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Reverse Aging 101: Shocking Breakthroughs of Science and Future Possibilities

by Maria Niña Cuasay
in Living, Wellness
Reading Time: 3 mins read
reverse aging of a man

Photo by Getty Images

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Reverse aging is the process of bringing back to a deteriorating body the biological abilities and traits usually associated with youth.

Even though aging is a natural phenomenon that happens to all living things, scientists have long been baffled by it. Significant advances in aging research have been made by Dr. David Sinclair and his colleagues at the Paul F. Glenn Center for Biology of Aging Research at Harvard Medical School. Their research, which was published in the journal Cell, exposes the ground-breaking aging clock that can accelerate or reverse the aging of cells, pointing to a time when aging may be treated in the same way as other medical conditions.

Reverse Aging Studies: The Epigenome as a Cause of Aging

As many scientists think that DNA mutations are the main cause of aging, there has been much discussion on what causes the senescence process in cells. The fact that older people’s cells are frequently free of mutations and that animals or people with higher burdens of mutant cells didn’t appear to age prematurely refutes this idea. Dr. Sinclair and his team concentrated on the epigenome, a distinct portion of the genome that gives various cells instructions on which genes to activate and which to keep silent.

Reverse Aging by Rebooting Epigenetic Changes

Differentiation is the process through which epigenetic instructions result in cells with various physical shapes and capabilities. Sinclair and his team state in the Cell study that they can not only age mice more quickly but also undo the effects of that aging and return several biological markers of youth to the animals. Its reversibility provides compelling evidence that the primary causes of aging aren’t DNA mutations but rather errors in the epigenetic instructions that for some reason go astray.

Turning Back The Clock in Mice by 57% With Gene Therapy 

In a gene therapy procedure, three genes that direct cells to rewire themselves were used to restart aging. In the case of the mice, the instructions directed the cells to restart the epigenetic transformations that determined their identity as, for instance, kidney and skin cells, two cell types that are vulnerable to aging. A 57% time-regression using three of the four parameters was sufficient to restore youth to the mice. The team hasn’t yet discovered a cell type that they can’t age ahead and backward, according to Sinclair.

Testing the System in Humans

After successfully regenerating cells in mice, Sinclair’s team has been working on creating a system that make reverse aging possible in people. Sinclair’s team is currently testing the technology in non-human primates with a biological switch added to turn the clock on and off in order to test the procedure in humans. The antibiotic doxycycline is linked to the activation of the reprogramming genes, giving researchers the ability to initiate and terminate the reversal process. Sinclair thinks that eye illnesses will be the first ailment to be addressed with this age reversal therapy. His team is testing the technique using human neurons, skin, and fibroblast cells.

Future of Reverse Aging Research 

These findings have broad ramifications and may inspire ground-breaking therapies for disorders associated with aging. Life expectancy might be significantly increased by stopping the aging process, enabling people to live longer, healthier lives. Although there are still many questions and potential concerns about reverse aging, the advancement in research is a big step in the right direction. Dr. Sinclair’s study is still progressing, therefore we might be even closer to reverse aging than we think.

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