Derivation of lung mesenchymal lineages from the fetal mesothelium requires hedgehog signaling for mesothelial cell entry

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Derivation of lung mesenchymal lineages from the fetal mesothelium requires hedgehog signaling for mesothelial cell entry.

Recent studies have shown that mesothelial progenitors contribute to mesenchymal lineages of developing organs. To what extent the overlying mesothelium contributes to lung development remains unknown. To rigorously address this question, we employed Wt1(CreERT2/+) mice for high-fidelity lineage tracing after confirming that Cre recombinase was mesothelial specific and faithfully recapitulated ...

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Fetal breathing movements play an important role in normal fetal lung growth. We have previously shown that an intermittent mechanical strain regimen (60 cycles/min, 15 min/h), simulating normal fetal breathing movements, stimulated growth of mixed fetal rat lung cells in organotypic culture. In the present study, we examined the individual responses of the two major fetal lung cell types, fibr...

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ژورنال

عنوان ژورنال: Development

سال: 2013

ISSN: 1477-9129,0950-1991

DOI: 10.1242/dev.098079