PT - JOURNAL ARTICLE AU - Rendeiro, André F AU - Casano, Joseph AU - Vorkas, Charles Kyriakos AU - Singh, Harjot AU - Morales, Ayana AU - DeSimone, Robert A AU - Ellsworth, Grant B AU - Soave, Rosemary AU - Kapadia, Shashi N AU - Saito, Kohta AU - Brown, Christopher D AU - Hsu, JingMei AU - Kyriakides, Christopher AU - Chiu, Steven AU - Cappelli, Luca Vincenzo AU - Cacciapuoti, Maria Teresa AU - Tam, Wayne AU - Galluzzi, Lorenzo AU - Simonson, Paul D AU - Elemento, Olivier AU - Salvatore, Mirella AU - Inghirami, Giorgio TI - Profiling of immune dysfunction in COVID-19 patients allows early prediction of disease progression AID - 10.26508/lsa.202000955 DP - 2021 Feb 01 TA - Life Science Alliance PG - e202000955 VI - 4 IP - 2 4099 - http://www.life-science-alliance.org/content/4/2/e202000955.short 4100 - http://www.life-science-alliance.org/content/4/2/e202000955.full SO - Life Sci. Alliance2021 Feb 01; 4 AB - With a rising incidence of COVID-19–associated morbidity and mortality worldwide, it is critical to elucidate the innate and adaptive immune responses that drive disease severity. We performed longitudinal immune profiling of peripheral blood mononuclear cells from 45 patients and healthy donors. We observed a dynamic immune landscape of innate and adaptive immune cells in disease progression and absolute changes of lymphocyte and myeloid cells in severe versus mild cases or healthy controls. Intubation and death were coupled with selected natural killer cell KIR receptor usage and IgM+ B cells and associated with profound CD4 and CD8 T-cell exhaustion. Pseudo-temporal reconstruction of the hierarchy of disease progression revealed dynamic time changes in the global population recapitulating individual patients and the development of an eight-marker classifier of disease severity. Estimating the effect of clinical progression on the immune response and early assessment of disease progression risks may allow implementation of tailored therapies.