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High grade glioma

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https://www.readbyqxmd.com/read/28087392/predictors-and-mechanisms-of-epilepsy-occurrence-in-cerebral-gliomas-what-to-look-for-in-clinicopathology
#1
Cheng Huang, Xiao-Sa Chi, Xin Hu, Ni Chen, Qiao Zhou, Dong Zhou, Jin-Mei Li
Gliomas, especially low-grade gliomas, are highly epileptogenic brain tumors. Histopathological information is valuable in evaluating the diagnosis and/or biologic behavior of various gliomas. Here we explored the clinical data and histopathological predictors of the occurrence of epilepsy in patients with gliomas. A retrospective study examined 310 consecutive patients who had undergone surgical treatment for gliomas in our institution from January 2013 to January 2015. Clinical data and pathological examination results were analyzed...
January 10, 2017: Experimental and Molecular Pathology
https://www.readbyqxmd.com/read/28081224/resveratrol-impairs-glioma-stem-cells-proliferation-and-motility-by-modulating-the-wnt-signaling-pathway
#2
Chiara Cilibrasi, Gabriele Riva, Gabriele Romano, Massimiliano Cadamuro, Riccardo Bazzoni, Valentina Butta, Laura Paoletta, Leda Dalprà, Mario Strazzabosco, Marialuisa Lavitrano, Roberto Giovannoni, Angela Bentivegna
Glioblastoma multiforme (GBM) is a grade IV astrocytoma and the most common form of malignant brain tumor in adults. GBM remains one of the most fatal and least successfully treated solid tumors: current therapies provide a median survival of 12-15 months after diagnosis, due to the high recurrence rate. Glioma Stem Cells (GSCs) are believed to be the real driving force of tumor initiation, progression and relapse. Therefore, better therapeutic strategies GSCs-targeted are needed. Resveratrol is a polyphenolic phytoalexin found in fruits and vegetables displaying pleiotropic health benefits...
2017: PloS One
https://www.readbyqxmd.com/read/28079349/interleukin-13-receptor-alpha-2-as-a-marker-of-poorer-prognosis-in-high-grade-astrocytomas
#3
Masahiko Wanibuchi, Yuko Kataoka-Sasaki, Masanori Sasaki, Shinichi Oka, Yayoi Otsuka, Miki Yamaguchi, Hirofumi Ohnishi, Shunya Ohtaki, Shouhei Noshiro, Satoshi Ookawa, Takeshi Mikami, Nobuhiro Mikuni, Osamu Honmou
BACKGROUND: Interleukin-13 receptor alpha 2 (IL13Rα2) is considered a prognostic marker for gliomas according to the World Health Organization (WHO) grade. However, the expression levels of the marker vary from case to case, even within the same grade. We investigated whether IL13Rα2 could serve as a predictor of poorer prognosis in gliomas. METHODS: mRNA expression of IL13Rα2 was measured using real-time quantitative reverse transcription polymerase chain reaction (qRT-PCR) in 52 formalin-fixed paraffin-embedded glioma samples (4 pilocytic astrocytomas, 9 diffuse astrocytomas, 12 anaplastic astrocytomas, and 27 glioblastomas, grade IV)...
January 12, 2017: Journal of Neurosurgical Sciences
https://www.readbyqxmd.com/read/28078639/low-preoperative-prognostic-nutritional-index-predicts-poor-survival-in-patients-with-newly-diagnosed-high-grade-gliomas
#4
Zhen-Qiang He, Chao Ke, Fuad Al-Nahari, Hao Duan, Cheng-Cheng Guo, Yang Wang, Xiang-Heng Zhang, Yin-Sheng Chen, Zhi-Gang Liu, Jian Wang, Zhong-Ping Chen, Xiao-Bing Jiang, Yong-Gao Mou
Preoperative prognostic nutritional index (PNI) has been widely demonstrated to predict survival of patients with malignant tumors. Its utility in predicting outcomes in patients with high-grade gliomas (HGG) remains undefined. A retrospective study of 188 HGG patients was conducted. An optimal PNI cut-off value was applied to stratify patients into high PNI (≥52.55, n = 78) and low PNI (<52.55, n = 110) groups. Univariate and multivariate analysis was performed to identify prognostic factors associated with overall survival (OS) and progression free survival (PFS)...
