Subscribe to the BioNews newsletter for free

Advanced Search

Search for

Like the Progress Educational Trust on Facebook




Protective pieces of DNA at the ends of chromosomes, which shorten every time a cell divides and copies its genetic information.

Articles using this Glossary Item


Gene conferring long-life identified in US Amish community

20 November 2017 - by Charlott Repschlager

A rare genetic mutation leading to longer and healthier lives has been discovered in the US Amish community... [Read More]

Little exercise and sedentary lifestyle ages DNA

23 January 2017 - by Matthew Thomas

Older women who take little exercise and live a more sedentary lifestyle have disproportionately older DNA, researchers have found... [Read More]

Mitochondrial and nuclear DNA mismatch may impact ageing

11 July 2016 - by Dr Julia Hill

The interaction between mitochondrial and nuclear DNA may have implications for health, metabolism and ageing, according to a new study... [Read More]

Living in a high-crime area ages your cells

29 June 2015 - by Isobel Steer

Residents of noisy and high-crime neighbourhoods are over a decade older biologically compared with those who live in low-crime areas, according to recent research... [Read More]

Human cells have their clock put back

09 February 2015 - by Chris Baldacci

Scientists have developed a technique to lengthen telomeres - the 'caps' on the end of chromosomes that protect DNA - in human cells in the lab, increasing the cells' lifespan... [Read More]

Mediterranean diet protects against DNA ageing

08 December 2014 - by Dr Nicoletta Charolidi

Women who consume a Mediterranean-style diet are less likely to show evidence of 'cellular ageing' and therefore more likely to live longer, say US researchers... [Read More]

Sugar rush: cell ageing sped up by fizzy pop

20 October 2014 - by Arit Udoh

Fizzy drinks may accelerate cell ageing in a manner comparable to the effects of smoking, according to research... [Read More]

Holding back the telomeres: stand up for healthier DNA

08 September 2014 - by Dr Rachael Panizzo

Spending more time on your feet may protect DNA from 'cellular ageing' and extend life, a small Swedish study has found... [Read More]

Violence at home can 'scar' children's DNA

23 June 2014 - by Dr Linda Wijlaars

Family disruption such as domestic violence can shorten telomeres, the caps on the end of chromosomes, a study from Tulane University, US, has found... [Read More]

Tests on world's oldest woman reveal 'stem cell exhaustion' and hundreds of genetic mutations

28 April 2014 - by James Brooks

Blood tests of a woman who lived to 115 have revealed that when she died the majority of the white blood cells in her body originated from just two stem cells... [Read More]

DNA ages faster in disadvantaged boys

14 April 2014 - by Chris Baldacci

Children from poor backgrounds who have an unstable family life have shorter telomeres - the tips of chromosomes that prevent damage - according to a small study... [Read More]

Event Review: End to End - Telomeres and Ageing

25 November 2013 - by Jamie Rickman

The 2013 Schrödinger Lecture at Imperial College London was delivered by Dr Elizabeth Blackburn, an Australian-American biologist based in California... [Read More]

Unemployment may speed biological ageing in men

25 November 2013 - by Chris Baldacci

Men who are unemployed for more than two years show genetic ageing at an accelerated rate... [Read More]

Depression may speed up DNA ageing

18 November 2013 - by María Victoria Rivas Llanos

Severe depression speeds up the ageing process of our cells, researchers have found... [Read More]

Can a healthy lifestyle really 'reverse cellular ageing'?

23 September 2013 - by Dr Jess Buxton

A US study proclaiming the health benefits of stress management, gentle exercise and a 'plant-based' diet grabbed the attention of the world's media last week, but what was novel about the findings, and are the life-extending claims justified?... [Read More]

Healthy lifestyle 'reverses' DNA ageing

23 September 2013 - by Dr Rachael Panizzo

Switching to a healthier lifestyle may reverse the signs of ageing at the genetic level in men with low-risk prostate cancer, a small study has found.... [Read More]

TV Review: Dara O'Briain's Science Club - Adventures in Time

27 August 2013 - by Dr Amina Aitsi-Selmi

Dara O'Briain's Science Club explores time from many different angles, looking at diverse areas from aerodynamic engineering to tissue engineering... [Read More]

Ageing genes may affect cancer and heart risk

08 April 2013 - by Dr Greg Ball

Genes that influence the so-called 'biological age' of cells may also influence susceptibility to many age-related diseases... [Read More]

Cell ageing slowed by HRT, but only for Alzheimer's risk gene carriers

18 February 2013 - by Michelle Downes

Hormone replacement therapy, used to treat the symptoms of menopause, may play a role in slowing the ageing process in women who carry a certain gene variant, claim scientists... [Read More]

Quadruple DNA helix found in human cells

28 January 2013 - by Dr Zara Mahmoud

Scientists have for the first time shown the existence of a new structural form of DNA, called G-quadruplex DNA, in human cells.... [Read More]


Events using this Glossary Item

No Events for this area at the moment.

Published by the Progress Educational Trust


Public Conference
8 December 2017

Speakers include

Professor Azim Surani

Professor Magdalena Zernicka-Goetz

Professor Robin Lovell-Badge

Sally Cheshire

Professor Guido Pennings

Katherine Littler

Professor Allan Pacey

Dr Sue Avery

Professor Richard Anderson

Dr Elizabeth Garner

Dr Andy Greenfield

Dr Anna Smajdor

Dr Henry Malter

Vivienne Parry

Dr Helen O'Neill

Dr César Palacios-González

Philippa Taylor

Fiona Fox

Sarah Norcross

Sandy Starr


Good Fundraising Code

Become a Friend of PET HERE and give the Progress Educational Trust a regular donation