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10.1038/s41598-021-91417-7

http://scihub22266oqcxt.onion/10.1038/s41598-021-91417-7
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34088975!8178312!34088975
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suck abstract from ncbi


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pmid34088975      Sci+Rep 2021 ; 11 (1): 11886
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  • Regulation of the acetylcholine/alpha7nAChR anti-inflammatory pathway in COVID-19 patients #MMPMID34088975
  • Courties A; Boussier J; Hadjadj J; Yatim N; Barnabei L; Pere H; Veyer D; Kerneis S; Carlier N; Pene F; Rieux-Laucat F; Charbit B; Bondet V; Duffy D; Berenbaum F; Terrier B; Sellam J
  • Sci Rep 2021[Jun]; 11 (1): 11886 PMID34088975show ga
  • The cholinergic system has been proposed as a potential regulator of COVID-19-induced hypercytokinemia. We investigated whole-blood expression of cholinergic system members and correlated it with COVID-19 severity. Patients with confirmed SARS-CoV-2 infection and healthy aged-matched controls were included in this non-interventional study. A whole blood sample was drawn between 9-11 days after symptoms onset, and peripheral leukocyte phenotyping, cytokines measurement, RNA expression and plasma viral load were determined. Additionally, whole-blood expression of native alpha-7 nicotinic subunit and its negative dominant duplicate (CHRFAM7A), choline acetyltransferase and acetylcholine esterase (AchE) were determined. Thirty-seven patients with COVID-19 (10 moderate, 11 severe and 16 with critical disease) and 14 controls were included. Expression of CHRFAM7A was significantly lower in critical COVID-19 patients compared to controls. COVID-19 patients not expressing CHRFAM7A had higher levels of CRP, more extended pulmonary lesions and displayed more pronounced lymphopenia. COVID-19 patients without CHRFAM7A expression also showed increased TNF pathway expression in whole blood. AchE was also expressed in 30 COVID-19 patients and in all controls. COVID-19-induced hypercytokinemia is associated with decreased expression of the pro-inflammatory dominant negative duplicate CHRFAM7A. Expression of this duplicate might be considered before targeting the cholinergic system in COVID-19 with nicotine.
  • |Acetylcholine/*immunology[MESH]
  • |Adult[MESH]
  • |Aged[MESH]
  • |COVID-19/genetics/*immunology[MESH]
  • |Down-Regulation[MESH]
  • |Female[MESH]
  • |Humans[MESH]
  • |Inflammation/genetics/*immunology[MESH]
  • |Male[MESH]
  • |Middle Aged[MESH]
  • |SARS-CoV-2/*immunology[MESH]


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