Archive for May, 2008
Thursday, May 1st, 2008
Acanthopanax senticosus suppresses reactive oxygen species production by mouse peritoneal macrophages in vitro and in vivo.
Excess production of reactive oxygen species by macrophages has been implicated in many inflammatory diseases. The present study investigated the inhibitory effect of the stem bark extract of Acanthopanax senticosus ...
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Thursday, May 1st, 2008
Review of Pharmacological Effects of Glycyrrhiza sp. and its Bioactive Compounds.
The roots and rhizomes of licorice (Glycyrrhiza) species have long been used worldwide as a herbal medicine and natural sweetener. Licorice root is a traditional medicine used mainly for the treatment of peptic ulcer, hepatitis ...
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Thursday, May 1st, 2008
Ginkgo biloba extract improves coronary artery circulation in patients with coronary artery disease: contribution of plasma nitric oxide and endothelin-1.
In patients with coronary artery disease (CAD), coronary blood flow is usually impaired due to imbalanced vasoactive substances such as nitric oxide (NO) and endothelin-1 (ET-1). ...
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Thursday, May 1st, 2008
Antioxidant and prooxidant properties of a polyphenol-rich extract from Geranium sanguineum L. in vitro and in vivo.
A polyphenol-rich extract from Geranium sanguineum L. (PC) protected biological membranes due to its antioxidant capacity. PC caused a dose-dependent decrease of the osmotic hemolysis of human erythrocytes and ...
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Thursday, May 1st, 2008
Induction of G2/M arrest and apoptosis by water extract of Strychni Semen in human gastric carcinoma AGS cells.
The seed of Strychnos nux-vomica (Loganiaceae) has been used in traditional Oriental medicine as a folk remedy for the treatment of cancer. However, the mechanism responsible for the ...
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Thursday, May 1st, 2008
Experimental study on the hemostatic activity of the Tibetan medicinal herb Lamiophlomis rotata.
The blood hemostatic activity of the Tibetan medicinal herb Lamiophlomis rotata was evaluated in BALB/c mice and Wistar rats. L. rotata aqueous extract (LRAE) was given to mice at concentrations of 0.5, 1.0, ...
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Thursday, May 1st, 2008
Antiinflammatory and antioxidant activity of Hypericum rumeliacum Boiss. subsp. apollinis (Boiss. & Heldr.) Robson & Strid methanol extract.
Plants of the genus Hypericum are widely used in folk medicine for the treatment of gastric ailments (including pectic ulcers), burns, swelling, inflammation, anxiety, as well as for ...
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Thursday, May 1st, 2008
Pharmacological studies on Indian black tea (leaf variety) in acute and chronic inflammatory conditions.
Infusions of Indian black tea (BTI), when administered orally, produced significant inhibition of rat paw oedema, induced with carrageenin (pre and post treatment) and arachidonic acid. BTI was also found to inhibit ...
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Thursday, May 1st, 2008
A combined extract of Cinnamomi Ramulus, Anemarrhenae Rhizoma and Alpiniae Officinari Rhizoma suppresses production of nitric oxide by inhibiting NF-kappaB activation in RAW 264.7 cells.
An herbal mixture prepared with Cinnamomi Ramulus, Anemarrhenae Rhizoma and Alpiniae Officinari Rhizoma (CAA) is used in oriental medicine for treating ...
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Thursday, May 1st, 2008
Effect of nutrient mixture and black grapes on the pharmacokinetics of orally administered (-)epigallocatechin-3-gallate from green tea extract: a human study.
(-)Epigallocatechin-3-gallate (EGCG), a green tea component, has been attributed with anticarcinogenic and antioxidant activities. The extent and rate of absorption of EGCG by the small ...
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Thursday, May 1st, 2008
Nasopharyngeal carcinoma-Review of the molecular mechanisms of tumorigenesis.
Nasopharyngeal carcinoma (NPC) is a head and neck cancer rare throughout most of the world but common in certain geographic areas, such as southern Asia. While environmental factors and genetic susceptibility play important roles in NPC pathogenesis, the ...
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Thursday, May 1st, 2008
Hypopituitarism after radiotherapy for extracranial head and neck cancers.
BACKGROUND: The purpose of this study was to investigate the incidence of radiotherapy-induced primary and secondary hypopituitarism. METHODS: Three hundred twelve patients treated with radiotherapy for extracranial head and neck tumors between 1964 and 2000 were evaluated. ...
