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Assessment of effectiveness of oral administration of collagen peptide on bone metabolism in growing and mature rats

Overview of attention for article published in Journal of Bone and Mineral Metabolism, November 2004
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Title
Assessment of effectiveness of oral administration of collagen peptide on bone metabolism in growing and mature rats
Published in
Journal of Bone and Mineral Metabolism, November 2004
DOI 10.1007/s00774-004-0522-2
Pubmed ID
Authors

Jian Wu, Maiko Fujioka, Kiho Sugimoto, Gang Mu, Yoshiko Ishimi

Abstract

The purpose of this study was to examine the effectiveness of collagen peptide intake on bone metabolism in growing (G) and calcium-deficient mature (M) rats. As for the dosages used, they were amounts equal to the recommended supplements for humans (0.166 g/kg body weight (BW) per day: Coll-1G and Coll-1M groups), 10-fold higher (1.66 g/kg BW per day: Coll-10G and Coll-10M groups), and 100-fold higher (16.6 g/kg BW per day: Coll-100G group). In growing male rats, bone mineral density (BMD) of the femur in the Coll-100G group was significantly higher than that in the other groups after the 4-week experimental period. On the other hand, kidneys in the rats from the Coll-100G group exhibited hypertrophy. To examine the effects of collagen peptide on bone metabolism in a calcium-deficient status, mature female rats were fed a 0.01% Ca diet for 9 weeks and then fed a diet with 0.2% calcium with or without collagen peptide (control, Coll-1M, and Coll-10M groups) or a 0.5% calcium diet (normal Ca) for 8 weeks. BMD of the whole femur in the Coll-10M group was significantly higher than that in the control and Coll-1M groups, and the level was similar to that in the normal Ca group. BMD of the lumbar spine in the Coll-10M group was significantly higher than their baseline value, as well as being significantly higher than that in the control and Coll-1M groups. These results suggest that orally administered collagen peptide may provide beneficial effects on bone metabolism, especially in the calcium-deficient condition, without obvious undesirable effects.

Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 71 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Spain 1 1%
Unknown 70 99%

Demographic breakdown

Readers by professional status Count As %
Researcher 14 20%
Student > Bachelor 10 14%
Student > Master 8 11%
Professor > Associate Professor 5 7%
Other 5 7%
Other 11 15%
Unknown 18 25%
Readers by discipline Count As %
Agricultural and Biological Sciences 13 18%
Biochemistry, Genetics and Molecular Biology 11 15%
Medicine and Dentistry 10 14%
Veterinary Science and Veterinary Medicine 4 6%
Engineering 4 6%
Other 10 14%
Unknown 19 27%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. 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 13 September 2021.
All research outputs
#7,863,403
of 23,842,189 outputs
Outputs from Journal of Bone and Mineral Metabolism
#137
of 787 outputs
Outputs of similar age
#20,970
of 63,678 outputs
Outputs of similar age from Journal of Bone and Mineral Metabolism
#1
of 3 outputs
Altmetric has tracked 23,842,189 research outputs across all sources so far. This one is in the 44th percentile – i.e., 44% of other outputs scored the same or lower than it.
So far Altmetric has tracked 787 research outputs from this source. They receive a mean Attention Score of 2.7. This one has gotten more attention than average, scoring higher than 65% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 63,678 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 12th percentile – i.e., 12% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 3 others from the same source and published within six weeks on either side of this one. This one has scored higher than all of them