Add abstract and image for UM-HET3 paper
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New UMHET3 and aging portal! This is initial work for providing a full community webservice for aging.
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-To view the preprint, see:
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+- [https://doi.org/10.1101/2025.04.27.649857](https://doi.org/10.1101/2025.04.27.649857).
**Genetic Modulation of Lifespan: Dynamic Effects, Sex Differences, and Body Weight Trade-offs**
-- [https://doi.org/10.1101/2025.04.27.649857](https://doi.org/10.1101/2025.04.27.649857).
+> **Abstract**: The dynamics of lifespan are shaped by DNA variants that exert effects at different ages. We have mapped genetic loci that modulate age-specific mortality using an actuarial approach. We started with an initial population of 6,438 pubescent siblings and ended with a survivorship of 559 mice that lived to at least 1100 days. Twenty-nine Vita loci dynamically modulate the mean lifespan of survivorships with strong age- and sex-specific effects. Fourteen have relatively steady effects on mortality while other loci act forcefully only early or late in life and with polarities of effects that invert. A distinct set of 19 Soma loci shape the negative correlation between weights of young adults with their life expectancies—much more strongly so in males than females. Another set of 11 Soma loci shape the positive correlation between weights at older ages with life expectancies. The Vita and Soma loci share 289 age-dependent epistatic interactions (LODs ≥3.8) but fewer than 4% are common to both sexes. [More...](https://doi.org/10.1101/2025.04.27.649857).
-Data files are available [here](https://files.genenetwork.org/current/umhet3_2025/).
+We provide two examples of how to move from maps toward potential mechanisms. Our findings provide an empirical bridge between evolutionary theories on aging and genetic and molecular causes. These loci and their interactions are key to begin to understand the impact of interventions that may extend healthy lifespan in mice and even in humans.
-Code is available on
+
-- [https://github.com/DannyArends/UM-HET3/](https://github.com/DannyArends/UM-HET3/)
+- Data files are available [here](https://files.genenetwork.org/current/umhet3_2025/).
+- Code is available at [https://github.com/DannyArends/UM-HET3/](https://github.com/DannyArends/UM-HET3/)
-See also [GeneNetwork examples](https://aging.genenetwork.org/).
+See also GeneNetwork.org [examples on aging](https://aging.genenetwork.org/).
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