Research CommentariesCELL CYCLE

The Expanding Role of Cell Cycle Regulators

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Science  15 May 1998:
Vol. 280, Issue 5366, pp. 1035-1036
DOI: 10.1126/science.280.5366.1035

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The cell cycle is a complex series of protein interactions and enzymatic alterations that governs the orderly division of cells. Jacks and Weinberg summarize new evidence--some of which is presented by Di Cunto et al. in this issue--that the proteins that make up the cell cycle machinery can also have other functions, often in directing the differentiation of cells.