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https://www.readbyqxmd.com/read/29775749/a-novel-oncogene-urg4-urgcp-and-its-role-in-cancer
#1
REVIEW
Yavuz Dodurga, Mücahit Seçme, N Lale Şatıroğlu-Tufan
Oncogenes are mutated form of normal cellular genes called as proto-oncogenes and conduce to the cancer development process. Despite the fact that so many genes have been described, new genes with oncogenic characteristic and potential or tumor supressoring activity are still being defined. Recently, Up-regulated gene 4/Upregulator of cell proliferation (URG4/URGCP), a novel gene, induced by hepatitis-Bvirus-encoded X antigen (HBxAg), has been identified. URG4/URGCP gene was registered to the National Center for Biotechnology Information-GenBank (NCBI-GenBank, Entrez GeneID: 55665 and Entrez Nucleotide ID NM_017920)...
May 15, 2018: Gene
https://www.readbyqxmd.com/read/29774871/-progression-of-basic-research-clinical-application-of-photodynamic-therapy-and-fluorescence-guided-surgery-in-glioma-treatment
#2
Xuegang Li, Hua Feng, Fei Li
The prognosis of glioma remains poor because of the infiltrative nature and the high local relapse rate. The current goals for patients with gliomas is maximal safe resection and adjuvant therapy. Tumor-specific photosensitizer, such as hematoporphyrin derivative (HpD) 5-aminolevulinic acid (5-ALA), can be selective up-taken and accumulated in tumor tissue. Light with appropriate wavelength can penetrate tumor tissue and excite the photosensitizer. The excited photosensitizer within glioma cells permits fluorescence visualization of tumor tissue during surgery and has been introduced in treatment of glioma as fluorescence-guided surgery (FGS)...
April 28, 2018: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29774498/microrna-1231-exerts-a-tumor-suppressor-role-through-regulating-the-egfr-pi3k-akt-axis-in-glioma
#3
Jiale Zhang, Jie Zhang, Wenjin Qiu, Jian Zhang, Yangyang Li, Enjun Kong, Ailin Lu, Jia Xu, Xiaoming Lu
PURPOSE: MicroRNAs (miRNAs) have been shown to be involved in the initiation and progression of glioma. However, the underlying molecular mechanisms are still unclear. METHODS: We performed microarray analysis to evaluate miRNA expression levels in 158 glioma tissue samples, and examined miR-1231 levels in glioma samples and healthy brain tissues using qRT-PCR. In vitro analyses were performed using miR-1231 mimics, inhibitors, and siRNA targeting EGFR. We used flow cytometry, CCK-8 assays, and colony formation assays to examine glioma proliferation and cell cycle analysis...
May 17, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29773872/computational-identification-of-specific-genes-for-glioblastoma-stem-like-cells-identity
#4
Giulia Fiscon, Federica Conte, Valerio Licursi, Sergio Nasi, Paola Paci
Glioblastoma, the most malignant brain cancer, contains self-renewing, stem-like cells that sustain tumor growth and therapeutic resistance. Identifying genes promoting stem-like cell differentiation might unveil targets for novel treatments. To detect them, here we apply SWIM - a software able to unveil genes (named switch genes) involved in drastic changes of cell phenotype - to public datasets of gene expression profiles from human glioblastoma cells. By analyzing matched pairs of stem-like and differentiated glioblastoma cells, SWIM identified 336 switch genes, potentially involved in the transition from stem-like to differentiated state...
May 17, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29771423/effect-of-downregulated-lncrna-nbat1-on-the-biological-behavior-of-glioblastoma-cells
#5
J Liu, W-M Wang, X-L Zhang, Q-H Du, H-G Li, Y Zhang
OBJECTIVE: To investigate the expression of lncRNA neuroblastoma associated transcript 1 (NBAT1) in human glioma cell lines and its underlying mechanism. Effect of NBAT1 on biological behaviors of T98 and U87 cells are also explored. PATIENTS AND METHODS: The mRNA expressions of NBAT1 in 48 cases of glioblastoma tissues and 30 cases of normal brain tissues were accessed by Real-time fluorescence quantitative PCR (RT-PCR). The relationship between mRNA expression of NBAT1 and tumor size, malignancy, and prognosis were analyzed...
