Cyclin
Cyclin: One of a group of proteins that regulate the cell cycle. The cyclins bind to and activate cyclin-dependent kinases.
The cyclins include cyclin A, cyclin B, cyclin C, cyclin D, cyclin E, cyclin F, cyclin G, cyclin H, cyclin K, and cyclin T.
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- Cyclic vomiting syndrome
Cyclic vomiting syndrome: A syndrome characterized by episodes, bouts, or cycles of severe nausea and vomiting that last for hours or even days and alternate with longer asymptomatic periods (with no symptoms). The cause of the syndrome is unknown but it is believed by many experts to be related to migraine. Cyclic vomiting syndrome (CVS) […]
- Cyclin D
Cyclin D: A family of three closely related proteins termed cyclin D1, D2 and D3 that are expressed in an overlapping redundant fashion in all proliferating cell types and collectively control the progression of cells through the cell cycle. Since the D-cyclins are essential to cell division, they may also be involved in cancer.
- Cyclin E
Cyclin E: A protein that is part of a molecular network that controls the cell cycle. There are a large number of cyclin proteins involved in this endeavor. Cyclin E specifically regulates the transition from the G1 phase to the S phase of the cell cycle. A high level of cyclin E accelerates the transition […]
- Cyclooxygenase-1
Cyclooxygenase-1: Cyclooxygenase-1, an enzyme that acts to speed up the production of certain chemical messengers, called prostaglandins, in a variety of areas of the body such as the stomach, kidneys, and sites of inflammation. In the stomach, prostaglandins promote the production of a protective natural mucus lining. They also interact within certain cells that are […]
- Cyclooxygenase-2
Cyclooxygenase-2: Cyclooxygenase-2, an enzyme that acts to speed up the production of certain chemical messengers, called prostaglandins that play a key role in in promoting inflammation. When cox-2 activity is blocked, inflammation is reduced. Unlike cox-1, cox-2 is active only at the site of inflammation, not in the stomach.