期刊
NEURODEGENERATIVE DISEASES
卷 19, 期 3-4, 页码 109-127出版社
KARGER
DOI: 10.1159/000505625
关键词
Vasculature; Coagulation; Inflammation; Blood-brain barrier; Alzheimer's disease
资金
- Swiss National Science Foundation [320030_179277, 32NE30_173678/1]
- Synapsis foundation
- Vontobel Stiftung
- Swiss National Science Foundation (SNF) [32NE30_173678, 320030_179277] Funding Source: Swiss National Science Foundation (SNF)
Background: Cerebrovascular disease is a common comorbidity in patients with Alzheimer's disease (AD). It is believed to contribute additively to the cognitive impairment and to lower the threshold for the development of dementia. However, accumulating evidence suggests that dysfunction of the cerebral vasculature and AD neuropathology interact in multiple ways. Vascular processes even proceed AD neuropathology, implicating a causal role in the etiology of AD. Thus, the review aims to provide an integrated view on vascular dysfunction in AD. Summary: In AD, the cerebral vasculature undergoes pronounced cellular, morphological and structural changes, which alters regulation of blood flow, vascular fluid dynamics and vessel integrity. Stiffening of central blood vessels lead to transmission of excessive pulsatile energy to the brain microvasculature, causing end-organ damage. Moreover, a dysregulated hemostasis and chronic vascular inflammation further impede vascular function, where its mediators interact synergistically. Changes of the cerebral vasculature are triggered and driven by systemic vascular abnormalities that are part of aging, and which can be accelerated and aggravated by cardiovascular diseases. Key Messages: In AD, the cerebral vasculature is the locus where multiple pathogenic processes converge and contribute to cognitive impairment. Understanding the molecular mechanism and pathophysiology of vascular dysfunction in AD and use of vascular blood-based and imaging biomarker in clinical studies may hold promise for future prevention and therapy of the disease.
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