Parathyroid hormone-related protein

Parathyroid hormone-related protein (or PTHrP) is a proteinoccasionally secreted by cancercells (breast cancer, certain types of lung cancer). PTHrP is related in function to the "normal" parathyroid hormone. When a tumorsecretes PTHrP, this can lead to hypercalcemia. As this is sometimes the first sign of the malignancy, hypercalcemiacaused by PTHrP is considered a paraneoplastic phenomenon.

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It uses material from the http://en.wikipedia.org/wiki/Parathyroid+hormone-related+protein Wikipedia article Parathyroid hormone-related protein.