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https://www.readbyqxmd.com/read/28088808/shunt-surgery-in-idiopathic-intracranial-hypertension-aided-by-electromagnetic-navigation
#1
Elvis J Hermann, Manolis Polemikos, Hans E Heissler, Joachim K Krauss
BACKGROUND: Idiopathic intracranial hypertension (IIH) is characterized by increased cerebrospinal fluid (CSF) pressure and normal or slit ventricles. Lumboperitoneal shunting had been favored by many investigators for CSF diversion in IIH for decades; however, it has been associated with various side effects. Because of the small ventricular size adequate positioning of a ventricular catheter is challenging. OBJECTIVES: Here, we investigated the usefulness of electromagnetic (EM)-guided ventricular catheter placement for ventriculoperitoneal shunting in IIH...
January 14, 2017: Stereotactic and Functional Neurosurgery
https://www.readbyqxmd.com/read/28088782/pde5-inhibitors-enhance-the-lethality-of-pemetrexed-sorafenib
#2
Laurence Booth, Jane L Roberts, Andrew Poklepovic, Paul Dent
The combination of pemetrexed and sorafenib has significant clinical activity against a wide variety of tumor types in patients and the present studies were performed to determine whether sildenafil enhances the killing potential of [pemetrexed + sorafenib]. In multiple genetically diverse lung cancer cell lines, sildenafil enhanced the lethality of [pemetrexed + sorafenib]. The three-drug combination reduced the activities of AKT, mTOR and STAT transcription factors; increased the activities of eIF2α and ULK-1; lowered the expression of MCL-1, BCL-XL, thioredoxin and SOD2; and increased the expression of Beclin1...
January 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28087807/field-validation-of-the-los-angeles-motor-scale-as-a-tool-for-paramedic-assessment-of-stroke-severity
#3
Joon-Tae Kim, Pil-Wook Chung, Sidney Starkman, Nerses Sanossian, Samuel J Stratton, Marc Eckstein, Frank D Pratt, Robin Conwit, David S Liebeskind, Latisha Sharma, Lucas Restrepo, May-Kim Tenser, Miguel Valdes-Sueiras, Jeffrey Gornbein, Scott Hamilton, Jeffrey L Saver
BACKGROUND AND PURPOSE: The Los Angeles Motor Scale (LAMS) is a 3-item, 0- to 10-point motor stroke-deficit scale developed for prehospital use. We assessed the convergent, divergent, and predictive validity of the LAMS when performed by paramedics in the field at multiple sites in a large and diverse geographic region. METHODS: We analyzed early assessment and outcome data prospectively gathered in the FAST-MAG trial (Field Administration of Stroke Therapy-Magnesium phase 3) among patients with acute cerebrovascular disease (cerebral ischemia and intracranial hemorrhage) within 2 hours of onset, transported by 315 ambulances to 60 receiving hospitals...
January 13, 2017: Stroke; a Journal of Cerebral Circulation
https://www.readbyqxmd.com/read/28087763/circadian-kinetics-of-cell-cycle-progression-in-adult-neurogenic-niches-of-a-diurnal-vertebrate
#4
Veronica Akle, Alexander J Stankiewicz, Vasili Kharchenko, Lili Yu, Peter V Kharchenko, Irina V Zhdanova
: The circadian system may regulate adult neurogenesis via intracellular molecular clock mechanisms or by modifying the environment of neurogenic niches, with daily variation in growth factors or nutrients depending on the animal's diurnal or nocturnal life-style. In a diurnal vertebrate, zebrafish, we studied circadian distribution of immunohistochemical markers of the cell division cycle (CDC) in five of the sixteen neurogenic niches of adult brain, the dorsal telencephalon, habenula, preoptic area, hypothalamus and cerebellum...
January 13, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28087732/novel-gnb1-mutations-disrupt-assembly-and-function-of-g-protein-heterotrimers-and-cause-global-developmental-delay-in-humans
#5
Katja Lohmann, Ikuo Masuho, Dipak N Patil, Hauke Baumann, Eva Hebert, Sofia Steinrücke, Daniel Trujillano, Nickolas K Skamangas, Valerija Dobricic, Irina Hüning, Gabriele Gillessen-Kaesbach, Ana Westenberger, Dusanka Savic-Pavicevic, Alexander Münchau, Gabriela Oprea, Christine Klein, Arndt Rolfs, Kirill A Martemyanov
Global developmental delay (GDD), often accompanied by intellectual disability, seizures and other features is a severe, clinically and genetically highly heterogeneous childhood-onset disorder. In cases where genetic causes have been identified, de-novo mutations in neuronally expressed genes are a common scenario. These mutations can be best identified by exome sequencing of parent-offspring trios. De novo mutations in the guanine nucleotide-binding protein, beta 1 (GNB1) gene, encoding the Gβ1 subunit of heterotrimeric G proteins, have recently been identified as a novel genetic cause of GDD...
January 13, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28087578/distinct-binding-of-pet-ligands-pbb3-and-av-1451-to-tau-fibril-strains-in-neurodegenerative-tauopathies
#6
Maiko Ono, Naruhiko Sahara, Katsushi Kumata, Bin Ji, Ruiqing Ni, Shunsuke Koga, Dennis W Dickson, John Q Trojanowski, Virginia M-Y Lee, Mari Yoshida, Isao Hozumi, Yasumasa Yoshiyama, John C van Swieten, Agneta Nordberg, Tetsuya Suhara, Ming-Rong Zhang, Makoto Higuchi
Diverse neurodegenerative disorders are characterized by deposition of tau fibrils composed of conformers (i.e. strains) unique to each illness. The development of tau imaging agents has enabled visualization of tau lesions in tauopathy patients, but the modes of their binding to different tau strains remain elusive. Here we compared binding of tau positron emission tomography ligands, PBB3 and AV-1451, by fluorescence, autoradiography and homogenate binding assays with homologous and heterologous blockades using tauopathy brain samples...
