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Brain tumor medicine

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https://www.readbyqxmd.com/read/27930095/multi-omics-data-integration-and-mapping-of-altered-kinases-to-pathways-reveal-gonadotropin-hormone-signaling-in-glioblastoma
#1
Savita Jayaram, Manoj Kumar Gupta, Rajesh Raju, Poonam Gautam, Ravi Sirdeshmukh
Glioblastoma multiforme (GBM) is one of the most lethal brain tumors with an inadequately understood pathophysiology. Biomarkers that guide accurate diagnosis and treatment decisions would greatly support precision medicine for GBM. Previous studies of GBM have focused on signaling pathways such as epidermal growth factor receptor (EGFR), platelet-derived growth factor receptors (PDGFRs), notch, wnt, and others, identified with single omics technology platforms (genomics, transcriptomics, or proteomics), but not with their integrated use...
December 2016: Omics: a Journal of Integrative Biology
https://www.readbyqxmd.com/read/27909971/gastrodin-attenuates-pentylenetetrazole-induced-seizures-by-modulating-the-mitogen-activated-protein-kinase-associated-inflammatory-responses-in-mice
#2
Liming Chen, Xinan Liu, Hua Wang, Min Qu
Gastrodin, the major component isolated from the rhizome of the Chinese traditional medicinal herb Gastrodia elata ("Tianma"), has a long history in the treatment of epilepsy and other neurological disorders. However, the molecular mechanisms are not clear. Here, we found that gastrodin ameliorated pentylenetetrazole (PTZ)-induced epileptic seizures with improvement of the electroencephalographic pattern in mice. Further studies demonstrated that gastrodin decreased the levels of the pro-inflammatory cytokines interleukin-1β and tumor necrosis factor-α while increasing interleukin-10, an anti-inflammatory cytokine in the brain...
December 1, 2016: Neuroscience Bulletin
https://www.readbyqxmd.com/read/27859563/direct-estimation-of-tracer-kinetic-parameter-maps-from-highly-undersampled-brain-dynamic-contrast-enhanced-mri
#3
Yi Guo, Sajan Goud Lingala, Yinghua Zhu, R Marc Lebel, Krishna S Nayak
PURPOSE: The purpose of this work was to develop and evaluate a T1 -weighted dynamic contrast enhanced (DCE) MRI methodology where tracer-kinetic (TK) parameter maps are directly estimated from undersampled (k,t)-space data. THEORY AND METHODS: The proposed reconstruction involves solving a nonlinear least squares optimization problem that includes explicit use of a full forward model to convert parameter maps to (k,t)-space, utilizing the Patlak TK model. The proposed scheme is compared against an indirect method that creates intermediate images by parallel imaging and compressed sensing before to TK modeling...
November 17, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27855689/metformin-reduces-morphine-tolerance-by-inhibiting-microglial-mediated-neuroinflammation
#4
Yinbing Pan, Xiaodi Sun, Lai Jiang, Liang Hu, Hong Kong, Yuan Han, Cheng Qian, Chao Song, Yanning Qian, Wentao Liu
BACKGROUND: Tolerance seriously impedes the application of morphine in clinical medicine. Thus, it is necessary to investigate the exact mechanisms and efficient treatment. Microglial activation and neuroinflammation in the spinal cord are thought to play pivotal roles on the genesis and maintaining of morphine tolerance. Activation of adenosine monophosphate-activated kinase (AMPK) has been associated with the inhibition of inflammatory nociception. Metformin, a biguanide class of antidiabetic drugs and activator of AMPK, has a potential anti-inflammatory effect...
November 17, 2016: Journal of Neuroinflammation
https://www.readbyqxmd.com/read/27851877/understanding-the-continuum-of-radionecrosis-and-vascular-disorders-in-the-brain-following-gamma-knife-irradiation-an-mri-study
#5
Julie Constanzo, Laurence Masson-Côté, Luc Tremblay, Jérémie P Fouquet, Philippe Sarret, Sameh Geha, Kevin Whittingstall, Benoit Paquette, Martin Lepage
PURPOSE: The radiation dose delivered to brain tumors is limited by the possibility to induce vascular damage and necrosis in surrounding healthy tissue. In the present study, we assessed the ability of MRI to monitor the cascade of events occurring in the healthy rat brain after stereotactic radiosurgery, which could be used to optimize the radiation treatment planning. METHODS: The primary somatosensory forelimb area (S1FL) and the primary motor cortex in the right hemisphere of Fischer rats (n = 6) were irradiated with a single dose of Gamma Knife radiation (Leksell Perfexion, Elekta AG, Stockholm, Sweden)...
