Journal
FOOD & FUNCTION
Volume 10, Issue 8, Pages 5008-5017Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c9fo00981g
Keywords
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Funding
- Japan Society for the Promotion of Science (JSPS) [26350153, 19K02376]
- Grants-in-Aid for Scientific Research [26350153, 19K02376] Funding Source: KAKEN
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Supplementation with cartilage constituents, such as glucosamine, chondroitin sulfate and collagen peptide, are believed to reduce pain associated with joint disorders, such as rheumatoid arthritis (RA). Here, we administered daily, 10 mg glucosamine or 100 mg chicken cartilage hydrolysate (CH) to SKG/Jcl mice, a model for spontaneous RA, for 5 weeks and evaluated their effects on RA development. In SKG mice, the administration of glucosamine had no reducing effect on RA score but suppressed the expression of Mmp13 and Col3a1 genes in articular cartilage. In contrast, administration of CH suppressed the RA score and levels of plasma interleukin-6 and interleukin-17 to half, although the differences were not significant. Mice administered with glucosamine also showed decreased bone strength of femur and these adverse effects could be eliminated when glucosamine was used in conjunction with CH. These results suggest that CH and glucosamine exert effects on different aspects in SKG mice.
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