Abstract
Cerebral ischemia causes a strong inflammatory response. Neumentix is a dietary supplement containing 14.9% rosmarinic acid and 29.9% total phenolic content, which has been proved to be beneficial against inflammatory response. Therefore, Neumentix's effect on anti-inflammatory and blood brain barrier (BBB) disruption in transient middle cerebral artery occlusion (tMCAO) model mice is investigated in this study. After the pretreatment of vehicle or Neumentix 134 mg/kg/d, intraperitoneal injection (i.p.) (containing rosmarinic acid 20 mg/kg/d) for 14 days, mice were subjected to tMCAO for 60 min and kept receiving vehicle or Neumentix daily 5 days afterward. Neumentix treatment ameliorated neurobehavioral impairment in the corner test (5d after tMCAO, **P<0.01), reduced infarct volume (#P<0.05), suppressed expression of ionized calciumbinding adapter molecule-1 (Iba-1), tumor necrosis factor alpha (TNF-α) and monocyte chemoattractant protein-1 (MCP-1) (###P<0.001), and improved the integrity of BBB (§P<0.05) at 5 days after tMCAO. The present study provided an evidence of Neumentix's anti-inflammatory and neuroprotection effect against BBB disruption on experimental tMCAO model mice, suggesting that Neumentix could be a potential therapeutic agent for stroke.
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