NDLI: Arginine nutrition and fetal brown adipose tissue development in nutrient-restricted sheep

Content Provider	Springer Nature Link
Author	Satterfield, M. Carey Dunlap, Kathrin A. Keisler, Duane H. Bazer, Fuller W. Wu, Guoyao
Copyright Year	2011
Abstract	Intrauterine growth restriction is a significant problem worldwide, resulting in increased rates of neonatal morbidity and mortality, as well as increased risks for metabolic and cardiovascular disease. The present study investigated the role of maternal undernutrition and l-arginine administration on fetal growth and development. Embryo transfer was utilized to generate genetically similar singleton pregnancies. On Day 35 of gestation, ewes were assigned to receive either 50 or 100% of their nutritional requirements. Ewes received i.v. injections of either saline or l-arginine three times daily from Day 100 to Day 125. Fetal growth was assessed at necropsy on Day 125. Maternal dietary manipulation altered circulating concentrations of leptin, progesterone, and amino acids in maternal plasma. Fetal weight was reduced in nutrient-restricted ewes on Day 125 compared with 100% fed ewes. Compared with saline-treated underfed ewes, maternal l-arginine administration did not affect fetal weight but increased weight of the fetal pancreas by 32% and fetal peri-renal brown adipose tissue mass by 48%. These results indicate that l-arginine administration enhanced fetal pancreatic and brown adipose tissue development. The postnatal effects of increased pancreatic and brown adipose tissue growth warrant further study.
Starting Page	489
Ending Page	499
Page Count	11
File Format	PDF
ISSN	09394451
Journal	Amino Acids
Volume Number	45
Issue Number	3
e-ISSN	14382199
Language	English
Publisher	Springer Vienna
Publisher Date	2011-12-01
Publisher Place	Vienna
Access Restriction	Subscribed
Subject Keyword	Adipose tissue Pregnancy Fetus Arginine Sheep Nutrient restricted Biochemistry Analytical Chemistry Biochemical Engineering Life Sciences Proteomics Neurobiology
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Biochemistry Clinical Biochemistry

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