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LonGenity and Longevity Genes Project

July 31st, 2015 8:44 pm

The LonGenity research study builds upon the Longevity Genes Project, initiated in 1998 at the Albert Einstein College of Medicine by Dr. Nir Barzilai. Dr. Barzilai's early observations of the phenotypes of healthy, vital centenarians led him to ask a series of questions. The project'sprimary focus questioned why some people enjoy extremely long life spans, with physical health and brain function far better than expected in the 9th and 10th decades of life.

In 2006 Dr. Barzilai and his team increased their efforts to conduct a large program, "Roles of genes in exceptional longevity in humans" (LonGenity), funded by the National institute of Aging.

In the LonGenity program, genetic analysis (GWAS and candidate gene approach) is performed in an already established cohort (centenarians, their offspring, and age-match unrelated control to these offspring), and genetic findings are validated in a newly established cohort of offspring of parents with exceptional longevity (OPEL) vs. offspring of parents with usual survival (OPUS).

Over the pastten years Dr. Barzilai's team has assembled and characterized families with exceptional longevity and have identified several biological markers that may explain their longevity. Their hypothesis is that unique genotypes and phenotypes protect against age-related diseases (Figure 1). In order to comply with the steps to prove the causality suggested by the figure 1, novel genetic, epidemiologic, and statistical approaches are used to identify genetic markers in subjects with exceptional longevity, and test the impact of these markers on biological measurements and clinical out comes.The long-term objectives are to identify genes that contribute to exceptional longevity in humans, and assess associations among these genes with age-related diseases and longevity.

The LonGenity research study aims:

To date, a unique cohort of over 500 proband with exceptional longevity (~100 y/o), over 700 of their offspring (ages 60-85), and over 600 unrelated subjects ages 60-95 have been assembled and characterized.

Findings

Results of the research to date have been encouraging and enthusiastically received by the medical research community. Among the findings, the team has learned that longevity is:

Additionally,they have learned that:

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LonGenity and Longevity Genes Project

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