The limited heritability of human lifespans suggests an important role for gene-environment (GxE) interactions across the lifespan (T), from gametes to geronts. Multi-level GxExT interactions of aging phenotypes are conceptualized in the Gero-Exposome as Exogenous and Endogenous domains. Stochastic variations in the Endogenous domain contribute to the diversity of aging phenotypes, shown for the diversity of inbred Caenorhabditis elegans lifespans in the same culture environment, and for variegated gene expression of somatic cells in nematodes and mammals. These phenotypic complexities can be analyzed as three-way interactions of gene, environment, and stochastic variations, the Tripartite Phenotype of Aging. Single cell analyses provide tools to explore this broadening frontier of biogerontology.
Gene-Environment interactions and stochastic variations in the Gero-Exposome.
Published 2021 in The journals of gerontology. Series A, Biological sciences and medical sciences
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- Publication year
2021
- Venue
The journals of gerontology. Series A, Biological sciences and medical sciences
- Publication date
2021-02-13
- Fields of study
Biology, Medicine, Environmental Science
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- External record
- Source metadata
Semantic Scholar, PubMed
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