TPO

Definition / meaning of TPO

A substance made by the body that helps make blood cells, especially platelets. A form of TPO made in the laboratory is called recombinant human TPO and rHu TPO. TPO is being studied as a way to increase the number of platelets in cancer patients receiving chemotherapy. Also called thrombopoietin.

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Source(s):

The Web site of the National Cancer Institute (http://www.cancer.gov/)

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