abstract：:Vestibular schwannomas (VS) arising sporadically or in patients with neurofibromatosis type 2 (NF2) consistently lack expression of Merlin, a tumor suppressor. Conventional treatment options include surgery and radiotherapy but there is no validated medical option. Recent evidence suggests that Merlin deficiency may r...

journal_title：Neuro-oncology

authors： Ammoun S,Cunliffe CH,Allen JC,Chiriboga L,Giancotti FG,Zagzag D,Hanemann CO,Karajannis MA

更新日期：2010-08-01 00:00:00

abstract：:The homeobox transcription factor OTX2 plays an essential role during embryonic brain development. It is normally silenced in the adult brain, but is overexpressed by genomic amplification or other mechanisms in the majority of medulloblastomas (MBs). Retinoic acids (RAs) can suppress OTX2 expression and inhibit MB gr...

journal_title：Neuro-oncology

authors： Bai R,Siu IM,Tyler BM,Staedtke V,Gallia GL,Riggins GJ

更新日期：2010-07-01 00:00:00

abstract：:Glial tumors with oligodendroglial components are considered chemo-responsive. Forty newly diagnosed patients (11 anaplastic oligodendrogliomas [OD] and 29 anaplastic oligoastrocytomas [OA]) were enrolled into this multicenter, open-label, single-arm Phase II trial of first-line temozolomide (200 mg/m(2) on days 1-5 e...

journal_title：Neuro-oncology

authors： Gan HK,Rosenthal MA,Dowling A,Kalnins R,Algar E,Wong N,Benson A,Woods AM,Cher L

更新日期：2010-05-01 00:00:00

abstract：:Allergies and the use of anti-inflammatory medication appear to be associated with reduced glioblastoma risk. However, these observations may merely reflect systemic immunosuppression induced by the tumor. To better understand the effect of this tumor on allergies and inflammation, we used CD133 mRNA expression as an ...

journal_title：Neuro-oncology

authors： Schwartzbaum JA,Huang K,Lawler S,Ding B,Yu J,Chiocca EA

更新日期：2010-04-01 00:00:00

abstract：:Akt, one of the major downstream effectors of phosphatidylinositol 3-kinase, is hyper-expressed and activated in a variety of cancers including glioblastoma. However, the expression profiles of the Akt isoforms Akt1/PKBalpha, Akt2/PKBbeta, and Akt3/PKBgamma and their functional roles in malignant glioma are not well u...

journal_title：Neuro-oncology

authors： Mure H,Matsuzaki K,Kitazato KT,Mizobuchi Y,Kuwayama K,Kageji T,Nagahiro S

更新日期：2010-03-01 00:00:00

abstract：:In order to compare in vivo metabolism between malignant gliomas and normal brain, (13)C magnetic resonance (MR) spectroscopic imaging data were acquired from rats with human glioblastoma xenografts (U-251 MG and U-87 MG) and normal rats, following injection of hyperpolarized [1-(13)C]-pyruvate. The median signal-to-n...

journal_title：Neuro-oncology

authors： Park I,Larson PE,Zierhut ML,Hu S,Bok R,Ozawa T,Kurhanewicz J,Vigneron DB,Vandenberg SR,James CD,Nelson SJ

更新日期：2010-02-01 00:00:00

abstract：:To determine the effectiveness of stereotactic radiosurgery (SRS) treatment to central nervous system (CNS) hemangioblastomas in von Hippel-Lindau disease (VHL), we analyzed long-term results in VHL patients treated with SRS. Patients were enrolled in a prospective VHL natural history study, undergoing SRS treatment o...

journal_title：Neuro-oncology

authors： Asthagiri AR,Mehta GU,Zach L,Li X,Butman JA,Camphausen KA,Lonser RR

更新日期：2010-01-01 00:00:00

abstract：:We investigated the activation of platelet-derived growth factor (PDGF) receptor A (PDGFRA), PDGF receptor B (PDGFRB), epidermal growth factor receptor (EGFR), and their downstream pathways in malignant peripheral nerve sheath tumors (MPNSTs). PDGFRA, PDGFRB, and EGFR were immunohistochemically, biochemically, cytogen...

journal_title：Neuro-oncology

authors： Perrone F,Da Riva L,Orsenigo M,Losa M,Jocollè G,Millefanti C,Pastore E,Gronchi A,Pierotti MA,Pilotti S

