Brain energy stores in C57BL/6 mice after C. parvum injection

Wen Sheng, Jyh Cherng Lin, Fred Apple, Shuxian Hu, Phillip K. Peterson, Chun C. Chao

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

ACTIVATION of the immune system has been associated with the development of fatigue of unknown cause. We were interested in brain energy stores (e.g., phosphocreatine (PCr) and creatine kinase) after immune activation to investigate whether this system was altered. In this model, fatigue (defined as > 50% reduction in spontaneous running) was induced in C57BL/6 mice after a single injection of Corynebacterium parvum antigen. Maximal fatigue (about 86% reduction on day 10 post injection) was associated with reduced (about 29%) brain PCr/γ-ATP and increased creatine kinase levels (~31%), suggesting an active process of brain ATP depletion and replenishment. These findings need to be further delineated to establish the relationship between immune activation, reduced brain energy pools and fatigue.

Original languageEnglish (US)
Pages (from-to)177-181
Number of pages5
JournalNeuroreport
Volume10
Issue number1
DOIs
StatePublished - Jan 18 1999

Keywords

  • ATP
  • Fatigue
  • Immune activation
  • Nuclear magnetic resonance spectroscopy
  • Phosphocreatine

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