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Brain Cancer Research

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https://www.readbyqxmd.com/read/29774870/radiomics-in-gliomas-a-promising-assistance-for-glioma-clinical-research
#1
Yueshuang Leng, Xiaoyi Wang, Weihua Liao, Ya Cao
Gliomas are the most common brain primary tumors worldwide, which is the earliest sequenced cancer gene in the Cancer Genome Atlas (TCGA) project. The World Health Organization Classification Update of Central Nervous System (CNS) Tumors 2016 highlights that glioma is the first tumor classified based on both of the molecular markers and histology. Radiomics is an extraction approach for high-throughput data which collects the quantitative image information appearing. Combined imaging data with genomics and proteomics, radiomics show promising prediction for cancer diagnosis, treatment, and prognosis...
April 28, 2018: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/29774475/neuropsychological-profiles-of-breast-cancer-and-brain-tumor-cohorts-in-northeast-ontario-canada
#2
Matias Mariani, Mark William Glister Collins
PURPOSE: As developments in cancer treatment have improved outcomes, research has increasingly focused on the role of cancer-related cognitive impairment (CRCI) in quality of life for cancer survivors. Impairment profiles have been heterogeneous across studies, necessitating the study of these effects across different cohorts. The purpose of this preliminary study is to compare the memory profiles of Northeast Ontario breast and CNS cancer patients, as there is no literature which exists for profiling CRCI within this largely rural region...
May 17, 2018: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/29774132/natural-products-a-hope-for-glioblastoma-patients
#3
REVIEW
Raghupathy Vengoji, Muzafar A Macha, Surinder K Batra, Nicole A Shonka
Glioblastoma (GBM) is one of the most aggressive malignant tumors with an overall dismal survival averaging one year despite multimodality therapeutic interventions including surgery, radiotherapy and concomitant and adjuvant chemotherapy. Few drugs are FDA approved for GBM, and the addition of temozolomide (TMZ) to standard therapy increases the median survival by only 2.5 months. Targeted therapy appeared promising in in vitro monolayer cultures, but disappointed in preclinical and clinical trials, partly due to the poor penetration of drugs through the blood brain barrier (BBB)...
April 24, 2018: Oncotarget
https://www.readbyqxmd.com/read/29773120/age-specific-association-between-blood-pressure-and-vascular-and-non-vascular-chronic-diseases-in-0%C3%A2-5-million-adults-in-china-a-prospective-cohort-study
#4
Ben Lacey, Sarah Lewington, Robert Clarke, Xiang Ling Kong, Yiping Chen, Yu Guo, Ling Yang, Derrick Bennett, Fiona Bragg, Zheng Bian, Shaojie Wang, Hua Zhang, Junshi Chen, Robin G Walters, Rory Collins, Richard Peto, Liming Li, Zhengming Chen
BACKGROUND: The age-specific association between blood pressure and vascular disease has been studied mostly in high-income countries, and before the widespread use of brain imaging for diagnosis of the main stroke types (ischaemic stroke and intracerebral haemorrhage). We aimed to investigate this relationship among adults in China. METHODS: 512 891 adults (59% women) aged 30-79 years were recruited into a prospective study from ten areas of China between June 25, 2004, and July 15, 2008...
June 2018: Lancet Global Health
https://www.readbyqxmd.com/read/29770225/quality-of-life-of-irradiated-brain-tumor-survivors-treated-with-donepezil-or-placebo-results-of-the-wfu-ccop-research-base-protocol-91105
#5
Michelle J Naughton, L Douglas Case, Ann Peiffer, Michael Chan, Volker Stieber, Dennis Moore, Steven Falchuk, James Piephoff, William Edenfield, Jeffrey Giguere, Monica Loghin, Edward G Shaw, Stephen R Rapp
Background: The health-related quality of life (HRQL) and fatigue of brain cancer survivors treated with donepezil or placebo for cognitive symptoms after radiation therapy were examined. Methods: One hundred ninety-eight patients who completed >30 Gy fractionated whole or partial brain irradiation at least 6 months prior to enrollment were randomized to either placebo or donepezil (5 mg for 6 weeks followed by 10 mg for 18 weeks) in a phase 3 trial. A neurocognitive battery, the Functional Assessment of Cancer Therapy-Brain (FACT-Br) and the Functional Assessment of Chronic Illness Therapy (FACIT)-fatigue, was administered at baseline, 12 weeks, and 24 weeks...