更新日期：2009-12-01 00:00:00

abstract：:The REV3L gene, encoding the catalytic subunit of human polymerase zeta, plays a significant role in the cytotoxicity, mutagenicity, and chemoresistance of certain tumors. However, the role of REV3L in regulating the sensitivity of glioma cells to chemotherapy remains unknown. In this study, we investigated the expres...

journal_title：Neuro-oncology

authors： Wang H,Zhang SY,Wang S,Lu J,Wu W,Weng L,Chen D,Zhang Y,Lu Z,Yang J,Chen Y,Zhang X,Chen X,Xi C,Lu D,Zhao S

更新日期：2009-12-01 00:00:00

abstract：:Bevacizumab is a humanized monoclonal antibody against vascular endothelial growth factor (VEGF) that has efficacy in recurrent malignant gliomas, particularly in combination with irinotecan. However, responses are rarely durable. Continuation of bevacizumab in combination with another chemotherapeutic agent may demon...

journal_title：Neuro-oncology

authors： Quant EC,Norden AD,Drappatz J,Muzikansky A,Doherty L,Lafrankie D,Ciampa A,Kesari S,Wen PY

更新日期：2009-10-01 00:00:00

abstract：:Development of model systems that recapitulate the molecular heterogeneity observed among glioblastoma multiforme (GBM) tumors will expedite the testing of targeted molecular therapeutic strategies for GBM treatment. In this study, we profiled DNA copy number and mRNA expression in 21 independent GBM tumor lines maint...

journal_title：Neuro-oncology

authors： Hodgson JG,Yeh RF,Ray A,Wang NJ,Smirnov I,Yu M,Hariono S,Silber J,Feiler HS,Gray JW,Spellman PT,Vandenberg SR,Berger MS,James CD

更新日期：2009-10-01 00:00:00

abstract：:To determine racial and ethnic differences in incidence and survival in patients with primary central nervous system lymphoma (PCNSL), NCI Surveillance, Epidemiology, and End Results (SEER) program data from 1992 to 2002 were queried. Data were substratified by age (20-49 years vs. 50 or above) and race (White, Black,...

journal_title：Neuro-oncology

authors： Pulido JS,Vierkant RA,Olson JE,Abrey L,Schiff D,O'Neill BP

更新日期：2009-06-01 00:00:00

abstract：:Glutathione S-transferases (GSTs) are polymorphic enzymes that catalyze the glutathione conjugation of alkylating agents, platinum compounds, and free radicals formed by radiation used to treat medulloblastoma. We hypothesized that GST polymorphisms may be responsible, in part, for individual differences in toxicity a...

journal_title：Neuro-oncology

authors： Barahmani N,Carpentieri S,Li XN,Wang T,Cao Y,Howe L,Kilburn L,Chintagumpala M,Lau C,Okcu MF

更新日期：2009-06-01 00:00:00

abstract：:High-grade gliomas release excitotoxic concentrations of glutamate, which has been shown to enhance tumor proliferation and migration. alpha-Amino-3-hydroxy-5-methylisoxazole-4-propionic acid (AMPA) glutamate receptors are abundantly expressed at the invading edge of glioblastoma specimens, suggesting they may play an...

journal_title：Neuro-oncology

authors： Piao Y,Lu L,de Groot J

更新日期：2009-06-01 00:00:00

abstract：:First-line therapy for patients with glioblastoma multiforme includes treatment with radiation and temozolomide (TMZ), an oral DNA alkylating chemotherapy. Sensitivity of glioma cells to TMZ is dependent on the level of cellular O(6)-methylguanine-DNA methyltransferase (MGMT) repair activity. Several common coding-reg...

journal_title：Neuro-oncology

authors： Remington M,Chtchetinin J,Ancheta K,Nghiemphu PL,Cloughesy T,Lai A

更新日期：2009-02-01 00:00:00

abstract：:In the present study we described the role of alpha9beta1 integrin in glioblastoma progression following its interaction with nerve growth factor (NGF). The level of expression of alpha9beta1 on astrocytomas is correlated with increased grade of this brain tumor and is highest on glioblastoma, whereas normal astrocyte...

journal_title：Neuro-oncology

authors： Brown MC,Staniszewska I,Lazarovici P,Tuszynski GP,Del Valle L,Marcinkiewicz C

更新日期：2008-12-01 00:00:00

abstract：:Glioblastoma multiforme (GBM) is a lethal primary malignant brain tumor in adults. R115777 (tipifarnib) is an oral agent with antiproliferative effects, being a potent and selective inhibitor of farnesyltransferase. This multicenter, open-label phase II study was designed to evaluate the efficacy and safety of R115777...

journal_title：Neuro-oncology

authors： Lustig R,Mikkelsen T,Lesser G,Grossman S,Ye X,Desideri S,Fisher J,Wright J,New Approaches to Brain Tumor Therapy CNS Consortium.

