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https://www.readbyqxmd.com/read/28506481/peri-and-intraoperative-cognitive-and-language-assessment-for-surgical-resection-in-brain-eloquent-structures
#1
G Herbet, O Rigaux-Viodé, S Moritz-Gasser
Neuropsychological care of patients suffering from an infiltrative glioma and candidates for a neurosurgery under awake condition with intraoperative functional mapping is a critical and mandatory stage in therapeutic management. It enables to estimate the functional impact of the tumor and, consequently, the efficacy of functional reorganization typically observed in these patients, not only to better predict surgery outcomes and select appropriate tasks for intraoperative functional mapping, but also to plan efficient and individualized postoperative cognitive rehabilitation strategies...
May 12, 2017: Neuro-Chirurgie
https://www.readbyqxmd.com/read/28498444/high-expression-of-pftk1-in-cancer-cells-predicts-poor-prognosis-in-colorectal-cancer
#2
Youjun Mao, Yuqing Jia, Huijun Zhu, Wei Wang, Qin Jin, Fang Huang, Shu Zhang, Xiaoqiang Li
The serine/threonine-protein kinase PFTAIRE 1 (PFTK1) is a member of the cyclin‑dependent kinase family that is highly expressed in several malignant tumors, including hepatocellular carcinoma, esophageal, breast and gastric cancers, and glioma. It contributes to tumor progression and influences tumor prognosis. However, the expression and clinicopathological significance of PFTK1 in human colorectal cancer (CRC) remain to be elucidated. The present study aimed to examine the expression of PFTK1 and to evaluate the clinical significance of its expression in human CRC...
May 10, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28497694/stapled-rgd-peptide-enables-glioma-targeted-drug-delivery-by-overcoming-multiple-barriers
#3
Huitong Ruan, Xishan Chen, Cao Xie, Beibei Li, Man Ying, Yu Liu, Mingfei Zhang, Xuesai Zhang, Changyou Zhan, Wuyuan Lu, Weiyue Lu
Malignant glioma, the most frequent and aggressive central nervous system (CNS) tumor, severely threatens human health. One reason for its poor prognosis and short survival is the presence of the blood-brain barrier (BBB) and blood-brain tumor barrier (BBTB), which restrict the penetration of therapeutics into the brain at different stages of glioma. Herein, inspired by the peptide stapling technique, we designed a cyclic RGD ligand via an all-hydrocarbon staple (stapled RGD, sRGD) to facilitate BBB penetration while retaining the capacity of BBTB penetration and targeting ability to glioma cells...
May 18, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28475008/a-novel-serum-microrna-based-identification-and-classification-biomarker-of-human-glioma
#4
Wenli Xing, Chun Zeng
Malignant glioma is one of the most common primary brain tumors that develop via multiple pathways and gene deregulation. MicroRNAs are involved in human cancer development and progression, and their serum expression profiles of glioma patients may be useful for classifying cancers. However, the profile and molecular mechanism of serum microRNAs for human glioma are poorly understood. Thus, it is crucial to analyze microRNA expression in human glioma serum to identify molecular subclasses and early stage of glioma...
May 2017: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/28474122/survey-on-current-cognitive-practices-within-the-european-low-grade-glioma-network-towards-a-european-assessment-protocol
#5
Adrià Rofes, Emmanuel Mandonnet, John Godden, Marie Hélène Baron, Henry Colle, Amelie Darlix, Vânia de Aguiar, Hugues Duffau, Guillaume Herbet, Martin Klein, Vincent Lubrano, Juan Martino, Ryan Mathew, Gabriele Miceli, Sylvie Moritz-Gasser, Johan Pallud, Costanza Papagno, Fabien Rech, Erik Robert, Geert-Jan Rutten, Thomas Santarius, Djaina Satoer, Joanna Sierpowska, Anja Smits, Miran Skrap, Giannantonio Spena, Evy Visch, Elke De Witte, Maria Zetterling, Michel Wager
BACKGROUND: The European Low-Grade Glioma network indicated a need to better understand common practices regarding the managing of diffuse low-grade gliomas. This area has experienced great advances in recent years. METHOD: A general survey on the managing of diffuse low-grade gliomas was answered by 21 centres in 11 European countries. Here we focused on specific questions regarding perioperative and intraoperative cognitive assessments. RESULTS: More centres referred to the same speech and language therapist and/or neuropsychologist across all assessments; a core of assessment tools was routinely used across centres; fluency tasks were commonly used in the perioperative stages, and object naming during surgery; tasks that tapped on attention, executive functions, visuospatial awareness, calculation and emotions were sparsely administered; preoperative assessments were performed 1 month or 1 week before surgery; timing for postoperative assessments varied; finally, more centres recommended early rehabilitation, whenever needed...
