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Reference Report
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| Citation | Kurzhals, R.L., Titen, S.W., Xie, H.B., Golic, K.G. (2011). Chk2 and p53 are haploinsufficient with dependent and independent functions to eliminate cells after telomere loss. PLoS Genet. 7(6): e1002103. (Export to RIS) | ||
| FlyBase ID | FBrf0216299 | ||
| Publication Type | Research paper | ||
| PubMed ID | 21655087 | ||
| PubMed Abstract | The mechanisms that cells use to monitor telomere integrity, and the array of responses that may be induced, are not fully defined. To date there have been no studies in animals describing the ability of cells to survive and contribute to adult organs following telomere loss. We developed assays to monitor the ability of somatic cells to proliferate and differentiate after telomere loss. Here we show that p53 and Chk2 limit the growth and differentiation of cells that lose a telomere. Furthermore, our results show that two copies of the genes encoding p53 and Chk2 are required for the cell to mount a rapid wildtype response to a missing telomere. Finally, our results show that, while Chk2 functions by activating the p53-dependent apoptotic cascade, Chk2 also functions independently of p53 to limit survival. In spite of these mechanisms to eliminate cells that have lost a telomere, we find that such cells can make a substantial contribution to differentiated adult tissues. | ||
| DOI | 10.1371/journal.pgen.1002103 | ||
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| Language of Publication | English | ||
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| Publication Type | Journal | ||
| Abbreviation | PLoS Genet. | ||
| Title | PLoS Genetics | ||
| Publication Year | 2005- | ||
| ISBN/ISSN | 1553-7404 1553-7390 | ||
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Data from Reference
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| Genes (10)
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