May 2018: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/29770114/extracts-of-artocarpus-communis-induce-mitochondria-associated-apoptosis-via-pro-oxidative-activity-in-human-glioblastoma-cells
#6
Chiang-Wen Lee, Lee-Fen Hsu, Ming-Hsueh Lee, I-Ta Lee, Ju-Fang Liu, Yao-Chang Chiang, Ming-Horng Tsai
Glioblastoma multiforme (GBM) is an extremely aggressive and devastating malignant tumor in the central nervous system. Its incidence is increasing and the prognosis is poor. Artocarpin is a natural prenylated flavonoid with various anti-inflammatory and anti-tumor properties. Studies have shown that artocarpin is associated with cell death of primary glioblastoma cells. However, the in vivo effects and the cellular and molecular mechanisms modulating the anticancer activities of artocarpin remain unknown. In this study, we demonstrated that treating the glioblastoma cell lines U87 and U118 cells with artocarpin induced apoptosis...
2018: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/29769161/nlrp3-promotes-glioma-cell-proliferation-and-invasion-via-the-interleukin-1%C3%AE-nf-%C3%AE%C2%BAb-p65-signals
#7
Liping Xue, Bin Lu, Bibo Gao, Yangyang Shi, Jingqi Xu, Rui Yang, Bo Xu, Peng Ding
Due to the characteristics of high invasiveness, relapse and poor prognosis, the management of malignant gliomas has always been a great challenge. Nod-like receptor (NLR) family pyrin domain containing 3 (NLRP3) is a crucial component of the NLRP3 inflammasome, a multiprotein complex that can triggercaspase-1/interleukin-1 (IL-1) mediated inflammatory response once activated and participates in the pathogeny of diverse inflammatory diseases as well as cancers. Herein, we examined the function of NLRP3 in the development of glioma...
May 16, 2018: Oncology Research
https://www.readbyqxmd.com/read/29758120/concomitant-administration-of-radiation-with-eribulin-improves-the-survival-of-mice-harboring-intracerebral-glioblastoma
#8
Shunichiro Miki, Shoji Imamichi, Hiroaki Fujimori, Arata Tomiyama, Kenji Fujimoto, Kaishi Satomi, Yuko Matsushita, Sanae Matsuzaki, Masamichi Takahashi, Eiichi Ishikawa, Tetsuya Yamamoto, Akira Matsumura, Akitake Mukasa, Ryo Nishikawa, Kenkichi Masutomi, Yoshitaka Narita, Mitsuko Masutani, Koichi Ichimura
Glioblastoma is the most common and devastating type of malignant brain tumor. We recently found that eribulin suppresses glioma growth in vitro and in vivo and that eribulin is efficiently transferred into mouse brain tumors at a high concentration. Eribulin is a non-taxane microtubule inhibitor approved for breast cancer and liposarcoma. Cells arrested in M-phase by chemotherapeutic agents such as microtubule inhibitors are highly sensitive to radiation-induced DNA damage. Several recent case reports demonstrated the clinical benefits of eribulin combined with radiation therapy for metastatic brain tumors...
May 14, 2018: Cancer Science
https://www.readbyqxmd.com/read/29756546/sinomenine-induces-g1-phase-cell-cycle-arrest-and-apoptosis-in-malignant-glioma-cells-via-downregulation-of-sirtuin-1-and-induction-of-p53-acetylation
#9
Xiaoyan He, Mayinur Maimaiti, Yan Jiao, Xuegang Meng, Hongyan Li
Sinomenine, a bioactive alkaloid isolated from the traditional Chinese herb Sinomenium acutum, possesses antiinflammatory, antinociceptive, antifibrotic, and antitumorigenic properties. In this work, we sought to explore the biological effects of sinomenine on glioma cells. It was found that sinomenine caused a concentration-dependent inhibition of viability in both U87 and U251 glioma cells. Sinomenine at 16 μmol/L caused 55% to 60% reduction in the proliferation of U87 and U251 cells. Moreover, sinomenine treatment induced a G0/G1 cell cycle arrest and apoptosis...
