Effect of the High-Intensity Interval Training on BDNF Level in Ischemic Stroke Rat Model on the Recovery of Motor Function

Sri Yani, Salim Harris, Ahmad Aulia Jusuf, Roman Goenarjo, Feda Anisah Makkiyah, Rifqi Sabita, Nurhadi Ibrahim

Research output: Contribution to journalArticlepeer-review

Abstract

BACKGROUND: Stroke is one of the major causes of disability in the world. High-intensity interval training (HIIT) is known as a novel treatment to promote stroke recovery. However, the results differ in their effects on irisin, which is a regulator of brain-delivered neurotrophic factor (BDNF). Therefore, this study was conducted to investigate the effect of HIIT on BDNF and irisin levels in a rat model of ischemic stroke with middle cerebral artery occlusion (MCAO) induction on recovery motor function. METHODS: Rats were categorized into 4 groups: sham, MCAO, MCAO+moderate-intensity interval training (MIIT), and MCAO+HIIT. MCAO induction was performed to create the ischemic stroke rats model. The motor function was assessed through rotarod and footprint tests. Blood samples were obtained 6 days before MCAO and 14 days after MCAO to examine BDNF and irisin levels with enzyme-linked immunosorbent assay (ELISA). Brain tissue samples were collected 14 days after MCAO for histopathological examination of cortical tissue with hematoxylin-eosin (HE) staining. RESULTS: Rats in the MCAO+HIIT group exhibited an enhanced ability to walk on the rotarod (p=0.016). The stride-length hind paw right in the MCAO+HIIT group demonstrated a noteworthy increase in comparison to baseline value (p=0.036), and the stride-length fore paw right showed a significant increase in both the MCAO+HIIT (p=0.036) and MCAO groups (p=0.034). BDNF significantly improved in the MCAO+MIIT (p=0.043) and MCAO+HIIT groups (p=0.018). The irisin level only showed a significant enhancement in the MCAO+HIIT group (p=0.018). CONCLUSION: HIIT increased motor function, while BDNF level increased with HIIT and MIIT intervention. This preclinical research is useful for supporting the recovery of stroke patients by HIIT intervention.

Original languageEnglish
Pages (from-to)152-161
Number of pages10
JournalIndonesian Biomedical Journal
Volume16
Issue number2
DOIs
Publication statusPublished - 2024

Keywords

  • BDNF
  • HIIT
  • irisin
  • ischemic stroke
  • MCAO
  • MIIT

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