Abstract
Neuroinflammation contributes to the progression of cerebral ischemia/reperfusion (I/R) damage. Scutellarin (SL) is a glucuronide flavonoid that has apoptotic, anti-inflammatory, and anti-tumor properties. It is anti-oxidant and anti-inflammatory mechanism as a neuroprotective against ischemic brain injury is unknown. The purpose of the study was to examine the role and mechanism of SL in preventing I/R damage in a rat model. SL (40 and 80 mg/kg) was given to the rats for 14 days before the ischemic stroke. SL administration prevented I/R mediated brain injury, and neuronal apoptosis. Malondialdehyde, superoxide dismutase, glutathione, IL-6, and IL-1β and nitric oxide were modulated by SL. SL suppressed the p65 and p38 expressions in particular. The findings show that SL protects rats from cerebral damage caused by I/R through the nuclear factor kappa-B p65 and p38 mitogen-activated protein kinase signaling pathway. Thus, SL protected the brain of rats from ischemic injury by inhibiting the inflammatory process.
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