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Brain Cancer Research

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https://www.readbyqxmd.com/read/28523289/core-canonical-pathways-involved-in-developing-human-glioblastoma-multiforme-gbm
#1
Somiranjan Ghosh, Sisir Dutta, Gabriel Thorne, Ava Boston, Alexis Barfield, Narendra Banerjee, Rayshawn Walker, Hirendra Nath Banerjee
Glioblastoma multiforme (GBM) is the most common and aggressive type of the primary brain tumors with pathologic hallmarks of necrosis and vascular proliferation. The diagnosis of GBM is currently mostly based on histological examination of brain tumor tissues, after radiological characterization and surgical biopsy. The ability to characterize tumors comprehensively at the molecular level raises the possibility that diagnosis can be made based on molecular profiling with or without histological examination, rather than solely on histological phenotype...
February 2017: Int J Sci Res Sci Eng Technol
https://www.readbyqxmd.com/read/28523139/an-overview-of-the-use-of-artificial-neural-networks-in-lung-cancer-research
#2
EDITORIAL
Luca Bertolaccini, Piergiorgio Solli, Alessandro Pardolesi, Antonello Pasini
The artificial neural networks (ANNs) are statistical models where the mathematical structure reproduces the biological organisation of neural cells simulating the learning dynamics of the brain. Although definitions of the term ANN could vary, the term usually refers to a neural network used for non-linear statistical data modelling. The neural models applied today in various fields of medicine, such as oncology, do not aim to be biologically realistic in detail but just efficient models for nonlinear regression or classification...
April 2017: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/28521298/insulin-like-growth-factor-2-axis-supports-the-serum-independent-growth-of-malignant-rhabdoid-tumor-and-is-activated-by-microenvironment-stress
#3
Ting Li, Jin Wang, Pengfei Liu, Jiadong Chi, Han Yan, Lei Lei, Zexing Li, Bing Yang, Xi Wang
Malignant rhabdoid tumors (MRTs) are rare, lethal, pediatric tumors predominantly found in the kidney, brain and soft tissues. MRTs are driven by loss of tumor suppressor SNF5/INI1/SMARCB1/BAF47. The prognosis of MRT is poor using currently available treatments, so new treatment targets need to be identified to expand treatment options for patients experiencing chemotherapy resistance. The growth hormone insulin-like growth factor 2 (IGF2) signaling pathway is a promising target to overcome drug resistance in many cancers...
May 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28513420/optimization-of-glioblastoma-mouse-orthotopic-xenograft-models-for-translational-research
#4
Susan M Irtenkauf, Susan Sobiechowski, Laura A Hasselbach, Kevin K Nelson, Andrea D Transou, Enoch T Carlton, Tom Mikkelsen, Ana C deCarvalho
Glioblastoma is an aggressive primary brain tumor predominantly localized to the cerebral cortex. We developed a panelofpatient-derived mouse orthotopic xenografts (PDOX) for preclinical drug studies by implanting cancer stem cells (CSC) cultured from fresh surgical specimens intracranially into 8-wk-old female athymic nude mice. Here we optimize the glioblastoma PDOX model by assessing the effect of implantation location on tumor growth, survival, and histologic characteristics. To trace the distribution of intracranial injections, toluidine blue dye was injected at 4 locations with defined mediolateral, anterioposterior, and dorsoventral coordinates within the cerebral cortex...
May 16, 2017: Comparative Medicine
https://www.readbyqxmd.com/read/28504422/effects-of-mobile-phones-on-children-s-and-adolescents-health-a-commentary
#5
Lennart Hardell
The use of digital technology has grown rapidly during the last couple of decades. During use, mobile phones and cordless phones emit radiofrequency (RF) radiation. No previous generation has been exposed during childhood and adolescence to this kind of radiation. The brain is the main target organ for RF emissions from the handheld wireless phone. An evaluation of the scientific evidence on the brain tumor risk was made in May 2011 by the International Agency for Research on Cancer at World Health Organization...