January 1, 2018: Technology in Cancer Research & Treatment
https://www.readbyqxmd.com/read/29752148/malignant-primary-diffuse-leptomeningeal-gliomatosis-with-histone-h3-3-k27m-mutation
#10
C Champeaux, A Drier, B Devaux, A Tauziède-Espariat
INTRODUCTION: Malignant primary diffuse leptomeningeal gliomatosis (MPDLG) are rare central nervous system neoplasms associated with a poor outcome. CASE REPORT: We report the case of a 40-year-old woman who presented with unusual worsening of bilateral sciatica, headaches, diplopia and a left proptosis. MRI of the head and spine showed multiple leptomeningeal lesions with no intra parenchymal involvement. The search for a primary tumor was negative. An open surgical biopsy of the prominent intradural lumbar tumor was performed within a week...
May 8, 2018: Neuro-Chirurgie
https://www.readbyqxmd.com/read/29750313/cross-link-regulation-of-precursor-n-cadherin-and-fgfr1-by-gdnf-increases-u251mg-cell-viability
#11
Chuan-Xi Tang, Yan-Xia Gu, Xin-Feng Liu, Shu-Yan Tong, Abiola A Ayanlaja, Yue Gao, Guang-Quan Ji, Ye Xiong, Lin-Yan Huang, Dian-Shuai Gao
Glial cell line-derived neurotrophic factor (GDNF) is considered to be involved in the development of glioma. However, uncovering the underlying mechanism of the proliferation of glioma cells is a challenging work in progress. We have identified the binding of the precursor of N-cadherin (proN-cadherin) and GDNF on the cell membrane in previous studies. In the present study, we observed increased U251 Malignant glioma (U251MG) cell viability by exogenous GDNF (50 ng/ml). We also confirmed that the high expression of the proN-cadherin was stimulated by exogenous GDNF...
April 30, 2018: Oncology Reports
https://www.readbyqxmd.com/read/29747666/survival-of-rats-bearing-advanced-intracerebral-f-98-tumors-after-glutathione-depletion-and-microbeam-radiation-therapy-conclusions-from-a-pilot-project
#12
E Schültke, E Bräuer-Krisch, H Blattmann, H Requardt, J A Laissue, G Hildebrandt
BACKGROUND: Resistance to radiotherapy is frequently encountered in patients with glioblastoma multiforme. It is caused at least partially by the high glutathione content in the tumour tissue. Therefore, the administration of the glutathione synthesis inhibitor Buthionine-SR-Sulfoximine (BSO) should increase survival time. METHODS: BSO was tested in combination with an experimental synchrotron-based treatment, microbeam radiation therapy (MRT), characterized by spatially and periodically alternating microscopic dose distribution...
May 10, 2018: Radiation Oncology
https://www.readbyqxmd.com/read/29747444/mitochondria-transcription-factor-a-a-putative-target-for-the-effect-of-melatonin-on-u87mg-malignant-glioma-cell-line
#13
Daiane G Franco, Isabele F Moretti, Suely K N Marie
The disruption of mitochondrial activity has been associated with cancer development because it contributes to regulating apoptosis and is the main source of reactive oxygen species (ROS) production. Mitochondrial transcription factor A (TFAM) is a protein that maintains mitochondrial DNA (mtDNA) integrity, and alterations in its expression are associated with mitochondrial damage and cancer development. In addition, studies have shown that mitochondria are a known target of melatonin, the pineal gland hormone that plays an important anti-tumorigenic role...
