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https://www.readbyqxmd.com/read/29333405/primary-central-nervous-system-lymphoma-a-new-prognostic-model-for-patients-with-diffuse-large-b-cell-histology
#1
Yongchel Ahn, Heui June Ahn, Dok Hyun Yoon, Jung Yong Hong, Changhoon Yoo, Shin Kim, Jooryung Huh, Cheolwon Suh
Background: Age and performance status are important prognostic factors in primary central nervous system (CNS) lymphoma. Although several prognostic models have been proposed, there is no consensus on the optimal model for patients with diffuse large B-cell histology. Methods: Seventy-seven patients with primary CNS diffuse large B-cell lymphoma were retrospectively analyzed to determine factors affecting survival. Three Western models were applied to our eligible patients; we devised a novel model based on our findings...
December 2017: Blood Research
https://www.readbyqxmd.com/read/29315108/review-of-molecular-classification-and-treatment-implications-of-pediatric-brain-tumors
#2
Ana S Guerreiro Stucklin, Vijay Ramaswamy, Craig Daniels, Michael D Taylor
PURPOSE OF REVIEW: Brain tumors are the most common solid tumors and leading cause of cancer-related death in children. The advent of large-scale genomics has resulted in a plethora of profiling studies that have mapped the genetic and epigenetic landscapes of pediatric brain tumors, ringing in a new era of precision diagnostics and targeted therapies. In this review, we highlight the most recent findings, focusing on studies published after 2015, and discuss how new evidence is changing the care of children with brain tumors...
February 2018: Current Opinion in Pediatrics
https://www.readbyqxmd.com/read/29314142/retinoblastoma-the-visible-cns-tumor-a-review
#3
Helen Dimaras, Timothy W Corson
The pediatric ocular cancer retinoblastoma is the only central nervous system (CNS) tumor readily observed without specialized equipment: it can be seen by, and in, the naked eye. This accessibility enables unique imaging modalities. Here, we review this cancer for a neuroscience audience, highlighting these clinical and research imaging options, including fundus imaging, optical coherence tomography, ultrasound, and magnetic resonance imaging. We also discuss the subtype of retinoblastoma driven by the MYCN oncogene more commonly associated with neuroblastoma, and consider trilateral retinoblastoma, in which an intracranial tumor arises along with ocular tumors in patients with germline RB1 gene mutations...
January 3, 2018: Journal of Neuroscience Research
https://www.readbyqxmd.com/read/29307359/overview-of-metastatic-disease-of-the-central-nervous-system
#4
Craig Nolan, Lisa M Deangelis
In 2016, the American Society of Clinical Oncology reported that 1.7 million Americans were diagnosed with cancer; this number will rise to 2.3 million in the United States and 22 million worldwide in 2030. This rising need is being met by an explosion of new cancer therapies, including: immune checkpoint inhibitors, T-cell therapies, tumor vaccines, antiangiogenic therapies, and various targeted therapies. This armamentarium of targeted therapies has led to better systemic control of disease and longer patient overall survival (OS)...
2018: Handbook of Clinical Neurology
https://www.readbyqxmd.com/read/29306356/the-usefulness-of-sloreta-in-evaluating-the-effect-of-high-dose-ara-c-on-brain-connectivity-in-patients-with-acute-myeloid-leukemia-an-exploratory-study
#5
A Zarabla, S Ungania, A Cacciatore, A Maialetti, G Petreri, A Mengarelli, A Spadea, F Marchesi, D Renzi, Svitlana Gumenyuk, L Strigari, Marta Maschio
Cytosine arabinoside (Ara-C) is one of the key drugs for treating acute myeloid leukemia (AML). High intravenous doses may produce a number of central nervous system (CNS) toxicities and contribute to modifications in brain functional connectivity. sLORETA is a software used for localizing brain electrical activity and functional connectivity. The aim of this study was to apply sLORETA in the evaluation of possible effects of Ara-C on brain connectivity in patients with AML without CNS involvement. We studied eight patients with AML; four were administered standard doses of Ara-C while the other four received high doses...
