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Intermittent fasting and caloric restriction interact with genetics to shape physiological health in mice

Guozhu Zhang, Andrew Deighan, Anil Raj, Laura Robinson, Hannah J. Donato, Gaven Garland, Mackenzie Leland, Baby Martin-McNulty, Ganesh A. Kolumam, Johannes Riegler, Adam Freund, Kevin M. Wright, Gary Churchill
doi: https://doi.org/10.1101/2021.04.02.438251
Guozhu Zhang
*Calico Life Sciences LLC, South San Francisco, California
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Andrew Deighan
†The Jackson Laboratory, Bar Harbor, Maine
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Anil Raj
*Calico Life Sciences LLC, South San Francisco, California
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Laura Robinson
†The Jackson Laboratory, Bar Harbor, Maine
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Hannah J. Donato
†The Jackson Laboratory, Bar Harbor, Maine
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Gaven Garland
†The Jackson Laboratory, Bar Harbor, Maine
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Mackenzie Leland
†The Jackson Laboratory, Bar Harbor, Maine
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Baby Martin-McNulty
*Calico Life Sciences LLC, South San Francisco, California
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Ganesh A. Kolumam
*Calico Life Sciences LLC, South San Francisco, California
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Johannes Riegler
*Calico Life Sciences LLC, South San Francisco, California
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Adam Freund
*Calico Life Sciences LLC, South San Francisco, California
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Kevin M. Wright
*Calico Life Sciences LLC, South San Francisco, California
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  • For correspondence: wright@calicolabs.com
Gary Churchill
†The Jackson Laboratory, Bar Harbor, Maine
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  • For correspondence: gary.churchill@jax.org
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Abstract

Dietary interventions can dramatically affect physiological health and organismal lifespan. The degree to which organismal health is improved depends upon genotype and the severity of dietary intervention, but neither the effects of these factors, nor their interaction, have been quantified in an outbred population. Moreover, it is not well understood what physiological changes occur shortly after dietary change and how these may affect the health of early adulthood population. In this article, we investigated the effect of six month exposure of either caloric restriction or intermittent fasting on a broad range of physiological traits in 960 one year old Diversity Outbred mice. We found caloric restriction and intermittent fasting affected distinct aspects of physiology and neither the magnitude nor the direction (beneficial or detrimental) of effects were concordant with the severity of the intervention. In addition to the effects of diet, genetic variation significantly affected 31 of 36 traits (heritabilties ranged from 0.04-0.65). We observed significant covariation between many traits that was due to both diet and genetics and quantified these effects with phenotypic and genetic correlations. We genetically mapped 16 diet-independent and 2 diet-dependent significant quantitative trait loci, both of which were associated with cardiac physiology. Collectively, these results demonstrate the degree to which diet and genetics interact to shape the physiological health of early adult-hood mice following six months of dietary intervention.

Competing Interest Statement

The authors have declared no competing interest.

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The copyright holder for this preprint is the author/funder, who has granted bioRxiv a license to display the preprint in perpetuity. It is made available under a CC-BY-NC-ND 4.0 International license.
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Posted April 03, 2021.
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Intermittent fasting and caloric restriction interact with genetics to shape physiological health in mice
Guozhu Zhang, Andrew Deighan, Anil Raj, Laura Robinson, Hannah J. Donato, Gaven Garland, Mackenzie Leland, Baby Martin-McNulty, Ganesh A. Kolumam, Johannes Riegler, Adam Freund, Kevin M. Wright, Gary Churchill
bioRxiv 2021.04.02.438251; doi: https://doi.org/10.1101/2021.04.02.438251
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Intermittent fasting and caloric restriction interact with genetics to shape physiological health in mice
Guozhu Zhang, Andrew Deighan, Anil Raj, Laura Robinson, Hannah J. Donato, Gaven Garland, Mackenzie Leland, Baby Martin-McNulty, Ganesh A. Kolumam, Johannes Riegler, Adam Freund, Kevin M. Wright, Gary Churchill
bioRxiv 2021.04.02.438251; doi: https://doi.org/10.1101/2021.04.02.438251

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