This cell-culture study compared skate-derived chondroitin sulfate oligosaccharides with a higher-molecular-weight chondroitin sulfate preparation. In RAW264 cells, the oligosaccharides inhibited experimentally induced osteoclast differentiation at lower concentrations than the comparison material. In C2C12 cells grown under myotube-differentiation conditions, the oligosaccharides increased cell viability, while the higher-molecular-weight preparation did not show the same response. The experiments concern chondroitin sulfate rather than beta-glucan and provide no evidence of effects on bone, muscle, pain, or inflammation in humans.
Murine RAW264 and C2C12 cell models were used to compare two chondroitin sulfate preparations.
The findings are laboratory observations about chondroitin sulfate, not beta-glucan or human health outcomes.
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Uchiyama, Hirofumi; Muramatsu, Daisuke; Higashi, Hideaki; Kida, Hiroshi; Iwai, Atsushi. Effects of chondroitin sulfate oligosaccharides on osteoclast differentiation of RAW264 cells, and myotube differentiation of C2C12 cells. PLOS ONE. 2023. DOI: 10.1371/journal.pone.0284343.
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