Maternal nutrient restriction (MNR) in pregnant guinea pigs and the impact on fetal growth and brain development.

نویسندگان

  • Andrew Ghaly
  • Alex Xu
  • Karen Nygard
  • Brad Matushewski
  • Robert Hammond
  • Bryan S Richardson
  • A Elias
چکیده

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Effect of 30% nutrient restriction in the first half of gestation on maternal and fetal baboon serum amino acid concentrations.

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Reduced placental amino acid transport in response to maternal nutrient restriction in the baboon.

Intrauterine growth restriction increases the risk of perinatal complications and predisposes the infant to diabetes and cardiovascular disease in later life. Mechanisms by which maternal nutrient restriction (MNR) reduces fetal growth are poorly understood. We hypothesized that MNR decreases placental amino acid (AA) transporter activity, leading to reduced transplacental transfer of AAs. Preg...

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Sexually Dimorphic Effects of Maternal Nutrient Reduction on Expression of Genes Regulating Cortisol Metabolism in Fetal Baboon Adipose and Liver Tissues

Maternal nutrient reduction (MNR) during fetal development may predispose offspring to chronic disease later in life. Increased regeneration of active glucocorticoids by 11β-hydroxysteroid dehydrogenase type 1 (11β-HSD1) in metabolic tissues is fundamental to the developmental programming of metabolic syndrome, but underlying mechanisms are unknown. Hexose-6-phosphate dehydrogenase (H6PD) gener...

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MRI detection of asymmetric intrauterine growth restriction due to placental insufficiency

Purpose: Intrauterine growth restriction (IUGR) is defined as a fetus that is not maintaining its genetic growth potential in utero. This reduced growth is often caused by placental insufficiency resulting in decreased nutrient and oxygen supply to the fetus. To increase the likelihood of survival, fetal adaptations occur, which include brain sparing leading to asymmetric growth restriction, al...

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عنوان ژورنال:
  • International journal of developmental neuroscience : the official journal of the International Society for Developmental Neuroscience

دوره 47 Pt A  شماره 

صفحات  -

تاریخ انتشار 2015