ArticleIn vivo (Athens, Greece)
Lieber-DeCarli Diet Promotes Different Hepatic Histological Changes During Early and Late Pregnancy: An Example of Maternal Resilience.
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Abstract
BACKGROUND/
aimDuring pregnancy, maternal liver can be affected by ethanol (ETOH) intake, whose effects depend on concentration levels ingested. This study aims to describe histological and serum marker characteristics of maternal liver during two metabolic conditions: gestation (G), and sustained ETOH intake, in early and late pregnancy. MATERIALS AND
methodsWistar rats were fed with Lieber-DeCarli diet during pregnancy, following an experimental protocol that allows a semi-chronic intake of ETOH (5%). Liver and serum samples were processed for histological characterization and biochemical profiling. Hematoxylin/eosin and Schiff's Periodic Acid staining were used.
resultsDuring pregnancy, a significant elevation in ballooned and edamatous hepatocytes, and a significant increase in micro and macrovesicular deposits were observed in rats fed with the ETOH diet at gestation days 3G, 8G and 15G. These changes were reverted by 20G. Liver glycogen content increased significantly at 15G. Serum metabolites in pregnant rats fed with the ETOH diet showed a significant reduction in urea (from 3G to 15G), an increase in albumin and uric acid at 20G, and a reduction in creatinine. Number of offsprings and weight of male newborns were reduced by 20% and 14%, respectively. Liver function markers in serum showed no significant changes.
conclusionETOH diet intake promotes hepatic histological changes and histological modifications during pregnancy. These results support the assumption that pregnancy is an adaptive procedure that is associated with nutritional conditions and has a strong influence on hepatic histology. They suggest that pregnancy promotes a state of resilience to the liver function during the sustained intake of 5% ETOH.
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