Intense exercise promotes adult hippocampal neurogenesis but not spatial discrimination

Ji H. So, Chao Huang, Minyan Ge, Guangyao Cai, Lanqiu Zhang, Yisheng Lu, Yangling Mu

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

Hippocampal neurogenesis persists throughout adult life and plays an important role in learning and memory. Although the influence of physical exercise on neurogenesis has been intensively studied, there is controversy in regard to how the impact of exercise may vary with its regime. Less is known about how distinct exercise paradigms may differentially affect the learning behavior. Here we found that, chronic moderate treadmill running led to an increase of cell proliferation, survival, neuronal differentiation, and migration. In contrast, intense running only promoted neuronal differentiation and migration, which was accompanied with lower expressions of vascular endothelial growth factor, brain-derived neurotrophic factor, insulin-like growth factor 1, and erythropoietin. In addition, the intensely but not mildly exercised animals exhibited a lower mitochondrial activity in the dentate gyrus. Correspondingly, neurogenesis induced by moderate but not intense exercise was sufficient to improve the animal’s ability in spatial pattern separation. Our data indicate that the effect of exercise on spatial learning is intensity-dependent and may involve mechanisms other than a simple increase in the number of new neurons.

Original languageEnglish (US)
Article number13
JournalFrontiers in Cellular Neuroscience
Volume11
DOIs
StatePublished - Jan 31 2017

Fingerprint

Neurogenesis
Running
Learning
Brain-Derived Neurotrophic Factor
Dentate Gyrus
Somatomedins
Erythropoietin
Vascular Endothelial Growth Factor A
Cell Survival
Cell Proliferation
Exercise
Neurons
Discrimination (Psychology)

Keywords

  • Erythropoietin
  • Hippocampus
  • Neurotrophic factors
  • Pattern separation
  • Prohibitin

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience

Cite this

Intense exercise promotes adult hippocampal neurogenesis but not spatial discrimination. / So, Ji H.; Huang, Chao; Ge, Minyan; Cai, Guangyao; Zhang, Lanqiu; Lu, Yisheng; Mu, Yangling.

In: Frontiers in Cellular Neuroscience, Vol. 11, 13, 31.01.2017.

Research output: Contribution to journalArticle

So, Ji H. ; Huang, Chao ; Ge, Minyan ; Cai, Guangyao ; Zhang, Lanqiu ; Lu, Yisheng ; Mu, Yangling. / Intense exercise promotes adult hippocampal neurogenesis but not spatial discrimination. In: Frontiers in Cellular Neuroscience. 2017 ; Vol. 11.
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