Tag Archives: senescence

rDNA theory of aging

The ribosomes are the most abundant protein complexes in the cell. They are synthesised from ribosomal DNA (rDNA) genes within nucleoli. In most eukaryotic cells, rDNA exists in tandem arrays, which are repeating units of similar sequences. Oftentimes the rDNA … Continue reading

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somatic mtDNA mutations

A paper by Alexandra Kukat and Aleksandra Trifunovic demonstrates that somatic mtDNA mutations have the capacity to cause a variety of aging phenotypes in mammals. However, the relative importance of somatic mtDNA mutations in mammalian aging remains unclear, as the … Continue reading

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senescence and disease

There’s a review paper that came out recently on Mechanisms of Ageing and Development journal ( Volume 129, Issue 12, December 2008, Pages 693-699). It is entitled “Does senescence give rise to disease?” by Bruce Carnes and colleagues. Here’s a … Continue reading

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Filed under ageing, aging, anti-ageing, anti-aging, senescence