Document Detail


Placental oxidative stress alters expression of murine osteogenic genes and impairs fetal skeletal formation.
MedLine Citation:
PMID:  18675455     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Fetal and placental developments rely on an intricate balance of nutrients, growth factors, and signaling pathways at precise times in gestation. Disruptions to this balance may result in disease that manifests in adulthood, a situation termed "developmental origins of health and disease". Diet, exercise, and certain chemical exposures during pregnancy increase oxidative stress (OS), and may alter trajectory of fetal osteogenic regulation in a manner that increases risk of adult bone dysfunction. The present study used gestational methylnitrosourea (MNU), a known inducer of OS, in C57BL/6 mice with or without dietary antioxidant quercetin (Q) supplementation. Several key placental genes that influence placental development and fetal osteogenesis (Hgf, Kitl, IFNalpha4, Ifrd, and IL-1beta) were altered by MNU, and largely normalized by Q. MNU treatment also resulted in small fetuses with disproportionately shortened limbs and distal limb malformations, and caused placental endothelial and trophoblast damage. Q was again protective against these fetal and placental pathologies. An unanticipated finding with Q supplementation was increased interdigital webbing, perhaps due to dose-related effects on apoptosis required for digital sculpting, or pro-oxidant effects of Q that caused a maturational delay. These results suggest that elevated OS may alter normal placental osteogenic signaling and fetal skeletal formation.
Authors:
M R Prater; C L Laudermilch; C Liang; S D Holladay
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural    
Journal Detail:
Title:  Placenta     Volume:  29     ISSN:  0143-4004     ISO Abbreviation:  Placenta     Publication Date:  2008 Sep 
Date Detail:
Created Date:  2008-09-01     Completed Date:  2008-11-17     Revised Date:  2013-06-05    
Medline Journal Info:
Nlm Unique ID:  8006349     Medline TA:  Placenta     Country:  England    
Other Details:
Languages:  eng     Pagination:  802-8     Citation Subset:  IM    
Affiliation:
Edward Via Virginia College of Osteopathic Medicine, 2265 Kraft Drive, Blacksburg, VA 24060, USA. mrprater@vt.edu
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MeSH Terms
Descriptor/Qualifier:
Animals
Female
Forelimb / abnormalities,  embryology*
Gene Expression Regulation, Developmental / drug effects*
Hepatocyte Growth Factor / biosynthesis
Hindlimb / abnormalities,  embryology*
Immediate-Early Proteins / biosynthesis
Interferon Type I / biosynthesis
Interleukin-1beta / biosynthesis
Male
Membrane Proteins / biosynthesis
Methylnitrosourea / pharmacology*
Mice
Mice, Inbred C57BL
Osteogenesis / drug effects*,  genetics
Oxidative Stress / physiology*
Placenta Diseases / genetics,  physiopathology*
Pregnancy
Quercetin / pharmacology*
Stem Cell Factor / biosynthesis
Grant Support
ID/Acronym/Agency:
K01 RR017018-05/RR/NCRR NIH HHS; K01RR17018/RR/NCRR NIH HHS
Chemical
Reg. No./Substance:
0/Ifrd1 protein, mouse; 0/Immediate-Early Proteins; 0/Interferon Type I; 0/Interleukin-1beta; 0/Membrane Proteins; 0/Stem Cell Factor; 117-39-5/Quercetin; 67256-21-7/Hepatocyte Growth Factor; 684-93-5/Methylnitrosourea
Comments/Corrections

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