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Cycling cancer persister cells arise from lineages with distinct programs
Lineage tracing by barcoding of individual cells using a lentivirus library shows that cycling and non-cycling drug-tolerant persister cells in cancer arise from different lineages with distinct transcriptional and metabolic programs.
- Yaara Oren
- , Michael Tsabar
- & Aviv Regev
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Letter |
p38γ is essential for cell cycle progression and liver tumorigenesis
The stress-activated kinase p38γ has a role in regulating entry into the cell cycle; in the liver, it can induce cellular proliferation during regeneration and promote the development of hepatocellular carcinoma.
- Antonia Tomás-Loba
- , Elisa Manieri
- & Guadalupe Sabio
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Letter |
Competing memories of mitogen and p53 signalling control cell-cycle entry
Mother cells transmit mitogen-induced CCND1 mRNA and DNA damage-induced p53 protein to newly born daughter cells, where synthesized cyclin D1 and the p53-regulated CDK inhibitor p21 directly compete to decide between proliferation and quiescence.
- Hee Won Yang
- , Mingyu Chung
- & Tobias Meyer
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Letter |
Cell death during crisis is mediated by mitotic telomere deprotection
Cells that bypass senescence in the absence of the p53 tumour suppressor protein have shortened telomeres that undergo fusion, and these fusions trigger mitotic arrest and cell death in crisis.
- Makoto T. Hayashi
- , Anthony J. Cesare
- & Jan Karlseder
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Letter |
A PP1–PP2A phosphatase relay controls mitotic progression
The activation and coordination of phosphatase activity is important during mitotic exit; here, a mitotic phosphatase relay is described in fission yeast between the two major phosphatases, PP1 and PP2A, a mode of regulation that may be a feature of signalling networks across eukaryotes.
- Agnes Grallert
- , Elvan Boke
- & Iain M. Hagan