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10.1002/JLB.3COVCRA0720-359R

http://scihub22266oqcxt.onion/10.1002/JLB.3COVCRA0720-359R
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32869342!7902293!32869342
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suck abstract from ncbi


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pmid32869342      J+Leukoc+Biol 2021 ; 109 (1): 67-72
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  • Neutrophil calprotectin identifies severe pulmonary disease in COVID-19 #MMPMID32869342
  • Shi H; Zuo Y; Yalavarthi S; Gockman K; Zuo M; Madison JA; Blair C; Woodward W; Lezak SP; Lugogo NL; Woods RJ; Lood C; Knight JS; Kanthi Y
  • J Leukoc Biol 2021[Jan]; 109 (1): 67-72 PMID32869342show ga
  • Severe cases of coronavirus disease 2019 (COVID-19) are regularly complicated by respiratory failure. Although it has been suggested that elevated levels of blood neutrophils associate with worsening oxygenation in COVID-19, it is unknown whether neutrophils are drivers of the thrombo-inflammatory storm or simple bystanders. To better understand the potential role of neutrophils in COVID-19, we measured levels of the neutrophil activation marker S100A8/A9 (calprotectin) in hospitalized patients and determined its relationship to severity of illness and respiratory status. Patients with COVID-19 (n = 172) had markedly elevated levels of calprotectin in their blood. Calprotectin tracked with other acute phase reactants including C-reactive protein, ferritin, lactate dehydrogenase, and absolute neutrophil count, but was superior in identifying patients requiring mechanical ventilation. In longitudinal samples, calprotectin rose as oxygenation worsened. When tested on day 1 or 2 of hospitalization (n = 94 patients), calprotectin levels were significantly higher in patients who progressed to severe COVID-19 requiring mechanical ventilation (8039 +/- 7031 ng/ml, n = 32) as compared to those who remained free of intubation (3365 +/- 3146, P < 0.0001). In summary, serum calprotectin levels track closely with current and future COVID-19 severity, implicating neutrophils as potential perpetuators of inflammation and respiratory compromise in COVID-19.
  • |*COVID-19/blood/immunology/pathology/therapy[MESH]
  • |*Calgranulin A/blood/immunology[MESH]
  • |*Calgranulin B/blood/immunology[MESH]
  • |*Neutrophil Activation[MESH]
  • |*Neutrophils/immunology/metabolism/pathology[MESH]
  • |*SARS-CoV-2/immunology/metabolism[MESH]
  • |Female[MESH]
  • |Hospitalization[MESH]
  • |Humans[MESH]
  • |Male[MESH]
  • |Middle Aged[MESH]
  • |Severity of Illness Index[MESH]


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