Determination of the Biological Age – Using DNA-methylation changes for determining the biological age of a human individual

Biological age is influenced by parameters, such as genetic background, disease and lifestyle. Currently, the biological age can be assessed by measuring telomere length, DNA rearrangements or protein alterations. However, these methods lack precision and have practical limitations.
Therefore, scientists of the University Hospital Aachen developed a new method using epigenetic modifications to track human aging.
Based on the analysis of DNA-methylation (DNAm) profiles an Epigenetic-Aging-Signature has been evolved which only requires measurement of DNAm levels at six specific CpG sites. The DNA can be assessed by locus specific pyro-sequencing analysis of bisulfate-converted DNA.

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