ArticleBehavioural brain research2020
Voluntary wheel running during adolescence distinctly alters running output in adulthood in male and female rats.
Article in Behavioural brain research, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- High-resolution metabolic profiling of the effects of early-life stress after peripheral nerve injury.The journal of pain · 2026Article
- Effect of Long-Term Isatin Administration on Daily Physical Activity and Cardiac Performance in Female Rats.The Eurasian journal of medicine · 2025Article
- Exercise mitigates a gut microbiota-mediated reduction in adult hippocampal neurogenesis and associated behaviours in rats.Translational psychiatry · 2024Article
- Low-Dose Δ9-THC Produces Antinociception in Female, But Not Male Rats.Cannabis and cannabinoid research · 2023Article
- Article
- Hippocampal neurogenesis mediates sex-specific effects of social isolation and exercise on fear extinction in adolescence.Neurobiology of stress · 2021Article
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Authors and funding
4 authors.
Funding
Abstract
Adult female rats show greater running output compared with age-matched male rats, and the midbrain dopaminergic system may account for behavioral differences in running output. However, it is unknown if the lower running output in adult males can be regulated by wheel running experience during adolescence, and whether wheel running experience during adolescence will diminish the sex differences in running output during adulthood. We therefore determined and compared the exercise output in adult male and female rats that either had initiated voluntary wheel running only during adulthood or during adolescence. Our results demonstrate that running output in adult males were significantly higher when running was initiated during adolescence, and this higher running output was not significantly different from females. Running output did not differ during adulthood in females when wheel running was initiated during adolescence or during adulthood. Higher running output in females was associated with reduced expression of tyrosine hydroxylase and hyperactivation of calcium/calmodulin-dependent protein kinase II (CaMKII) in the dorsal striatum. Notably, running during adolescence-induced higher exercise output in adult males was associated with hyperactivation of CaMKII in the dorsal striatum, indicating a mechanistic role for CaMKII in running output. Together, the present results indicate sexually dimorphic adaptive biochemical changes in the dorsal striatum in rats that had escalated running activity, and highlight the importance of including sex as a biological variable in exploring neuroplasticity changes that predict enhanced exercise output in a voluntary physical activity paradigm.
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