Total flavonoid of Litsea coreana leve exerts anti-oxidative effects and alleviates focal cerebral ischemia/reperfusion injury.

Abstract:

:In this study, we hypothesized that total flavonoid of Litsea coreana leve (TFLC) protects against focal cerebral ischemia/reperfusion injury. TFLC (25, 50, 100 mg/kg) was administered orally to a rat model of focal ischemia/reperfusion injury, while the free radical scavenging agent, edaravone, was used as a positive control drug. Results of neurological deficit scoring, 2,3,5-triphenyl tetrazolium chloride staining, hematoxylin-eosin staining and biochemical tests showed that TFLC at different doses significantly alleviated cerebral ischemia-induced neurological deficits and histopathological changes, and reduced infarct volume. Moreover, it suppressed the increase in the levels of nitrates plus nitrites, malondialdehyde and lactate dehydrogenase, and it diminished the reduction in gluta-thione, superoxide dismutase and catalase activities induced by cerebral ischemia/reperfusion in-jury. Compared with edaravone, the protective effects of TFLC at low and medium doses (25, 50 mg/kg) against cerebral ischemia/reperfusion injury were weaker, while the protective effects at high dose (100 mg/kg) were similar. Our experimental findings suggest that TFLC exerts neuroprotective effects against focal cerebral ischemia/reperfusion injury in rats, and that the effects may be asso-ciated with its antioxidant activities.

journal_name

Neural Regen Res

authors

Dong S,Tong X,Li J,Huang C,Hu C,Jiao H,Gu Y

doi

10.3969/j.issn.1673-5374.2013.34.003

subject

Has Abstract

pub_date

2013-12-05 00:00:00

pages

3193-202

issue

34

eissn

1673-5374

issn

1876-7958

pii

NRR-8-3193

journal_volume

8

pub_type

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