ZUANI DE, Marco, Petra LÁZNIČKOVÁ, Veronika TOMÁŠKOVÁ, Martina DVONČOVÁ, Giancarlo FORTE, Gorazd Bernard STOKIN, Vladimír ŠRÁMEK, Martin HELÁN and Jan FRIČ. High CD4-to-CD8 ratio identifies an at-risk population susceptible to lethal COVID-19. Scandinavian journal of immunology. HOBOKEN: WILEY, 2022, vol. 95, No 3, p. 1-11. ISSN 0300-9475. Available from: https://dx.doi.org/10.1111/sji.13125.
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Basic information
Original name High CD4-to-CD8 ratio identifies an at-risk population susceptible to lethal COVID-19
Authors ZUANI DE, Marco, Petra LÁZNIČKOVÁ (203 Czech Republic, belonging to the institution), Veronika TOMÁŠKOVÁ (203 Czech Republic, belonging to the institution), Martina DVONČOVÁ (703 Slovakia, belonging to the institution), Giancarlo FORTE (380 Italy), Gorazd Bernard STOKIN, Vladimír ŠRÁMEK (203 Czech Republic, belonging to the institution), Martin HELÁN (203 Czech Republic, belonging to the institution) and Jan FRIČ (203 Czech Republic, guarantor).
Edition Scandinavian journal of immunology, HOBOKEN, WILEY, 2022, 0300-9475.
Other information
Original language English
Type of outcome Article in a journal
Field of Study 30102 Immunology
Country of publisher Slovenia
Confidentiality degree is not subject to a state or trade secret
WWW URL
Impact factor Impact factor: 3.700
RIV identification code RIV/00216224:14110/22:00125332
Organization unit Faculty of Medicine
Doi http://dx.doi.org/10.1111/sji.13125
UT WoS 000729621000001
Keywords in English CD4-to-CD8 ratio; COVID-19; Intensive care unit; SARS-CoV-2; T cells; TEMRA
Tags 14110122, 14110513, rivok
Tags International impact, Reviewed
Changed by Changed by: Mgr. Tereza Miškechová, učo 341652. Changed: 20/7/2022 10:29.
Abstract
Around half of people with severe COVID-19 requiring intensive care unit (ICU) treatment will survive, but it is unclear how the immune response to SARS-CoV-2 differs between ICU patients that recover and those that do not. We conducted whole-blood immunophenotyping of COVID-19 patients upon admission to ICU and during their treatment and uncovered marked differences in their circulating immune cell subsets. At admission, patients who later succumbed to COVID-19 had significantly lower frequencies of all memory CD8+ T cell subsets, resulting in increased CD4-to-CD8 T cell and neutrophil-to-CD8 T cell ratios. ROC and Kaplan-Meier analyses demonstrated that both CD4-to-CD8 and neutrophil-to-CD8 ratios at admission were strong predictors of in-ICU mortality. Therefore, we propose the use of the CD4-to-CD8 T cell ratio as a marker for the early identification of those individuals likely to require enhanced monitoring and/or pro-active intervention in ICU.
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