4.7 Article

An Inflammatory Profile Correlates With Decreased Frequency of Cytotoxic Cells in Coronavirus Disease 2019

Journal

CLINICAL INFECTIOUS DISEASES
Volume 71, Issue 16, Pages 2272-2275

Publisher

OXFORD UNIV PRESS INC
DOI: 10.1093/cid/ciaa577

Keywords

COVID-19; inflammation; NK cells; cytotoxic cells; MDSC

Funding

  1. Italian Ministry of Health (Ricerca Corrente Linea 1)
  2. European and Developing Countries Clinical Trials Partnership under Horizon 2020
  3. National Institute for Health Research
  4. Champalimaud Foundation

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Increased production of inflammatory cytokines and myeloid-derived suppressor cells occurs in patients with coronavirus disease 2019. These inversely correlated with perforin-expressing natural killer (NK) and CD3(+) T cells. We observed a lower number of perforin-expressing NK cells in intensive care unit (ICU) patients compared with non-ICU patients, suggesting an impairment of the immune cytotoxic arm as a pathogenic mechanism.

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