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Malignant glioma

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https://www.readbyqxmd.com/read/28927109/disease-progression-patterns-of-bevacizumab-responders-with-recurrent-malignant-gliomas
#1
Ju-Hwi Kim, Tae-Young Jung, Eu Chang Hwang, Sung-Hoon Jung, Shin Jung, In-Young Kim, Woo-Youl Jang, Kyung-Sub Moon, Kyung-Hwa Lee, Seul-Kee Kim
Tumor progression in patients with recurrent malignant glioma who respond to bevacizumab (BEV) is difficult to assess. The current study reviewed the clinical and radiological results of patients following a BEV-based chemotherapy regimen, and evaluated disease progression patterns in patients who responded to BEV therapy. From August 2011 to November 2015, 24 patients (18 glioblastoma cases and 6 anaplastic astrocytoma cases) were treated with BEV-based chemotherapy. In total, 6 patients were treated with BEV alone and 18 patients were treated with BEV combined with irinotecan...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28925679/substance-p-mediated-dgls-complexing-with-dachpt-for-targeting-therapy-of-glioma
#2
Tao Sun, Xutao Jiang, Qingbing Wang, Qinjun Chen, Yifei Lu, Lisha Liu, Yu Zhang, Xi He, Chunhui Ruan, Yujie Zhang, Qin Guo, Yaohua Liu, Chen Jiang
Currently, glioblastoma (glioma) is described as the deadliest brain tumor for its invasive natural with exceeding difficulty in surgical excision. Blood-brain barrier (BBB) can restrict the penetration of most therapeutic reagents including platinum (Pt)-based drugs-the most widely used reagents in clinical trials for their revolutionized cancer chemotherapy against a broad range of tumors. Nanomedicine represents a promising strategy for the intravenous delivery of Pt-based drugs into the brain. In this research, with the aim of malignant glioma treatment by Pt-based drugs, a novel nano drug carrier was developed: dendrigraft poly-L-lysines (DGLs) was PEGylated, linked with diethylenetriaminpentaacetic acid (DTPA) to complex (1,2-diaminocyclohexane)platinum(II) (DACHPt), and modified with Substance P (SP) as a BBB/glioma dual-targeting moiety...
September 19, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28922732/physcion-8-o-%C3%AE-glucopyranosideregulates-cell-cycle-apoptosis-and-invasion-in-glioblastoma-cells-through-modulating-skp2
#3
Wen Li, Fuxia Li, Yanfang Zhu, Daqing Song
Glioblastoma multiforme (GBM) is the most common malignant glioma in the central nervous system. This study aimed to investigate the anti-tumor activity of physcion 8-O-β-glucopyranoside (PG) in GBM cells. This showed that PG could significantly block cell cycle progression, induce apoptosis, and suppress invasion in both model GBM cell lines (U87 and U251). At the molecular level, PG repressed the expression of S-phase kinase protein 2 (Skp2), which was responsible for the anti-tumor effect of PG in GBM cells...
September 14, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28921173/maximizing-safe-resections-the-roles-of-5-aminolevulinic-acid-and-intraoperative-mr-imaging-in-glioma-surgery-review-of-the-literature
#4
REVIEW
Eric Suero Molina, S Schipmann, W Stummer
Malignant glioma surgery involves the challenge of preserving the neurological status of patients harboring these lesions while pursuing a maximal tumor resection, which is correlated with overall and progression-free survival. Presently, several tools exist for assisting neurosurgeons in visualizing malignant tissue. Fluorescence-guided surgery (FGS) with 5-aminolevulinic acid (5-ALA) has increasingly been used during the last decade for identifying malignant glioma. Intraoperative magnetic resonance imaging (iMRI), first introduced in the mid-1990s, is being evaluated as a further tool to maximize the extent of resection...
September 18, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28919992/molecular-and-clinical-characterization-of-tim-3-in-glioma-through-1-024-samples
#5
Guanzhang Li, Zheng Wang, Chuanbao Zhang, Xing Liu, Jinquan Cai, Zhiliang Wang, Huimin Hu, Fan Wu, Zhaoshi Bao, Yanwei Liu, Liang Zhao, Tingyu Liang, Fan Yang, Ruoyu Huang, Wei Zhang, Tao Jiang
Background: Researches on immunotherapy of glioma has been increasing exponentially in recent years. However, autoimmune-like side effects of current immune checkpoint blockade hindered the clinical application of immunotherapy in glioma. The discovery of the TIM-3, a tumor-specific immune checkpoint, has shed a new light on solution of this dilemma. We aimed at investigating the role of TIM-3 at transcriptome level and its relationship with clinical practice in glioma. Methods: A cohort of 325 glioma patients with RNA-seq data from Chinese Glioma Genome Atlas (CGGA project) was analyzed, and the results were well validated in TCGA RNA-seq data of 699 gliomas...
