Our study found that circPWWP2A could adsorb miR-223_3p to regulate NLRP3 after silica stimulation in pulmonary fibrosis.
Human umbilical cord mesenchymal stem cell-derived extracellular vesicles alleviated silica induced lung inflammation and fibrosis in mice via circPWWP2A/miR-223-3p/NLRP3 axis.