Cited by 118Barrier Structure and Function StudiesTelomeres, Telomerase, and SenescenceNitric Oxide and Endothelin Effects

Implicating endothelial cell senescence to dysfunction in the ageing and diseased brain

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Graves, Sara I., Baker, Darren J.·2020·Basic & Clinical Pharmacology & Toxicology

Abstract

Cerebrovascular endothelial cells (CECs) are integral components of both the blood‐brain barrier (BBB) and the neurovascular unit (NVU). As the primary cell type of the BBB, CECs are responsible for the tight regulation of molecular transport between the brain parenchyma and the periphery. Additionally, CECs are essential in neurovascular coupling where they help regulate cerebral blood flow in response to regional increases in cellular demand in the NVU. CEC dysfunction occurs during both normative ageing and in cerebrovascular disease, which leads to increased BBB permeability and neurovascular uncoupling. This MiniReview compiles what is known about the molecular changes underlying CEC dysfunction, many of which are reminiscent of cells that have become senescent. In general, cellular senescence is defined as an irreversible growth arrest characterized by the acquisition of a pro‐inflammatory secretory phenotype in response to DNA damage or other cellular stresses. We discuss evidence for endothelial cell senescence in ageing and cardiovascular disease, and how CEC senescence may contribute to age‐related cerebrovascular dysfunction.

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  • The expression of senescent factors, SASPs in particular, creates an inflammatory milieu within the brain believed to modulate neuroimmune processes while also compromising the integrity of the BBB.

    “The expression of senescent factors, SASPs in particular, creates an inflammatory milieu within the brain believed to modulate neuroimmune processes while also compromising the integrity of the BBB (169, 170).”

    From Connecting aging biology and inflammation in the omics era (2022) · cites this paper as [169]

  • The endothelial cells that line the blood vessels in the brain become less effective with age, and an increase in their permeability can lead to a compromised barrier.

    “The endothelial cells that line the blood vessels in the brain become less effective with age. An increase in the permeability of these cells can lead to a compromised barrier.149”

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Authors
Graves, S. I., & Baker, D. J.
Affiliations
Mayo Clinic (US)
Corresponding author
Baker, Darren J.
Venue
Basic & Clinical Pharmacology & Toxicology
Publisher
Wiley
Published
2020-03-23
Volume
127
Issue
2
Pages
102-110
ISSN
  • 1742-7835 (ISSN-L)
  • 1742-7843
OpenAlex
W3012161629
Cited by
118
References
85
Citations by year
2026: 21 · 2025: 21 · 2024: 23 · 2023: 17 · 2022: 17 · 2021: 12 · 2020: 5 · 2015: 1 · 2012: 1
FWCI
1.27
Type
journal article
Language
en
Open access
Locations
  • Basic & Clinical Pharmacology & Toxicology (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • Glenn Foundation for Medical Research
  • Cure Alzheimer's Fund
  • Ellison Medical Foundation
  • National Institutes of Health (AG53229)
Topics
  • Life Sciences › Neuroscience › Neurology › Barrier Structure and Function Studies
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Physiology › Nitric Oxide and Endothelin Effects
Keywords
endothelial cell senescence, brain endothelial cells, blood-brain barrier, neurovascular unit, neurovascular uncoupling, cerebral blood flow, brain aging, cerebrovascular disease, senescence-associated secretory phenotype, DNA damage, blood-brain barrier permeability
MeSH terms
Neurovascular Coupling, Aging, Blood-Brain Barrier, Brain, Capillary Permeability, Cerebrovascular Disorders, Humans, Nitric Oxide, Cytokines, Cellular Senescence, Endothelial Cells, Nitric Oxide Synthase Type III

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