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Maternal Exercise and Paternal Exercise Induce Distinct Metabolite Signatures in Offspring Tissues.

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Summary
This summary is machine-generated.

Parental exercise significantly improves offspring metabolic health by altering tissue and serum metabolites. Combined maternal and paternal exercise shows additive benefits, enhancing fatty acid oxidation and offering potential therapeutic targets for metabolic diseases.

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Area of Science:

  • Metabolic health
  • Exercise physiology
  • Maternal and paternal effects on offspring metabolism

Background:

  • Parental exercise is known to benefit adult offspring metabolic health.
  • The impact of parental exercise on offspring tissue and serum metabolites remains uninvestigated.
  • Metabolites are crucial for organismal health and metabolic regulation.

Purpose of the Study:

  • To investigate the effects of maternal exercise (MatEx), paternal exercise (PatEx), and combined maternal and paternal exercise (Mat+PatEx) on offspring tissue and serum metabolites.
  • To identify specific metabolic adaptations and mechanisms underlying parental exercise-induced improvements in offspring metabolic health.
  • To explore the potential for developing novel therapeutic targets for metabolic diseases based on these findings.

Main Methods:

  • Male and female breeders were fed a high-fat diet and exposed to running wheels (males before breeding; females before and during gestation).
  • Offspring were maintained as sedentary and fed chow, categorized by parental exercise status: sedentary (Sed), MatEx, PatEx, or Mat+PatEx.
  • Targeted metabolomics analysis was performed on offspring serum, liver, and triceps muscle.

Main Results:

  • All parental exercise groups showed improved offspring glucose tolerance and hepatic glucose production compared to sedentary controls.
  • Each parental exercise group (MatEx, PatEx, Mat+PatEx) exhibited a unique tissue metabolite signature in offspring.
  • Combined Mat+PatEx demonstrated an additive effect on specific liver and muscle metabolites, suggesting synergistic benefits.
  • Altered metabolites predominantly indicated enhanced fatty acid oxidation in offspring from exercise groups.

Conclusions:

  • Parental exercise induces distinct, tissue-specific metabolic adaptations in offspring.
  • Combined maternal and paternal exercise confers additive metabolic benefits, enhancing fatty acid oxidation.
  • These findings provide insights into mechanisms of intergenerational metabolic health and potential therapeutic strategies for metabolic disorders.