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Pediatr Res. 2009 May;65(5 Pt 2):84R-90R. doi: 10.1203/PDR.0b013e31819dc2f9.

Role of Ureaplasma species in neonatal chronic lung disease: epidemiologic and experimental evidence.

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1
Department of Pediatrics, University of Maryland School of Medicine, Baltimore, Maryland 21201, USA. rviscard@umaryland.edu

Abstract

The contribution of Ureaplasma respiratory tract colonization to the pathogenesis of bronchopulmonary dysplasia in preterm infants has been debated for over 20 y. We review the current understanding of the role of inflammation in altered developmental signaling in the preterm lung and the evidence from human studies and experimental models that Ureaplasma-mediated inflammation produces the BPD phenotype. We propose that Ureaplasma infection initiated in utero and augmented postnatally by exposure to volutrauma and oxygen elicits a sustained, dysregulated inflammatory response in the immature lung that impairs alveolarization, and stimulates myofibroblast proliferation and excessive collagen and elastin deposition. Potential strategies to prevent or ameliorate the effects of Ureaplasma infection in utero and in the preterm lung are discussed.

PMID:
19190528
PMCID:
PMC2920621
DOI:
10.1203/PDR.0b013e31819dc2f9
[Indexed for MEDLINE]
Free PMC Article
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