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Cloning a Profibrotic Stem Cell Variant in Idiopathic Pulmonary Fibrosis
[Science Translational Medicine] Scientists identified a major stem cell variant that was distinguished from normal stem cells by its ability to transform normal lung fibroblasts into pathogenic myofibroblasts in vitro and to activate and recruit myofibroblasts in clonal xenografts.
Endothelial Cell News
Rational Engineering of Lung Alveolar Epithelium
[NPJ Regenerative Medicine] Researchers modulated multimodal components of the alveolar epithelial type 2 cell (AEC2) niche in decellularized lung scaffolds in order to guide AEC2 behavior for epithelial regeneration.
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P21 Facilitates Macrophage Chemotaxis by Promoting CCL7 in the Lung Epithelial Cell Lines Treated With Radiation and Bleomycin
[Journal Of Translational Medicine] P21 promoted CCL7 release from the severely injured lung epithelial cell lines and contributed to the macrophage chemotaxis in vitro, which provides new insights for better understanding the inflammatory responses in lung injury.
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Optimized Spirooxindole-Pyrazole Hybrids Targeting the p53-MDM2 Interplay Induce Apoptosis and Synergize With Doxorubicin in A549 Cells
[Scientific Reports] Researchers introduced a new series of spirooxindoles via hybridization of the chemically stable core spiro[3H-indole-3,2′-pyrrolidin]-2(1H)-one and the pyrazole motif inspired by lead pyrazole-based p53 activators, the MDM2 inhibitor.
Extracellular Matrix News
Genomic Characterization Revealed PM2.5-Associated Mutational Signatures in Lung Cancer Including Activation of APOBEC3B
[Environmental Science & Technology] Analysis of genomic and transcriptomic changes upon a PM2.5 exposure-induced human bronchial epithelial cell-based malignant transformed cell model in vitro showed that exposure led to APOBEC mutational signatures and transcriptional activation of APOBEC3B along with other potential oncogenes.
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LncRNA LINC00969 Promotes Acquired Gefitinib Resistance by Epigenetically Suppressing of NLRP3 at Transcriptional and Posttranscriptional Levels To Inhibit Pyroptosis in Lung Cancer
[Cell Death & Disease] By bioinformatics analysis, investigators found that LINC00969 expression was elevated in lung cancer cells with acquired gefitinib resistance. LINC00969 regulated resistance to gefitinib in vitro and in vivo.