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Journal of Brain Research

ISSN: 2684-4583

Open Access

Sung-Ung Kang

Department of Neuroregeneration and Stem Cell Programs, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA

Publications
  • Research Article   
    ACE2-Expressing Endothelial Cells in Aging Mouse Brain
    Author(s): Su Bin Lim, Valina L. Dawson*, Ted M. Dawson* and Sung-Ung Kang*

    Angiotensin-Converting Enzyme 2 (ACE2) is a key receptor mediating the entry of SARS-CoV-2 into the host cell. Through a systematic analysis of publicly available mouse brain sc/snRNA-seq data, we found that ACE2 is specifically expressed in small sub-populations of endothelial cells and mural cells, namely pericytes and vascular smooth muscle cells. Further, functional changes in viral mRNA transcription and replication, and impaired blood-brain barrier regulation were most prominently implicated in the aged, ACE2-expressing endothelial cells, when compared to the young adult mouse brains. Concordant EC transcriptomic changes were further found in normal aged human brains. Overall, this work reveals an outline of ACE2 distribution in the mouse brain and identifies putative brain host cells that may underlie the selective susceptibility of the aging brain to viral infection... Read More»
    DOI: 10.37421/2684-4583.2020.3.116

    Abstract HTML PDF

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Citations: 2

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