Role of magnesium in genomic stability.
Level 5 - mechanism / opinion, no new human data
Narrative review of mechanistic and preclinical literature without systematic search methodology.
PubMed 11295157 · doi:10.1016/s0027-5107(01)00074-4
What was done
This is a narrative review summarizing literature on the biochemical, cellular, and physiological functions of magnesium in maintaining DNA and chromatin structure, enzymatic DNA processing, cell cycle regulation, and disease pathogenesis.
What was found
The abstract reports no numerical data, pooled effect sizes, or specific statistical findings. It qualitatively reports that magnesium acts as an essential cofactor in DNA replication fidelity and major repair pathways (nucleotide excision repair, base excision repair, and mismatch repair), stabilizes DNA and chromatin, and regulates apoptosis and the cell cycle. It also describes magnesium deficiency as a contributor to oxidative stress susceptibility and membrane dysfunction, while noting a complex role in oncology where it appears protective during early stages but may support the growth of established tumors.
Why it matters
This review outlines the multifaceted mechanistic dependency of cellular DNA repair machinery on adequate magnesium levels.
Limits
The abstract provides no primary data, systematic search criteria, or quantitative risk estimates. Claims regarding human health impacts and widespread marginal dietary deficiency are stated qualitatively without specific cohort figures or risk ratios.
Cited by
- supports Magnesium acts as an essential cofactor for over 300 different enzymatic reactions in the human body and is required for DNA repair.