Angiotensin-Converting Enzyme 2 in Health and Diseases

A special issue of Cells (ISSN 2073-4409). This special issue belongs to the section "Cellular Pathology".

Deadline for manuscript submissions: closed (31 August 2023) | Viewed by 2018

Special Issue Editor

Department of Pathology, Cedars-Sinai Medical Center, Los Angeles, CA 90048, USA
Interests: angiotensin-converting enzyme (ACE); myeloid cell; immune response; neutrophils; macrophages; infections; tumor

Special Issue Information

Dear Colleagues,

The renin–angiotensin system (RAS) plays an important role in maintaining body fluid and electrolyte homeostasis and blood pressure regulation. It has been more than 20 years since the discovery of angiotensin-converting enzyme 2 (ACE2), a key enzyme of RAS. ACE2 belongs to the angiotensin-converting enzyme family of dipeptidyl carboxydipeptidases, and converts angiotensin I to angiotensin 1–9, a nine-amino acid peptide with an antihypertrophic effect. ACE2 acts as a counter regulatory enzyme for ACE, cleaving angiotensin II to angiotensin 1–7 to act as a vasodilator and antiproliferation agent. Given its extensive presence in various organs and numerous physiological functions, ACE2 is associated with an array of disease pathologies related to cardiovascular, pulmonary and renal function and fertility, and more recently in SARS-Cov-2 infection; however, the full spectrum of its functions has not been fully elucidated. Moreover, fundamental questions remain about the role of ACE2 in other organs exhibiting moderate expression and its mechanism of action in regulating conditions such as inflammation, infection and brain function. The recent wave of literature on ACE2’s role in COVID-19 has overshadowed the important roles of ACE2 in other physiologies and pathophysiologies. The protective effects of ACE2 expression in systemic and pulmonary hypertension, cardiovascular diseases, diabetes, kidney injury, liver injury and brain function have been well-established in the last two decades of research. There has been a battery of humanized transgenic ACE2 animal models generated during COVID-19 pandemic, which can be used to appreciate the deeper mechanistic understanding of ACE2 physiology. This Special Issue, “ACE2 in health and diseases”, will cover articles describing the molecular aspects of ACE2 to advance our understanding of its roles in health and disease. We invite all the submission of all experimental studies, review articles and commentaries on this topic. 

Dr. Zakir Khan
Guest Editor

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Keywords

  • angiotensin-converting enzyme 2
  • Renin-Angiotensin System (RAS)
  • coronavirus
  • COVID-19
  • infection
  • health and diseases
  • pathophysiology
  • metabolism
  • cardiovascular diseases
  • hypertension
  • diabetes
  • neuropathology

Published Papers (1 paper)

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Research

22 pages, 4014 KiB  
Article
Novel Therapeutic Target Critical for SARS-CoV-2 Infectivity and Induction of the Cytokine Release Syndrome
by William W. Harless, Beth Lewis, Bessi Qorri, Samar Abdulkhalek and Myron R. Szewczuk
Cells 2023, 12(9), 1332; https://doi.org/10.3390/cells12091332 - 07 May 2023
Cited by 1 | Viewed by 1749
Abstract
We discovered a novel therapeutic target critical for SARS-CoV-2, cellular infectivity and the induction of the cytokine release syndrome. Here, we show that the mammalian enzyme neuraminidase-1 (Neu-1) is part of a highly conserved signaling platform that regulates the dimerization and activation of [...] Read more.
We discovered a novel therapeutic target critical for SARS-CoV-2, cellular infectivity and the induction of the cytokine release syndrome. Here, we show that the mammalian enzyme neuraminidase-1 (Neu-1) is part of a highly conserved signaling platform that regulates the dimerization and activation of the ACE2 receptors and the Toll-like receptors (TLRs) implicated in the cytokine release syndrome (CRS). Activated Neu-1 cleaves glycosylated residues that provide a steric hindrance to both ACE2 and TLR dimerization, a process critical to both viral attachment to the receptor and entry into the cell and TLR activation. Blocking Neu-1 inhibited ACE2 receptor dimerization and internalization, TLR dimerization and activation, and the expression of several key inflammatory molecules implicated in the CRS and death from ARDS. Treatments that target Neu-1 are predicted to be highly effective against infection with SARS-CoV-2, given the central role played by this enzyme in viral cellular entry and the induction of the CRS. Full article
(This article belongs to the Special Issue Angiotensin-Converting Enzyme 2 in Health and Diseases)
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