What Is A Telomere
What is a Telomere?

Telomere (tel-uh-meer) from the Greek telos (end) and meros (part)

Telomeres are an essential part of human cells that affect how our cells age.1,2

Telomeres are the caps at the end of each strand of DNA that protect our chromosomes, like the plastic tips at the end of shoelaces.3

Without the coating, shoelaces become frayed until they can no longer do their job, just as without telomeres, DNA strands become damaged and our cells can’t do their job.3

Telomere Biology Gene

Telomeres protect the vital information in our DNA4

Telomere Biology

DNA makes up all of the cells in our body. It is the genetic material that makes us who we are. And every organ in our body (skin, liver, heart, etc.) is made up of cells. So, telomeres are vital to our health.

Our cells replenish by copying themselves. This happens constantly throughout our lives. Telomeres get shorter each time a cell copies itself, but the important DNA stays intact.4

Eventually, telomeres get too short to do their job, causing our cells to age and stop functioning properly.3,4,5 Therefore, telomeres act as the aging clock in every cell.

Telomeres are shortened as we age, but telomeres can also be shortened by stress, smoking, obesity, lack of exercise and a poor diet 3,4,6,7

Short telomeres are connected to premature cellular aging.3,8

Telomere shortening is involved in all aspects of the aging process on a cellular level. Telomere length represents our biological age as opposed to our chronological age.

Many scientific studies have shown a strong connection between short telomeres and cellular aging.8

For example, the immune system, which normally weakens as we age, is highly sensitive to shortening of telomeres.9 In addition, a 2007 study found that short telomeres were associated with decreases in bone mineral density in women.10

Without the protection from telomeres, our cells age and die

Scientists know a lot about telomeres, and they continue to find new evidence about the role telomeres play in the aging process on a cellular level8

Background

The fact that telomeres protect our DNA was first observed in the 1930s.6

Scientists made the link between telomeres and cellular aging nearly 30 years ago.6

Research studies

In 2009, the Nobel Prize for Physiology/Medicine was awarded to three scientists who discovered how an enzyme called telomerase impacts telomere length.

A 2010 study from Harvard Medical School showed telomere shortening to be a root cause of cellular aging.1

Today & tomorrow

There are more than 10,000 scientific articles published about telomeres.

An ever increasing number of scientists continue to study telomeres and the benefits of stopping or possibly reversing the telomere shortening that happens as we age.

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