November 10, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27851873/mri-surveillance-of-cancer-cell-fate-in-a-brain-metastasis-model-after-early-radiotherapy
#6
Donna H Murrell, Niloufar Zarghami, Michael D Jensen, Fiona Dickson, Ann F Chambers, Eugene Wong, Paula J Foster
PURPOSE: Incidence of brain metastasis attributed to breast cancer is increasing and prognosis is poor. It is thought that disseminated dormant cancer cells persist in metastatic organs and may evade treatments, thereby facilitating a mechanism for recurrence. Radiotherapy is used to treat brain metastases clinically, but assessment has been limited to macroscopic tumor volumes detectable by clinical imaging. Here, we use cellular MRI to understand the concurrent responses of metastases and nonproliferative or slowly cycling cancer cells to radiotherapy...
November 14, 2016: Magnetic Resonance in Medicine: Official Journal of the Society of Magnetic Resonance in Medicine
https://www.readbyqxmd.com/read/27837553/biobanking-an-important-resource-for-precision-medicine-in-glioblastoma
#7
Si Yan Melanie Tan, Edwin Sandanaraj, Carol Tang, Beng Ti Christopher Ang
The Cancer Genome Atlas effort has generated significant interest in a new paradigm shift in tumor tissue analysis, patient diagnosis and subsequent treatment decision. Findings have highlighted the limitation of sole reliance on histology, which can be confounded by inter-observer variability. Such studies demonstrate that histologically similar grade IV brain tumors can be divided into four molecular subtypes based on gene expression, with each subtype demonstrating unique genomic aberrations and clinical outcome...
2016: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/27804866/therapeutic-potential-future-perspective-and-challenges-of-cancer-stem-cells-in-translational-oncology-a-critical-review
#8
Gaurav Shukla, Amit Kumar Srivastava, Rahul Patidar, Piush Khare, Rajiv Saxena
Stem cell research is a rapidly developing field that offers effective treatment for a variety of malignant and non-malignant diseases. Stem cell is a regenerative medicine associated with the replacement, repair, and restoration of injured tissue. Stem cell research is a promising field having maximum therapeutic potential. Cancer stem cells (CSCs) are the cells within the tumor that posse's capacity of self-renewal and have root cause for the failure of traditional therapies leading to re-occurrence of cancer...
October 28, 2016: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/27796565/effects-of-jiaotaiwan-on-depressive-like-behavior-in-mice-after-lipopolysaccharide-administration
#9
Qian Zhe, Wang Sulei, Tao Weiwei, Long Hongyan, Wang Jianwei
Jiao-Tai-Wan (JTW), has been usually used for insomnia in traditional Chinese medicine (TCM). The previous study shown that JTW was benefit for depression-like behavior, but the possible mechanism is not clear. This study is to determine whether JTW was benefit for the treatment of lipopolysaccharide (LPS)-induced depression-like behavior in mice and explore its possible mechanism. All drugs were intragastrically administered once daily for 7 consecutive days. On the 7th day, LPS was injected into mice 30 min after drug administration...
October 30, 2016: Metabolic Brain Disease
https://www.readbyqxmd.com/read/27765361/aralia-elata-var-mandshurica-rupr-maxim-j-wen-an-overview-of-pharmacological-studies
#10
Alexander N Shikov, Olga N Pozharitskaya, Valery G Makarov
PURPOSE: Aralia elata var. mandshurica (Rupr. & Maxim.) J.Wen syn. A. mandshurica Rupr. & Maxim is evaluated for its medicinal application. The aim of this study is to analyze pharmacological studies on A. elata var. mandshurica published until December 2015. METHODS: The information regarding the chemistry, safety, effectiveness, and pharmacological and clinical effects of A. elata was systematically collected from the scientific literature through library catalogs; online services such as E-library...