May 4, 2017: Acta Neurochirurgica
https://www.readbyqxmd.com/read/28472964/reliability-and-validity-of-the-sf-36-health-survey-questionnaire-in-patients-with-brain-tumors-a-cross-sectional-study
#6
Adomas Bunevicius
BACKGROUND: Deterioration of health related quality of life (HRQoL) is common in brain tumor patients. This study evaluated validity and reliability of the Medical Outcomes Study 36-Item Short Form (SF-36) in patients with brain tumors. METHODS: Two hundred and seventy-seven patients admitted for brain tumor surgery were evaluated for HRQoL (SF-36 questionnaire); depressive symptoms (Beck Depression Inventory-II or BDI-II); and functional status (Barthel index or BI)...
May 4, 2017: Health and Quality of Life Outcomes
https://www.readbyqxmd.com/read/28458684/modeling-the-attractor-landscape-of-disease-progression-a-network-based-approach
#7
Atefeh Taherian Fard, Mark A Ragan
Genome-wide regulatory networks enable cells to function, develop, and survive. Perturbation of these networks can lead to appearance of a disease phenotype. Inspired by Conrad Waddington's epigenetic landscape of cell development, we use a Hopfield network formalism to construct an attractor landscape model of disease progression based on protein- or gene-correlation networks of Parkinson's disease, glioma, and colorectal cancer. Attractors in this landscape correspond to normal and disease states of the cell...
2017: Frontiers in Genetics
https://www.readbyqxmd.com/read/28451993/key-rates-for-the-grades-and-transformation-ability-of-glioma-model-simulations-and-clinical-cases
#8
Elizabeth Scribner, James R Hackney, Hannah C Machemehl, Reina Afiouni, Krishna R Patel, Hassan M Fathallah-Shaykh
Tumor progression to higher grade is a fundamental property of cancer. The malignant advancement of the pathological features may either develop during the later stages of cancer growth (natural evolution) or it may necessitate new mutations or molecular events that alter the rates of growth, dispersion, or neovascularization (transformation). Here, we model the pathological and radiological features of grades 2-4 gliomas at the times of diagnosis and death and study grade development and the progression to higher grades...
April 27, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28431605/global-brain-atrophy-and-metabolic-dysfunction-in-lgi1-encephalitis-a-prospective-multimodal-mri-study
#9
Monika Szots, Morten Blaabjerg, Gergely Orsi, Pernille Iversen, Daniel Kondziella, Camilla G Madsen, Ellen Garde, Peter O Magnusson, Peter Barsi, Ferenc Nagy, Hartwig R Siebner, Zsolt Illes
BACKGROUND: Chronic cognitive deficits are frequent in leucin-rich glioma-inactivated 1 protein (LGI1) encephalitis. We examined structural and metabolic brain abnormalities following LGI1 encephalitis and correlated findings with acute and follow-up clinical outcomes. METHODS: Nine patients underwent prospective multimodal 3 Tesla MRI 33.1±18months after disease onset, including automated volumetry, diffusion tensor imaging (DTI) and magnetic resonance spectroscopy (MRS)...
May 15, 2017: Journal of the Neurological Sciences
https://www.readbyqxmd.com/read/28427970/structured-evaluation-of-glioma-patients-by-an-occupational-therapist-is-our-clinical-examination-enough
#10
Christian Franz Freyschlag, Johannes Kerschbaumer, Daniel Pinggera, Gabriele Bacher, Claudius Thomé
BACKGROUND: Preservation of neurological function is mandatory when offering a surgical intervention to patients with low-grade gliomas (LGG), given that the goal of any treatment is the patient's return to their normal everyday life. OBJECTIVE: To determine whether a structured evaluation by an occupational therapist can reveal deficits that might be overseen in routine clinical examination of patients with a surgically treated LGG. METHODS: 20 patients with radiographically suspected LGG have been examined in a standardized fashion at three stages: pre-, postoperatively and three months thereafter...