October 2017: Functional Neurology
https://www.readbyqxmd.com/read/29304362/leptomeningeal-metastases-in-non-small-cell-lung-cancer
#6
REVIEW
Haiying Cheng, Roman Perez-Soler
Leptomeningeal metastasis is a complication of advanced non-small-cell lung cancer (NSCLC). Diagnosis and monitoring of leptomeningeal metastasis are challenging, and are based on neurological, radiographic, and cerebrospinal fluid findings. Substantial progress has been made in several key aspects of management of leptomeningeal metastasis, including improved characterisation of the genetic profiles, generation of clinically relevant animal models, advances in cerebrospinal fluid liquid biopsy with improved cytology and genotyping analysis, and the development of therapeutic agents with greater CNS penetration...
January 2018: Lancet Oncology
https://www.readbyqxmd.com/read/29303950/cns-drug-development-lessons-learned-part-4-the-role-of-brain-circuitry-and-genes-tasimelteon-as-an-example
#7
Sheldon H Preskorn
This is the fourth in a series of columns discussing the rational and targeted development of drugs to affect specific central nervous system (CNS) circuits in specific ways based on knowledge gained by molecular biology and the human genome project. The first column in this series described 6 CNS drugs with novel mechanisms of action developed over the last 25 years. The second column discussed differences between syndromic diagnoses as exemplified by the third through the fifth editions of the Diagnostic and Statistical Manual of Mental Disorders (DSM III through DSM-5) and the new approach to psychiatric diagnoses championed by the National Institute of Mental Health in their Research Domain Criteria Initiative...
November 2017: Journal of Psychiatric Practice
https://www.readbyqxmd.com/read/29296673/glutathione-responsive-selenosulfide-prodrugs-as-a-platform-strategy-for-potent-and-selective-mechanism-based-inhibition-of-protein-tyrosine-phosphatases
#8
Caroline Chandra Tjin, Kate D Otley, Tyler D Baguley, Pradeep Kurup, Jian Xu, Angus C Nairn, Paul J Lombroso, Jonathan A Ellman
Dysregulation of protein tyrosine phosphorylation has been implicated in a number of human diseases, including cancer, diabetes, and neurodegenerative diseases. As a result of their essential role in regulating protein tyrosine phosphorylation levels, protein tyrosine phosphatases (PTPs) have emerged as important yet challenging therapeutic targets. Here we report on the development and application of a glutathione-responsive motif to facilitate the efficient intracellular delivery of a novel class of selenosulfide phosphatase inhibitors for the selective active site directed inhibition of the targeted PTP by selenosulfide exchange with the active site cysteine...
December 27, 2017: ACS Central Science
https://www.readbyqxmd.com/read/29288597/fractionation-enhances-acute-oligodendrocyte-progenitor-cell-radiation-sensitivity-and-leads-to-long-term-depletion
#9
Sage Begolly, John A Olschowka, Tanzy Love, Jacqueline P Williams, M Kerry O'Banion
Ionizing radiation (IR) is commonly used to treat central nervous system (CNS) cancers and metastases. While IR promotes remission, frequent side effects including impaired cognition and white matter loss occur following treatment. Fractionation is used to minimize these CNS late side effects, as it reduces IR effects in differentiated normal tissue, but not rapidly proliferating normal or tumor tissue. However, side effects occur even with the use of fractionated paradigms. Oligodendrocyte progenitor cells (OPCs) are a proliferative population within the CNS affected by radiation...
December 30, 2017: Glia
https://www.readbyqxmd.com/read/29277782/oncolytic-properties-of-ampakines-in-vitro
#10
Daniel P Radin, Richard Purcell, Arnold S Lippa
BACKGROUND/AIM: The 5-year survival rate of glioblastoma (GBM) is ~10%, demonstrating that a new therapeutic modality for this cancer is desperately needed. Complicating the search for such a modality is that most large molecules cannot pass through the blood brain barrier, so molecules demonstrating efficacy in vitro may not be useful in vivo because they never reach the brain. Recently, the selective serotonin reuptake inhibitor (SSRI) fluoxetine (FLX) was identified as an effective agent in targeting GBM in vitro and in vivo by agonizing AMPA-glutamate receptors (AMPARs), eliciting massive calcium influx and mitochondrial calcium overload and apoptosis...
