NDLI: Timing and expression of the angiopoietin-1–Tie-2 pathway in murine lung development and congenital diaphragmatic hernia

Content Provider	PubMed Central
Author	Grzenda, Adrienne Shannon, John Fisher, Jason Arkovitz, Marc S.
Copyright Year	2012
Abstract	Congenital diaphragmatic hernia (CDH) is one of the most common congenital abnormalities. Children born with CDH suffer a number of co-morbidities, the most serious of which is respiratory insufficiency from a combination of alveolar hypoplasia and pulmonary vascular hypertension. All children born with CDH display some degree of pulmonary hypertension, the severity of which has been correlated with mortality. The molecular mechanisms responsible for the development of pulmonary hypertension in CDH remain poorly understood. Angiopoitein-1 (Ang-1), a central mediator in angiogenesis, participates in the vascular development of many tissues, including the lung. Although previous studies have demonstrated that Ang-1 might play an important role in the development of familial pulmonary hypertension, the role of Ang-1 in the development of the pulmonary hypertension associated with CDH is poorly understood. The aim of this study was to examine the role of the Ang-1 pathway in a murine model of CDH. Here, we report that Ang-1 appears important in normal murine lung development, and have established its tissue-level expression and localization patterns at key time-points. Additionally, our data from a nitrofen and bisdiamine-induced murine model of CDH suggests that altered expression patterns of Ang-1, its receptor Tie-2 and one of its transcription factors (epithelium-specific Ets transcription factor 1) might be responsible for development of the pulmonary vasculopathy seen in the setting of CDH.
Related Links	http://dx.doi.org/10.1242/dmm.008821
Ending Page	114
Page Count	9
Starting Page	106
File Format	PDF
ISSN	17548403
e-ISSN	17548411
Journal	Disease Models & Mechanisms
Issue Number	1
Volume Number	6
Language	English
Publisher	The Company of Biologists Limited
Publisher Date	2013-01-01
Access Restriction	Open
Rights Holder	The Company of Biologists Limited
Subject Keyword	Immunology and Microbiology (miscellaneous) Biochemistry, Genetics and Molecular Biology(all) Medicine (miscellaneous) Neuroscience (miscellaneous) Medicine(all) Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Neuroscience Immunology and Microbiology Medicine Biochemistry, Genetics and Molecular Biology

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