April 17, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/28423683/the-potential-roles-of-aquaporin-4-in-malignant-gliomas
#11
REVIEW
Yu-Long Lan, Xun Wang, Jia-Cheng Lou, Xiao-Chi Ma, Bo Zhang
Aquaporin 4 (AQP4) is the major water channel expressed in the central nervous system and is primarily expressed in astrocytes. Recently, accumulated evidence has pointed to AQP4 as a key molecule that could play a critical role in glioma development. Discoveries of the role of AQP4 in cell migration suggest that AQP4 could be a significant factor regarding glioma malignancies. However, the AQP4 expression levels in glioma have not been fully elucidated; furthermore, the correlation of AQP4 expression with glioma malignancy remains controversial...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28415661/specific-amplifications-and-copy-number-decreases-during-human-neural-stem-cells-differentiation-towards-astrocytes-neurons-and-oligodendrocytes
#12
Ulrike Fischer, Ella Kim, Andreas Keller, Eckart Meese
There is growing evidence that gene amplifications are an attribute of normal cells during development and differentiation. During neural progenitor cell differentiation half of the genome is involved in amplification process. To answer the question how specific amplifications occur at different stages and in different lineages of differentiation we analyzed the genes CDK4, MDM2, EGFR, GINS2, GFAP, TP53, DDB1 and MDM4 in human neural stem cells that were induced to differentiate towards astrocytes, neurons and oligodendrocytes...
April 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28410200/snord47-a-box-c-d-snorna-suppresses-tumorigenesis-in-glioblastoma
#13
Bin Xu, Min-Hua Ye, Shi-Gang Lv, Qi-Xue Wang, Miao-Jing Wu, Bing Xiao, Chun-Sheng Kang, Xin-Gen Zhu
SNORD47 is a member of the C/D box small nucleolar RNAs, which have been implicated in cancer development. We intended to investigate the therapeutic potential of SNORD47 in glioma. We found that the expression of SNORD47 was downregulated in glioma tissues samples and inversely associated with advanced tumor stage (WHO grade IV). Kaplan-Meier survival analysis revealed that glioma patients with high SNORD47 expression had longer overall survival than those with low SNORD47 expression. SNORD47 suppressed the proliferation of glioma cells and induced G2 phase arrest...
March 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28401060/therapeutic-targeting-of-histone-modifications-in-adult-and-pediatric-high-grade-glioma
#14
REVIEW
Maria J Williams, Will G B Singleton, Stephen P Lowis, Karim Malik, Kathreena M Kurian
Recent exciting work partly through The Cancer Genome Atlas has implicated epigenetic mechanisms including histone modifications in the development of both pediatric and adult high-grade glioma (HGG). Histone lysine methylation has emerged as an important player in regulating gene expression and chromatin function. Lysine (K) 27 (K27) is a critical residue in all seven histone 3 variants and the subject of posttranslational histone modifications, as it can be both methylated and acetylated. In pediatric HGG, two critical single-point mutations occur in the H3F3A gene encoding the regulatory histone variant H3...
2017: Frontiers in Oncology
https://www.readbyqxmd.com/read/28394434/case-control-study-on-occupational-exposure-to-extremely-low-frequency-electromagnetic-fields-and-glioma-risk
#15
Michael Carlberg, Tarmo Koppel, Mikko Ahonen, Lennart Hardell
BACKGROUND: Exposure to extremely low-frequency electromagnetic fields (ELF-EMF) was in 2002 classified as a possible human carcinogen, Group 2B, by the International Agency for Research on Cancer at WHO. METHODS: Life time occupations were assessed in case-control studies during 1997-2003 and 2007-2009. An ELF-EMF Job-Exposure Matrix was used for associating occupations with ELF exposure (μT). Cumulative exposure (μT-years), average exposure (μT), and maximum exposed job (μT) were calculated...
