| Clara cell protein in full-term pregnancies: the influence of intrauterine growth restriction. | |
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MedLine Citation:
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PMID: 20717913 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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BACKGROUND: Clara cell protein (CC16) is an immunomodulatory/anti-inflammatory broncho-alveolar-derived molecule and a biomarker of pulmonary epithelial cells maturity and alveolo-capillary membrane injury. Intrauterine growth-restricted (IUGR) neonates may present with structural lung immaturity, impaired immunocompetence and increased risk for respiratory infections and chronic obstructive lung disease in later life. OBJECTIVES: To investigate circulating CC16 concentrations in maternal, fetal, and neonatal samples from IUGR and appropriate for gestational age (AGA) pregnancies. METHODS: Serum CC16 concentrations were determined by EIA in 40 mothers and their 20 IUGR and 20 AGA singleton full-term fetuses-neonates on postnatal days 1 (N1) and 4 (N4). RESULTS: No significant differences in CC16 concentrations were observed between IUGR and AGA groups. In both groups, maternal CC16 concentrations were lower compared to N1 and N4 ones (P < 0.001 in each case). Fetal CC16 concentrations were significantly lower compared to N1 and N4 ones (P < 0.001 in each case). In the AGA group, N1 CC16 concentrations were significantly higher than N4 ones (P < 0.001). Combining groups, N1 CC16 concentrations positively correlated with gestational age (r = 0.364, P = 0.021). Finally, the effect of gender, parity, and maternal age on CC16 concentrations was not significant. CONCLUSIONS: The lack of differences in CC16 concentrations between IUGR and AGA groups possibly suggests that the lung immaturity and later respiratory diseases, associated with the former, may not be related to early CC16 deficiency. CC16 concentrations increase with advancing gestational age and peak on the first day of life, possibly indicating a vital role of the protein in fetal lung maturation and extrauterine pulmonary adaptation. |
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Authors:
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Despina D Briana; Dimitrios Gourgiotis; Maria Boutsikou; Stavroula Baka; Antonios Marmarinos; Sofia Liosi; Dimitrios Hassiakos; Ariadne Malamitsi-Puchner |
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Publication Detail:
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Type: Journal Article Date: 2010-08-17 |
Journal Detail:
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Title: Pediatric pulmonology Volume: 45 ISSN: 1099-0496 ISO Abbreviation: Pediatr. Pulmonol. Publication Date: 2010 Dec |
Date Detail:
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Created Date: 2010-11-24 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8510590 Medline TA: Pediatr Pulmonol Country: United States |
Other Details:
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Languages: eng Pagination: 1186-91 Citation Subset: IM |
Copyright Information:
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Copyright © 2010 Wiley-Liss, Inc. |
Affiliation:
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Second Department of Obstetrics and Gynecology, Athens University Medical School, Athens, Greece. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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