January 11, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28078638/-11-c-methionine-positron-emission-tomography-delineates-non-contrast-enhancing-tumor-regions-at-high-risk-for-recurrence-in-pediatric-high-grade-glioma
#5
John T Lucas, Nick Serrano, Hyun Kim, Xingyu Li, Scott E Snyder, Scott Hwang, Yimei Li, Chia-Ho Hua, Alberto Broniscer, Thomas E Merchant, Barry L Shulkin
We assessed the prognostic utility of (11)C-Methionine positron emission tomography (MET-PET) in pediatric high-grade glioma (HGG). Thirty-one children had 62 MET-PET studies. Segmented tumor volumes from co-registered magnetic resonance studies were assessed for concordance with MET-PET uptake using Boolean operations. The tumor volume at diagnosis and treatment failure was assessed relative to MET-PET avid volume. The prognostic impact of MET-PET-delineated non-contrast enhancing tumor (NCET) was assessed...
January 11, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28075478/high-expression-of-rab43-predicts-poor-prognosis-and-is-associated-with-epithelial-mesenchymal-transition-in-gliomas
#6
Ming-Zhi Han, Bin Huang, An-Jing Chen, Xin Zhang, Ran Xu, Jian Wang, Xin-Gang Li
The Ras-related GTP-binding protein (RAB) family plays an important role in regulating signal transduction and cellular processes including vesicle transport, cytoskeleton formation and membrane trafficking. More recently, several RAB members have been reported to promote tumorigenesis in many types of cancers. However, the clinical significance and potential function of RAB43 in gliomas remain unclear. Herein, we found that RAB43 was upregulated and positively correlated with the grade of progression in glioma patients by in silico analysis and immunohistochemistry (IHC)...
January 3, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28075197/validation-of-an-established-prognostic-score-after-re-irradiation-of-recurrent-glioma
#7
Kerstin A Kessel, Josefine Hesse, Christoph Straube, Claus Zimmer, Friederike Schmidt-Graf, Jürgen Schlegel, Bernhard Meyer, Stephanie E Combs
BACKGROUND: Re-irradiation (Re-RT) is offered widely in clinical routine, and has been established as a key element in the treatment of recurrent gliomas. At our center, generally re-resection is performed widely by an experienced neurosurgical team. Thus, Re-RT mostly offered to patients with macroscopic residuals or irresectable lesions, is applied later compared to other centers. Therefore, we sought to validate the Combs Prognostic Score developed in 2012 using our independent patient cohort...
January 11, 2017: Acta Oncologica
https://www.readbyqxmd.com/read/28073783/podoplanin-expression-in-primary-brain-tumors-induces-platelet-aggregation-and-increases-risk-of-venous-thromboembolism
#8
Julia Riedl, Matthias Preusser, Pegah Mir Seyed Nazari, Florian Posch, Simon Panzer, Christine Marosi, Peter Birner, Johannes Thaler, Christine Brostjan, Daniela Lötsch, Walter Berger, Johannes A Hainfellner, Ingrid Pabinger, Cihan Ay
Venous thromboembolism (VTE) is common in patients with brain tumors, and underlying mechanisms are unclear. We hypothesized that podoplanin, a sialomucin-like glycoprotein, increases the risk of VTE in primary brain tumors via its ability to induce platelet aggregation. Immunohistochemical staining against podoplanin and intratumoral platelet aggregates was performed in brain tumor specimens of 213 patients (mostly high-grade gliomas [89%]) included in the Vienna Cancer and Thrombosis Study (CATS), a prospective observational cohort study of patients with newly diagnosed cancer or progressive disease aimed at identifying patients at risk of VTE...
January 10, 2017: Blood
https://www.readbyqxmd.com/read/28073370/expression-site-of-p2ry12-in-residential-microglial-cells-in-astrocytomas-correlates-with-m1-and-m2-marker-expression-and-tumor-grade
#9
Changbin Zhu, Johan M Kros, Marcel van der Weiden, PingPin Zheng, Caroline Cheng, Dana A M Mustafa
The role of resident microglial cells in the pathogenesis and progression of glial tumors is still obscure mainly due to a lack of specific markers. Recently P2RY12, a P2 purinergic receptor, was introduced as a specific marker for microglial cells under normal and pathologic conditions. Here we analyzed the expression of P2RY12 in astrocytomas of various malignancy grades in relation to markers for M1 and M2 macrophage activation profiles by using two web-based glioma datasets and confocal immunohistochemistry to 28 astrocytoma samples grades II-IV...