May 9, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/29747239/mir-4725-3p-targeting-stim1-signaling-is-involved-in-xanthohumol-inhibition-of-glioma-cell-invasion
#14
Kuo-Hao Ho, Cheng-Kuei Chang, Peng-Hsu Chen, Yu-Jia Wang, Wei-Chiao Chang, Ku-Chung Chen
Glioblastoma multiforme (GBM) is the most common brain tumor in adults. Due to its highly invasive nature, it is not easy to treat, resulting in high mortality rates. Stromal interacting molecule 1 (Stim1) plays important roles in regulating store-operated Ca2+ entry (SOCE), and controls invasion by cancer cells. However, the mechanisms and functions of Stim1 in glioma progression are still unclear. In this study, we investigated the effects of targeting Stim1 expression on glioma cell invasion. By analyzing profiles of GBM patients from RNA-sequencing data in The Cancer Genome Atlas (TCGA), higher expression levels of STIM1 were correlated with the poor survival...
May 10, 2018: Journal of Neurochemistry
https://www.readbyqxmd.com/read/29746652/malignant-melanoma-metastatic-to-oligodendroglioma-case-report-and-literature-review-of-tumor-to-tumor-metastasis-to-gliomas
#15
Alexandra Giantini Larsen, Benjamin L Grannan, Christine K Lee, Matthew J Koch, Erik A Williams, Matthew P Frosch, Daniel P Cahill
Tumor-to-tumor metastasis is an uncommon phenomenon, and a metastasis from an extracranial donor tumor to an intracranial recipient tumor is extremely rare. In particular, there are only 14 cases reported in the literature that describe a tumor-to-tumor metastasis involving a glioma. We present a rare case of an 83-year-old man with an 11-year history of lentigo maligna melanoma who presented with impaired balance and cognitive slowing and was found to have rapid progression of a previously known indolent right frontal brain mass...
May 8, 2018: Journal of Neuropathology and Experimental Neurology
https://www.readbyqxmd.com/read/29746225/clinical-radiologic-pathologic-and-molecular-characteristics-of-long-term-survivors-of-diffuse-intrinsic-pontine-glioma-dipg-a-collaborative-report-from-the-international-and-european-society-for-pediatric-oncology-dipg-registries
#16
Lindsey M Hoffman, Sophie E M Veldhuijzen van Zanten, Niclas Colditz, Joshua Baugh, Brooklyn Chaney, Marion Hoffmann, Adam Lane, Christine Fuller, Lili Miles, Cynthia Hawkins, Ute Bartels, Eric Bouffet, Stewart Goldman, Sarah Leary, Nicholas K Foreman, Roger Packer, Katherine E Warren, Alberto Broniscer, Mark W Kieran, Jane Minturn, Melanie Comito, Emmett Broxson, Chie-Schin Shih, Soumen Khatua, Murali Chintagumpala, Anne Sophie Carret, Nancy Yanez Escorza, Timothy Hassall, David S Ziegler, Nicholas Gottardo, Hetal Dholaria, Renee Doughman, Martin Benesch, Rachid Drissi, Javad Nazarian, Nada Jabado, Nathalie Boddaert, Pascale Varlet, Géraldine Giraud, David Castel, Stephanie Puget, Chris Jones, Esther Hulleman, Piergiorgio Modena, Marzia Giagnacovo, Manila Antonelli, Torsten Pietsch, Gerrit H Gielen, David T W Jones, Dominik Sturm, Stefan M Pfister, Nicolas U Gerber, Michael A Grotzer, Elke Pfaff, André O von Bueren, Darren Hargrave, Guirish A Solanki, Filip Jadrijevic Cvrlje, Gertjan J L Kaspers, William P Vandertop, Jacques Grill, Simon Bailey, Veronica Biassoni, Maura Massimino, Raphaël Calmon, Esther Sanchez, Brigitte Bison, Monika Warmuth-Metz, James Leach, Blaise Jones, Dannis G van Vuurden, Christof M Kramm, Maryam Fouladi
Purpose Diffuse intrinsic pontine glioma (DIPG) is a brainstem malignancy with a median survival of < 1 year. The International and European Society for Pediatric Oncology DIPG Registries collaborated to compare clinical, radiologic, and histomolecular characteristics between short-term survivors (STSs) and long-term survivors (LTSs). Materials and Methods Data abstracted from registry databases included patients from North America, Australia, Germany, Austria, Switzerland, the Netherlands, Italy, France, the United Kingdom, and Croatia...
