It seems that our body has its own system of self-destruction that comes into action when he realizes that the production of the cells began to show obvious programming errors. The process of cell regeneration slows down causing aging cells with altered DNA are progressively eliminated as not to allow uncontrolled reproduction such as that which occurs in cancer cells.
Old age and death could then be the body's response the loss of his identity and degeneracy "random" in the original biological project. In particular in mammals seems to be a gene responsible for the length of our lives, the gene that regulates the renewal of tissues, and that activates when autoditruzione warns critical mutations. Without the intervention of that gene comes to live in conditions where we can get, perhaps up to 120 years.
course have it all now with him, called p66shc, and having found a way to lock in mice, one wonders whether the inhibition of this gene in humans has some sense.
More European Institute of Oncology
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