Definition of "osteopontin" []

• A sialopontin found in bone tissue (noun)

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• "The protein called osteopontin (OPN) could lead to a novel approach to the treatment of a devastating lung disease."
• "The team has identified specific genes, such as osteopontin, that are directly induced by LSF."
• "The serum osteopontin level might be useful in screening asbestos-exposed people for mesotheliomaThe level of soluble mesothelin-related protein is elevated in the serum of about 75% of patients at diagnosis and it has been suggested that it may be useful for screening."