May 10, 2018: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/29745440/overexpression-of-shcbp1-promotes-migration-and-invasion-in-gliomas-by-activating-the-nf-%C3%AE%C2%BAb-signaling-pathway
#17
Yanqing Zhou, Zhanyao Tan, Kun Chen, Wenjiao Wu, Jinrong Zhu, Geyan Wu, Lixue Cao, Xin Zhang, Xin Zeng, Jun Li, Wei Zhang
Gliomas are common, aggressive central nervous system tumors with poor overall survival rates. Despite improvements in neurosurgery, chemotherapy and radiotherapy, the outcomes of patients with malignant gliomas remain poor. Therefore, increased knowledge of the molecular mechanisms that regulate glioma progression is crucial to identify novel therapeutic targets. Here, we reported that SHCBP1, a member of Src homolog and collagen homolog (Shc) family, was significantly overexpressed in glioma tissues and glioma cell lines compared to the corresponding normal tissues and cells...
May 10, 2018: Molecular Carcinogenesis
https://www.readbyqxmd.com/read/29745085/significance-of-nuclear-magnetic-resonance-combined-with-ki-67-and-vegf-detection-in-the-diagnosis-and-prognosis-evaluation-of-brain-glioma
#18
Xuexia Yuan, Deguo Liu, Yanhui Wang, Xiaoxia Li
PURPOSE: To investigate the significance of nuclear magnetic resonance (NMR) combined with Ki-67 and vascular endothelial growth factor (VEGF) detection in the diagnosis and prognosis evaluation of brain glioma. METHODS: 78 patients with brain glioma treated at the Affiliated Hospital of Jining Medical University from January 2015 to August 2017 were studied. All patients underwent the NMR diffusion tensor imaging examination. The expressions of Ki-67 and VEGF in brain glioma tissues were detected using immunohistochemistry and survival analyses were performed for patients in high apparent diffusion coefficient (ADC) group and low ADC group, high-expression Ki-67 and VEGF group and low-expression Ki-67 and VEGF group before treatment...
March 2018: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/29743446/photodynamic-therapy-using-talaporfin-sodium-induces-heme-oxygenase-1-expression-in-rat-malignant-meningioma-kmy-j-cells
#19
Tsutomu Takahashi, Saki Suzuki, Suzuka Misawa, Jiro Akimoto, Yo Shinoda, Yasuyuki Fujiwara
Photodynamic therapy (PDT) using talaporfin sodium (TS) is tumor cell-selective less invasive therapy for the treatment of malignant glioma. We previously demonstrated that PDT using TS (TS-PDT) treatment exhibits anti-tumor activity against not only glioblastoma cells but also malignant meningioma cells. In general, various stress response proteins have been reported to affect the sensitivity determination for anticancer agents against tumor cells. However, the relationship between the therapeutic effect of TS-PDT and stress response systems in tumor cells is not adequately investigated...
2018: Journal of Toxicological Sciences
https://www.readbyqxmd.com/read/29742885/malignant-brain-tumours-in-children-present-and-future-perspectives
#20
REVIEW
James T Rutka
In contrast to many of the malignant tumors that occur in the central nervous system in adults, the management, responses to therapy, and future perspectives of children with malignant lesions of the brain hold considerable promise. Within the past 5 years, remarkable progress has been made with our understanding of the basic biology of the molecular genetics of several pediatric malignant brain tumors including medulloblastoma, ependymoma, atypical teratoid rhabdoid tumour, and high grade glioma/diffuse intrinsic pontine glioma...
May 2018: Journal of Korean Neurosurgical Society
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