2017: Oncoimmunology
https://www.readbyqxmd.com/read/28919779/nuclear-factor-kappa-b1-inhibits-early-apoptosis-of-glioma-cells-by-promoting-the-expression-of-bcl-2
#6
Tian-Quan Yang, Min Chen, Yong-Qiang Wang, Wei Xu, Yong Han, Jin Xu, Yong-Jun Xiang, Bin Yuan, Hang-Zhou Wang, You-Xin Zhou
Glioma is one of the most common types of adult primary brain tumors, and the underlying molecular mechanisms still remain unclear. Nuclear factor-kappa B1 (NF-κB1) is involved in a variety of malignancies and is widely expressed in malignant tumors. However, the expression of NF-κB1 in different grades of glioma, the correlation between NF-κB1 and Bcl-2 expressions in gliomas, and the research between NF-κB1 and early apoptosis of glioma cells have not been reported so far. In this study, the expression level of NF-κB1 in 31 human glioma tissues and six nonneoplastic brain tissues was determined using quantitative real-time polymerase chain reaction...
2017: OncoTargets and Therapy
https://www.readbyqxmd.com/read/28918564/mri-combined-with-pet-ct-of-different-tracers-to-improve-the-accuracy-of-glioma-diagnosis-a-systematic-review-and-meta-analysis
#7
REVIEW
Yihan Yang, Mike Z He, Tao Li, Xuejun Yang
Based on studies focusing on positron emission tomography (PET)-computed tomography (CT) combined with magnetic resonance imaging (MRI) in the diagnosis of glioma, we conducted a systematic review and meta-analysis evaluating the pros and cons and the accuracy of different examinations. PubMed and Cochrane Library were searched. The search was conducted until April 2017. Two reviewers independently conducted the literature search according to the criteria set initially. Based on the exclusion criteria, 15 articles are included in this study...
September 16, 2017: Neurosurgical Review
https://www.readbyqxmd.com/read/28917285/fluorescence-imaging-agents-in-tumor-resection
#8
REVIEW
Walter Stummer, Eric Suero Molina
Intraoperative fluorescence imaging allows real-time identification of diseased tissue during surgery without being influenced by brain shift and surgery interruption. 5-Aminolevulinic acid, useful for malignant gliomas and other tumors, is the most broadly explored compound approved for fluorescence-guided resection. Intravenous fluorescein sodium has recently received attention, highlighting tumor tissue based on extravasation at the blood-brain barrier (defective in many brain tumors). Fluorescein in perfused brain, unselective extravasation in brain perturbed by surgery, and propagation with edema are concerns...
October 2017: Neurosurgery Clinics of North America
https://www.readbyqxmd.com/read/28917252/stereotactic-radiosurgery-of-the-brain-a-review-of-common-indications
#9
Philip Gilbo, Isabella Zhang, Jonathan Knisely
Over the past half-century since Lars Leksell first utilized radiation to address deep and difficult to treat lesions of the central nervous system (CNS), intracranial stereotactic radiosurgery (SRS) has become an increasingly valued tool in the hands of neurosurgeons and radiation oncologists. Following developments in medical imaging and radiation technology, radiosurgery has evolved from its first application in movement disorders to widespread use for a varied range of malignant and benign conditions. SRS remains a powerful, minimally invasive instrument that offers additional options for intervention to a diverse patient population...
September 2017: Chinese Clinical Oncology
https://www.readbyqxmd.com/read/28915652/pld1-overexpression-promotes-invasion-and-migration-and-function-as-a-risk-factor-for-chinese-glioma-patients
#10
Wenjun Tang, Richu Liang, Yonghong Duan, Qiaoling Shi, Xiaofei Liu, Yongshi Liao
Glioma is a lethal disease with few effective therapeutic options. Recently, insights into cancer biology had suggested that abnormal lipid metabolism was a risk factor for various human malignancies, including glioma. As a key enzyme implicated in lipid metabolism, PLD1 was overexpression in multiple human cancers, and it was stated to be responsible for aggressive phenotypes, such as angiogenesis and chemoresistance. However, there was still much to know about its expression and function in glioma. In the present study, we showed that PLD1 was overexpression in clinical samples of glioma...
