Angiotensin II receptor I auto-antibodies following SARS-CoV-2 infection.

<h4>Background</h4>Coronavirus disease 2019 (COVID-19) is associated with endothelial activation and coagulopathy, which may be related to pre-existing or infection-induced pro-thrombotic autoantibodies such as those targeting angiotensin II type I receptor (AT1R-Ab).<h4>Methods<...

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Autores principales: Yonghou Jiang, Fergal Duffy, Jennifer Hadlock, Andrew Raappana, Sheila Styrchak, Ingrid Beck, Fred D Mast, Leslie R Miller, William Chour, John Houck, Blair Armistead, Venkata R Duvvuri, Winnie Yeung, Micaela Haglund, Jackson Wallner, Julie A Wallick, Samantha Hardy, Alyssa Oldroyd, Daisy Ko, Ana Gervassi, Kim M Murray, Henry Kaplan, John D Aitchison, James R Heath, D Noah Sather, Jason D Goldman, Lisa Frenkel, Whitney E Harrington
Formato: article
Lenguaje:EN
Publicado: Public Library of Science (PLoS) 2021
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Acceso en línea:https://doaj.org/article/3a7ec7eb35a945a696892947a1be46f4
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Sumario:<h4>Background</h4>Coronavirus disease 2019 (COVID-19) is associated with endothelial activation and coagulopathy, which may be related to pre-existing or infection-induced pro-thrombotic autoantibodies such as those targeting angiotensin II type I receptor (AT1R-Ab).<h4>Methods</h4>We compared prevalence and levels of AT1R-Ab in COVID-19 cases with mild or severe disease to age and sex matched negative controls utilizing multivariate logistic and quantile regression adjusted for comorbidities including hypertension, diabetes, and heart disease.<h4>Results</h4>There were trends toward increased prevalence (50% vs. 33%, p = 0.1) and level of AT1R-Ab (median 9.8 vs. 6.1 U/mL, p = 0.06) in all cases versus controls. When considered by COVID-19 disease severity, there was a trend toward increased prevalence of AT1R-Ab (55% vs. 31%, p = 0.07), as well as significantly higher AT1R-Ab levels (median 10.7 vs. 5.9 U/mL, p = 0.03) amongst individuals with mild COVID-19 versus matched controls. In contrast, the prevalence (42% vs. 37%, p = 0.9) and level (both medians 6.7 U/mL, p = 0.9) of AT1R-Ab amongst those with severe COVID-19 did not differ from matched controls.<h4>Conclusions</h4>These findings support an association between COVID-19 and AT1R-Ab, emphasizing that vascular pathology may be present in individuals with mild COVID-19 as well as those with severe disease.