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Open AccessPD-L1 and PD-L2 expression in the tumor microenvironment including peritumoral tissue in primary central nervous system lymphoma
The prevalence of programmed death-ligand 1 (PD-L1) and PD-L2 expression on tumor cells and tumor-infiltrating immune cells in primary central nervous system lymphoma (PCNSL) remains unclear. In the present st...
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Article
Open AccessAnnexin A2–STAT3–Oncostatin M receptor axis drives phenotypic and mesenchymal changes in glioblastoma
Glioblastoma (GBM) is characterized by extensive tumor cell invasion, angiogenesis, and proliferation. We previously established subclones of GBM cells with distinct invasive phenotypes and identified annexin ...
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Article
Open AccessFlexible, sticky, and biodegradable wireless device for drug delivery to brain tumors
Implantation of biodegradable wafers near the brain surgery site to deliver anti-cancer agents which target residual tumor cells by bypassing the blood-brain barrier has been a promising method for brain tumor...
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Article
Delayed postoperative hyponatremia after endoscopic transsphenoidal surgery for pituitary adenoma
Hyponatremia generally occurs after transsphenoidal surgery (TSS) in a delayed fashion. Most patients with delayed postoperative hyponatremia (DPH) are asymptomatic or only express non-specific symptoms; conse...
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Article
Open AccessPIK3R1Met326Ile germline mutation correlates with cysteine-rich protein 61 expression and poor prognosis in glioblastoma
Despite therapeutic advances, glioblastoma represents a lethal brain tumor. Recently, research to identify prognostic markers for glioblastoma has intensified. Our previous study demonstrated that median progr...
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Article
Open AccessEndoscope-assisted resection of cavernous angioma at the foramen of Monro: a case report
Intraventricular cavernous angiomas are rare pathological entities, and those located at the foramen of Monro are even rarer. We herein present a case of cavernous angioma at the foramen of Monro that was suc...
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Article
Open AccessA super gene expression system enhances the anti-glioma effects of adenovirus-mediated REIC/Dkk-3 gene therapy
Reduced expression in immortalized cells/Dickkopf-3 (REIC/Dkk-3) is a tumor suppressor and therapeutic gene in many human cancers. Recently, an adenovirus REIC vector with the super gene expression system (Ad-...
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Article
Adhesion molecules and the extracellular matrix as drug targets for glioma
The formation of tumor vasculature and cell invasion along white matter tracts have pivotal roles in the development and progression of glioma. A better understanding of the mechanisms of angiogenesis and inva...
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Evaluation of extracellular matrix protein CCN1 as a prognostic factor for glioblastoma
Recently, research efforts in identifying prognostic molecular biomarkers for malignant glioma have intensified. Cysteine-rich protein 61 (CCN1) is one of the CCN family of matricellular proteins that promotes...
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Article
Annexin A2 regulates angiogenesis and invasion phenotypes of malignant glioma
We have established a pair of animal models (J3T-1 and J3T-2) with different invasive and angiogenic phenotypes, and demonstrated that annexin A2 is expressed at higher levels in J3T-1 than J3T-2 cells. The fu...
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Article
Open AccessA patient develops transient unique cerebral and cerebellar lesions after unruptured aneurysm coiling
We describe a case of a very unusual complication following a coiling procedure in which the patient developed transient unique cerebral and cerebellar lesions. Lesions were examined not only by magnetic reson...
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Article
Open AccessGene expression profiling of the anti-glioma effect of Cilengitide
Cilengitide (EMD121974), an inhibitor of the adhesive function of integrins, demonstrated preclinical efficacy against malignant glioma. It is speculated that cilengitide can inhibit tumor growth, invasion, an...
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Article
Mixed germ cell tumor and hemangioblastoma in the cerebellum: report of a rare coexistence
We report a case of a cerebellar tumor consisting of a mixed germ cell tumor (GCT) and a hemangioblastoma. A 22-year-old man presented with myoclonus and cerebellar ataxia. Magnetic resonance imaging showed a ...
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Article
Angiogenesis and invasion in glioma
Despite advances in surgical and medical therapy, glioblastoma consistently remains a fatal disease. Over the last 20 years, no significant increase in survival has been achieved for patients with this disease...
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Article
11C-methionine (MET) and 18F-fluorothymidine (FLT) PET in patients with newly diagnosed glioma
The purpose of this prospective study was to clarify the individual and combined role of l-methyl-11C-methionine-positron emission tomography (MET-PET) and 3′-deoxy-3′-[18F]fluorothymidine (FLT)-PET in tumor dete...
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Article
Apoptosis Induction With 5-Fluorocytosine/Cytosine Deaminase gene Therapy for Human Malignant Glioma Cells Mediated by Adenovirus
Previously, we evaluated the therapeutic efficacy of the adenovirus-mediated transduction of the cytosine deaminase (CD) gene and 5-fluorocytosine (5-FC) for malignant gliomas. However, the molecular pathways ...
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Article
Combined radiation and gene therapy for brain tumors with adenovirus-mediated transfer of cytosine deaminase and uracil phosphoribosyltransferase genes
Radiation therapy is an established modality for the treatment of malignant gliomas. Several reports have shown the advantage of additional radiation in combination with gene therapy. In this study, we investi...
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Article
In vivo efficacy and toxicity of 5-fluorocytosine/cytosine deaminase gene therapy for malignant gliomas mediated by adenovirus
We evaluated the therapeutic efficacy and neurotoxicity of adenovirus-mediated transduction of the cytosine deaminase (CD) gene and 5-fluorocytosine (5-FC) for experimental malignant brain tumors. The 5-FC sensit...
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Article
Oncolytic virus therapy of multiple tumors in the brain requires suppression of innate and elicited antiviral responses
The occurrence of multiple tumors in an organ heralds a rapidly fatal course. Although intravascular administration may deliver oncolytic viruses/vectors to each of these tumors, its efficiency is impeded by a...
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Article
Primary brain tumors in children under age 3 years
During the period from 1966 to 1996 the authors analyzed the clinicopathological characteristics of 46 cases of histologically verified primary brain tumors with symptomatic onset during the first 3 years of l...