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NCI Dictionary of Cancer Terms

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NCI Dictionary of Cancer Terms

cyclin-D1  listen  (SY-klin …)

  A protein that helps control cell division. It is found in higher than normal amounts in several types of cancer cells. Measuring the amount of cyclin-D1 in blood cells may help to diagnose cancer or plan cancer treatment. Cyclin-D1 is a cell cycle protein and a type of tumor marker.