ArticleJournal of clinical biochemistry and nutrition2007
gamma-Tocopherol Accelerated Sodium Excretion in a Dose-Dependent Manner in Rats with a High Sodium Intake.
Article in Journal of clinical biochemistry and nutrition, 2007. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 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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Who cites it
2 citing papers in PubMed, 3 citations in OpenAlex.
- Dietary intake of tocopherols and risk of incident disabling dementia.Scientific reports · 2021Article
- Changes in the concentrations of vitamin E analogs and their metabolites in rat liver and kidney after oral administration.Journal of clinical biochemistry and nutrition · 2015Article
Corrections and comments
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Authors and funding
12 authors at 5 institutions in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
We have previously reported that gamma-tocopherol (gamma-Toc) displays a natriuretic potency in rats fed a NaCl diet and administered 20 mg gamma-Toc. In this study, we investigated whether gamma-Toc has natriuretic potency at a dose lower or higher than 20 mg in rats given a NaCl diet. Male rats were fed a control diet or a NaCl diet and administered either placebo or 10, 20 or 40 mg of gamma-Toc. The rat urine was collected for 24 hours (divided into 6 hour periods) and the 2,7,8-trimethyl-2-(2'-carboxyethyl)-6-hydroxychroman (gamma-CEHC) level, the sodium excretion content, and the urine volume were determined. The 24-hour gamma-CEHC and sodium levels in the urine of the NaCl groups given 20 mg or 40 mg gamma-Toc were significantly higher than those in the placebo group. The peak levels of urine sodium and gamma-CEHC in the NaCl group given 40 mg gamma-Toc appeared at 0-6 h, which was a more rapid increase than that seen in the group given 20 mg gamma-Toc. The 24-hour urine volumes of the NaCl groups given 10 and 20 mg gamma-Toc were significantly higher than the urine volume of the placebo group. Our findings suggested that gamma-Toc increased sodium excretion in a dose-dependent manner in rats fed a NaCl diet. Moreover, a high dose of gamma-Toc may accelerate its metabolism and cause an increase in the rate of sodium excretion.
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Registered trials
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