1. Identifying signs of faster ageing

Identifying signs of faster ageing

A new gene research has identified the signs of faster ageing process.

By: | Published: October 24, 2015 9:16 AM

A new gene research has identified the signs of faster ageing process.

In the University of Exeter research, which has shed light on the molecular changes that occur in our bodies as we age, researchers examined expression of genes in blood samples from 15,000 people across the world.

They found 1,450 genes that are linked to ageing and also uncovered a link between these genes and factors such as diet, smoking and exercise.

Whilst the underlying causes of human ageing are largely unknown, growing old increases the risk of diseases such as cancer, heart disease, and stroke — three of the leading causes of death.

The research team specifically looked for changes in gene expression, a process in which the information contained in genes is ‘expressed’ by reading the DNA sequence and creating RNA, and subsequently proteins. By looking in blood, the researchers aimed to find easy to measure markers of human ageing.

This technique allowed them to develop a new method to predict people’s ‘biological age’ and show that people with a biological age older than their actual age were more likely to have conditions such as high blood pressure or cholesterol.

Researcher Luke Pilling said that this study has discovered many genes that change in their patterns of expression with age. This study has not only given insights into ageing mechanisms — such as mitochondrial function — but these techniques have potential use in prediction and treatment.

The research is published online in Nature Communications.

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