Aging · 3 Nov 2026
A commentary says telomere RNA loops can stall DNA copying and, in some tumors, get used to keep chromosome ends going
Source: Frontiers in Aging
What the research found
A commentary published 3 November 2026 describes how telomeric repeat-containing RNA can form RNA-DNA hybrids at chromosome ends. Those hybrids can stall the copy machinery, leave fragile ends, and promote break-induced repair. The authors write that ordinary cells tend to stop dividing under that stress, a form of cellular aging, while some tumor cells, especially ones that lengthen telomeres without telomerase, may use the conflict to keep telomeres going. This is a mechanism commentary, not a new experiment, and not a treatment. Not medical advice.
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