更新日期：2008-12-01 00:00:00

abstract：:The purpose of this study was to determine the dose-limiting toxicities, maximum tolerated dose, pharmacokinetics, and intratumor and brain distribution of motexafin gadolinium (MGd) with involved field radiation therapy in children with newly diagnosed intrinsic pontine gliomas. MGd was administered as a 5-min intrav...

journal_title：Neuro-oncology

authors： Bradley KA,Pollack IF,Reid JM,Adamson PC,Ames MM,Vezina G,Blaney S,Ivy P,Zhou T,Krailo M,Reaman G,Mehta MP,Children's Oncology Group.

更新日期：2008-10-01 00:00:00

abstract：:Oxidative stress is believed to play a key role in tumor formation. Although this mechanism could be especially pertinent for brain tumors given the high oxygen consumption of the brain, very little has been published regarding brain tumor risk with respect to genes mediating oxidative stress. Using data from non-Hisp...

journal_title：Neuro-oncology

authors： Rajaraman P,Hutchinson A,Rothman N,Black PM,Fine HA,Loeffler JS,Selker RG,Shapiro WR,Linet MS,Inskip PD

更新日期：2008-10-01 00:00:00

abstract：:Medulloblastoma (MB) is the most common pediatric brain cancer. Several important developmental pathways have been implicated in MB formation, but fewer therapeutic targets have been identified. To locate frequently overexpressed genes, we performed a comprehensive gene expression survey of MB. Our comparison of 20 pr...

journal_title：Neuro-oncology

authors： Siu IM,Bai R,Gallia GL,Edwards JB,Tyler BM,Eberhart CG,Riggins GJ

更新日期：2008-10-01 00:00:00

abstract：:People with neurofibromatosis 1 (NF1) have multiple benign neurofibromas and a 10% lifetime risk of developing malignant peripheral nerve sheath tumors (MPNSTs). Most MPNSTs develop from benign plexiform neurofibromas, so the burden of benign tumors may be a risk factor for developing MPNST. We studied 13 NF1 patients...

journal_title：Neuro-oncology

authors： Mautner VF,Asuagbor FA,Dombi E,Fünsterer C,Kluwe L,Wenzel R,Widemann BC,Friedman JM

更新日期：2008-08-01 00:00:00

abstract：:Karenitecin is a highly lipophilic camptothecin analogue with a lactone ring that is relatively resistant to inactivating hydrolysis under physiologic conditions. This phase I clinical trial was conducted to determine the maximum tolerated dose (MTD) of karenitecin in adults with recurrent malignant glioma (MG), to de...

journal_title：Neuro-oncology

authors： Grossman SA,Carson KA,Phuphanich S,Batchelor T,Peereboom D,Nabors LB,Lesser G,Hausheer F,Supko JG,New Approaches to Brain Tumor Therapy CNS Consortium.

更新日期：2008-08-01 00:00:00

abstract：:The effects of combining histone deacetylase (HDAC) inhibitors and proteasome inhibitors were evaluated in both established glioblastoma multiforme (GBM) cell lines and short-term cultures derived from the Mayo Clinic xenograft GBM panel. Coexposure of LBH589 and bortezomib at minimally toxic doses of either drug alon...

journal_title：Neuro-oncology

authors： Yu C,Friday BB,Yang L,Atadja P,Wigle D,Sarkaria J,Adjei AA

更新日期：2008-06-01 00:00:00

abstract：:The exact incidence of pineal germ-cell tumors is largely unknown. The tumors are rare, and the number of patients with these tumors, as reported in clinical series, has been limited. The goal of this study was to describe pineal germ-cell tumors in a large number of patients, using data from available brain tumor dat...

journal_title：Neuro-oncology

authors： Villano JL,Propp JM,Porter KR,Stewart AK,Valyi-Nagy T,Li X,Engelhard HH,McCarthy BJ

