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Loma Linda University Electronic Theses, Dissertations & Projects
Organ maturation; Surfactant Production; Cardiomyocytes; Terminal differentiation; Epigenetic Modifications
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Effects Of Neonatal Dexamethasone On The Maturation And Endowment Of Cardiomyocytes, Maresha Gay
Effects Of Neonatal Dexamethasone On The Maturation And Endowment Of Cardiomyocytes, Maresha Gay
Loma Linda University Electronic Theses, Dissertations & Projects
Each year 1 in 9 infants are born preterm in the United States. Preterm infants have a host of complications associated with prematurity, including respiratory distress syndrome. Dexamethasone, a synthetic glucocorticoid is the ‘gold standard’ intervention in the treatment of preterm infants and mothers at risk of preterm birth because it promotes organ maturation, particularly the lungs and aids in surfactant production. However, a growing body of evidence suggests perinatal dexamethasone exposure is associated with health consequences later in life including increased risk of cardiovascular disease. Cardiomyocytes are the functional unit of the heart and are unique in that they …