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Deprecated: Implicit conversion from float 267.2 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Clin+Immunol 2020 ; 218 (ä): 108516 Nephropedia Template TP
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COVID-19 pneumonia: CD8(+) T and NK cells are decreased in number but compensatory increased in cytotoxic potential #MMPMID32574709
Jiang Y; Wei X; Guan J; Qin S; Wang Z; Lu H; Qian J; Wu L; Chen Y; Chen Y; Lin X
Clin Immunol 2020[Sep]; 218 (ä): 108516 PMID32574709show ga
BACKGROUND: Coronavirus disease 2019 (COVID-19) is posing a huge threat to human health worldwide. We aim to investigate the immune status of CD8(+) T and NK cells in COVID-19 patients. METHODS: The count and immune status of lymphocytes were detected by flow cytometry in 32 COVID-19 patients and 18 healthy individuals. RESULTS: As the disease progression in COVID-19 patients, CD8(+) T and NK cells were significantly decreased in absolute number but highly activated. After patients' condition improved, the count and immune status of CD8(+) T and NK cells restored to some extent. GrA(+)CD8(+) T and perforin(+) NK cells had good sensitivity and specificity for assisting diagnosis of COVID-19. CONCLUSIONS: As the disease progression, the declined lymphocytes in COVID-19 patients might lead to compensatory activation of CD8(+) T and NK cells. GrA(+)CD8(+) T and perforin(+) NK cells might be used as meaningful indicators for assisting diagnosis of COVID-19.