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NeoReviews Vol.8 No.8 2007 e336
© 2007 American Academy of Pediatrics

* Division of Perinatal Medicine, Department of Pediatrics, Yale University School of Medicine, New Haven, Conn
Departments of Genetics and Investigative Medicine, Yale Child Health Research Center, New Haven, Conn
Bronchopulmonary dysplasia continues to be a major cause of neonatal morbidity, despite significant progress in the treatment of preterm neonates. The cause is multifactorial, with prematurity as the primary culprit and other factors including ventilator-induced lung injury, exposure to oxygen, and inflammation. Recent studies in twins show that 53% of the variance is attributable to genetic factors. In this review, we critically evaluate published association studies of candidate gene polymorphisms.
Abbreviations: ACE: angiotensin-converting enzyme BAL: bronchoalveolar lavage BPD: bronchopulmonary dysplasia DZ: dizygotic GST: glutathione S transferase IGF-1: insulin-like growth factor 1 IGF-1R: insulin-like growth factor-1 receptor IFN: interferon IL: interleukin MCP: monocyte chemoattractant protein MZ: monozygotic O2: oxygen PMA: postmenstrual age RDS: respiratory distress syndrome SNP: single nucleotide polymorphism SP: surfactant protein TAP: transporter associated with antigen processing TGF: transforming growth factor TNF: tumor necrosis factor VLBW: very low birthweight
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