[Loss of total 5-methylcytosine from the genome during cell culture aging coincides with the Hayflick limit].

Abstract excerpt

Analyzing the data about the age-related 5-methylcytosine (5mC) loss from DNA of cell cultures, the following conclusions have been made: 1. The rate of 5mC loss from DNA does not depend on the cell donor age; it remains constant during the logarithmic phase of cell growth, and may vary significantly in different cell lines. 2. The rate is inversely proportional to their Hayflick limit and to the species lifespan...

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