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The Lung-Brain Axis in Cognitive Impairment and Dementia: Mechanisms and Therapeutic Prospects

delete2026-04-01
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PRE
AI
D
Dove, Abigail
Y
Yang, Dan
S
Su, Qiaoli
W
Wang, Jiao
Y
Yue, Jirong
DOI:10.14336/AD.2026.0095delete
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Abstract

Abstract

En 中文
The lung-brain axis has been recognized as a critical interface linking lung health to cognitive disorders, including cognitive impairment, Alzheimer's disease, and dementia. Epidemiological and clinical evidence shows a close association between compromised lung health-including chronic obstructive pulmonary disease (COPD), asthma, obstructive sleep apnea (OSA), and pulmonary infections-and cognitive impairment and dementia. Potential mechanisms include established factors (systemic inflammation and immune crosstalk, hypoxic injury, and air-pollutant-induced neurotoxicity) and exploratory mechanisms (lung microbiome dysregulation). Notably, lung-centric strategies targeting the lung-brain axis involve repurposing pulmonary medications, intervening in shared mechanisms, and employing non-pharmacological strategies. Furthermore, realizing this promise will require future randomized controlled trials (RCTs) to develop comprehensive management strategies and alleviate the global burden of cognitive impairment and dementia.
Keywords:
Lung-brain axis
Cognitive impairment
Dementia
Alzheimer's disease
Mechanisms
Therapeutic strategies

Journal

A
Aging and Disease
IF:
6.9
Papers:
1.4K
Citations:
7.6K

Organization

K
karolinska institutet
Scholars:
6.1K
Papers: 2.3K
Citations: 0
S
sichuan university
Scholars:
11.5W
Papers: 7.6W
Citations: 100
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