August 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28912890/glioma-dual-targeting-nanohybrid-protein-toxin-constructed-by-intein-mediated-site-specific-ligation-for-multistage-booster-delivery
#11
Yingzhi Chen, Meng Zhang, Hongyue Jin, Dongdong Li, Fan Xu, Aihua Wu, Jinyu Wang, Yongzhuo Huang
Malignant glioma is one of the most untreatable cancers because of the formidable blood-brain barrier (BBB), through which few therapeutics can penetrate and reach the tumors. Biologics have been booming in cancer therapy in the past two decades, but their application in brain tumor has long been ignored due to the impermeable nature of BBB against effective delivery of biologics. Indeed, it is a long unsolved problem for brain delivery of macromolecular drugs, which becomes the Holy Grail in medical and pharmaceutical sciences...
2017: Theranostics
https://www.readbyqxmd.com/read/28912488/gene-expression-and-methylation-analyses-suggest-dctd-as-a-prognostic-factor-in-malignant-glioma
#12
Huimin Hu, Zheng Wang, Mingyang Li, Fan Zeng, Kuanyu Wang, Ruoyu Huang, Haoyuan Wang, Fan Yang, Tingyu Liang, Hua Huang, Tao Jiang
Malignant glioma is the most common brain cancer with dismal outcomes. Individual variation of the patients' survival times is remarkable. Here, we investigated the transcriptome and promoter methylation differences between patients of malignant glioma with short (less than one year) and the patients with long (more than three years) survival in CGGA (Chinese Glioma Genome Atlas), and validated the differences in TCGA (The Cancer Genome Atlas) to identify the genes whose expression levels showed high concordance with prognosis of glioma patients, as well as played an important role in malignant progression...
September 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28912095/globularifolin-exerts-anticancer-effects-on-glioma-u87%C3%A2-cells-through-inhibition-of-akt-mtor-and-mek-erk-signaling-pathways-in-vitro-and-inhibits-tumor-growth-in-vivo
#13
Yunhu Yu, Xiaohong Fu, Qishan Ran, Kaihua Yang, Yuanchao Wen, Hang Li, Fei Wang
Gliomas are the most recurrently occurring primary malignancies in the central nervous system. Despite surgical interventions, chemo- and radiotherapy, the results are unfortunately poor. Therefore, there is pressing need to explore more effective and efficient treatment options for treatment of glioma. In the present study we determined the anticancer potential of globularifolin against human glioma U87 cell line and human astrocytes. The results showed that globularifolin exhibits an IC50 value of 7.5 μM against glioma U87 cells as against the IC50 of 65 μM against human astrocytes...
September 11, 2017: Biochimie
https://www.readbyqxmd.com/read/28903484/novel-role-of-fbxw7-circular-rna-in-repressing-glioma-tumorigenesis
#14
Yibing Yang, Xinya Gao, Maolei Zhang, Sheng Yan, Chengjun Sun, Feizhe Xiao, Nunu Huang, Xuesong Yang, Kun Zhao, Huangkai Zhou, Suyun Huang, Bo Xie, Nu Zhang
Background: Circular RNAs (circRNAs) are RNA transcripts that are widespread in the eukaryotic genome. Recent evidence indicates that circRNAs play important roles in tissue development, gene regulation, and carcinogenesis. However, whether circRNAs encode functional proteins remains elusive, although translation of several circRNAs was recently reported. Methods: CircRNA deep sequencing was performed by using 10 pathologically diagnosed glioblastoma samples and their paired adjacent normal brain tissues...
