairment could facilitate the early detection of neurodegenerative diseases in patients with metabolic alterations, with treatment that focus on neuroprotection. It could also help in the development of metabolic-based therapies and drugs for using in dementia and Alzheimer's disease patients to alleviate their symptoms in a more efficient and comprehensive way. Copyright (c) 2014 John Wiley & Sons, Ltd.
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