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Prolonged and extended impacts of SARS-CoV-2 on the olfactory neurocircuit
Shinji Urata; Megumi Kishimoto-Urata; Ryoji Kagoya; Fumiaki Imamura; Shin Nagayama; Rachel A Reyna; Junki Maruyama; Tatsuya Yamasoba; Kenji Kondo; Sanae Hasegawa-Ishii; Slobodan Paessler.
Affiliation
  • Shinji Urata; University of Texas Medical Branch
  • Megumi Kishimoto-Urata; University of Texas Medical Branch
  • Ryoji Kagoya; The University of Tokyo
  • Fumiaki Imamura; Penn State College of Medicine
  • Shin Nagayama; The University of Texas Health Science Center at Houston
  • Rachel A Reyna; University of Texas Medical Branch
  • Junki Maruyama; University of Texas Medical Branch
  • Tatsuya Yamasoba; The University of Tokyo
  • Kenji Kondo; The University of Tokyo
  • Sanae Hasegawa-Ishii; Kyorin University
  • Slobodan Paessler; University of Texas Medical Branch
Preprint in English | bioRxiv | ID: ppbiorxiv-467274
ABSTRACT
The impact of SARS-CoV-2 on the olfactory pathway was studied over several time points using Syrian golden hamsters. We found an incomplete recovery of the olfactory sensory neurons, prolonged activation of glial cells in the olfactory bulb, and a decrease in the density of dendritic spines within the hippocampus. These data may be useful for elucidating the mechanism underlying long-lasting olfactory dysfunction and cognitive impairment as a post-acute COVID-19 syndrome.
License
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Full text: Available Collection: Preprints Database: bioRxiv Type of study: Experimental_studies Language: English Year: 2021 Document type: Preprint
Full text: Available Collection: Preprints Database: bioRxiv Type of study: Experimental_studies Language: English Year: 2021 Document type: Preprint
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