January 10, 2017: Acta Neuropathologica Communications
https://www.readbyqxmd.com/read/28070829/functional-analysis-of-kif20a-a-potential-immunotherapeutic-target-for-glioma
#10
Katsuya Saito, Shigeki Ohta, Yutaka Kawakami, Kazunari Yoshida, Masahiro Toda
Kinesin family member 20A (KIF20A), an ideal cancer-testis antigen, was reported to be a promising immunotherapeutic target for pancreatic cancers. Clinical trials of KIF20A peptide vaccine immunotherapy have been conducted against pancreatic cancers. To demonstrate the efficacy of KIF20A as a candidate molecular target for gliomas, we analyzed the expression and function of KIF20A in gliomas. Western blot and quantitative PCR analyses showed that KIF20A expression in glioma cell lines and glioma tissues was high compared with that found in a normal brain...
January 9, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28069420/the-authors-herby-confirm-that-this-manuscript-has-neither-been-published-nor-submitted-to-any-other-journal-confocal-laser-endomicroscopy-in-neurosurgery-an-alternative-to-instantaneous-sections
#11
David Breuskin, Jacek Szczygielski, Steffi Urbschat, Yoo-Jin Kim, Joachim Oertel
INTRODUCTION: Intraoperative distinction of brain tumor from the surround brain is one of the crucial challenges in neurooncological surgery. In this study, confocal laser endomicroscope (CLE) findings were directly compared with intraoperative instantaneous sections by the neuropathologist in a blinded fashion. MATERIAL AND METHODS: The imaging device comprises of a rigid endoscope with Hopkins-Rod lenses and a red wave length laser with a scanning depth of 80 μm...
January 6, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28069038/motility-of-glioblastoma-cells-is-driven-by-netrin-1-induced-gain-of-stemness
#12
Irene Ylivinkka, Harri Sihto, Olli Tynninen, Yizhou Hu, Aki Laakso, Riku Kivisaari, Pirjo Laakkonen, Jorma Keski-Oja, Marko Hyytiäinen
BACKGROUND: Glioblastoma is an untreatable brain cancer. The tumors contain a population of stem-like cells which are highly invasive and resistant to therapies. These cells are the main reason for the lethality of glioblastoma. Extracellular guidance molecule netrin-1 promotes the invasiveness and survival of various cancer cell types. We have previously found that netrin-1 activates Notch signaling, and Notch signaling associates with cell stemness. Therefore, we have here investigated the effects of netrin-1 on glioblastoma pathogenesis and glioblastoma cell stemness...
January 9, 2017: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/28065743/high-expression-of-trim11-correlates-with-poor-prognosis-in-patients-with-hepatocellular-carcinoma
#13
Yue Chen, Liang Li, Xiaoxing Qian, Yongsheng Ge, Geliang Xu
BACKGROUND: Tripartite Motif Containing 11 (TRIM11), a member of TRIM proteins is overexpressed in gliomas and lung cancer. However, the role of TRIM11 in hepatocellular carcinoma (HCC) is unknown. BASIC PROCEDURES: Herein, we aimed to investigate the expression and clinical significance role of TRIM11 in HCC. MAIN FINDING: In this study, our data showed significant higher TRIM11 in HCC tissues (n=117) than in the matched non-tumor liver (NTL) tissues (P<0...
January 5, 2017: Clinics and Research in Hepatology and Gastroenterology
https://www.readbyqxmd.com/read/28061488/the-use-of-mr-perfusion-imaging-in-the-evaluation-of-tumor-progression-in-gliomas
#14
Brian Snelling, Ashish H Shah, Simon Buttrick, Ronald Benveniste
OBJECTIVE: Diagnosing tumor progression and pseudoprogression remains challenging for many clinicians. Accurate recognition of these findings remains paramount given necessity of prompt treatment. However, no consensus has been reached on the optimal technique to discriminate tumor progression. We sought to investigate the role of magnetic resonance perfusion (MRP) to evaluate tumor progression in glioma patients. METHODS: An institutional retrospective review of glioma patients undergoing MRP with concurrent clinical follow up visit was performed...
January 1, 2017: Journal of Korean Neurosurgical Society
https://www.readbyqxmd.com/read/28059657/language-outcomes-after-resection-of-dominant-inferior-parietal-lobule-gliomas
#15
Derek G Southwell, Marco Riva, Kesshi Jordan, Eduardo Caverzasi, Jing Li, David W Perry, Roland G Henry, Mitchel S Berger
OBJECTIVE The dominant inferior parietal lobule (IPL) contains cortical and subcortical regions essential for language. Although resection of IPL tumors could result in language deficits, little is known about the likelihood of postoperative language morbidity or the risk factors predisposing to this outcome. METHODS The authors retrospectively examined a series of patients who underwent resections of gliomas from the dominant IPL. Postoperative language outcomes were characterized across the patient population...
