cyclin-D1

Definition of cyclin-D1
National Cancer Institute

cyclin-D1

(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.

Source: NCI Dictionary of Cancer Terms