May 15, 2017: Child Development
https://www.readbyqxmd.com/read/28497011/reference-data-for-standardized-quality-of-life-questionnaires-in-indian-patients-with-brain-metastases-from-non-small-cell-lung-cancer-results-from-a-prospective-study
#6
Jaiprakash Aggarwal, Santam Chakraborty, Sarbani Ghosh Laskar, Vijay M Patil, Kumar Prabhash, Atanu Bhattacharya, Vanita Noronha, Nilendu C Purandare, Amit Joshi, Naveen Mummudi, Jitendra Arora, Rupali Badhe
INTRODUCTION: Reference data for European Organization for Research and Treatment of Cancer (EORTC) quality of life questionnaires do not include studies from the Indian subcontinent. The objective of the current study was to establish a reference dataset for Indian patients of non-small cell lung cancer (NSCLC) presenting with brain metastases (BM). MATERIAL AND METHODS: One hundred forty patients with NSCLC with BM treated between 2012-2015 were registered in a prospective cohort study (CTRI/2013/01/003299)...
April 10, 2017: Curēus
https://www.readbyqxmd.com/read/28482030/global-incidence-of-malignant-brain-and-other-central-nervous-system-tumors-by-histology-2003-2007
#7
Rebecca Leece, Jordan Xu, Quinn T Ostrom, Yanwen Chen, Carol Kruchko, Jill S Barnholtz-Sloan
Background: Previous reports have shown that overall incidence of malignant brain and other central nervous system (CNS) tumors varied significantly by country. The aim of this study was to estimate histology-specific incidence rates by global region and assess incidence variation by histology and age. Methods: Using data from the Central Brain Tumor Registry of the United States and the International Agency for Research on Cancer's Cancer Incidence in Five Continents X (including over 300 cancer registries), we calculated the age-adjusted incidence rates (AAIR) per 100,000 person-years and 95% confidence intervals (95% CI) for brain and other CNS tumors overall, and by age groups and histology...
May 6, 2017: Neuro-oncology
https://www.readbyqxmd.com/read/28481580/neurocognitive-deficits-in-children-with-chronic-health-conditions
#8
Bruce E Compas, Sarah S Jaser, Kristen Reeslund, Niral Patel, Janet Yarboi
Over 4 million children in the United States suffer from chronic health conditions, including cancer, sickle cell disease, and diabetes. Because of major advances in the early identification and treatment of these conditions, survival rates for these children continue to rise, and the majority now lives into adulthood. However, increases in survival have come with costs related to long-term effects of disease processes and treatments. Foremost among these consequences is impairment in brain development and neurocognitive function that may affect a substantial portion of children with chronic health conditions and follow many into adulthood...
May 2017: American Psychologist
https://www.readbyqxmd.com/read/28479263/novel-rodent-model-of-breast-cancer-survival-with-persistent-anxiety-like-behavior-and-inflammation
#9
Leah M Pyter, Lorena P Suarez-Kelly, William E Carson, Jasskiran Kaur, Joshua Bellasario, Savannah R Bever
Breast cancer survivors are an expanding population that is troubled by lasting mental health problems, including depression and anxiety. These issues reduce quality-of-life throughout survivorhood. Research indicates that tumor biology, cancer treatments, and stress contribute to these mood disturbances. Although the mechanisms underlying these various causes remain under investigation, neuroinflammation is a leading hypothesis. To date, rodent models of recurrence-free tumor survival for understanding mechanisms by which these behavioral issues persist after cancer are lacking...
May 4, 2017: Behavioural Brain Research
https://www.readbyqxmd.com/read/28470430/is-mortality-due-to-primary-malignant-brain-and-other-central-nervous-system-tumors-decreasing
#10
Haley Gittleman, Courtney Kromer, Quinn T Ostrom, Rachel Blanda, Jeffrey Russell, Carol Kruchko, Jill S Barnholtz-Sloan
Primary malignant brain and other central nervous system tumors (BT) are a rare cancer that causes morbidity and mortality disproportionate to their incidence. This study presents the most up-to-date mortality data for malignant BT in the United States (US) by histology groupings, age, race, and sex. Mortality rates for malignant BT were generated using the Center for Disease Control's National Vital Statistics Systems (NVSS, ~100% of US) data from 1975 to 2012. Histology-specific incidence-based mortality rates were calculated using the National Cancer Institute's Surveillance, Epidemiology, and End-Results 9 (SEER9, ~9...
