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Phosphorylation of H2AX at short telomeres in T cells and fibroblasts
(American Society for Biochemistry and Molecular Biology, 2004-10-22)
Eukaryotic cells undergo arrest and enter apoptosis in response to short telomeres. T cells from late generation mTR(-/-) mice that lack telomerase show increased apoptosis when stimulated to enter the cell cycle. The ...
Short Telomeres, even in the Presence of Telomerase, Limit Tissue Renewal Capacity
(Cell Press, 2005-12-16)
Autosomal-dominant dyskeratosis congenita is associated with heterozygous mutations in telomerase. To examine the dosage effect of telomerase, we generated a line of mTR+/ÿ mice on the CAST/EiJ background, which has short ...
The Shortest Telomere, Not Average Telomere Length, Is Critical for Cell Viability and Chromosome Stability
(Cell Press, 2001-10-05)
Loss of telomere function can induce cell cycle arrest and apoptosis. To investigate the processes that trig- ger cellular responses to telomere dysfunction, we crossed mTR/ G6 mice that have short telomeres with mice ...