Maternal Obesity Decreases Offspring Lifespan

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Abstract
Data in mice, nonhuman primates, and in humans demonstrate that exposure to maternal obesity increases the risk of multiple diseases in offspring. However, little is known about the aging effects of maternal obesity on the offspring. This study shows that maternal obesity significantly reduced the lifespan of both male and female mice born to obese dams despite being weaned onto a healthy diet at three weeks of age. This reduction in longevity was linked to an increase in age-related fibrotic pathology across multiple organs, e.g., liver, heart, and kidney. Gompertz analysis of the lifespan data showed that maternal obesity offspring have reduced lifespan due to detrimental changes established early during development rather than factors that modify aging later-in-life. These findings are translationally significant as they demonstrate that the growing prevalence of MO may lead to a decrease in overall lifespan and increase in age-related diseases in the next generation.
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Funding Information
  • National Institute of General Medical Sciences (P20GM125528)
  • National Institute of Childhood Health and Human Development (R01DK117418)
  • Harold Hamm Diabetes Center, OU Health (Team Science Pilot grant)

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