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Cell-free translation of messenger RNA for chondroitin sulphate proteoglycan core protein in rat cartilage.

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PMC
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  • Biology
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Abstract

Total RNA was extracted from the cartilage tissues rat Swarm chondrosarcoma, neonatal-rat breastplate and embryonic-chicken sterna and translated in wheat-germ cell-free reactions. The core protein of the chondroitin sulphate proteoglycan subunit was identified among translation products of rat mRNA by its apparent Mr of 330 000 and by its immunoprecipitation with specific antisera prepared against rat or chicken proteoglycan antigens. The apparent Mr of the rat proteoglycan core protein is 8000-10000 less than that of the equivalent chicken cartilage core-protein product.

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