November 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27764145/the-relationship-between-parkinson-disease-and-brain-tumor-a-meta-analysis
#11
Rong Ye, Ting Shen, Yasi Jiang, Lingjia Xu, Xiaoli Si, Baorong Zhang
OBJECTIVE: Epidemiological studies have investigated the association between Parkinson disease (PD) occurrence and the risk of brain tumors, while the results remain controversial. We performed a meta-analysis to clarify the exact relationship between PD and brain tumors. METHODS: A systematic literature search was conducted using PubMed, Embase, ScienceDirect and CBM (China Biology Medicine Disc) before February 2016. Eligible studies were those that reported risk estimates of brain tumors among patients with PD or vice versa...
2016: PloS One
https://www.readbyqxmd.com/read/27742112/radiomics-in-brain-tumors-an-emerging-technique-for-characterization-of-tumor-environment
#12
Aikaterini Kotrotsou, Pascal O Zinn, Rivka R Colen
The role of radiomics in the diagnosis, monitoring, and therapy planning of brain tumors is becoming increasingly clear. Incorporation of quantitative approaches in radiology, in combination with increased computer power, offers unique insights into macroscopic tumor characteristics and their direct association with the underlying pathophysiology. This article presents the most recent findings in radiomics and radiogenomics with respect to identifying potential imaging biomarkers with prognostic value that can lead to individualized therapy...
November 2016: Magnetic Resonance Imaging Clinics of North America
https://www.readbyqxmd.com/read/27698865/rapid-increase-in-cystic-volume-of-an-anaplastic-astrocytoma-misdiagnosed-as-neurocysticercosis-a-case-report
#13
Hong-Jiang Li, Hong-Xiu Han, Dong-Fu Feng
Reports describing a rapid increase in the cystic volume of anaplastic astrocytoma (AA) in a short time frame are rare. The present study reports the case of a 68-year-old male who was admitted to the No. 9 People's Hospital, Shanghai Jiaotong University School of Medicine (Shanghai, China), with a small cystic brain lesion and positive immunological testing for cysticercosis. Head magnetic resonance imaging (MRI) showed a cystic lesion, 6 mm in diameter, in the left frontal lobe. Neurocysticercosis was suspected and the patient was treated with a clinical trial of albendazole and steroids...
October 2016: Oncology Letters
https://www.readbyqxmd.com/read/27676853/pediatric-rehabilitation-and-pediatric-oncology-a-winner-association-the-experience-of-grenoble-pediatric-hospital
#14
Véronique Bourg, Anne Descotes, Anne Pagnier, Jacques Griffet, Dominique Plantaz
The Child and Family Hospital of Grenoble is one of the rare university hospitals in France to benefit from the presence of a physician specializing in rehabilitation medicine. This hospital includes both inpatient and outpatient units. During the temporary closure of one department, certain members of the rehabilitation unit were reassigned to the acute care wards of the pediatric department, including physical therapists, occupational therapists, and speech therapists. Over the course of one year, these therapists completed more than 150 interventions in this department, more than half of which were in the hematology and oncology ward...
September 2016: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/27666556/-tumor-cells-and-micro-environment-in-brain-metastases
#15
Wen Zhong, Chengping Hu
Improvements in survival and quality of life of patients with lung cancer had been achieved due to the progression of early diagnosis and precision medicine at recent years, however, until now, treatments targeted at lesions in central nervous system are far from satisfying, thus threatening livelihood of patients involved. After all, in the issue of prophylaxis and therapeutics of brain metastases, it is crucial to learn about the biological behavior of tumor cells in brain metastases and its mechanism underlying, and the hypothesis "seed and soil", that is, tumor cells would generate series of adaptive changes to fit in the new environment, is liable to help explain this process well...
September 20, 2016: Zhongguo Fei Ai za Zhi, Chinese Journal of Lung Cancer
https://www.readbyqxmd.com/read/27661768/detecting-tumor-progression-in-glioma-current-standards-and-new-techniques
#16
Jean-Guy Belliveau, Glenn Bauman, David R Macdonald
The post-treatment monitoring of glioma patients remains an area of active research and development. Conventional imaging with MRI is a highly sensitive modality for detecting and monitoring primary and secondary brain tumors and includes multi-parametric sequences to better characterize the disease. Standardized schemes for measuring response to treatment are in wide clinical use; however, the introduction of new therapeutics have introduced new patterns of response that can confound interpretation of conventional MRI and can cause uncertainty in the proper management following therapy...
