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Mar 31, 2023

Study finds centenarians possess unique immunity that helps them achieve exceptional longevity

Posted by in categories: biotech/medical, life extension, policy

There are approximately 30 trillion cells in a human body and our health is predicated on them properly interacting with and supporting each other, with the immune system playing a particularly pivotal role. One of the defining characteristics of aging is a decline in the proper functioning of our immune system. Centenarians, a rare population of individuals who reach 100 years or more, experience delays in aging-related diseases and mortality which suggests their immune systems remain functional into extreme old age.

Led by researchers from Boston University Chobanian & Avedisian School of Medicine and Tufts Medical Center, a new study finds harbor distinct immune cell type composition and activity and possess highly functional immune systems that have successfully adapted to a history of sickness allowing for exceptional longevity. These may help identify important mechanisms to recover from disease and promote longevity.

“Our data support the hypothesis that centenarians have protective factors that enable to recover from disease and reach extreme old ages,” said lead author Tanya Karagiannis, Ph.D., senior bioinformatician, Center for Quantitative Methods and Data Science, Institute for Clinical Research and Health Policy Studies at Tufts Medical Center.

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