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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)
Hypometabolic state following hypothermia is known to protect tissues from ischemic injury. Hypothyroidism produces a hypometabolic state. The present study was undertaken to investigate the protective effects of hypothyroidism following cerebral ischemia and to ascertain the underlying mechanism. Euthyroid (E) and hypothyroid (H) animals were exposed to a(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)
A single bolus dose of scopolamine (1.0 mg/kg) or saline (equal volume) was injected (i.p.) at 15, 30 or 60 min after fluid percussion traumatic brain injury in the rat. Scopolamine administered at 15 min postinjury significantly reduced beam walking deficits and body weight loss assessed for 5 days after injury. Scopolamine treatment at 30 or 60 min(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 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)
To develop a simple experimental model for cerebral venous sinus thrombosis in rat, 24 male Sprague-Dawley rats (14 experimental and 10 controls) were studied. After anesthesia, a 1.5 mm x 10 mm cranial window was made to expose superior sagittal sinus (SSS). A filter paper strip soaked in 40% ferric chloride topically applied for 5 min to induce SSS(More)
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