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Nocturnal eating disturbs phosphorus excretion in young subjects: a randomized crossover trial

Overview of attention for article published in Nutrition Journal, October 2015
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Title
Nocturnal eating disturbs phosphorus excretion in young subjects: a randomized crossover trial
Published in
Nutrition Journal, October 2015
DOI 10.1186/s12937-015-0096-y
Pubmed ID
Authors

Masae Sakuma, Saaya Noda, Yuuka Morimoto, Akitsu Suzuki, Kanaho Nishino, Sakiko Ando, Minako Umeda, Makoto Ishikawa, Hidekazu Arai

Abstract

Nocturnal eating have recently increased. Serum phosphorus levels and regulators of phosphorus have circadian variations, so it is suggested that the timing of eating may be important in controlling serum phosphorus levels. However, there have been no reports on the effects of nocturnal eating on phosphorus metabolism. The objective was to evaluate the effects of nocturnal eating on phosphorus metabolism. Fourteen healthy men participated in two experimental protocols with differing dinner times. The design of this study was a crossover study. The subjects were served test meals three times (breakfast; 07:30 h, lunch; 12:30 h, dinner; 17:30 or 22:30 h) a day. Blood and urine samples were collected to assess diurnal variation until the following morning. The following morning, fasting serum phosphorus levels in the late dinner group were markedly higher than those in the early dinner group (p < 0.001), although serum calcium levels were maintained at approximately constant levels throughout the day in both groups. Fluctuations in urinary calcium excretion were synchronized with the timing of dinner eating, however, fluctuations in urinary phosphorus excretion were not synchronized. Urinary phosphorus excretions at night were inhibited in the late dinner group. In the late dinner group, intact parathyroid hormone levels didn't decrease, and they were significantly higher in this group compared with the early dinner group at 20:00 h (p = 0.004). The following morning, fasting serum fibroblast growth factor 23 levels in the late dinner group had not changed, but those in the early dinner group were significantly increased (p = 0.003). Serum free fatty acid levels before dinner were significantly higher in the late dinner group compared with the early dinner group. Our results indicate that nocturnal eating inhibits phosphorus excretion. It is suggested that nocturnal eating should be abstained from to manage serum phosphorus levels to within an adequate range.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 28 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 28 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 4 14%
Student > Ph. D. Student 3 11%
Lecturer 2 7%
Researcher 2 7%
Student > Master 2 7%
Other 5 18%
Unknown 10 36%
Readers by discipline Count As %
Medicine and Dentistry 6 21%
Nursing and Health Professions 3 11%
Sports and Recreations 2 7%
Biochemistry, Genetics and Molecular Biology 2 7%
Social Sciences 1 4%
Other 1 4%
Unknown 13 46%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 01 August 2016.
All research outputs
#18,430,915
of 22,833,393 outputs
Outputs from Nutrition Journal
#1,266
of 1,427 outputs
Outputs of similar age
#200,104
of 278,199 outputs
Outputs of similar age from Nutrition Journal
#31
of 34 outputs
Altmetric has tracked 22,833,393 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
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We're also able to compare this research output to 34 others from the same source and published within six weeks on either side of this one. This one is in the 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.