Dependence of rat hippocampal c-Fos expression on intensity and duration of exercise

Taeck Hyun Lee, Mi Hyeon Jang, Min Chul Shin, Baek Vin Lim, Young Pyo Kim, Hong Kim, Hyun Hee Choi, Kwang Sik Lee, Ee Hwa Kim, Chang Ju Kim

Research output: Contribution to journalArticlepeer-review

40 Scopus citations

Abstract

The expression of c-Fos, an immediately early gene, is a marker of neural activity. In the present study, the effect of treadmill exercise on c-Fos expression was investigated in various regions of the rat hippocampus via immunohistochemistry. The first part of the experiment was aimed at determining the dependence of c-Fos expression on the intensity of treadmill exercise. In most of the hippocampal regions studied, increasing c-Fos expression was observed with increasing exercise intensity. In the second part of the experiment, the dependence of c-Fos expression on the duration of treadmill exercise was investigated. The c-Fos expression induced by mild-intensity exercise increased until the 7th day of exercise and subsequently decreased. Results of the present study suggest that the effect of treadmill exercise on neuronal activity in the hippocampus is intensity-and duration-dependent.

Original languageEnglish (US)
Pages (from-to)1421-1436
Number of pages16
JournalLife Sciences
Volume72
Issue number12
DOIs
StatePublished - Feb 7 2003

Keywords

  • Exercise duration
  • Exercise intensity
  • Immunohistochemistry
  • Treadmill exercise
  • c-Fos

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Pharmacology, Toxicology and Pharmaceutics(all)

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