May 3, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28457227/nih-workshop-report-on-the-trans-agency-blood-brain-interface-workshop-2016-exploring-key-challenges-and-opportunities-associated-with-the-blood-brain-and-their-interface
#11
REVIEW
Margaret J Ochocinska, Berislav V Zlokovic, Peter C Searson, A Tamara Crowder, Richard P Kraig, Julia Y Ljubimova, Todd G Mainprize, William A Banks, Ronald Q Warren, Andrei Kindzelski, William Timmer, Christina H Liu
A trans-agency workshop on the blood-brain interface (BBI), sponsored by the National Heart, Lung and Blood Institute, the National Cancer Institute and the Combat Casualty Care Research Program at the Department of Defense, was conducted in Bethesda MD on June 7-8, 2016. The workshop was structured into four sessions: (1) blood sciences; (2) exosome therapeutics; (3) next generation in vitro blood-brain barrier (BBB) models; and (4) BBB delivery and targeting. The first day of the workshop focused on the physiology of the blood and neuro-vascular unit, blood or biofluid-based molecular markers, extracellular vesicles associated with brain injury, and how these entities can be employed to better evaluate injury states and/or deliver therapeutics...
May 1, 2017: Fluids and Barriers of the CNS
https://www.readbyqxmd.com/read/28455788/diagnosis-and-treatment-patterns-for-patients-with-leptomeningeal-metastasis-from-solid-tumors-across-europe
#12
Emilie Le Rhun, Roberta Rudà, Patrick Devos, Khê Hoang-Xuan, Dieta Brandsma, Pedro Pérez Segura, Riccardo Soffietti, Michael Weller
Leptomeningeal metastases are a late manifestation of systemic cancer which affects up to 10% of patients with solid tumors. Prognosis is poor, and overall survival at 1 year is only approximately 10%. Management depends mainly on general and neurological condition, primary tumor, and patterns of metastasis, notably absence or presence of concurrent systemic or solid brain metastases. Here we set out to characterize current practice patterns of diagnosis and treatment of patients with leptomeningeal metastasis in Europe...
April 28, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/28455399/drug-blocks-synaptic-hijacking-in-gliomas
#13
(no author information available yet)
An enzyme called ADAM10 cleaves a protein found in synaptic membranes, creating a soluble factor that can fuel the growth of brain tumors. Blocking this enzyme shrinks tumors in xenograft models of pediatric glioblastoma and diffuse intrinsic pontine glioma, two brain cancers with few to no effective drug options, researchers reported at the American Academy of Neurology 2017 Annual Meeting.
April 28, 2017: Cancer Discovery
https://www.readbyqxmd.com/read/28454437/polycomb-group-expression-signatures-in-the-malignant-progression-of-gliomas
#14
Qi Hu, Weining Wu, Ailiang Zeng, Tianfu Yu, Feng Shen, Er Nie, Yingyi Wang, Ning Liu, Junxia Zhang, Yongping You
Polycomb group (PcG) proteins form at least two key complexes, namely polycomb repressive complex 1 and polycomb repressive complex 2. These complexes are involved in the progression of various cancers. Systematic research has not been conducted on the aberrant expression of PcG members in gliomas. Using the Chinese Glioma Genome Atlas data set, PcG expression patterns between normal brain tissues and glioma samples were analyzed, and a PcG-based classifier was then developed using BRB Cox regression and risk-score model...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28440967/toxicity-of-cisplatin-loaded-poly-butyl-cyanoacrylate-nanoparticles-in-a-brain-cancer-cell-line-anionic-polymerization-results
#15
Nejad Mohamadi, S Maryam Kazemi, Mahshid Mohammadian, Attabak Toofani Milani, Younes Moradi, Maryam Yasemi, Meysam Ebrahimi far, Maral Mazloumi Tabrizi, Hasan Ebrahimi Shahmabadi, Azim Akbarzadeh Khiyavi
Cancer is one of the most important issues in modern medicine and the most common cause of death after cardiovascular diseases in many countries. Brain cancer is one of the most common causes of cancer death among men and women, ranking third. Chemotherapeutic drugs that aim to prevent uncontrolled proliferation of cells in tissues of the body and induce apoptosis of tumor cells are prominent candidates for development. Since cisplatin has an apoptosisinducing role, it is widely used as an anticancer agent...