更新日期：2008-04-01 00:00:00

abstract：:Cytotoxic chemotherapy that induces lymphopenia is predicted to ablate the benefits of active antitumor immunization. Temozolomide is an effective chemotherapeutic agent for patients with glioblastoma multiforme, but it induces significant lymphopenia. Although there is monthly fluctuation of the white blood cell coun...

journal_title：Neuro-oncology

authors： Heimberger AB,Sun W,Hussain SF,Dey M,Crutcher L,Aldape K,Gilbert M,Hassenbusch SJ,Sawaya R,Schmittling B,Archer GE,Mitchell DA,Bigner DD,Sampson JH

更新日期：2008-02-01 00:00:00

abstract：:Grade II gliomas are morphologically and clinically heterogeneous tumors for which histopathological typing remains the major tool for clinical classification. To what extent the major histological subtypes - astrocytomas, oligodendrogliomas, and oligoastrocytomas - constitute true biological entities is largely unres...

journal_title：Neuro-oncology

authors： Hägerstrand D,Smits A,Eriksson A,Sigurdardottir S,Olofsson T,Hartman M,Nistér M,Kalimo H,Ostman A

更新日期：2008-02-01 00:00:00

abstract：:Glioblastoma multiforme (GBM) continues to be a difficult therapeutic challenge. Our study was conducted to determine whether improved survival and tumor control could be achieved with modern delivery of fast neutron radiation using three-dimensional treatment planning. Ten patients were enrolled. Eligibility criteria...

journal_title：Neuro-oncology

authors： Stelzer KJ,Douglas JG,Mankoff DA,Silbergeld DL,Krohn KA,Laramore GE,Spence AM

更新日期：2008-02-01 00:00:00

abstract：:We examined DNA damage responses and repair in four human glioma cell lines (A7, U87, T98G, and U373) and normal human astrocytes (NHAs) after clinically relevant radiation doses to establish whether we could identify differences among them that might suggest new approaches to selective radiosensitization. We used pho...

journal_title：Neuro-oncology

authors： Short SC,Martindale C,Bourne S,Brand G,Woodcock M,Johnston P

更新日期：2007-10-01 00:00:00

abstract：:Anaplastic oligodendroglioma is a malignant brain tumor uniquely sensitive to treatment with both chemotherapy and radiotherapy. There are few prospective clinical trials for newly diagnosed patients and multiple approaches to the treatment of these patients. This study explored the recommended treatment offered by ex...

journal_title：Neuro-oncology

authors： Abrey LE,Louis DN,Paleologos N,Lassman AB,Raizer JJ,Mason W,Finlay J,MacDonald DR,DeAngelis LM,Cairncross JG,Oligodendroglioma Study Group.

更新日期：2007-07-01 00:00:00

abstract：:Tobacco products are major contributors of exogenous N-nitroso compounds, a group of potent neurocarcinogens. Overall results from studies of smoking and brain tumors have been null, but have provided little information on duration, age at smoking initiation, and latency. We prospectively examined the relation between...

journal_title：Neuro-oncology

authors： Holick CN,Giovannucci EL,Rosner B,Stampfer MJ,Michaud DS

更新日期：2007-07-01 00:00:00

abstract：:Transforming growth factor-beta (TGF-beta) is a proinvasive and immunosuppressive cytokine that plays a major role in the malignant phenotype of gliomas. One novel strategy of disabling TGF-beta activity in gliomas is to disrupt the signaling cascade at the level of the TGF-beta receptor I (TGF-betaRI) kinase, thus ab...

journal_title：Neuro-oncology

authors： Tran TT,Uhl M,Ma JY,Janssen L,Sriram V,Aulwurm S,Kerr I,Lam A,Webb HK,Kapoun AM,Kizer DE,McEnroe G,Hart B,Axon J,Murphy A,Chakravarty S,Dugar S,Protter AA,Higgins LS,Wick W,Weller M,Wong DH

更新日期：2007-07-01 00:00:00

abstract：:Multiphoton excitation fluorescent microscopy is a laser-based technology that allows subcellular resolution of native tissues in situ. We have recently applied this technology to the structural and photochemical imaging of cultured glioma cells and experimental gliomas ex vivo. We demonstrated that high microanatomic...

