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Salk Scientists find Genetic Signatures of Biological Aging

Fig. 1

Predicting age from gene expression data. Rows from top to bottom show age prediction results for LDA Ensemble with 20-year age bins, elastic net, linear regression, and support vector regression

Some people appear to be considerably younger or older than their chronological age. Genetic signatures that may help explain this have been discovered by scientists at the Salk Institute. The age-associated genetic patterns were found by analyzing skin cells from people of various ages, according to a study by Salk Institute scientists.

Researchers then applied the results to detect genetic signs of accelerated aging in people with progeria, a disease that causes patients to appear far older than their chronological age...

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