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To develop a plant expression system for the production of the human papillomavirus type 16 (HPV16) vaccine, we investigated whether the HPV16 L1 protein can be expressed in tobacco plants and whether it can be used as the cheapest form of edible vaccine. The HPV16 L1 coding sequence was amplified by PCR using specific primers from the plasmid pGEM-T-HPV16(More)
Urethane is a widely used anesthetic for animal experiments. Although urethane is thought to minimally interfere with neurophysiological processes and appears to preserve synaptic signal transmission, it has also been reported to produce depressive effects on neuronal excitability. In the present study, we used electrophysiological recordings to investigate(More)
BACKGROUND Brain tumor patients often associated with losses of the small-world configuration and neurocognitive functions before operations. However, few studies were performed on the impairments of frontal lobe low-grade gliomas (LGG) after tumor resection using small-world network features. METHODOLOGY/PRINCIPAL FINDINGS To detect differences in the(More)
Nitric oxide (NO) reacts rapidly with superoxide anion and produces peroxynitrite (ONOO(-)), which is a highly reactive free radical that has been shown to mediate much of the toxicity of NO. ONOO(-) has also been implicated as playing a role in the pathology of various brain disorders. The aim of this study was to investigate the actions of ONOO(-) on(More)
Accumulating evidence indicates that the polyphenol resveratrol (trans-3, 5, 4"-trihydroxystibene, RVT) potently protects against cerebral ischemia neuronal damage due to its oxygen free radicals scavenging and antioxidant properties. However, it is unknown whether RVT can attenuate ischemia-induced early impairment of neuronal excitability. To address this(More)
PURPOSE Brain iron deposition has been proposed to play an important role in the pathophysiology of neurodegenerative diseases. The aim of this study was to investigate the correlation of brain iron accumulation with the severity of cognitive impairment in patients with Alzheimer disease (AD). MATERIALS AND METHODS This study was approved by the(More)
Activated epidermal growth factor receptor (EGFR) has emerged as an important therapeutic target for a variety of solid tumors, particularly malignant gliomas. A recently discovered transmembrane glycoprotein, LRIG1, antagonizes the activity of epidermal growth factor receptor family receptor tyrosine kinases and acts as a negative feedback loop of EGFR and(More)
The newly proposed glioma stem cell (GSC) hypothesis may re-model the way we diagnose and treat the tumor, which highlights the need for a complete knowledge on the genetic and epigenetic "blueprints" of GSCs. To identify the true "stemness" signatures, pure GSC populations are primarily needed. Reliable in vitro methods enriching for GSCs and thereby(More)
Extraventricular neurocytomas (EVNs) are rare neuronal tumors included in the definition of neoplasms in the 2007 World Health Organization classification of tumors of the central nervous system. Although a small case series of EVNs in adults has been previously reported, EVNs in pediatric populations are extremely rare. The current case report presents the(More)
Similar histology and clinical behavior of both intraventricular central neurocytomas (CNs) and extraventricular neurocytomas (EVNs) may argue against the idea that EVNs were the distinct entity to distinguish from CNs in the 2007 World Health Organization classification. To explore respective characteristics and compare similarities and differences in CNs(More)