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Overview

MeSH Disease

Human Phenotype

There are no HP terms in the subcorpus


Transmission

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Seroprevalence

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    Kidney and Lung ACE2 expression after an ACE inhibitor or an Ang II receptor blocker: implications for COVID-19

    Authors: Jan Wysocki; Enrique Lores; Minghao Ye; Daniel Batlle

    doi:10.1101/2020.05.20.106658 Date: 2020-05-20 Source: bioRxiv

    BackgroundThere have been concerns that ACE inhibitors and Ang II receptor blockers may cause an increase in ACE2, the main receptor for SARs-CoV-2. MethodsKidneys from two genetic models of kidney ACE ablation and mice treated with captopril or telmisartan were used to examine ACE2 in isolated kidney and lung membranes. ResultsIn a global ACE KO mice, ACE2 protein abundance in kidney membranes was reduced to 42 % of wild type, p < 0.05. In ACE 8/8 mice that over-expresses cardiac ACE protein but also has no kidney ACE expression, ACE2 protein in kidney membranes was also decreased (38 % of the WT, p<0.01). In kidney membranes from mice that received captopril or telmisartan for 2 weeks there was a reduction in ACE2 protein (37% in captopril treated p<0.01) and 76% in telmisartan treated p <0.05). In lung membranes the expression of ACE2 was very low and not detected by western blotting but no significant differences in terms of ACE2 activity could be detected in mice treated with captopril (118% of control) or telmisartan (93% of control). ConclusionsGenetic kidney ACE protein deficiency MESHD, suppressed enzymatic activity by Captopril or blockade of the AT1 receptor with telmisartan are all associated with a decrease in ACE2 in kidney membranes. ACE2 protein in kidney or lungs is decreased or unaffected by RAS blockers indicating that these medications can not pose a risk for SARS-CoV-2 infection MESHD related to amplification of ACE2 at these two target sites for viral entry.

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MeSH Disease
Human Phenotype
Transmission
Seroprevalence


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