January 2018: Anticancer Research
https://www.readbyqxmd.com/read/29258538/predominance-of-girls-with-cancer-in-families-with-multiple-childhood-cancer-cases
#11
Karl-Johan Stjernfelt, Kristoffer von Stedingk, Thomas Wiebe, Lars Hjorth, Håkan Olsson, Ingrid Øra
BACKGROUND: Recent studies indicate that one of four childhood cancers can be attributed to hereditary genetic abnormalities. METHODS: The Lund Childhood Cancer Genetic study includes newly diagnosed childhood cancer patients as well as childhood cancer survivors visiting the Department of Pediatrics or the Late Effect Clinic at Skåne University Hospital, Lund, Sweden. Questionnaires regarding family history of cancer and blood samples were provided. Reported data were validated and extended by use of the Swedish Population- and Cancer Registries...
December 19, 2017: BMC Cancer
https://www.readbyqxmd.com/read/29245363/nasopharyngeal-carcinoma-with-central-nervous-system-metastases-two-case-reports-and-a-review-of-the-literature
#12
Chunying Shen, Hongmei Ying, Xueguan Lu, Chaosu Hu
RATIONALE: Central nervous system (CNS) metastases are rarely seen in patients with nasopharyngeal carcinoma (NPC). PATIENT CONCERNS: Two NPC patients developed CNS metastases were collected in Fudan University Shanghai Cancer Center. The medical records were reviewed to document patients' characteristics, treatment, and outcomes. In addition, we also provide an overview of the literature concerning this scenario. DIAGNOSES: Both patients were staged T4N1M0 with pathologically confirmed CNS metastases from nasopharyngeal carcinoma...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29237803/anti-tumor-activity-of-entrectinib-a-pan-trk-ros1-and-alk-inhibitor-in-etv6-ntrk3-positive-acute-myeloid-leukemia
#13
Kristen M Smith, Patrick C Fagan, Elena Pomari, Giuseppe Germano, Chiara Frasson, Colin Walsh, Ian M Silverman, Paolo Bonvini, Gang Li
Activation of tropomyosin receptor kinase (TRK) family tyrosine kinases by chromosomal rearrangement has been shown to drive a wide range of solid tumors and hematologic malignancies. TRK fusions are actionable targets as evidenced by recent clinical trial results in solid tumors. Entrectinib (RXDX-101) is an investigational, orally available, CNS-active, highly potent and selective kinase inhibitor against TRKA/B/C, ROS1 and ALK kinase activities. Here, we demonstrate that TRK kinase inhibition by entrectinib selectively targets preclinical models of TRK fusion-driven hematologic malignancies...
December 13, 2017: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/29236238/internet-based-guided-self-help-for-glioma-patients-with-depressive-symptoms-a-randomized-controlled-trial
#14
Florien W Boele, Martin Klein, Irma M Verdonck-de Leeuw, Pim Cuijpers, Jan J Heimans, Tom J Snijders, Maaike Vos, Ingeborg Bosma, Cees C Tijssen, Jaap C Reijneveld
Depressive symptoms are common in glioma patients, and can negatively affect health-related quality of life (HRQOL). We performed a nation-wide randomized controlled trial to evaluate the effects of an online guided self-help intervention for depressive symptoms in adult glioma patients. Glioma patients with depressive symptoms were randomized to a 5-week online course based on problem-solving therapy, or a waiting list control group. After having received the intervention, the glioma patient groups combined were compared with patients with cancer outside the central nervous system (non-CNS cancer controls), who also received the intervention...
December 13, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29236237/outcome-of-children-and-adolescents-with-central-nervous-system-tumors-in-phase-i-trials
#15
Fernando Carceller, Francisco Bautista, Irene Jiménez, Raquel Hladun-Álvaro, Cécile Giraud, Luca Bergamaschi, Madhumita Dandapani, Isabelle Aerts, François Doz, Didier Frappaz, Michela Casanova, Bruce Morland, Darren R Hargrave, Gilles Vassal, Andrew D J Pearson, Birgit Geoerger, Lucas Moreno, Lynley V Marshall
Central nervous system (CNS) tumors are a leading cause of death in pediatric oncology. New drugs are desperately needed to improve survival. We evaluated the outcome of children and adolescents with CNS tumors participating in phase I trials within the Innovative Therapies for Children with Cancer (ITCC) consortium. Patients with solid tumors aged < 18 years at enrollment in their first dose-finding trial between 2000 and 2014 at eight ITCC centers were included retrospectively. Survival was evaluated using univariate/multivariate analyses...