May 2018: Neuro-oncology Practice
https://www.readbyqxmd.com/read/29769617/a-new-method-of-identifying-glioblastoma-subtypes-and-creation-of-corresponding-animal-models
#6
Xia Zhou, Gonghua Li, Sanqi An, Wen-Xing Li, Huihui Yang, Yicheng Guo, Zhi Dai, Shaoxing Dai, Junjuan Zheng, Jingfei Huang, Antonio Iavarone, Xudong Zhao
Glioblastoma (GBM) accounts for up to 50% of brain parenchymal tumors. It is the most malignant type of brain cancer with very poor survival and limited remedies. Cancer subtyping is important for cancer research and therapy. Here, we report a new subtyping method for GBM based on the genetic alterations of CDKN2A and TP53 genes. CDKN2A and TP53 are the most frequently mutated genes with mutation rates of 60 and 30%, respectively. We found that patients with deletion of CDKN2A possess worse survival than those with TP53 mutation...
May 17, 2018: Oncogene
https://www.readbyqxmd.com/read/29769005/adenosine-synthetic-methods-of-its-derivatives-and-antitumor-activity
#7
Margarita Gutierrez, Francisco Valdes, Victor Luna, Barbara Arevalo, Nelson Brown
Since 1929, several researchers have conducted studies in relation the nucleoside of adenosine (1) mainly distribution identifying, characterizing their biological importance and synthetic chemistry to which this type of molecule has been subjected to obtain multiple of its derivatives. The receptors that interact with adenosine and its derivatives, called purinergic receptors, are classified as A1, A2A, A2B and A3. In the presence of agonists and antagonists, these receptors are involved in various physiological processes and diseases...
May 16, 2018: Mini Reviews in Medicinal Chemistry
https://www.readbyqxmd.com/read/29767307/virus-vector-mediated-genetic-modification-of-brain-tumor-stromal-cells-after-intravenous-delivery
#8
Adrienn Volak, Stanley G LeRoy, Jeya Shree Natasan, David J Park, Pike See Cheah, Andreas Maus, Zachary Fitzpatrick, Eloise Hudry, Kelsey Pinkham, Sheetal Gandhi, Bradley T Hyman, Dakai Mu, Dwijit GuhaSarkar, Anat O Stemmer-Rachamimov, Miguel Sena-Esteves, Christian E Badr, Casey A Maguire
The malignant primary brain tumor, glioblastoma (GBM) is generally incurable. New approaches are desperately needed. Adeno-associated virus (AAV) vector-mediated delivery of anti-tumor transgenes is a promising strategy, however direct injection leads to focal transgene spread in tumor and rapid tumor division dilutes out the extra-chromosomal AAV genome, limiting duration of transgene expression. Intravenous (IV) injection gives widespread distribution of AAV in normal brain, however poor transgene expression in tumor, and high expression in non-target cells which may lead to ineffective therapy and high toxicity, respectively...
May 16, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29765562/a-myriad-of-roles-of-mir-25-in-health-and-disease
#9
REVIEW
Márta Sárközy, Zsuzsanna Kahán, Tamás Csont
Small non-coding RNAs including microRNAs (miRNAs) have been recently recognized as important regulators of gene expression. MicroRNAs play myriads of roles in physiological processes as well as in the pathogenesis of a number of diseases by translational repression or mRNA destabilization of numerous target genes. The miR-106b-25 cluster is highly conserved in vertebrates and consists of three members including miR-106b, miR-93 and miR-25. MiR-106b and miR-93 share the same seed sequences; however, miR-25 has only a similar seed sequence resulting in different predicted target mRNAs...
April 20, 2018: Oncotarget
https://www.readbyqxmd.com/read/29760150/anatomic-gene-expression-atlas-fuels-glioblastoma-discovery
#10
(no author information available yet)
The Ivy Glioblastoma Atlas provides detailed information about genes expressed in different anatomic regions of human brain tumors. Researchers are already drawing upon the resource to identify novel therapeutic targets for this deadly cancer.
May 14, 2018: Cancer Discovery
https://www.readbyqxmd.com/read/29758944/the-conundrum-of-gsk3-inhibitors-is-it-the-dawn-of-a-new-beginning
#11
Ratan V Bhat, Ulf Andersson, Shalini Andersson, Laurent Knerr, Udo Bauer, Anna Sundgren Andersson
Spanning over three decades of extensive drug discovery research, the efforts to develop a potent and selective GSK3 inhibitor as a therapeutic for the treatment of type 2 diabetes, Alzheimer's disease (AD), bipolar disorders and cancer have been futile. Since its initial discovery in 1980 and subsequent decades of research, one cannot underscore the importance of the target and the promise of a game changing disease modifier. Several pharmaceutical companies, biotech companies, and academic institutions raged in a quest to unravel the biology and discover potent and selective GSK3 inhibitors, some of which went through clinical trials...
