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  2. DNA repair - Wikipedia

    en.wikipedia.org/wiki/DNA_repair

    This then allows recruitment of the DNA repair enzyme MRE11, to initiate DNA repair, within 13 seconds. [51] γH2AX, the phosphorylated form of H2AX is also involved in the early steps leading to chromatin decondensation after DNA double-strand breaks. The histone variant H2AX constitutes about 10% of the H2A histones in human chromatin.

  3. Pyrimidine dimer - Wikipedia

    en.wikipedia.org/wiki/Pyrimidine_dimer

    It is a base excision repair enzyme specific for pyrimidine dimers. It is then able to cut open the AP site. Another type of repair mechanism that is conserved in humans and other non-mammals is translesion synthesis. Typically, the lesion associated with the pyrimidine dimer blocks cellular machinery from synthesizing past the damaged site.

  4. Photolyase - Wikipedia

    en.wikipedia.org/wiki/Photolyase

    These enzymes require visible light (from the violet/blue end of the spectrum) both for their own activation [1] and for the actual DNA repair. [2] The DNA repair mechanism involving photolyases is called photoreactivation. They mainly convert pyrimidine dimers into a normal pair of pyrimidine bases. Photo reactivation, the first DNA repair ...

  5. Do NAD supplements actually have benefits? Doctors ... - AOL

    www.aol.com/nad-supplements-actually-benefits...

    "Some of those enzymes are involved in cellular repair, so helping cells that have damage due to UV radiation, for example," says Martens. NAD also plays a role in DNA repair, inflammation ...

  6. There Is No Cure for Aging, But These 20 Products Can Help ...

    www.aol.com/lifestyle/cant-stop-aging-17...

    With added capryloyl salicylic acid, which acts to remove dead skin cells and reduce inflammation, the cream is able to keep skin firm and reduce the appearance of wrinkles. Read more: Best ...

  7. ERCC4 - Wikipedia

    en.wikipedia.org/wiki/ERCC4

    ERCC4 is a protein designated as DNA repair endonuclease XPF that in humans is encoded by the ERCC4 gene. Together with ERCC1, ERCC4 forms the ERCC1-XPF enzyme complex that participates in DNA repair and DNA recombination. [5] [6] The nuclease enzyme ERCC1-XPF cuts specific structures of DNA. Many aspects of these two gene products are ...

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