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Thursday, May 1st, 2008
Retroesophageal subclavian artery-Esophageal fistula: A rare complication of a salivary bypass tube.
Salivary bypass tubes have been used with great success in preventing neck wound contamination from saliva and decreasing the risk of pharyngoesophageal stenosis. However, complications from esophageal tubes and risk factors for these complications ...
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Thursday, May 1st, 2008
Small is beautiful: microRNAs and breast cancer-where are we now?
MicroRNAs are a recently discovered class of small regulatory RNAs that influence the stability and translational efficiency of target mRNAs. They have been implicated in an increasing number of biological processes, including neoplasia. Recent studies have ...
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Thursday, May 1st, 2008
Evaluation of body experience questionnaires in eating disorders in female patients (AN/BN) and nonclinical participants.
OBJECTIVE:: Body image disturbance is an important factor in the development and the treatment of eating disorders. Therefore, evaluations of different instruments for measuring body image disturbances are necessary. METHOD:: Four ...
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Thursday, May 1st, 2008
Heat reversal of activity-based anorexia: Implications for the treatment of anorexia nervosa.
OBJECTIVE:: Activity-based anorexia (ABA) provides an animal model of anorexia nervosa (AN). In this model, rats given restricted access to food but unrestricted access to activity wheels, run excessively while reducing food intake, lose ...
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Thursday, May 1st, 2008
A pilot case series using qualitative and quantitative methods: Biological, psychological and social outcome in severe and enduring eating disorder (anorexia nervosa).
OBJECTIVE:: We explore the level of disability and quality of life in participants with severe and enduring eating disorder (anorexia nervosa). METHOD:: We use ...
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Thursday, May 1st, 2008
Hippocampal atrophy is the critical brain change in patients with hypoxic amnesia.
Anoxia is considered a good model for studying amnesia. However, not all individuals who experience anoxic events develop memory problems. Moreover, the question still remains about whether, after anoxia, damage is limited to the ...
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Thursday, May 1st, 2008
High-resolution multi-voxel pattern analysis of category selectivity in the medial temporal lobes.
Although the parahippocampal cortex (PHc) is known to be critical for memory formation, little is known about what is encoded by this area. Using multi-voxel pattern analysis of high-resolution functional magnetic resonance imaging (MRI) ...
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Thursday, May 1st, 2008
Aberrant dentate gyrus cytoarchitecture and fiber lamination in LIS1 mutant mice.
Mutant mice with a heterozygous deletion of LIS1, show varying degrees of hippocampal abnormality and enhanced excitability. To examine how LIS1 affects cytoarchitecture and fiber lamination in dentate gyrus (DG), we performed a series of ...
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Thursday, May 1st, 2008
Lesions of the mammillary body region severely disrupt the cortical head direction, but not place cell signal.
The rat limbic system contains a variety of location (place and grid) cells and directional (head direction; HD) cells, thought to be critical for navigation. The HD cells can ...
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Thursday, May 1st, 2008
Hippocampal and amygdala volumes in children and adults with childhood maltreatment-related posttraumatic stress disorder: A meta-analysis.
Little work has directly examined the course of hippocampal volume in children and adults with childhood maltreatment-related posttraumatic stress disorder (PTSD). Data from adults suggest that hippocampal volume deficits are ...
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Thursday, May 1st, 2008
Hypoxic-ischemic brain injury activates early hippocampal stem/progenitor cells to replace vulnerable neuroblasts.
Although the phenomenon of ongoing neurogenesis in the hippocampus is well described, it remains unclear what relevance this has in terms of brain self-repair following injury. In a highly regulated developmental program, new neurons ...
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Thursday, May 1st, 2008
Effect of tooth loss on spatial memory and trkB-mRNA levels in rats.
The mechanism by which tooth loss accelerates spatial memory impairment is unknown. The purpose of this study was to test the hypothesis that tooth loss affects trkB-mRNA levels and leads to an accelerated decrease ...
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Thursday, May 1st, 2008
Nicotinic acetylcholine receptor expression in the hippocampus of 27 mouse strains reveals novel inhibitory circuitry.
Mouse strains are well-characterized to exhibit differences in their physiological and behavioral responses to nicotine. This report examines the expression of the high-affinity nicotine binding receptor subunit, neuronal nicotinic receptor subunit ...
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