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Curcumin (diferuloylmethane), an active ingredient of turmeric, obtained from the powdered rhizomes of Curcuma longa Linn., has been traditionally recognized for treatment of several diseases. To evaluate the potential clinical use of curcumin, we determined the dose dependence of its effects in the therapeutic window and of the neuroprotective efficacy in(More)
Turmeric is a source of numerous aromatic compounds isolated from powdered rhizomes of Curcuma longa Linn. The constituents are present as volatile oil, the Curcuma oil (C.oil), semi-solid oleoresins and non-volatile compounds such as curcumin. A rapidly expanding body of data provides evidence of the anti-cancer action of Curcumin, and most importantly in(More)
Global ischemia was induced in gerbil by bilateral occlusion of the common carotid arteries for 5 min. Sodium ionophore monensin or sodium channel blocker tetrodotoxin (TTX) was administered at doses of 10 micorg/kg, i.p., 30 min before ischemia induction; the dose was repeated after 22 hr. Subsequently, brain infarct occurred, determined at 24 hr after(More)
BACKGROUND Among the naturally occurring compounds, turmeric from the dried rhizome of the plant Curcuma longa has long been used extensively as a condiment and a household remedy all over Southeast Asia. Turmeric contains essential oil, yellow pigments (curcuminoids), starch and oleoresin. The present study was designed for investigating the(More)
The antioxidant activity of C.oil in cerebral stroke has been reported earlier. We have attempted here to clarify the mechanisms underlying the neuroprotection against experimental cerebral ischemia by Curcuma oil (C.oil), isolated from the rhizomes of Curcuma longa. C.oil (250 mg/kg i.p.) was given 30 min before focal ischemia in rats caused by occlusion(More)
The role of free radicals in the pathogenesis of arterial stroke is well documented but not in venous stroke. The aim of the study was to investigate the possible role of free radicals in the pathogenesis of cerebral venous sinus thrombosis (CVST). For inducing CVST in Sprague-Dawley rats, a cranial window was made to expose the superior sagittal sinus(More)
A series of 3-substituted 1,4-benzodiazepin-2-ones derived from S and R amino acids were evaluated for their anti-ischemic activity in vitro. Treatment with compounds 7h, 16, 9d, and 17 decreased the apoptotic neuronal number, however increased the neuronal viability. The compounds decreasing apoptosis could protect neurons from the ischemic injury. The(More)
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