December 13, 2017: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29229703/orai1-plays-a-crucial-role-in-central-sensitization-by-modulating-neuronal-excitability
#16
Yannong Dou, Jingsheng Xia, Ruby Gao, Xinghua Gao, Frances M Munoz, Dongyu Wei, Yuzhen Tian, James E Barrett, Seena Ajit, Olimpia Meucci, James W Putney, Yue Dai, Huijuan Hu
Pathological pain is a common and debilitating condition that is often poorly managed. Central sensitization is an important mechanism underlying pathological pain. However, candidate molecules involved in central sensitization remain unclear. Store-operated calcium channels (SOCs) mediate important calcium signals in non-excitable and excitable cells. SOCs have been implicated in a wide variety of human pathophysiological conditions including immunodeficiency, occlusive vascular diseases and cancer. However, the role of SOCs in central nervous system (CNS) disorders has been relatively unexplored...
December 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/29216507/chimeric-hcmv-hsv-1-and-%C3%AE-%C3%AE-134-5-oncolytic-herpes-simplex-virus-elicit-immune-mediated-antigliomal-effect-and-antitumor-memory
#17
Mohammed G Ghonime, Josh Jackson, Amish Shah, Justin Roth, Mao Li, Ute Saunders, Jennifer Coleman, G Yancey Gillespie, James M Markert, Kevin A Cassady
Malignant gliomas are the most common primary brain tumor and are characterized by rapid and highly invasive growth. Because of their poor prognosis, new therapeutic strategies are needed. Oncolytic virotherapy (OV) is a promising strategy for treating cancer that incorporates both direct viral replication mediated and immune mediated mechanisms to kill tumor cells. C134 is a next generation Δγ134.5 oHSV-1 with improved intratumoral viral replication. It remains safe in the CNS environment by inducing early IFN signaling which restricts its replication in non-malignant cells...
December 4, 2017: Translational Oncology
https://www.readbyqxmd.com/read/29214166/mirnas-important-targets-for-oral-cancer-pain-research
#18
REVIEW
Cláudia Maria Pereira, Dayany Sehnem, Estevão Oliveira da Fonseca, Heráclito Fernando Gurgel Barboza, Antônio Carlos Pires de Carvalho, Alexandre F M DaSilva, Vivaldo Moura-Neto, Marcos F DosSantos
Pain is a symptom shared by an incredible number of diseases. It is also one of the primary conditions that prompt individuals to seek medical treatment. Head and neck squamous cell carcinoma (HNSCC) corresponds to a heterogeneous disease that may arise from many distinct structures of a large, highly complex, and intricate region. HNSCC affects a great number of patients worldwide and is directly associated with chronic pain, which is especially prominent during the advanced stages of oral squamous cell carcinoma (OSCC), an anatomical and clinical subtype that corresponds to the great majority oral cancers...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29212418/clinical-characteristics-and-outcome-of-childhood-acute-promyelocitic-leukemia-apl-in-saudi-arabia-a-multicenter-saphos-leukemia-group-study
#19
Wasil Jastaniah, Abdulrahman Alsultan, Saad Al Daama, Walid Ballourah, Mohamed Bayoumy, Faisal Al-Anzi, Omar Al Shareef, Mohammed Burhan Abrar, Reem Al Sudairy, Ibrahim Al Ghemlas
BACKGROUND: Acute promyelocytic leukemia (APL) is a rare form of acute myelogenous leukemia (AML). Survival rates exceed 80% in developed countries. Successful treatments rely on all-trans retinoic acid with anthracycline-based chemotherapy. Availability of modern care and public knowledge play important roles in pediatric APL survival. METHOD: A cytogenetic diagnosis of APL was confirmed in 30 (14.5%) out of 207 children consecutively diagnosed with de novo AML between January 2005 and December 2012 at nine cancer care centers in Saudi Arabia...
December 7, 2017: Hematology (Amsterdam, Netherlands)
https://www.readbyqxmd.com/read/29208775/cns-endothelial-cell-activation-emerges-as-a-driver-of-car-t-cell-associated-neurotoxicity
#20
COMMENT
Crystal L Mackall, David B Miklos
<b/> Central nervous system (CNS) toxicity associated with chimeric antigen receptor-based therapeutics has emerged as a significant cause of morbidity and mortality, and insights into the pathophysiology of this syndrome have been lacking. A new study provides evidence that cytokine-induced CNS endothelial cell activation leading to disruption of the blood-brain barrier plays an early and critical role in this phenomenon. These insights provide new opportunities for targeted therapeutic interventions to modulate endothelial cell activation...
December 2017: Cancer Discovery
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