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Transl Neurosci. 2018 Jun 30;9:33-37. doi: 10.1515/tnsci-2018-0007. eCollection 2018.

Beneficial Effect of β-Elemene Alone and in Combination with Hyperbaric Oxygen in Traumatic Brain Injury by Inflammatory Pathway.

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1
Department of Hyperbric Oxygen, Navy General Hospital, Beijing, 100048, P.R. China.

Abstract

Background:

Present study evaluates the neuroprotective effect of β-elemene alone and in combination with hyperbaric oxygen (HO) in traumatic brain injury (TBI).

Methodology:

TBI was induced by dropping a weight from a specific height. All the animals were separated in to five groups (n=20) like control group; TBI group; β-elemene treated group which receives β-elemene (100 mg/kg, i.p.) half an hour after the injury; HO group which receives hyperbaric oxygen therapy and β-elemene + HO group which receives β-elemene (100 mg/kg, i.p.) half an hour after the injury and hyperbaric oxygen therapy. Neurological function was assessed to evaluate the effect of β-elemene in TBI rats. Thereafter level of inflammatory cytokines and expression of protein of inflammatory pathway was assessed in the brain tissues of TBI rats. In addition TUNEL assay was also done for the determination apoptosis in neuronal cells.

Result:

Data of the report reveals that β-elemene alone and in combination with hyperbaric oxygen (HO) significantly decreases the neurological score Compared to TBI group. Moreover level of inflammatory cytokines and expression of LTR4 and casepase 3 significantly decrease and increase in the expression of IkB in β-elemene alone and in combination with hyperbaric oxygen (HO) treated group compared to TBI group. Data of TUNEL assay also reveals that β-elemene treated group shows significant decrease in the TUNEL positive cells and apoptosis index compared to TBI group.

Conclusion:

Thus present study concludes the neuroprotective effect of β-elemene against TBI and it shows synergistic effect on TBI when treated with HO.

KEYWORDS:

Hyperbaric oxygen; Inflammation pathway; Traumatic brain injury; β-elemene

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