期刊
DEVELOPMENTAL DYNAMICS
卷 251, 期 3, 页码 424-443出版社
WILEY
DOI: 10.1002/dvdy.408
关键词
congenital heart defect; ductus arteriosus; neonatal circulatory transition; vascular biology
资金
- American Heart Association [18PRE34060243]
- National Institutes of Health [HD007502, HL128386]
The ductus arteriosus is a unique fetal vascular shunt that allows blood to bypass the developing lungs in utero. After birth, changes in signaling pathways lead to constriction and closure of the ductus arteriosus. Persistent ductus arteriosus is common in preterm infants, but the underlying causes are not fully defined. Mouse models have been used to study critical pathways in ductus arteriosus regulation.
The ductus arteriosus (DA) is a unique fetal vascular shunt, which allows blood to bypass the developing lungs in utero. After birth, changes in complex signaling pathways lead to constriction and permanent closure of the DA. The persistent patency of the DA (PDA) is a common disorder in preterm infants, yet the underlying causes of PDA are not fully defined. Although limits on the availability of human DA tissues prevent comprehensive studies on the mechanisms of DA function, mouse models have been developed that reveal critical pathways in DA regulation. Over 20 different transgenic models of PDA in mice have been described, with implications for human DA biology. Similarly, we enumerate 224 human single-gene syndromes that are associated with PDA, including a small subset that consistently feature PDA as a prominent phenotype. Comparison and functional analyses of these genes provide insight into DA development and identify key regulatory pathways that may serve as potential therapeutic targets for the management of PDA.
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