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The present study was undertaken to investigate the protective effects of icariin on the learning and memory abilities in Alzheimer's disease model rats and explore its protection mechanisms. Beta-amyloid peptide (Abeta) is a key etiology in Alzheimer's disease and targeting on Abeta production and assembly is a new therapeutic strategy. Six-month (400-600(More)
The present study was undertaken to investigate the neuroprotective effects of resveratrol on 6-hydroxydopamine (6-OHDA)-induced Parkinson's disease in rats. 6-OHDA-induced Parkinson's disease rat model involves chronic inflammation, mitochondrial dysfunction, and oxidative stress, and the loss of the dopaminergic neurons in the substantia nigra is the(More)
1. The present study examined the protective effects of icariin against the learning and memory deficits in aluminium-treated rats and its potential mechanisms of action. 2. Qualified rats were treated with 1600 p.p.m. AlCl(3) in drinking water for 8 months and the ability of spatial learning and memory was tested by the Morris water maze. In the place(More)
The effects of icariin (ICA), a major constituent of flavonoids from the Chinese medical herb Epimedium brevicornum Maxim, on spatial memory performances and expressions of hippocampus brain-derived neurotrophic factor (BDNF) and tyrosine kinase TrkB (tropomyosin receptor kinase B) were investigated in d-galactose (d-gal)-treated rats. Subcutaneous(More)
P2X receptors participate in cardiovascular regulation and disease. After myocardial ischemic injury, sensory–sympathetic coupling between rat cervical DRG nerves and superior cervical ganglia (SCG) facilitated sympathoexcitatory action via P2X7 receptor. The results showed that after myocardial ischemic injury, the systolic blood pressure, heart rate,(More)
BACKGROUND This study was aimed to examine circadian variations of hepatic antioxidant components, including the Nrf2- pathway, the glutathione (GSH) system, antioxidant enzymes and metallothionein in mouse liver. METHODS AND RESULTS Adult mice were housed in light- and temperature-controlled facilities for 2 weeks, and livers were collected every 4 h(More)
Diabatic states have a long history in chemistry, beginning with early valence bond pictures of molecular bonding and extending through the construction of model potential energy surfaces to the modern proliferation of methods for computing these elusive states. In this review, we summarize the basic principles that define the diabatic basis and demonstrate(More)
Esophageal squamous cell carcinoma (ESCC) is one of the most lethal malignancies with a 5-year survival rate less than 15%. Understanding of the molecular mechanisms involved in the pathogenesis of ESCC becomes critical to develop more effective treatments. Mcl-1 expression was measured by reverse transcription (RT)-PCR and Western blotting. Human Mcl-1(More)
Purinergic signaling has been found to participate in the regulation of cardiovascular function. In this study, using a rat myocardial ischemic injury model, the sympathoexcitatory reflex mediated by P2X7 receptor via sensory-sympathetic coupling between cervical dorsal root ganglia (DRG) nerves and stellate ganglia (SG) nerves was explored. Our results(More)
Myocardial ischemia elicits a sympathoexcitatory response characterized by increase in blood pressure and sympathetic nerve activity. Puerarin, a major active ingredient extracted from the traditional Chinese plant medicine Ge-gen, has been widely used in treatment of myocardial and cerebral ischemia. However, little is known about the mechanism. Our study(More)