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10.1165/rcmb.2021-0358OC http://scihub22266oqcxt.onion/10.1165/rcmb.2021-0358OC 34710339!8845132!34710339     free     free     free Warning: file_get_contents(https://eutils.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&id=34710339&cmd=llinks): Failed to open stream: HTTP request failed! 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Tissue Proteomic Analysis Identifies Mechanisms and Stages of Immunopathology in Fatal COVID-19 |pdf=|usr=}}{{34710339}} gab.com Text Tissue Proteomic Analysis Identifies Mechanisms and Stages of Immunopathology in Fatal COVID-19 JO: Am J Respir Cell Mol Biol http://www.kidney.de/pget.php?&tw=1&pmid=34710339 #FOAvip Immunopathology occurs in the lung and spleen in fatal coronavirus disease (COVID-19), involving monocytes/macrophages and plasma cells. Antiinflammatory therapy reduces mortality, but additional therapeutic targets are required. We aimed to gain mechanistic insight into COVID-19 immunopathology by targeted proteomic analysis of pulmonary and splenic tissues. Lung parenchymal and splenic tissue was obtained from 13 postmortem examinations of patients with fatal COVID-19. Control tissue was obtained from cancer resection samples (lung) and deceased organ donors (spleen). Protein was extracted from tissue by phenol extraction. Olink multiplex immunoassay panels were used for protein detection and quantification. Proteins with increased abundance in the lung included MCP-3, antiviral TRIM21, and prothrombotic TYMP. OSM and EN-RAGE/S100A12 abundance was correlated and associated with inflammation severity. Unsupervised clustering identified "early viral" and "late inflammatory" clusters with distinct protein abundance profiles, and differences in illness duration before death and presence of viral RNA. In the spleen, lymphocyte chemotactic factors and CD8A were decreased in abundance, and proapoptotic factors were increased. B-cell receptor signaling pathway components and macrophage colony stimulating factor (CSF-1) were also increased. Additional evidence for a subset of host factors (including DDX58, OSM, TYMP, IL-18, MCP-3, and CSF-1) was provided by overlap between 1) differential abundance in spleen and lung tissue; 2) meta-analysis of existing datasets; and 3) plasma proteomic data. This proteomic analysis of lung parenchymal and splenic tissue from fatal COVID-19 provides mechanistic insight into tissue antiviral responses, inflammation and disease stages, macrophage involvement, pulmonary thrombosis, splenic B-cell activation, and lymphocyte depletion. Twit Text FOAVip Tissue Proteomic Analysis Identifies Mechanisms and Stages of Immunopathology in Fatal COVID-19 ????Am J Respir Cell Mol Biol http://www.kidney.de/pget.php?&tw=1&pmid=34710339 #FOAvip Twit Text # Free Paper on # # # # # LINK http://www.kidney.de/pget.php?&tw=1&pmid=34710339 #FOAvip English Wikipedia <ref>{{Cite pmid|34710339}}</ref> Tissue Proteomic Analysis Identifies Mechanisms and Stages of Immunopathology in Fatal COVID-19 #MMPMID34710339 Russell CD; Valanciute A; Gachanja NN; Stephen J; Penrice-Randal R; Armstrong SD; Clohisey S; Wang B; Al Qsous W; Wallace WA; Oniscu GC; Stevens J; Harrison DJ; Dhaliwal K; Hiscox JA; Baillie JK; Akram AR; Dorward DA; Lucas CD Am J Respir Cell Mol Biol 2022[Feb]; 66 (2): 196-205 PMID34710339show ga Immunopathology occurs in the lung and spleen in fatal coronavirus disease (COVID-19), involving monocytes/macrophages and plasma cells. Antiinflammatory therapy reduces mortality, but additional therapeutic targets are required. We aimed to gain mechanistic insight into COVID-19 immunopathology by targeted proteomic analysis of pulmonary and splenic tissues. Lung parenchymal and splenic tissue was obtained from 13 postmortem examinations of patients with fatal COVID-19. Control tissue was obtained from cancer resection samples (lung) and deceased organ donors (spleen). Protein was extracted from tissue by phenol extraction. Olink multiplex immunoassay panels were used for protein detection and quantification. Proteins with increased abundance in the lung included MCP-3, antiviral TRIM21, and prothrombotic TYMP. OSM and EN-RAGE/S100A12 abundance was correlated and associated with inflammation severity. Unsupervised clustering identified "early viral" and "late inflammatory" clusters with distinct protein abundance profiles, and differences in illness duration before death and presence of viral RNA. In the spleen, lymphocyte chemotactic factors and CD8A were decreased in abundance, and proapoptotic factors were increased. B-cell receptor signaling pathway components and macrophage colony stimulating factor (CSF-1) were also increased. Additional evidence for a subset of host factors (including DDX58, OSM, TYMP, IL-18, MCP-3, and CSF-1) was provided by overlap between 1) differential abundance in spleen and lung tissue; 2) meta-analysis of existing datasets; and 3) plasma proteomic data. This proteomic analysis of lung parenchymal and splenic tissue from fatal COVID-19 provides mechanistic insight into tissue antiviral responses, inflammation and disease stages, macrophage involvement, pulmonary thrombosis, splenic B-cell activation, and lymphocyte depletion. |Aged[MESH] |Aged, 80 and over[MESH] |Autopsy[MESH] |COVID-19/*immunology[MESH] |Female[MESH] |Gene Expression Regulation/*immunology[MESH] |Humans[MESH] |Inflammation/immunology[MESH] |Lung/*immunology[MESH] |Male[MESH] |Proteomics[MESH] |SARS-CoV-2/*immunology[MESH]Tissue Proteomic Analysis Identifies Mechanisms and Stages of Immunopa(epmc).pdf DeepDyve Pubget Overpricing