Cited by 16Prion Diseases and Protein MisfoldingNeuroinflammation and Neurodegeneration MechanismsAlzheimer's disease research and treatments

Neurons and Astrocytes Elicit Brain Region Specific Transcriptional Responses to Prion Disease in the Murine CA1 and Thalamus

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Slota, Jessy A., Medina, Sarah J., Frost, Kathy L., Booth, Stephanie A.·2022·Frontiers in Neuroscience

Abstract

Progressive dysfunction and loss of neurons ultimately culminates in the symptoms and eventual fatality of prion disease, yet the pathways and mechanisms that lead to neuronal degeneration remain elusive. Here, we used RNAseq to profile transcriptional changes in microdissected CA1 and thalamus brain tissues from prion infected mice. Numerous transcripts were altered during clinical disease, whereas very few transcripts were reliably altered at pre-clinical time points. Prion altered transcripts were assigned to broadly defined brain cell types and we noted a strong transcriptional signature that was affiliated with reactive microglia and astrocytes. While very few neuronal transcripts were common between the CA1 and thalamus, we described transcriptional changes in both regions that were related to synaptic dysfunction. Using transcriptional profiling to compare how different neuronal populations respond during prion disease may help decipher mechanisms that lead to neuronal demise and should be investigated with greater detail.

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  • While microglia expression profiles change considerably over the course of disease in a region-dependent manner, neuronal phenotypes remain comparatively stable.

    “Interestingly, while microglia expression profiles changed considerably of the course of disease in a region-dependent manner, neuronal phenotypes remained comparatively stable [37,38].”

    From Loss of Homeostatic Microglia Signature in Prion Diseases (2022) · cites this paper as [37]

  • Progressive dysregulation of glia cells including microglia can be demonstrated on the gene expression level.

    “Progressive dysregulation of glia cells including microglia could also be demonstrated on the gene expression level using novel techniques [37,38].”

    From Loss of Homeostatic Microglia Signature in Prion Diseases (2022) · cites this paper as [37]

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Authors
Slota, J. A., Medina, S. J., Frost, K. L., & Booth, S. A.
Affiliations
Public Health Agency of Canada (CA)
Corresponding author
Booth, Stephanie A.
Venue
Frontiers in Neuroscience
Published
2022-05-16
Volume
16
Pages
918811-918811
ISSN
1662-453X (ISSN-L)
OpenAlex
W4280558165
Cited by
16
References
98
Citations by year
2026: 1 · 2025: 7 · 2024: 3 · 2023: 1 · 2022: 4
FWCI
1.22
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Neuroscience (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • Public Health Agency of Canada
  • Public Health Agency
Topics
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Prion Diseases and Protein Misfolding
  • Life Sciences › Neuroscience › Neurology › Neuroinflammation and Neurodegeneration Mechanisms
  • Health Sciences › Medicine › Physiology › Alzheimer's disease research and treatments
Keywords
prion disease, gene expression profiling, hippocampal CA1, thalamus, astrocytes, microglia, reactive microglia, synaptic dysfunction, neurodegeneration, brain cell types, preclinical disease

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