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{"href": "https://publications.scilifelab.se/researcher/151805ef1f8142baab4c253b50680d18.json"}}], "type": "journal-article", "published": "2022-01-19", "journal": {"title": "Sci. Transl. Med.", "issn": "1946-6234", "pages": "eabj7521", "volume": "14", "issue": "628", "issn-l": "1946-6234"}, "abstract": "The drivers of critical coronavirus disease 2019 (COVID-19) remain unknown. Given major confounding factors such as age and comorbidities, true mediators of this condition have remained elusive. We used a multi-omics analysis combined with artificial intelligence in a young patient cohort where major comorbidities were excluded at the onset. The cohort included 47 \u201ccritical\u201d (in the intensive care unit under mechanical ventilation) and 25 \u201cnon-critical\u201d (in a non-critical care ward) patients with COVID-19 and 22 healthy individuals. The analyses included whole-genome sequencing, whole-blood RNA sequencing, plasma and blood mononuclear cell proteomics, cytokine profiling, and high-throughput immunophenotyping. An ensemble of machine learning, deep learning, quantum annealing, and structural causal modeling were used. Patients with critical COVID-19 were characterized by exacerbated inflammation, perturbed lymphoid and myeloid compartments, increased coagulation, and viral cell biology. Among differentially expressed genes, we observed up-regulation of the metalloprotease ADAM9. This gene signature was validated in a second independent cohort of 81 critical and 73 recovered patients with COVID-19 and was further confirmed at the transcriptional and protein level and by proteolytic activity. Ex vivo ADAM9 inhibition decreased severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) uptake and replication in human lung epithelial cells. In conclusion, within a young, otherwise healthy, cohort of individuals with COVID-19, we provide the landscape of biological perturbations in vivo where a unique gene signature differentiated critical from non-critical patients. We further identified ADAM9 as a driver of disease severity and a candidate therapeutic target.", "doi": "10.1126/scitranslmed.abj7521", "pmid": "34698500", "labels": {"Autoimmunity and Serology Profiling": "Service"}, "xrefs": [], "notes": [], "created": "2021-11-09T06:20:06.651Z", "modified": "2023-06-19T11:35:21.919Z"}]}