Genetics and environmental factors have proven to be the two basic pillars of our age. Now, scientists have discovered that the fact that there are people who appear much younger than others – even being the same age – is due, once again, to genetics. Specifically, the gene responsible for red hair and pale skin, MC1R, is also the originator of this freshness.
Thus, a team of researchers from the Erasmus University Medical Center , in Rotterdam (Netherlands) has discovered that the variations of the MC1R gene are not only related to these physical characteristics but also to perceived age.
“For the first time, a gene has been found that explains in part why some people appear older and others younger for their age,” says Manfred Kayser, co-author of the work.
To delve into this field, the experts examined the genomes of more than 2,600 elderly Dutch people in order to locate variations in DNA that were associated with perceived age and facial wrinkles , discovering that it was the MC1R gene variants that defined these extremes. . Certain variations of this gene caused the individual to appear to be two years older on average, regardless of age, sex, skin color or damage from sun exposure.
Despite the fact that this gene is one of many factors that influence how old we appear, scientists are convinced that further exploring this discovery will offer relevant clues about both our health and the nature of human aging.
The study has been published in the journal Current Biology.
