DNA repair

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DNA repair

any of the processes in the CELL in which damaged DNA is recognized and repaired. The process may involve precise reversal of the damage, or removal of the damage followed by replacement with normal DNA. See, for example, DARK REPAIR, EXCISION REPAIR, MISMATCH REPAIR.
References in periodicals archive ?
Though normal DNA repair mechanisms would be able to reverse DNA-damaging effect, it is possible that over a long period of "training and competition" involving high endurance, increased DNA damage could occur, and the effect of DNA repair enzymes might not be sufficient to reverse the accumulated damage.
Topical niacinamide has been demonstrated to play a role in DNA repair (13) by providing cells with the energy that the DNA repair enzymes need to unwind the DNA strand, replace the nucleosides, and rewind the strand.
DNA repair enzymes: an important role in skin cancer prevention and reversal of photodamage--a review of the literature.
THE AFTERBURN EFFECT "WHEN you get burned after spending too much time in the sun, it's always best to address it right away by seeking out ingredients with anti-inflammatory properties, like aloe-vera," says Dr Ronald Moy, founder of DNA Renewal, which harnesses the DNA repair enzymes, the body's natural defence against UV, pollution and ageing.
BER has 4 main steps (base removal, apurinic/apyrimidinic (AP) site incision, synthesis, and ligation) and involves 4 major classes of DNA repair enzymes: DNA glycosylases, apurinic/apyrimidinic endonucleases (APEs), DNA polymerases (DNA pols), and DNA ligases.
A survey of EPEC-infected colon cells showed that this zinc finger pattern was common to at least three DNA repair enzymes, suggesting that NLEE has the capability of having widespread influence on mechanisms in the colon that typically prevent cancer growth.
The properties of archaeal DNA repair enzymes, the similarity to eukaryotic homologs, and stability, are being exploited for inhibitor design.
Photoprotection by topical DNA repair enzymes: molecular correlates of clinical studies.
A drug that blocks RNA viruses from hijacking DNA repair enzymes may avoid these resistance issues.
So, high copper and/or iron generate chemicals that damage brain cells and significantly interfere with DNA repair enzymes. This is good news, because it means there's something you can do to preserve your memory.
Formulated by and marketed under the company's Neova brand, DNA Damage Control sunscreens have patent-pending formulas that use liposomes to deliver DNA repair enzymes to the cellular level of the skin, hyper-targeting the site of the DNA injury.
Among these mechanisms, accumulation of DNA damage due to inhibition of DNA repair enzymes by Cd is considered as one of the major underlying processes (Jin et al.