Role of ACE2 in COVID-19
In the renin-angiotensin system (RAS), angiotensin II (AngII) converted by angiotensin converting enzyme (ACE) exerts a strong physiological activity via the AT1 receptor (AT1R). Thus, the ACE-AngII-AT1R axis positively regulates RAS. On the other hand, angiotensin converting enzyme 2 (ACE2) is known to negatively regulate RAS by degrading AngII into angiotensin 1-7 (Ang1-7). In the acute respiratory distress syndrome (ARDS), which is characterized by pulmonary hyperinflammation, the AngII-AT1R axis acts to exacerbate ARDS and the ACE2-AT2R axis acts protectively. More recently, ACE2 has been shown to be a receptor for SARS-CoV, the causative virus of severe acute respiratory syndrome (SARS), and SARS-CoV2, the causative virus of the 2019 coronavirus infection (COVID-19). Therefore, inhibition of the binding between ACE2 and virus spike protein is a drug discovery target for antiviral drugs against SARS-CoV and SARS-CoV2. In addition, when SARS and COVID-19 become severe, ARDS with cytokine storm is occured. We reported that soluble ACE2 protein and microbial-derived ACE2 like enzyme suppress pulmonary hyperinflammation due to SARS and COVID-19, respectively. In addition, it has been reported that the ACE2-soluble protein has an effect of suppressing the establishment of infection by inhibiting the binding between SARS-CoV2 and the cell membrane surface ACE2. Here, we describe the role of ACE2 in the pathophysiology of SARS/COVID-19 from the perspectives of inhibiting the progression to ARDS by suppressing pulmonary inflammation and suppressing the replication of the virus by inhibiting the binding of ACE2 to the spike protein.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:157 |
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| Enthalten in: |
Nihon yakurigaku zasshi. Folia pharmacologica Japonica - 157(2022), 2 vom: 15., Seite 115-118 |
| Sprache: |
Japanisch |
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| Beteiligte Personen: |
Imai, Yumiko [VerfasserIn] |
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| Links: |
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| Themen: |
ACE2 protein, human |
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| Anmerkungen: |
Date Completed 02.03.2022 Date Revised 07.12.2022 published: Print Citation Status MEDLINE |
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| doi: |
10.1254/fpj.21104 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM337598363 |
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| 520 | |a In the renin-angiotensin system (RAS), angiotensin II (AngII) converted by angiotensin converting enzyme (ACE) exerts a strong physiological activity via the AT1 receptor (AT1R). Thus, the ACE-AngII-AT1R axis positively regulates RAS. On the other hand, angiotensin converting enzyme 2 (ACE2) is known to negatively regulate RAS by degrading AngII into angiotensin 1-7 (Ang1-7). In the acute respiratory distress syndrome (ARDS), which is characterized by pulmonary hyperinflammation, the AngII-AT1R axis acts to exacerbate ARDS and the ACE2-AT2R axis acts protectively. More recently, ACE2 has been shown to be a receptor for SARS-CoV, the causative virus of severe acute respiratory syndrome (SARS), and SARS-CoV2, the causative virus of the 2019 coronavirus infection (COVID-19). Therefore, inhibition of the binding between ACE2 and virus spike protein is a drug discovery target for antiviral drugs against SARS-CoV and SARS-CoV2. In addition, when SARS and COVID-19 become severe, ARDS with cytokine storm is occured. We reported that soluble ACE2 protein and microbial-derived ACE2 like enzyme suppress pulmonary hyperinflammation due to SARS and COVID-19, respectively. In addition, it has been reported that the ACE2-soluble protein has an effect of suppressing the establishment of infection by inhibiting the binding between SARS-CoV2 and the cell membrane surface ACE2. Here, we describe the role of ACE2 in the pathophysiology of SARS/COVID-19 from the perspectives of inhibiting the progression to ARDS by suppressing pulmonary inflammation and suppressing the replication of the virus by inhibiting the binding of ACE2 to the spike protein | ||
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