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Oulun yliopiston väitöskirjat




GENETIC BACKGROUND AND ANTENATAL RISK FACTORS OF BRONCHOPULMONARY DYSPLASIA, ACTA UNIVERSITATIS OULUENSIS D Medica 1472


ISBN-10:978-952-62-1952-3 
Kieli:englanti 
Kustantaja:Oulun yliopisto 
Oppiaine:Lääketiede 
Painosvuosi:2018 
Sijainti:Print Tietotalo 
Sivumäärä:220 
Tekijät:MAHLMAN MARI 

26.50 €

Advances over the past few decades in ante- and neonatal care have led to the survival of a growing number of premature infants of extremely low gestational age. However, the occurrence of serious diseases, particularly those affecting the most immature infants, remains high. Bronchopulmonary dysplasia (BPD), a chronic lung disease of premature infants, is one such disease. Our current understanding of the molecular pathogenesis of BPD is incomplete; consequently, there are few preventive and therapeutic options for BPD. Moreover, it is challenging to predict the risk of BPD. Previous studies of BPD in twins revealed that the heritability of BPD is quite high. However, the individual genes that predispose premature infants to BPD are largely unknown. The aim of this study was to identify and study genes associated with BPD in order to investigate its pathogenesis. An additional aim was to add to knowledge of the risk of BPD in newborn premature infants, with an emphasis on twins. A candidate gene study found no consistent association between common polymorphisms of vascular endothelial growth factor receptor 2 and BPD. A second candidate gene study noted an association between the gene encoding Kit ligand and BPD. A genome-wide association study found a suggestive association between a locus close to the gene encoding C-reactive protein (CRP) and BPD, and in subsequent analyses, plasma levels of CRP during the first week of life predicted BPD. Finally, a nationwide register study found that the risk of BPD was lower in twins than in singletons. The results of this study add to what is known of the genetics and pathogenesis of BPD. They also provide new data on the risk of BPD, which may be used to improve early identification of infants for whom the risk of developing BPD is high.


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