May 11, 2018: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29757276/fluorescence-molecular-tomography-for-in-vivo-imaging-of-glioblastoma-xenografts
#12
Jorge A Benitez, Ciro Zanca, Jianhui Ma, Webster K Cavenee, Frank B Furnari
Tumorigenicity is the capability of cancer cells to form a tumor mass. A widely used approach to determine if the cells are tumorigenic is by injecting immunodeficient mice subcutaneously with cancer cells and measuring the tumor mass after it becomes visible and palpable. Orthotopic injections of cancer cells aim to introduce the xenograft in the microenvironment that most closely resembles the tissue of origin of the tumor being studied. Brain cancer research requires intracranial injection of cancer cells to allow the tumor formation and analysis in the unique microenvironment of the brain...
April 26, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29755901/emerging-cellular-therapies-for-glioblastoma-multiforme
#13
REVIEW
Paul J Choi, R Shane Tubbs, Rod J Oskouian
Glioblastoma multiforme (GBM) is the most common type of malignant primary brain cancer in adults. It is composed of highly malignant cells that display metastatic and angiogenic characteristics, making it resistant to current first-line chemotherapy with temozolomide, an alkylating agent. Despite many years of research, GBM remains poorly responsive to multiple available therapies, giving GBM patients, who receive the conventional combination of chemoradiotherapies and surgical resection, a dismal prognosis...
March 11, 2018: Curēus
https://www.readbyqxmd.com/read/29753700/spectrum-and-prevalence-of-genetic-predisposition-in-medulloblastoma-a-retrospective-genetic-study-and-prospective-validation-in-a-clinical-trial-cohort
#14
Sebastian M Waszak, Paul A Northcott, Ivo Buchhalter, Giles W Robinson, Christian Sutter, Susanne Groebner, Kerstin B Grund, Laurence Brugières, David T W Jones, Kristian W Pajtler, A Sorana Morrissy, Marcel Kool, Dominik Sturm, Lukas Chavez, Aurelie Ernst, Sebastian Brabetz, Michael Hain, Thomas Zichner, Maia Segura-Wang, Joachim Weischenfeldt, Tobias Rausch, Balca R Mardin, Xin Zhou, Cristina Baciu, Christian Lawerenz, Jennifer A Chan, Pascale Varlet, Lea Guerrini-Rousseau, Daniel W Fults, Wiesława Grajkowska, Peter Hauser, Nada Jabado, Young-Shin Ra, Karel Zitterbart, Suyash S Shringarpure, Francisco M De La Vega, Carlos D Bustamante, Ho-Keung Ng, Arie Perry, Tobey J MacDonald, Pablo Hernáiz Driever, Anne E Bendel, Daniel C Bowers, Geoffrey McCowage, Murali M Chintagumpala, Richard Cohn, Timothy Hassall, Gudrun Fleischhack, Tone Eggen, Finn Wesenberg, Maria Feychting, Birgitta Lannering, Joachim Schüz, Christoffer Johansen, Tina V Andersen, Martin Röösli, Claudia E Kuehni, Michael Grotzer, Kristina Kjaerheim, Camelia M Monoranu, Tenley C Archer, Elizabeth Duke, Scott L Pomeroy, Redmond Shelagh, Stephan Frank, David Sumerauer, Wolfram Scheurlen, Marina V Ryzhova, Till Milde, Christian P Kratz, David Samuel, Jinghui Zhang, David A Solomon, Marco Marra, Roland Eils, Claus R Bartram, Katja von Hoff, Stefan Rutkowski, Vijay Ramaswamy, Richard J Gilbertson, Andrey Korshunov, Michael D Taylor, Peter Lichter, David Malkin, Amar Gajjar, Jan O Korbel, Stefan M Pfister
BACKGROUND: Medulloblastoma is associated with rare hereditary cancer predisposition syndromes; however, consensus medulloblastoma predisposition genes have not been defined and screening guidelines for genetic counselling and testing for paediatric patients are not available. We aimed to assess and define these genes to provide evidence for future screening guidelines. METHODS: In this international, multicentre study, we analysed patients with medulloblastoma from retrospective cohorts (International Cancer Genome Consortium [ICGC] PedBrain, Medulloblastoma Advanced Genomics International Consortium [MAGIC], and the CEFALO series) and from prospective cohorts from four clinical studies (SJMB03, SJMB12, SJYC07, and I-HIT-MED)...
