The relationship between DNA damage and repair and the occurrence and development of disease.
Level 5 - mechanism / opinion, no new human data
Narrative review describing biological mechanisms without primary empirical data or systematic search methodology.
PubMed 42344520 · doi:10.3389/fgene.2026.1849071
What was done
This paper provides a general narrative overview of eukaryotic DNA damage and the primary repair pathways involved in preventing disease, specifically tumor development.
What was found
The abstract reports no quantitative data or specific numerical findings. It conceptually outlines the primary eukaryotic repair mechanisms: nucleotide excision repair (NER) for large DNA damage fragments, base excision repair (BER) for single-base lesions, mismatch repair (MMR) for base mismatches, and double-strand break (DSB) repair via non-homologous end joining (template-free) or homologous recombination (sister chromatid-templated).
Why it matters
Understanding these core DNA repair pathways highlights the mechanistic basis of disease pathogenesis and provides a conceptual framework for developing targeted therapeutic agents.
Limits
The abstract provides only a high-level descriptive summary without empirical experimental data, systematic review methodology, sample details, or quantitative outcome measures.
Cited by
- supports Every cell in the human body experiences at least one broken chromosome every day, amounting to approximately 20 trillion chromosome breakage events daily across the body.