April 10, 2017: American Journal of Industrial Medicine
https://www.readbyqxmd.com/read/28391601/retrospective-evaluation-of-cerebral-tumors-resect-a-clinical-database-of-pre-operative-mri-and-intra-operative-ultrasound-in-low-grade-glioma-surgeries
#16
Yiming Xiao, Maryse Fortin, Geirmund Unsgård, Hassan Rivaz, Ingerid Reinertsen
PURPOSE: The advancement of medical image processing techniques, such as image registration, can effectively help improve the accuracy and efficiency of brain tumor surgeries. However, it is often challenging to validate these techniques with real clinical data due to the rarity of such publicly available repositories. ACQUISITION AND VALIDATION METHODS: Pre-operative magnetic resonance images (MRI), and intra-operative ultrasound (US) scans were acquired from 23 patients with low-grade glioma who underwent surgeries at St...
April 9, 2017: Medical Physics
https://www.readbyqxmd.com/read/28386351/inhibition-of-mir-630-enhances-the-cell-resistance-to-radiation-by-directly-targeting-cdc14a-in-human-glioma
#17
Lei Zhang, Chao Wang, Zhi-Xiao Xue
Radio-resistance becomes a large obstacle for effective cancer treatment. MicroRNAs (miRNAs) play important roles in response to radiation. However, the underlying mechanism of miR-630 on the radio-resistance of human glioma is less elucidated. In this study, we found that miR-630 was downregulated in glioma cell lines after radiation. MiR-630 inhibition enhanced the survival fraction, cell number in S stage and colony formation ability in glioma cells after radiation, while miR-630 overexpression resulted in inverse effects...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28370670/origin-and-characterization-of-alpha-smooth-muscle-actin-positive-cells-during-murine-lung-development
#18
Alena Moiseenko, Vahid Kheirollahi, Cho-Ming Chao, Negah Ahmadvand, Jennifer Quantius, Jochen Wilhelm, Susanne Herold, Katrin Ahlbrecht, Rory E Morty, Albert A Rizvanov, Parviz Minoo, Elie El Agha, Saverio Bellusci
ACTA2 expression identifies pulmonary airway and vascular smooth muscle cells (SMCs) as well as alveolar myofibroblasts (MYF). Mesenchymal progenitors expressing fibroblast growth factor 10 (Fgf10), Wilms tumor 1 (Wt1), or glioma-associated oncogene 1 (Gli1) contribute to SMC formation from early stages of lung development. However, their respective contribution and specificity to the SMC and/or alveolar MYF lineages remain controversial. In addition, the contribution of mesenchymal cells undergoing active WNT signaling remains unknown...
April 3, 2017: Stem Cells
https://www.readbyqxmd.com/read/28367093/bex2-promotes-tumor-proliferation-in-colorectal-cancer
#19
Yeting Hu, Qian Xiao, Haiyan Chen, Jinjie He, Yinuo Tan, Yue Liu, Zhanhuai Wang, Qi Yang, Xiangfeng Shen, Yu Huang, Ying Yuan, Kefeng Ding
BEX2 has been suggested to promote the tumor growth in breast cancer and glioblastoma, while inhibit the proliferation of glioma cells. Thus, the role of BEX2 in tumor was still in debate. Additionally, the biological functions of BEX2 in colorectal cancer (CRC) have not yet been clarified. Here, we reported that BEX2 was overexpressed in advanced CRC from both the GSE14333 database and fresh CRC tissue specimens, and positively correlated with clinical staging. Knockdown of BEX2 significantly decreased the in vitro proliferation of SW620 colorectal cancer cells, suppressed subcutaneous xenograft growth and enhanced the survival of mice with cecal tumors...
2017: International Journal of Biological Sciences
https://www.readbyqxmd.com/read/28358704/prevalence-of-neurotropic-viruses-in-malignant-glioma-and-their-onco-modulatory-potential
#20
Tadej Strojnik, Darja Duh, Tamara T Lah
BACKGROUND: the association between infectious agents and tumour aetiology is relevant in about 20% of cases. PATIENTS AND METHODS: We tested high-grade glioma tissues from 45 patients for the presence of viral nucleic acids of six herpes viruses, human adenoviruses (A-G), and two neurotropic human viruses (enteroviruses, tick-borne encephalitis virus). Real-time polymerase chain reaction was used with immunolabelling. RESULTS: Three species of herpes viruses were detected: HSV-2, Epstein-Barr virus (EBV), HHV-6, and one human enterovirus...
March 2017: In Vivo
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