AR+

Definition / meaning of AR+

Describes cells that have a protein that binds to androgens (male hormones). Cancer cells that are AR+ may need androgens to grow. These cells may stop growing or die when they are treated with substances that block the binding and actions of androgen hormones. Also called androgen receptor positive.

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Find More About 'AR+'

Source(s):

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

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