Pediatric research · 2012
Plasma lipid levels and body weight altered by intrauterine growth restriction and postnatal fructose diet in adult rats.
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Malo Elina, Saukko Meiju, Santaniemi Merja, Hietaniemi Mirella, Lammentausta Eveliina, Blanco Sequeiros Roberto, Ukkola Olavi, Kesäniemi Y Antero
Аннотация
BACKGROUND: Intrauterine growth restriction (IUGR) is known to affect the risk of adult diseases. Consumption of lipogenic fructose is increasing, and it is used as an enhancer of metabolic syndrome in rat experiments. The effects of IUGR, postnatal fructose diet, and their interaction on the lipid profile and adiposity were studied in adult rats.
METHODS: IUGR was induced by providing pregnant rats with 50% of daily food intake. From 1 mo onward, half of the offspring received a fructose-rich diet and were then followed to the age of 1 and 6 mo, when plasma lipid, glucose, and insulin levels were measured. The adipose tissue was visualized by magnetic resonance imaging at the age of 6 mo.
RESULTS: IUGR and fructose diet decreased body weight in adult rats. IUGR increased low-density lipoprotein cholesterol in 6-mo-old rats. The fructose diet evoked hypertriglyceridemia and hyperinsulinemia in both the sexes and decreased fasting glucose levels in female rats. Postnatal fructose diet increased lipid content percentage in the retroperitoneal and intra-abdominal adipose tissues in male rats. Interactions between IUGR and postnatal fructose diet were observed in adult weight in males.
CONCLUSION: These results demonstrate the importance of IUGR and fructose diet in adverse changes in lipid and glucose metabolism.
METHODS: IUGR was induced by providing pregnant rats with 50% of daily food intake. From 1 mo onward, half of the offspring received a fructose-rich diet and were then followed to the age of 1 and 6 mo, when plasma lipid, glucose, and insulin levels were measured. The adipose tissue was visualized by magnetic resonance imaging at the age of 6 mo.
RESULTS: IUGR and fructose diet decreased body weight in adult rats. IUGR increased low-density lipoprotein cholesterol in 6-mo-old rats. The fructose diet evoked hypertriglyceridemia and hyperinsulinemia in both the sexes and decreased fasting glucose levels in female rats. Postnatal fructose diet increased lipid content percentage in the retroperitoneal and intra-abdominal adipose tissues in male rats. Interactions between IUGR and postnatal fructose diet were observed in adult weight in males.
CONCLUSION: These results demonstrate the importance of IUGR and fructose diet in adverse changes in lipid and glucose metabolism.
Предметные рубрики MeSH
AdiposityAge FactorsAnimalsAnimals, SucklingBiomarkersBlood GlucoseBody WeightDietary CarbohydratesDisease Models, AnimalFemaleFetal Growth RetardationFructoseGestational AgeHyperinsulinismHypertriglyceridemiaInsulinIntra-Abdominal FatLipidsMagnetic Resonance ImagingMalePregnancyPrenatal Exposure Delayed EffectsRatsRats, Sprague-Dawley