دورية أكاديمية
A critical role for miR-142 in alveolar epithelial lineage formation in mouse lung development
| العنوان: | A critical role for miR-142 in alveolar epithelial lineage formation in mouse lung development |
|---|---|
| المؤلفون: | Shrestha A., Carraro G., Nottet N., Vazquez-Armendariz A., Herold S., Cordero J., Singh I., Wilhelm J., Barreto G., Morty R., El Agha E., Mari B., Chen C., Zhang J., Chao C., Bellusci S. |
| المصدر: | SCOPUS1420682X-2019-SID85063111227 |
| سنة النشر: | 2019 |
| المجموعة: | Kazan Federal University Digital Repository |
| مصطلحات موضوعية: | Alveolar epithelium, Beta-catenin, EP300, Lung, microRNA-142 |
| الوصف: | © 2019, Springer Nature Switzerland AG. The respiratory epithelium arises from alveolar epithelial progenitors which differentiate into alveolar epithelial type 1 (AT1) and type 2 (AT2) cells. AT2 cells are stem cells in the lung critical for the repair process after injury. Mechanisms regulating AT1 and AT2 cell maturation are poorly defined. We report that the activation of the glucocorticoid pathway in an in vitro alveolar epithelial lineage differentiation assay led to increased AT2 marker Sftpc and decreased miR-142 expression. Using miR-142 KO mice, we demonstrate an increase in the AT2/AT1 cell number ratio. Overexpression of miR-142 in alveolar progenitor cells in vivo led to the opposite effect. Examination of the KO lungs at E18.5 revealed enhanced expression of miR-142 targets Apc, Ep300 and Kras associated with increased β-catenin and p-Erk signaling. Silencing of miR-142 expression in lung explants grown in vitro triggers enhanced Sftpc expression as well as increased AT2/AT1 cell number ratio. Pharmacological inhibition of Ep300-β-catenin but not Erk in vitro prevented the increase in Sftpc expression triggered by loss of miR-142. These results suggest that the glucocorticoid-miR-142-Ep300-β-catenin signaling axis controls pneumocyte maturation. |
| نوع الوثيقة: | article in journal/newspaper |
| اللغة: | unknown |
| تدمد: | 1420-682X |
| العلاقة: | Cellular and Molecular Life Sciences; http://dspace.kpfu.ru/xmlui/bitstream/net/155984/-1/SCOPUS1420682X-2019-SID85063111227-p1.pdfTest; https://dspace.kpfu.ru/xmlui/handle/net/155984Test |
| الإتاحة: | https://dspace.kpfu.ru/xmlui/handle/net/155984Test |
| رقم الانضمام: | edsbas.CFA6074 |
| قاعدة البيانات: | BASE |
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