Proteomics

Dataset Information

0

SARS-CoV-2 infection of human lung epithelial cells induces TMPRSS-mediated acute fibrin deposition


ABSTRACT: Twenty microliter aliquots of BALF samples were dissolved in SDS-sample buffer and applied onto a 4-12% Nupage gel with MOPs running buffer. The run stopped after the samples migrated approximately ¼ distance into the gel. Each lane of the gel was sliced into smaller pieces, and subjected to destaining, reducing/alkylation, and in-gel trypsin digestion. The extracted peptides were applied for LC-MS/MS analysis using either a Thermo Orbitrap Fusion or a Thermo Orbitrap Fusion Lumos operated with an in-line Thermo nLC 1200 and an EASY-Spray ion source. Pepetides were separated using a 2 cm Pepmap 100 C18 trap column and a 25 cm Easy-spray Pepmap 100 C18 analytical column. MS/MS data acquisitions were operated at a 120,000 resolution (m/z 200) with a scan range of 350-1950 m/z and CID fragmentation.

INSTRUMENT(S): Orbitrap Fusion Lumos, Orbitrap Fusion

ORGANISM(S): Homo Sapiens (human)

TISSUE(S): Lung

DISEASE(S): Severe Acute Respiratory Syndrome

SUBMITTER: Peter Sun  

LAB HEAD: Peter D. Sun

PROVIDER: PXD045119 | Pride | 2023-10-24

REPOSITORIES: Pride

Dataset's files

Source:
Action DRS
3146.msf Msf
3428.msf Msf
878.msf Msf
902.fasta Fasta
902.mgf Mgf
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Publications


Severe COVID-associated lung injury is a major confounding factor of hospitalizations and death with no effective treatments. Here, we describe a non-classical fibrin clotting mechanism mediated by SARS-CoV-2 infected primary lung but not other susceptible epithelial cells. This infection-induced fibrin formation is observed in all variants of SARS-CoV-2 infections, and requires thrombin but is independent of tissue factor and other classical plasma coagulation factors. While prothrombin and fib  ...[more]

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