Abstract：
:Lavender belongs to the family Labiatae and has a variety of cosmetic uses as well as therapeutic purposes in herbal medicine. The present study was conducted to evaluate the protective effect of lavender oil against brain edema and its possible mechanisms in an experimental model of stroke. Under Laser-Doppler Flowmetry, focal cerebral ischemia was induced by the transient occlusion of the middle cerebral artery for 1h in rats. Lavender oil (100, 200, and 400 mg/kg ip (and/or vehicle was injected at the onset of ischemia. Infarct size, cerebral edema, functional outcome, and oxidative stress biomarkers were evaluated using standard methods. Western blotting was used to determine the protein expression of VEGF, Bax, and Bcl-2. Treatment with lavender oil at doses of 200 and 400 mg/kg significantly diminished infarct size, brain edema, and improved functional outcome after cerebral ischemia (P<0.001). Lavender oil (200 mg/kg) also reduced the content of malondialdehyde and increased the activities of superoxide dismutase, glutathione peroxidase, and total antioxidant capacity (P<0.001). Although lavender oil enhanced VEGF expression (P=0.026), it could not decrease the Bax-to-Bcl-2 ratio (pro- to anti-apoptotic proteins) in the rat brain (P>0.05). The results indicated that lavender oil has neuroprotective activity against cerebral ischemia and alleviated neurological function in rats, and the mechanism may be related to augmentation in endogenous antioxidant defense, inhibiting oxidative stress, and increasing VEGF expression in the rat brain. However, lavender oil could not suppress the apoptosis pathway.
journal_name
Brain Resjournal_title
Brain researchauthors
Vakili A,Sharifat S,Akhavan MM,Bandegi ARdoi
10.1016/j.brainres.2013.12.019subject
Has Abstractpub_date
2014-02-22 00:00:00pages
56-62eissn
0006-8993issn
1872-6240pii
S0006-8993(13)01590-4journal_volume
1548pub_type
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