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Updated: Jul 11, 2025

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Spatial transcriptomics reveals unique gene expression changes in different brain regions after sleep deprivation.

Yann Vanrobaeys1,2,3, Zeru J Peterson2,4, Emily N Walsh2,3,5

  • 1Interdisciplinary Graduate Program in Genetics, University of Iowa, 357 Medical Research Center Iowa City, Iowa, IA, USA.

Nature Communications
|November 5, 2023
PubMed
Summary
This summary is machine-generated.

Sleep deprivation significantly alters gene expression across the mouse brain, with the most substantial changes observed in the hippocampus and neocortex. These molecular responses to sleep loss are region-specific, indicating diverse biological mechanisms at play.

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Area of Science:

  • Neuroscience
  • Molecular Biology
  • Genomics

Background:

  • Sleep deprivation negatively impacts cognitive functions and metabolism.
  • Prior studies examined gene expression in isolated brain regions, leaving brain-wide effects unclear.

Purpose of the Study:

  • To investigate the brain-wide impact of sleep deprivation on gene expression using spatial transcriptomics.
  • To compare gene expression patterns across different brain regions after sleep loss.

Main Methods:

  • Utilized spatial transcriptomics in male mice subjected to a brief sleep deprivation period.
  • Developed novel bioinformatic tools for anatomical registration and cross-sample gene expression comparison.

Main Results:

  • Sleep deprivation caused significant, heterogeneous gene expression changes across the brain.
  • The hippocampus, neocortex, hypothalamus, and thalamus exhibited the most pronounced alterations.
  • Differentially expressed genes and their regulation patterns varied considerably between brain regions.

Conclusions:

  • Sleep deprivation elicits distinct molecular responses in different brain regions.
  • Region-specific molecular mechanisms contribute to the biological consequences of sleep loss.