Comment on

• Correlation of terminal cell cycle arrest of skeletal muscle with induction of p21 by MyoD.

  Halevy O, Novitch BG, Spicer DB, Skapek SX, Rhee J, Hannon GJ, Beach D, Lassar AB. Halevy O, et al. Science. 1995 Feb 17;267(5200):1018-21. doi: 10.1126/science.7863327. Science. 1995. PMID: 7863327
• Inhibition of myogenic differentiation in proliferating myoblasts by cyclin D1-dependent kinase.

  Skapek SX, Rhee J, Spicer DB, Lassar AB. Skapek SX, et al. Science. 1995 Feb 17;267(5200):1022-4. doi: 10.1126/science.7863328. Science. 1995. PMID: 7863328
• p53-independent expression of p21Cip1 in muscle and other terminally differentiating cells.

  Parker SB, Eichele G, Zhang P, Rawls A, Sands AT, Bradley A, Olson EN, Harper JW, Elledge SJ. Parker SB, et al. Science. 1995 Feb 17;267(5200):1024-7. doi: 10.1126/science.7863329. Science. 1995. PMID: 7863329
• Cell biology. Cell cycle inhibitors may help brake growth as cells develop.

  Marx J. Marx J. Science. 1995 Feb 17;267(5200):963-4. doi: 10.1126/science.7863339. Science. 1995. PMID: 7863339 No abstract available.