lung morphogenesis
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2019 ◽  
Vol 99 (1) ◽  
pp. 513-554 ◽  
Author(s):  
Jeffrey A. Whitsett ◽  
Tanya V. Kalin ◽  
Yan Xu ◽  
Vladimir V. Kalinichenko

The unique architecture of the mammalian lung is required for adaptation to air breathing at birth and thereafter. Understanding the cellular and molecular mechanisms controlling its morphogenesis provides the framework for understanding the pathogenesis of acute and chronic lung diseases. Recent single-cell RNA sequencing data and high-resolution imaging identify the remarkable heterogeneity of pulmonary cell types and provides cell selective gene expression underlying lung development. We will address fundamental issues related to the diversity of pulmonary cells, to the formation and function of the mammalian lung, and will review recent advances regarding the cellular and molecular pathways involved in lung organogenesis. What cells form the lung in the early embryo? How are cell proliferation, migration, and differentiation regulated during lung morphogenesis? How do cells interact during lung formation and repair? How do signaling and transcriptional programs determine cell-cell interactions necessary for lung morphogenesis and function?


Author(s):  
Daniel T. Swarr ◽  
Susan E. Wert ◽  
Jeffrey A. Whitsett

2018 ◽  
Vol 443 (1) ◽  
pp. 50-63 ◽  
Author(s):  
Vladimir Ustiyan ◽  
Craig Bolte ◽  
Yufang Zhang ◽  
Lu Han ◽  
Yan Xu ◽  
...  

2018 ◽  
Vol 443 (1) ◽  
pp. 1-9 ◽  
Author(s):  
Ariena Kersbergen ◽  
Sarah A. Best ◽  
Sebastian Dworkin ◽  
Casey Ah-Cann ◽  
Michael E. de Vries ◽  
...  
Keyword(s):  

2018 ◽  
Vol 9 (1) ◽  
Author(s):  
Katsuhiro Kato ◽  
Rodrigo Diéguez-Hurtado ◽  
Do Young Park ◽  
Seon Pyo Hong ◽  
Sakiko Kato-Azuma ◽  
...  
Keyword(s):  

PLoS ONE ◽  
2017 ◽  
Vol 12 (4) ◽  
pp. e0174946 ◽  
Author(s):  
Hui Xu ◽  
Mingzhu Sun ◽  
Xin Zhao

2015 ◽  
Vol 35 (1) ◽  
pp. 104-115 ◽  
Author(s):  
Francisca O. Peixoto ◽  
Patrícia Pereira-Terra ◽  
Rute S. Moura ◽  
Emanuel Carvalho-Dias ◽  
Jorge Correia-Pinto ◽  
...  

Background/ Aims: The knowledge of the molecular network that governs fetal lung branching is an essential step towards the discovery of novel therapeutic targets against pulmonary pathologies. Lung consists of two highly branched systems: airways and vasculature. Ephrins and its receptors, Eph, have been implicated in cardiovascular development, angiogenesis and vascular remodeling. This study aims to clarify the role of these factors during lung morphogenesis. Methods: Ephrins-B1, -B2 and receptor EphB4 expression pattern was assessed in fetal rat lungs between 15.5 and 21.5 days post-conception, by immunohistochemistry. Fetal rat lungs were harvested at 13.5 dpc, cultured during 4 days and treated with increasing doses of ephrins-B1 and -B2 and the activity of key signaling pathways was assessed. Results: Ephrin-B1 presents mesenchymal expression, whereas ephrin-B2 and its receptor EphB4 were expressed by the epithelium. Both ephrins stimulated pulmonary branching. Moreover, while ephrin-B1 did not affect the pathways studied, ephrin-B2 supplementation decreased activity of JNK, ERK and STAT. This study characterizes the expression pattern of ephrins-B1, -B2 and EphB4 receptor throughout rat lung development. Conclusion: Our data highlight a possible role of ephrins as molecular stimulators of lung morphogenesis. Moreover, it supports the idea that classical vascular factors might play a role as airway growth promoters.


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