Ageing is determined not only by the accumulation of changes during our lifetime but also by the genes we acquire.
Blame your mum for your ageing look. A study has identified that ageing is determined not only by the accumulation of changes during our lifetime but also by the genes we acquire from our mothers.
There are many causes of ageing that are determined by an accumulation of various kinds of changes that impair the function of bodily organs. Ageing seems to happen owing to the changes that occur in the cell's power plant - the mitochondrion. This structure is located in the cell and generates most of the cell's supply of ATP which is used as a source of chemical energy.
According to Nils-Goran Larsson, Ph.D., professor at the Karolinska Institutet and principal investigator at the Max Planck Institute for Biology of Aging, the mitochondria contains their own DNA, which changes more than the DNA in the nucleus and this has a significant impact on the aging process. Many mutations in the mitochondria gradually disable the cell's energy production. If we inherit DNA with mutations from our mother, we age more quickly.
The study is published in the journal Nature.
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