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Showing 1–7 of 7 results
Advanced filters: Author: Agnel Sfeir Clear advanced filters
  • Biochemical and cellular analyses reveal that the helicase activity of DNA polymerase theta (Polθ) antagonizes RPA to promote DNA strand annealing and double-strand break repair via alt-NHEJ in mouse ES cells.

    • Pedro A Mateos-Gomez
    • Tatiana Kent
    • Agnel Sfeir
    Research
    Nature Structural & Molecular Biology
    Volume: 24, P: 1116-1123
  • Next-generation sequencing technology is used to show that the error-prone polymerase θ (Polθ) is needed to promote alternative non-homologous end joining at telomeres, and during chromosomal translocations, while counteracting homologous recombination; inhibition of Polθ represents a potential therapeutic strategy for tumours that have mutations in homology-directed repair genes.

    • Pedro A. Mateos-Gomez
    • Fade Gong
    • Agnel Sfeir
    Research
    Nature
    Volume: 518, P: 254-257
  • Sfeir and colleagues consider recent insights into the pathways that process and repair damaged mitochondrial genomes, nuclear–mitochondrial cross-talk during mtDNA stress, and links between mtDNA dysfunction and innate immunity.

    • Yi Fu
    • Marco Tigano
    • Agnel Sfeir
    Reviews
    Nature Structural & Molecular Biology
    Volume: 27, P: 687-695
  • DNA double-stranded breaks threaten genome stability. Here, the authors show that transcript RNA serves as a repair template in human cells and identify Polζ as a key factor in RNA-templated DSB repair. This process can lead to intron deletion, resulting in a mutational signature in cancer genomes.

    • Manisha Jalan
    • Alessandra Brambati
    • Agnel Sfeir
    ResearchOpen Access
    Nature Communications
    Volume: 16, P: 1-16
  • Double-strand break (DSB) repair at telomeres — the ends of linear chromosomes — can cause chromosome end fusions and genomic instability, which drives tumorigenesis. As several mechanisms protect mammalian telomeres from the DNA damage response, telomeres have emerged as a system to uncover key steps in DSB repair.

    • Eros Lazzerini-Denchi
    • Agnel Sfeir
    Reviews
    Nature Reviews Molecular Cell Biology
    Volume: 17, P: 364-378
  • Breaks in mitochondrial DNA cause leakage of mitochondrial RNA into the cytoplasm, enhancing immune surveillance and synergizing with nuclear DNA damage to mount a robust type-I interferon immune response.

    • Marco Tigano
    • Danielle C. Vargas
    • Agnel Sfeir
    Research
    Nature
    Volume: 591, P: 477-481
  • Curiosity-driven and fundamental discovery science must be justified in its importance to human health and translational potential for practical applications and cures. However, many groundbreaking discoveries occur through the freedom to ask fundamental questions — the how and why — without knowing where they lead. Presented here is an example of a clinical target that emerged from a seemingly simple question in chromosome biology.

    • Agnel Sfeir
    Comments & Opinion
    Nature Structural & Molecular Biology
    Volume: 31, P: 1311-1312