The cell cycle has been the subject of intense investigation during two periods since Virchow's 1855 realization that cells only arise from pre-existing cells. At the turn of the century ...

Figure 1: Expression of pRb and p16 as a function of cell density. Figure 3: hTERT clones undergo normal growth arrest in response to PALA and γ-irradiation. Figure 4: hTERT clones arrest ...

The adult worm consists of 959 somatic cells that arise via an invariant cell lineage ... Through statistical analysis of individual cell cycles in wild type embryogenesis, we found that the ...

soma cell fate decision during embryogenesis. After a flurry of cell divisions from the starting “germ cell” (i.e. united egg and sperm), somatic cells begin to exit the cell cycle as the DREAM ...