March 1, 2018: Journal of the National Cancer Institute
https://www.readbyqxmd.com/read/28903403/cofilin-1-and-phosphoglycerate-kinase-1-as-promising-indicators-for-glioma-radiosensibility-and-prognosis
#15
Wenbo Sun, Hua Yan, Chunfa Qian, Chenhan Wang, Mengjie Zhao, Yuchi Liu, Yujie Zhong, Hongyi Liu, Hong Xiao
Glioma is a primary malignancy in central nervous system. Radiotherapy has been used as one of the standard treatments for glioma for decades. Since radioresistance can reduce the curative efficacy of radiotherapy in glioma, investigating the cause of radioresistance and predicting the tumour radiosensibility appeared particularly important. We previously reported that CFL1 and PGK1 are over-expressed in radioresistant U251 glioma cells. In this study, the level of CFL1 and PGK1 of 113 glioma tissues were measured by ELISA method...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28901452/screening-critical-genes-associated-with-malignant-glioma-using-bioinformatics-analysis
#16
Yonggang Xu, Jie Wang, Yanbin Xu, Hong Xiao, Jianhua Li, Zhi Wang
Malignant gliomas are high‑grade gliomas, which are derived from glial cells in the spine or brain. To examine the mechanisms underlying malignant gliomas in the present study, the expression profile of GSE54004, which included 12 grade II astrocytomas, 33 grade III astrocytomas and 98 grade IV astrocytomas, was downloaded from the Gene Expression Omnibus. Using the Limma package in R, the differentially expressed genes (DEGs) in grade III, vs. grade II astrocytoma, grade IV, vs. grade II astrocytoma, and grade IV, vs...
September 12, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28901423/a-multi%C3%A2-targeted-tyrosine-kinase-inhibitor-lenvatinib-for-the-treatment-of-mice-with-advanced-glioblastoma
#17
Jia Li, Chang-Lin Zou, Zhi-Ming Zhang, Lian-Jie Lv, Hai-Bo Qiao, Xiu-Ju Chen
Glioblastoma is the most aggressive primary brain tumor that originates from the glial cells in adults. Aberrant angiogenesis is essential for malignant glioblastoma tumorigenesis, development and metastasis. Lenvatinib is a multi‑targeted anticancer agent that targets of receptor tyrosine kinases including vascular endothelial growth factor receptor 1 and 2, fibroblast growth factor receptor 1, platelet‑derived growth factor receptor β and v‑kit Hardy‑Zuckerman 4 feline sarcoma viral oncogene homolog...
September 11, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28895435/intranasal-delivery-of-stem-cell-based-therapies-for-the-treatment-of-brain-malignancies
#18
Gina Li, Nicolas Bonamici, Mahua Dey, Maciej S Lesniak, Irina V Balyasnikova
Glioblastoma (GBM) is the most aggressive malignant brain cancer in adults, and its poor prognosis and resistance to the existing standard of care require the development of innovative therapeutic modalities. The local delivery of stem cells as therapeutic carriers against glioma has produced encouraging results, but encounters obstacles with regards to the repeatability and invasiveness of administration. Intranasal delivery of therapeutic stem cells could overcome these obstacles, among others, as a noninvasive and easily repeatable mode of administration...
September 12, 2017: Expert Opinion on Drug Delivery
https://www.readbyqxmd.com/read/28890814/outcomes-and-complications-of-radiation-therapy-in-patients-with-familial-adenomatous-polyposis
#19
Meng Gan, Dustin Boothe, Deborah W Neklason, N Jewel Samadder, Jonathan Frandsen, Megan B Keener, Shane Lloyd
BACKGROUND: The outcomes, complications, and rates of secondary malignancies from radiation therapy (RT) are not known for patients with familial adenomatous polyposis (FAP). METHODS: We queried the Hereditary Gastrointestinal Cancer Registry (HGCR) for patients with FAP who received RT. Outcomes assessed included acute and late treatment toxicity and secondary malignancies. RESULTS: We identified 15 patients undergoing 18 treatment courses...
August 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28887134/decreased-non-specific-adhesivity-receptor-targeted-dart-nanoparticles-exhibit-improved-dispersion-cellular-uptake-and-tumor-retention-in-invasive-gliomas
#20
Aniket S Wadajkar, Jimena G Dancy, Nathan B Roberts, Nina P Connolly, Dudley K Strickland, Jeffrey A Winkles, Graeme F Woodworth, Anthony J Kim
The most common and deadly form of primary brain cancer, glioblastoma (GBM), is characterized by significant intratumoral heterogeneity, microvascular proliferation, immune system suppression, and brain tissue invasion. Delivering effective and sustained treatments to the invasive GBM cells intermixed with functioning neural elements is a major goal of advanced therapeutic systems for brain cancer. Previously, we investigated the nanoparticle characteristics that enable targeting of invasive GBM cells. This revealed the importance of minimizing non-specific binding within the relatively adhesive, 'sticky' microenvironment of the brain and brain tumors in particular...
September 5, 2017: Journal of Controlled Release: Official Journal of the Controlled Release Society
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