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Our society has never aged more rapidly; one of the most visible symptoms of our changing demographics is an exponential increase in the incidence of age-related diseases, including cancer, cardiovascular diseases and osteoarthritis.

Not only does aging have a negative effect on the quality of life among the elderly, it causes a significant financial strain on both private and public sectors. As the proportion of older people increases,Β so does health care spending.

According to a WHO analysis, the annual number of new cancer cases is projected to rise to 17 million by 2020 and reach 27 million by 2030. Similar trends are clearly visible in other age-related diseases, such as cardiovascular disease. Few effective treatments that address these challenges are currently available, and most of them focus on a single disease rather than adopting a more holistic approach to aging.

Recently, a new approach that has the potential to significantly alleviate these problems has been validated by a number of in vivo and in vitro studies. It has been demonstrated that senescent cells (cells that have ceased to replicate due to stress or replicative capacity exhaustion) are linked to many age-related diseases. Furthermore, removing senescent cells from mice has been recently shown to drastically increase mouse healthspan (the period of life free from serious diseases).

Here at CellAge, we are working hard to help translate these findings into humans!

CellAge, together with a leading synthetic biology partner, Synpromics, is poised to develop a technology allowing for the identification and removal of harmful senescent cells. Our breakthrough technology will benefit both the scientific community and the general public.

In short, CellAge is going to develop synthetic promoters that are specific to senescent cells, as promoters that are currently being used to track senescent cells are simply not good enough to be used in therapies. The most prominently used p16 gene promoter has a number of limitations, for example.

First, it is involved in cell cycle regulation, which poses a danger in targeting cells that are not dividing but not senescent either, such as quiescent stem cells.

Second, organism-wide administration of gene therapy might, at present, be too dangerous. This means that only senescent cells in specific organs might need to be targeted, and the p16 promoter does not provide this level of specificity.

Third, the p16 promoter is not active in all senescent cells. Thus, after therapies utilizing this promoter, a proportion of senescent cells would still remain. Moreover, the p16 promoter is relatively large (2.1kb), making it difficult to incorporate into current gene therapy vehicles.

Finally, the p16 promoter might not be strong enough to achieve the intended therapeutic effect.

CellAge will be constructing a synthetic promoter that has the potential to overcome all of these limitations. A number of gene therapy companies, including uniQure, AGTC, and Avalanche Biotech, have successfully targeted other types of cells using this technology. With your help, we will be able to use the same technology to develop tools and therapies for accurate senescent cell targeting.


About the author

Steve Hill

Steve serves on the LEAF Board of Directors and is the Editor in Chief, coordinating the daily news articles and social media content of the organization. He is an active journalist in the aging research and biotechnology field and has to date written over 600 articles on the topic, interviewed over 100 of the leading researchers in the field, hosted livestream events focused on aging, as well as attending various medical industry conferences. His work has been featured in H+ magazine, Psychology Today, Singularity Weblog, Standpoint Magazine, Swiss Monthly, Keep me Prime, and New Economy Magazine. Steve is one of three recipients of the 2020 H+ Innovator Award and shares this honour with Mirko Ranieri – Google AR and Dinorah Delfin – Immortalists Magazine. The H+ Innovator Award looks into our community and acknowledges ideas and projects that encourage social change, achieve scientific accomplishments, technological advances, philosophical and intellectual visions, author unique narratives, build fascinating artistic ventures, and develop products that bridge gaps and help us to achieve transhumanist goals. Steve has a background in project management and administration which has helped him to build a united team for effective fundraising and content creation, while his additional knowledge of biology and statistical data analysis allows him to carefully assess and coordinate the scientific groups involved in the project.
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