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Related Experiment Video

Updated: Apr 21, 2026

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Sleep restriction impairs blood-brain barrier function.

Junyun He1, Hung Hsuchou1, Yi He1

  • 1Blood-Brain Barrier Group, Pennington Biomedical Research Center, Baton Rouge, Louisiana 70808.

The Journal of Neuroscience : the Official Journal of the Society for Neuroscience
|October 31, 2014
PubMed
Summary
This summary is machine-generated.

Chronic sleep restriction impairs the blood-brain barrier (BBB) in mice, affecting microvascular function and increasing permeability. Recovery sleep can restore BBB function, highlighting implications for neuroscience and public health.

Keywords:
BBBglucose metabolismsleep durationsleep restrictiontransport

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Area of Science:

  • Neuroscience
  • Physiology
  • Sleep Science

Background:

  • The blood-brain barrier (BBB) regulates brain and peripheral circulation.
  • Chronic sleep restriction (CSR) may contribute to brain pathophysiological processes.
  • Understanding BBB changes during sleep loss is crucial.

Purpose of the Study:

  • To investigate the impact of CSR on BBB structure and microvascular function.
  • To test the hypothesis that CSR compromises BBB integrity.
  • To assess BBB permeability and molecular changes following sleep restriction.

Main Methods:

  • Developed a novel procedure for inducing CSR in mice over seven consecutive days.
  • Quantified changes in gene and protein expression in cerebral microvessels.
  • Measured brain glucose uptake and BBB permeability using tracers like sodium fluorescein and biotin.

Main Results:

  • CSR diminished the expression of nitric oxide synthase (eNOS, iNOS), endothelin-1, and glucose transporters in cerebral microvessels.
  • Brain 2-deoxy-glucose uptake was reduced following CSR.
  • Tight junction protein expression decreased, while cyclooxygenase-2 increased, leading to elevated BBB paracellular permeability.

Conclusions:

  • Six days of CSR significantly impairs BBB structure and function in mice.
  • Increased BBB permeability induced by CSR is reversible after 24 hours of recovery sleep.
  • Findings have implications for neuroscience research, public health policy, and clinical practice regarding sleep deprivation.