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Glycosaminoglycans and proteoglycans of normal and tumoral cartilages of humans and rats.

Differences in the glycosaminoglycans and proteoglycans synthesized by "young," "adult," and tumoral chondrocytes are reported. Young cartilage and human chondrosarcoma contain chondroitin 4- and 6-sulfates, whereas adult human cartilage contains almost exclusively chondroitin 6-sulfate. High keratan sulfate content is reported in adult cartilage, whereas it is almost absent in young and tumoral cartilages. The electrophoretic pattern and keratan sulfate content in these proteoglycans from adult cartilage are clearly distinct from those of the young and tumoral cartilages. The high molecular weight is the distinguishing property of the glycosaminoglycan synthesized by tumoral chondrocytes.[1]

References

  1. Glycosaminoglycans and proteoglycans of normal and tumoral cartilages of humans and rats. Mourão, P.A., Michelacci, Y.M., Toledo, O.M. Cancer Res. (1979) [Pubmed]
 
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