March 1, 2017: Asian Pacific Journal of Cancer Prevention: APJCP
https://www.readbyqxmd.com/read/28439901/biomimetic-strategies-to-recapitulate-organ-specific-microenvironments-for-studying-breast-cancer-metastasis
#16
REVIEW
Akshay A Narkhede, Lalita A Shevde, Shreyas S Rao
The progression of breast cancer from the primary tumor setting to the metastatic setting is the critical event defining stage IV disease, no longer considered curable. The microenvironment at specific organ sites is known to play a key role in influencing the ultimate fate of metastatic cells; yet microenvironmental mediated-molecular mechanisms underlying organ specific metastasis in breast cancer are not well understood. This review discusses biomimetic strategies employed to recapitulate metastatic organ microenvironments, particularly, bone, liver, lung and brain to elucidate the mechanisms dictating metastatic breast cancer cell homing and colonization...
April 25, 2017: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28426839/medical-history-in-the-hellenic-journal-of-nuclear-medicine
#17
EDITORIAL
Andreas Otte
The Hellenic Journal of Nuclear Medicine is about to celebrate its 20th anniversary end of 2017. On board of the editorial team since 2003, this journal has influenced me like a good friend over the many past years. From time to time, the journal has published interesting and valuable historical notes. They show that nuclear medicine has a history and that medicine is its basis. They also teach us today, and some of the ancient perspectives and approaches are still valid. The reader of HJNM may be interested in these historical contributions, as they are timeless...
January 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28421936/british-led-research-uncovers-new-details-on-brain-cancer
#18
(no author information available yet)
Scientists have found 13 new genetic errors associated with an increased risk of developing glioma, the most common form of brain cancer.
April 19, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28421482/cost-effectiveness-of-stereotactic-radiosurgery-and-stereotactic-body-radiation-therapy-a-critical-review
#19
REVIEW
Nataniel H Lester-Coll, David J Sher
PURPOSE OF REVIEW: This review aims to summarize and appraise published cost-effectiveness studies on stereotactic radiosurgery (SRS) and stereotactic body radiation therapy (SBRT). RECENT FINDINGS: We performed a Medline search of cost-effectiveness studies of SRS, SBRT, and other cancer treatment modalities such as surgery and systemic therapy from 2006 to 2016. We included studies that used both modeling and retrospective review techniques. We excluded studies of benign disease...
June 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28421464/a-novel-tp53-mutation-associated-with-twist1-and-sip1-expression-in-an-aggressive-adrenocortical-carcinoma
#20
Daniel Bulzico, Davi Coe Torres, Gerson Moura Ferreira, Bruno Ricardo Barreto Pires, Paulo Antônio Silvestre de Faria, Rocio Hassan, Eliana Abdelhay, Mario Vaisman, Leonardo Vieira Neto
Adrenocortical carcinomas (ACC) are very rare tumors related to TP53 mutations mostly in childhood onset cases. Epithelial-mesenchymal transition (EMT) transcription factors TWIST1 and Smad interacting protein 1 (SIP1) are related to poorer outcomes in other malignancies, but their role in ACC is unknown. We describe a case of an advanced metastatic ACC (Weiss-score of 9) in a patient at age 76. After primary tumor resection, mitotane therapy was started as palliation to low-volume liver metastasis. After a 2-year period of stable disease, the patient died due to brain metastasis...
April 18, 2017: Endocrine Pathology
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