October 8, 2016: Expert Review of Anticancer Therapy
https://www.readbyqxmd.com/read/27557118/towards-precision-medicine-based-therapies-for-glioblastoma-interrogating-human-disease-genomics-and-mouse-phenotypes
#17
Yang Chen, Zhen Gao, Bingcheng Wang, Rong Xu
BACKGROUND: Glioblastoma (GBM) is the most common and aggressive brain tumors. It has poor prognosis even with optimal radio- and chemo-therapies. Since GBM is highly heterogeneous, drugs that target on specific molecular profiles of individual tumors may achieve maximized efficacy. Currently, the Cancer Genome Atlas (TCGA) projects have identified hundreds of GBM-associated genes. We develop a drug repositioning approach combining disease genomics and mouse phenotype data towards predicting targeted therapies for GBM...
2016: BMC Genomics
https://www.readbyqxmd.com/read/27509070/defining-glioblastoma-resectability-through-the-wisdom-of-the-crowd-a-proof-of-principle-study
#18
Adam M Sonabend, Brad E Zacharia, Michael B Cloney, Aarón Sonabend, Christopher Showers, Victoria Ebiana, Matthew Nazarian, Kristin R Swanson, Anne Baldock, Henry Brem, Jeffrey N Bruce, William Butler, Daniel P Cahill, Bob Carter, Daniel A Orringer, David W Roberts, Oren Sagher, Nader Sanai, Theodore H Schwartz, Daniel L Silbergeld, Michael B Sisti, Reid C Thompson, Allen E Waziri, Guy McKhann
BACKGROUND: Extent of resection (EOR) correlates with glioblastoma outcomes. Resectability and EOR depend on anatomical, clinical, and surgeon factors. Resectability likely influences outcome in and of itself, but an accurate measurement of resectability remains elusive. An understanding of resectability and the factors that influence it may provide a means to control a confounder in clinical trials and provide reference for decision making. OBJECTIVE: To provide proof of concept of the use of the collective wisdom of experienced brain tumor surgeons in assessing glioblastoma resectability...
August 4, 2016: Neurosurgery
https://www.readbyqxmd.com/read/27447432/development-implementation-and-use-of-a-local-and-global-clinical-registry-for-neurosurgery
#19
Douglas Kondziolka, Benjamin T Cooper, L Dade Lunsford, Joshua Silverman
Physicians are being challenged to obtain data for outcomes research and measures of quality practice in medicine. We developed a prospective data collection system (registry) that provides data points across all elements of a neurosurgical stereotactic radiosurgery practice. The registry architecture is scalable and suitable for any aspect of neurosurgical practice. Our purpose was to outline the challenges in creating systems for high quality data acquisition and describe experiences in initial testing and use...
June 2015: Big Data
https://www.readbyqxmd.com/read/27440185/pet-radiopharmaceuticals-for-personalized-medicine
#20
Sushil K Sharma
Recent advances in the self-shielded cyclotrons, improved targets, video-monitored hot cells design, and automated PET radiopharmaceutical (RPs) synthesis modules, utilizing computer-controlled graphic user interphase (GUI) has revolutionized PET molecular imaging technology for basic biomedical research and theranostics to accomplish the ultimate goal of evidence-based personalized medicine. Particularly, [18F]HX4: (3-[18F]fluoro-2-(4-((2-nitro-1Himidazol-1-yl)methyl)-1H-1,2,3,-triazol-1-yl)-propan-1-ol), 18F-FAZA: 1-(5-[18F]Fluoro-5-deoxy-α-D-arabinofuranosyl)-2-nitroimidazole, and 18F-FMSIO: 18F-Ffluoromisonidazole to assess tumor hypoxia, [18F]FB-VAD-FMK: [18F]4-fluorobenzylcarbonyl-Val-Ala-Asp(OMe)-fluoromethylketone to determine in vivo apoptosis, 64Cu-PTSM: 64Cu-Pyrualdehyde Bis-N-Methylthiosemicarbazone for brain and myocardial perfusion imaging, and 68Ga-DOTATOC: 68Ga-DOTAD-Phy1-Tyr3-octreotide and 68Ga-DOTANOC: 68Ga-(1,4,7,10-tetraazacyclododecane-N,N',N'',N'''-tetraacetic acid)-1-NaI3-octreotide for neuroendocrine and neural crest tumors have demonstrated great promise in personalized theranostics...
July 19, 2016: Current Drug Targets
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