ArticleJournal of lipid research2016
Direct and indirect vitamin A supplementation strategies result in different plasma and tissue retinol kinetics in neonatal rats.
Article in Journal of lipid research, 2016. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
4 citing papers in PubMed, 7 citations in OpenAlex.
- Our Current Dietary Reference Intakes for Vitamin A-Now 20 Years Old.Current developments in nutrition · 2020Review
- Vitamin A Requirements in Pregnancy and Lactation.Current developments in nutrition · 2020Review
- Vitamin A Supplementation during Suckling and Postweaning Periods Attenuates the Adverse Metabolic Effects of Maternal High-Fat Diet Consumption in Sprague-Dawley Rats.Current developments in nutrition · 2020Review
- Article
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
Abstract
Many questions remain regarding vitamin A (VA) supplementation of infants. Herein we compared direct oral VA supplementation of the neonate and indirect treatment through maternal dietary VA (M-VA) treatment on VA status and kinetics in neonatal rats. Treatments included direct VA combined with retinoic acid (RA) [D-VARA; VA (6 mg/kg) + 10% RA, given orally to neonates on postnatal day (P)2 and P3] and indirect VA supplementation through increased M-VA, compared with each other and oil-treated neonates. [(3)H]retinol was administered orally to all neonates on P4. Plasma and tissue [(3)H]retinol kinetics were determined from 1 h to 14 days post-dosing. D-VARA versus placebo dramatically increased liver and lung retinol, but only in the first 8-10 days. In M-VA neonates, liver and lung VA increased progressively throughout the study. Compartmental modeling of plasma [(3)H]retinol showed that both D-VARA and indirect M-VA reduced retinol recycling between plasma and tissues. Compartmental models of individual tissues predicted that D-VARA stimulated the uptake of VA in chylomicrons to extrahepatic tissues, especially intestine, while the uptake was not observed in M-VA neonates. In conclusion, indirect maternal supplementation had a greater sustained effect than D-VARA on neonatal VA status, while also differentially affecting plasma and tissue retinol kinetics.
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Registered trials
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