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dc.contributor.authorSutherland, M.en
dc.contributor.authorGubhaju, L.en
dc.contributor.authorMoore, L.en
dc.contributor.authorKent, A.en
dc.contributor.authorDahlstrom, J.en
dc.contributor.authorHorne, R.en
dc.contributor.authorHoy, W.en
dc.contributor.authorBertram, J.en
dc.contributor.authorBlack, M.en
dc.identifier.citationJournal of the American Society of Nephrology, 2011; 22(7):1365-1374en
dc.description.abstractNephrogenesis is ongoing at the time of birth for the majority of preterm infants, but whether postnatal renal development follows a similar trajectory to normal in utero growth is unknown. Here, we examined tissue collected at autopsy from 28 kidneys from preterm neonates, whose postnatal survival ranged from 2 to 68 days, including 6 that had restricted intrauterine growth. In addition, we examined kidneys from 32 still-born gestational controls. We assessed the width of the nephrogenic zone, number of glomerular generations, cross-sectional area of the renal corpuscle, and glomerular maturity and morphology. Renal maturation accelerated after preterm birth, with an increased number of glomerular generations and a decreased width of the nephrogenic zone in the kidneys of preterm neonates. Of particular concern, compared with gestational controls, preterm kidneys had a greater percentage of morphologically abnormal glomeruli and a significantly larger cross-sectional area of the renal corpuscle, suggestive of renal hyperfiltration. These observations suggest that the preterm kidney may have fewer functional nephrons, thereby increasing vulnerability to impaired renal function in both the early postnatal period and later in life.en
dc.description.statementofresponsibilityMegan R. Sutherland, Lina Gubhaju, Lynette Moore, Alison L. Kent, Jane E. Dahlstrom, Rosemary S. C. Horne, Wendy E. Hoy, John F. Bertram and M. Jane Blacken
dc.publisherLippincott Williams & Wilkinsen
dc.rightsCopyright © 2011 by the American Society of Nephrologyen
dc.subjectKidney Glomerulus; Humans; Premature Birth; Cause of Death; Gestational Age; Infant, Newborn; Infant, Premature; Maleen
dc.titleAccelerated maturation and abnormal morphology in the preterm neonatal kidneyen
dc.typeJournal articleen
pubs.library.collectionMedical Sciences publicationsen
Appears in Collections:Medical Sciences publications

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