An Approach to Base Editing for Mitochondrial DNA

Source https://www.fightaging.org/archives/2025/07/an-approach-to-base-editing-for-mitochondrial-dna/

Base editing, such as via the various CRISPR-based approaches, is a powerful technology for making small changes to DNA sequences. It only works in the nuclear genome, however. Researchers have recently demonstrated base editing that works for the hundreds of mitochondrial genomes present in a cell. This is good for patients with single detrimental inherited mitochondrial mutations, but it remains to be seen as to whether base editing can be applied usefully to the problem of stochastic DNA damage in aging. How does one repair a million differ…

Source https://www.fightaging.org/archives/2025/07/an-approach-to-base-editing-for-mitochondrial-dna/

Base editing, such as via the various CRISPR-based approaches, is a powerful technology for making small changes to DNA sequences. It only works in the nuclear genome, however. Researchers have recently demonstrated base editing that works for the hundreds of mitochondrial genomes present in a cell. This is good for patients with single detrimental inherited mitochondrial mutations, but it remains to be seen as to whether base editing can be applied usefully to the problem of stochastic DNA damage in aging. How does one repair a million differ…

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