journal_title：Neuro-oncology

authors： Kantelhardt SR,Leppert J,Krajewski J,Petkus N,Reusche E,Tronnier VM,Hüttmann G,Giese A

更新日期：2007-04-01 00:00:00

abstract：:This study estimated the maximum tolerated dose (MTD) of imatinib with irradiation in children with newly diagnosed brainstem gliomas, and those with recurrent malignant intracranial gliomas, stratified according to use of enzyme-inducing anticonvulsant drugs (EIACDs). In the brainstem glioma stratum, imatinib was ini...

journal_title：Neuro-oncology

authors： Pollack IF,Jakacki RI,Blaney SM,Hancock ML,Kieran MW,Phillips P,Kun LE,Friedman H,Packer R,Banerjee A,Geyer JR,Goldman S,Poussaint TY,Krasin MJ,Wang Y,Hayes M,Murgo A,Weiner S,Boyett JM

更新日期：2007-04-01 00:00:00

abstract：:Histone modification has emerged as a promising approach to cancer therapy. We explored the in vivo efficacy of a butyric acid derivative, pivaloyloxymethyl butyrate (AN-9), for the treatment of gliomas. Relative to control and single-modality treatments, the combination of AN-9 and radiation significantly inhibited t...

journal_title：Neuro-oncology

authors： Entin-Meer M,Yang X,VandenBerg SR,Lamborn KR,Nudelman A,Rephaeli A,Haas-Kogan DA

更新日期：2007-04-01 00:00:00

abstract：:In patients with parenchymal brain masses of uncertain origin responsive to corticosteroids, primary CNS lymphoma (PCNSL) should be considered. PCNSL is a rare but aggressive brain tumor that is highly sensitive to high-dose methotrexate (HDMTX)-based chemotherapy. We report a series of six patients with brain masses ...

journal_title：Neuro-oncology

authors： Kiewe P,Loddenkemper C,Anagnostopoulos I,Reinwald M,Thiel E,Korfel A

更新日期：2007-04-01 00:00:00

abstract：:Treatment of malignant gliomas represents one of the most formidable challenges in oncology. The combination of surgery, radiation, and chemotherapy yields median survivals of less than one year. Here we demonstrate the use of a minimally invasive surgical technique, convection-enhanced delivery (CED), for local admin...

journal_title：Neuro-oncology

authors： Saito R,Krauze MT,Noble CO,Drummond DC,Kirpotin DB,Berger MS,Park JW,Bankiewicz KS

更新日期：2006-07-01 00:00:00

abstract：:The purpose of this study was to define the maximum tolerated dose of erlotinib and characterize its pharmaco-kinetics and safety profile, alone and with temozolomide, with and without enzyme-inducing antiepileptic drugs (EIAEDs), in patients with malignant gliomas. Patients with stable or progressive malignant primar...

journal_title：Neuro-oncology

authors： Prados MD,Lamborn KR,Chang S,Burton E,Butowski N,Malec M,Kapadia A,Rabbitt J,Page MS,Fedoroff A,Xie D,Kelley SK

更新日期：2006-01-01 00:00:00

abstract：:Blood vessels are composed of two interacting cell types. Endothelial cells form the inner lining of the vessel wall, and perivascular cells--referred to as pericytes, vascular smooth muscle cells or mural cells--envelop the surface of the vascular tube. Over the last decades, studies of blood vessels have concentrate...

journal_title：Neuro-oncology

authors： Bergers G,Song S

更新日期：2005-10-01 00:00:00

abstract：:Data on spinal ependymomas are sparse, and prognostic factors remain controversial. The primary aim of this study is to review a historical cohort, with large patient numbers and long follow-up, and provide estimates of time to progression (TTP) and survival after progression. As a secondary aim, we assess the effects...

journal_title：Neuro-oncology

authors： Gomez DR,Missett BT,Wara WM,Lamborn KR,Prados MD,Chang S,Berger MS,Haas-Kogan DA

更新日期：2005-07-01 00:00:00

abstract：:Angiogenesis is necessary for tumor growth beyond a volume of approximately 2 mm(3). This observation, along with the accessibility of tumor vessels to therapeutic targeting, has resulted in a research focus on inhibitors of angiogenesis. A number of endogenous inhibitors of angiogenesis are found in the body. Some of...

journal_title：Neuro-oncology

authors： Rege TA,Fears CY,Gladson CL

更新日期：2005-04-01 00:00:00