January 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28059650/surgical-benefits-of-combined-awake-craniotomy-and-intraoperative-magnetic-resonance-imaging-for-gliomas-associated-with-eloquent-areas
#16
Kazuya Motomura, Atsushi Natsume, Kentaro Iijima, Shunichiro Kuramitsu, Masazumi Fujii, Takashi Yamamoto, Satoshi Maesawa, Junko Sugiura, Toshihiko Wakabayashi
OBJECTIVE Maximum extent of resection (EOR) for lower-grade and high-grade gliomas can increase survival rates of patients. However, these infiltrative gliomas are often observed near or within eloquent regions of the brain. Awake surgery is of known benefit for the treatment of gliomas associated with eloquent regions in that brain function can be preserved. On the other hand, intraoperative MRI (iMRI) has been successfully used to maximize the resection of tumors, which can detect small amounts of residual tumors...
January 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28055959/preoperative-low-tri-iodothyronine-concentration-is-associated-with-worse-health-status-and-shorter-five-year-survival-of-primary-brain-tumor-patients
#17
Adomas Bunevicius, Vytenis Pranas Deltuva, Sarunas Tamasauskas, Timothy Smith, Edward R Laws, Robertas Bunevicius, Giorgio Iervasi, Arimantas Tamasauskas
BACKGROUND: Low tri-iodothyronine syndrome is associated with worse prognosis of severely ill patients. We investigated the association of thyroid hormone levels with discharge outcomes and 5-year mortality in primary brain tumor patients. METHODS: From January, 2010 until September, 2011, 230 patients (70% women) before brain tumor surgery were evaluated for cognitive (Mini mental State Examination; MMSE) and functional (Barthel index; BI) status, and thyroid function profile...
December 30, 2016: Oncotarget
https://www.readbyqxmd.com/read/28054416/anomalous-diffusion-in-cerebral-glioma-assessed-using-a-fractional-motion-model
#18
Boyan Xu, Lu Su, Zhenxiong Wang, Yang Fan, Gaolang Gong, Wenzhen Zhu, Peiyi Gao, Jia-Hong Gao
PURPOSE: To demonstrate the capability of the fractional motion (FM) model for describing anomalous diffusion in cerebral gliomas and to assess the potential feasibility of FM for grading these tumors. METHODS: Diffusion MRI images were acquired from brain tumor patients using a special Stejskal-Tanner diffusion sequence with variable diffusion gradient amplitudes and separation times. Patients with histopathologically confirmed gliomas, including astrocytic and oligoastrocytic tumors, were selected...
January 5, 2017: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/28053545/high-expression-of-long-noncoding-rna-hulc-is-a-poor-predictor-of-prognosis-and-regulates-cell-proliferation-in-glioma
#19
Hong Yan, Rui Tian, Min Zhang, Jing Wu, Min Ding, Jie He
PURPOSE: Emerging studies show that long noncoding RNAs (lncRNAs) have important roles in carcinogenesis. This study investigated the role of lncRNA highly upregulated in liver cancer (HULC) expression in glioma and its clinical significance in glioma patients. MATERIALS AND METHODS: HULC expression was detected in glioma tissues and cell lines by using real-time quantitative reverse transcription polymerase chain reactions. Association between HULC levels and clinicopathological factors and patients prognosis was also analyzed...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28053137/activation-of-cecr1-in-m2-like-tams-promotes-paracrine-stimulation-mediated-glial-tumor-progression
#20
Changbin Zhu, Dana Mustafa, Ping-Pin Zheng, Marcel van der Weiden, Andrea Sacchetti, Maarten Brandt, Ihsan Chrifi, Dennie Tempel, Pieter J M Leenen, Dirk Jan Duncker, Caroline Cheng, Johan M Kros
BACKGROUND: The majority of glioma-associated microglia/macrophages have been identified as M2-type macrophages with immune suppressive and tumor supportive action. Recently, the extracellular adenosine deaminase protein Cat Eye Syndrome Critical Region Protein 1 (CECR1) was shown to regulate macrophage maturation. In this study, we investigate the role of CECR1 in the regulation of the glioma-associated macrophage response. METHODS: Expression of CECR1 was assessed in human glioma samples...
January 3, 2017: Neuro-oncology
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