Associations Between Choroid Plexus Integrity and Cognitive Decline in Aging: Insights from Advanced MRI Analysis.

Zhaoyuan Gong, Murat Bilgel, Mary E Faulkner, Jonghyun Bae, John P Laporte, Alex Guo, Susan M. Resnick, Josephine M. Egan, Mustapha Bouhrara

National Institute on Aging, Baltimore, MD, USANational Institute on Aging, Baltimore, MD, USA · pubmed

Paper

Abstract

The choroid plexus (CP), a vital component in the brain’s ventricles, is crucial for cerebrospinal fluid (CSF) production and maintenance of the brain’s physiological environment. It plays a key role in regulating neuroinflammatory responses, clearing harmful substances, producing neurotrophic factors and signaling molecules, and forming blood‐CSF barrier. Consequently, changes to the CP’s structural integrity could disrupt brain homeostasis and lead to cognitive impairment. Indeed, recent research has highlighted CP alterations in aging as well as in various cognitive disorders including Alzheimer’s and Parkinson’s diseases. This study investigates the correlation between the macrostructural and microstructural integrity of the CP and longitudinal cognitive changes in cognitively unimpaired individuals.

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Research summary

The paper investigates the relationship between choroid plexus integrity and cognitive decline in aging, which is relevant to understanding mechanisms underlying age-related cognitive impairment. However, it primarily focuses on correlations rather than addressing root causes of aging or proposing interventions for lifespan extension. The findings may contribute to the field but do not represent a significant advancement or breakthrough.

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