期刊
PHARMACOLOGY & THERAPEUTICS
卷 234, 期 -, 页码 -出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.pharmthera.2022.108119
关键词
Alzheimer's disease; Blood-brain barrier; Barrier dysfunction; Barrier leakage; Neurovasculature; Cerebrovasculature
资金
- [2R01AG039621]
- [R01AG075583]
This review summarizes the extent and clinical relevance of barrier leakage in Alzheimer's disease (AD). By examining animal models, clinical and postmortem studies, signaling mechanisms, and potential therapeutic strategies, the review provides insights into the relationship between barrier leakage and neurodegeneration, cognitive decline, and the development of novel therapeutic targets for AD.
Alzheimer's disease (AD) is the most common form of dementia. AD brain pathology starts decades before the onset of clinical symptoms. One early pathological hallmark is blood-brain barrier dysfunction characterized by barrier leakage and associated with cognitive decline. In this review, we summarize the existing literature on the extent and clinical relevance of barrier leakage in AD. First, we focus on AD animal models and their susceptibility to barrier leakage based on age and genetic background. Second, we re-examine barrier dysfunction in clinical and postmortem studies, summarize changes that lead to barrier leakage in patients and highlight the clinical relevance of barrier leakage in AD. Third, we summarize signaling mechanisms that link barrier leakage to neurodegeneration and cognitive decline in AD. Finally, we discuss clinical relevance and potential therapeutic strategies and provide future perspectives on investigating barrier leakage in AD. Identifying mechanistic steps underlying barrier leakage has the potential to unravel new targets that can be used to develop novel therapeutic strategies to repair barrier leakage and slow cognitive decline in AD and AD-related dementias. (c) 2022 The Author(s). Published by Elsevier Inc. This is an open access article under the CC BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/).
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