Article: ACE2 protein expression within isogenic cell lines is heterogeneous and associated with distinct transcriptomes.
bioRxiv : the preprint server for biology
2021
Abstract: The membrane protein angiotensin-converting enzyme 2 (ACE2) is a physiologic regulator of the renin-angiotensin system and the cellular receptor for the SARS-CoV-2 virus. Prior studies of ACE2 expression have primarily focused on mRNA abundance, with ... ...
Abstract | The membrane protein angiotensin-converting enzyme 2 (ACE2) is a physiologic regulator of the renin-angiotensin system and the cellular receptor for the SARS-CoV-2 virus. Prior studies of ACE2 expression have primarily focused on mRNA abundance, with investigation at the protein level limited by uncertain specificity of commercial ACE2 antibodies. Here, we report our development of a sensitive and specific flow cytometry-based assay for cellular ACE2 protein abundance. Application of this approach to multiple cell lines revealed an unexpected degree of cellular heterogeneity, with detectable ACE2 protein in only a subset of cells in each isogenic population. This heterogeneity was mediated at the mRNA level by transcripts predominantly initiated from the |
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Language | English |
Publishing date | 2021-03-26 |
Publishing country | United States |
Document type | Preprint |
DOI | 10.1101/2021.03.26.437218 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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