May 9, 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29749605/rho-signaling-research-history-current-status-and-future-directions
#15
Shuh Narumiya, Dean Thumkeo
One of the main research areas in biology from the mid-1980's through the 990's was the elucidation of signaling pathways governing cell responses. These studies brought, among other molecules, the small GTPase Rho to the epicenter. Rho signaling research has since expanded to all areas of biology and medicine. Here, we describe how Rho emerged as a key molecule governing cell morphogenesis and movement, how it was linked to actin reorganization, and how the study of Rho signaling has expanded from cultured cells to whole biological systems...
May 10, 2018: FEBS Letters
https://www.readbyqxmd.com/read/29746930/biomimetic-models-to-examine-microenvironmental-regulation-of-glioblastoma-stem-cells
#16
Pinaki S Nakod, Yonghyun Kim, Shreyas S Rao
Glioblastoma multiforme (GBM), a malignant brain tumor, is the deadliest form of human cancer with low survival rates because of its highly invasive nature. In recent years, there has been a growing appreciation for the role that glioblastoma stem cells (GSCs) play during tumorigenesis and tumor recurrence of GBM. GSCs are a specialized subset of GBM cells with stem cell-like features that contribute to tumor initiation and therapeutic resistance. Thus, to enhance therapeutic efficiency and improve survival, targeting GSCs and their microenvironmental niche appears to be a promising approach...
May 7, 2018: Cancer Letters
https://www.readbyqxmd.com/read/29733087/brain-cancer-imaging-phenomics-toolkit-brain-captk-an-interactive-platform-for-quantitative-analysis-of-glioblastoma
#17
Saima Rathore, Spyridon Bakas, Sarthak Pati, Hamed Akbari, Ratheesh Kalarot, Patmaa Sridharan, Martin Rozycki, Mark Bergman, Birkan Tunc, Ragini Verma, Michel Bilello, Christos Davatzikos
Quantitative research, especially in the field of radio(geno)mics, has helped us understand fundamental mechanisms of neurologic diseases. Such research is integrally based on advanced algorithms to derive extensive radiomic features and integrate them into diagnostic and predictive models. To exploit the benefit of such complex algorithms, their swift translation into clinical practice is required, currently hindered by their complicated nature. brain-CaPTk is a modular platform, with components spanning across image processing, segmentation, feature extraction, and machine learning, that facilitates such translation, enabling quantitative analyses without requiring substantial computational background...
2018: Brainlesion: glioma, multiple sclerosis, stroke and traumatic brain injuries: third International Workshop, BrainLes 2017, held in conjunction with MICCAI 2017, Quebec City, QC, Canada, September 14, 2017, Revised selected papers
https://www.readbyqxmd.com/read/29720224/assessing-brain-volume-changes-in-older-women-with-breast-cancer-receiving-adjuvant-chemotherapy-a-brain-magnetic-resonance-imaging-pilot-study
#18
Bihong T Chen, Sean K Sethi, Taihao Jin, Sunita K Patel, Ningrong Ye, Can-Lan Sun, Russell C Rockne, E Mark Haacke, James C Root, Andrew J Saykin, Tim A Ahles, Andrei I Holodny, Neal Prakash, Joanne Mortimer, James Waisman, Yuan Yuan, George Somlo, Daneng Li, Richard Yang, Heidi Tan, Vani Katheria, Rachel Morrison, Arti Hurria
BACKGROUND: Cognitive decline is among the most feared treatment-related outcomes of older adults with cancer. The majority of older patients with breast cancer self-report cognitive problems during and after chemotherapy. Prior neuroimaging research has been performed mostly in younger patients with cancer. The purpose of this study was to evaluate longitudinal changes in brain volumes and cognition in older women with breast cancer receiving adjuvant chemotherapy. METHODS: Women aged ≥ 60 years with stage I-III breast cancer receiving adjuvant chemotherapy and age-matched and sex-matched healthy controls were enrolled...
May 2, 2018: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/29716952/correction-slicerdmri-open-source-diffusion-mri-software-for-brain-cancer-research
#19
(no author information available yet)
No abstract text is available yet for this article.
May 1, 2018: Cancer Research
https://www.readbyqxmd.com/read/29713501/management-of-recurrent-or-metastatic-thyroid-cancer
#20
Makoto Tahara
Recently, vascular endothelial growth factor receptor (VEGFR)-targeted tyrosine kinase inhibitors (TKIs) have become available for the treatment of recurrent or metastatic thyroid cancer. However, a number of clinical challenges that impact the use of VEGFR-targeted TKI in daily clinical practice have arisen. Toxicity is considerable, to the extent that most physicians hesitate to start VEGFR-targeted TKI and prefer to continue a watch-and-wait approach until the patient's disease markedly worsens. This delayed use of VEGFR-targeted TKI leads to a higher incidence of serious adverse events than was reported in clinical trials...
2018: ESMO Open
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