ACE2 levels are altered in comorbidities linked to severe outcome in COVID-19
Abstract
Aims
Severity of outcome in COVID-19 is disproportionately higher among the obese, males, smokers, those suffering from hypertension, kidney disease, coronary heart disease (CHD) and/or type 2 diabetes (T2D). We examined if serum levels of ACE2, the cellular entry point for the coronavirus SARS-CoV-2, were altered in these high-risk groups.
Methods
Associations of serum ACE2 levels to hypertension, T2D, obesity, CHD, smokers and males in a single center population-based study of 5457 Icelanders from the Age, Gene/Environment Susceptibility Reykjavik Study (AGES-RS) of the elderly (mean age 75±6 years).
Results
Smokers, males, and individuals with T2D or obesity have altered serum levels of ACE2 that may influence productive infection of SARS-CoV-2 in these high-risk groups.
Conclusion
ACE2 levels are upregulated in some patient groups with comorbidities linked to COVID-19 and as such may have an emerging role as outcome in COVID-19. a circulating biomarker for severity of severity of outcome in COVID-19.
Key Points
Question
Severity of outcome in COVID-19 is disproportionately higher among the obese, males, smokers, those suffering from hypertension, kidney disease, coronary heart disease (CHD) and/or type 2 diabetes (T2D). Thus, we asked if the coronavirus SARS-CoV-2 receptor ACE2 was altered in the sera from these high-risk groups?
Findings
In a single center population-based study of 5457 Icelanders, the Age, Gene/Environment Susceptibility Reykjavik Study (AGES-RS), we find that ACE2 levels are significantly elevated in serum from smokers, obese and diabetic individuals, while reduced in males.
Meaning
These results demonstrate that individuals with comorbidities associated with infection of SARS-CoV-2 in these individuals. severe outcome in COVID-19 have altered serum levels of ACE2 that may influence productive
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