January 12, 2017: Brain: a Journal of Neurology
https://www.readbyqxmd.com/read/28087270/examining-the-reliability-and-validity-of-the-clinical-assessment-interview-for-negative-symptoms-within-the-management-of-schizophrenia-in-clinical-practice-mosaic-multisite-national-study
#7
Jack J Blanchard, Kristen R Bradshaw, Cristina P Garcia, Henry A Nasrallah, Philip D Harvey, Daniel Casey, Csilla T Csoboth, James I Hudson, Laura Julian, Ellen Lentz, Keith H Nuechterlein, Diana O Perkins, Tracey G Skale, Lonnie R Snowden, Rajiv Tandon, Cenk Tek, Dawn Velligan, Sophia Vinogradov, Cedric O'Gorman
The current study sought to expand on prior reports of the validity and reliability of the CAINS (CAINS) by examining its performance across diverse non-academic clinical settings as employed by raters not affiliated with the scale's developers and across a longer test-retest follow-up period. The properties of the CAINS were examined within the Management of Schizophrenia in Clinical Practice (MOSAIC) schizophrenia registry. A total of 501 participants with a schizophrenia spectrum diagnosis who were receiving usual care were recruited across 15 national Patient Assessment Centers and evaluated with the CAINS, other negative symptom measures, and assessments of functioning, quality of life and cognition...
January 11, 2017: Schizophrenia Research
https://www.readbyqxmd.com/read/28087116/application-of-whole-exome-sequencing-in-elucidating-the-phenotype-and-genotype-spectrum-of-junctional-epidermolysis-bullosa-a-preliminary-experience-of-a-tertiary-care-centre-in-india
#8
Vamsi K Yenamandra, Shamsudheen K Vellarikkal, Manoj Kumar, Madhumita R Chowdhury, Rijith Jayarajan, Ankit Verma, Vinod Scaria, Sridhar Sivasubbu, Subrata B Ray, Amit K Dinda, Madhulika Kabra, Punit Kaur, Vinod K Sharma, Gomathy Sethuraman
BACKGROUND: Junctional epidermolysis bullosa (JEB) is a diverse group of genodermatoses associated with extreme skin fragility. Despite several well-characterized genetic studies, molecular diagnosis of this heterogeneous group is still challenging. Recent advances in the field of genomics have seen the successful implementation of whole exome sequencing (WES) as a fast and efficient diagnostic strategy in several genodermatoses. OBJECTIVE: In view of the scarcity and need of molecular studies for JEB in India, we sought to explore the potential of WES in understanding the mutational spectrum of this rare, in certain subtypes lethal, sub-group of EB...
December 29, 2016: Journal of Dermatological Science
https://www.readbyqxmd.com/read/28086810/genotypic-characterization-of-orientia-tsutsugamushi-from-patients-in-two-geographical-locations-in-sri-lanka
#9
Ranjan Premaratna, Lucas S Blanton, Dilhar N Samaraweera, G Nalika N de Silva, Nilmini T G A Chandrasena, David H Walker, H J de Silva
BACKGROUND: To date more than 20 antigenically distinct strains of Orientia tsutsugamushi (OT) reported within the tsutsugamushi triangle that cause an undifferentiated acute febrile illness in humans. Genotypic characterization of OT in different geographic regions or within the same country, is important in order to establish effective diagnostics, clinical management and to develop effective vaccines. Genetic and antigenic characterization of OT causing human disease in OT-endemic regions is not known for Sri Lanka...
January 13, 2017: BMC Infectious Diseases
https://www.readbyqxmd.com/read/28081578/birth-prevalence-of-anorectal-malformations-for-the-western-cape-province-south-africa-2005-to-2012
#10
Andre Theron, Alp Numanoglu
Introduction Anorectal malformations (ARMs) are a major birth anomaly worldwide. South Africa has ethnically and geologically diverse populations. A recent publication indicated an increased birth prevalence of ARMs in the Witwatersrand referral area between 2005 and 2010. The purpose of this study was to determine the birth prevalence of ARM and its various subtypes in the Western Cape referral district over an 8-year period. Methods For an 8-year period from January 1, 2005, to December 31, 2012; retrospective data were collected from the Pediatric Surgical Departments of Red Cross War Memorial Children's Hospital, Tygerberg Children's Hospital, as well as the private sector health registries...
January 12, 2017: European Journal of Pediatric Surgery
https://www.readbyqxmd.com/read/28081302/education-and-support-needs-in-patients-with-head-and-neck-cancer-a-multi-institutional-survey
#11
Joe Jabbour, Chris Milross, Puma Sundaresan, Ardalan Ebrahimi, Heather L Shepherd, Haryana M Dhillon, Gary Morgan, Bruce Ashford, Muzib Abdul-Razak, Eva Wong, Michael Veness, Carsten E Palme, Cate Froggatt, Ruben Cohen, Rafael Ekmejian, Jessica Tay, David Roshan, Jonathan R Clark
BACKGROUND: Head and neck cancer (HNC) encompasses a diverse group of tumors, and thus providing appropriate and tailored information to patients before, during, and after treatment is a challenge. The objective of the current study was to characterize the experience and unmet needs of patients with HNC with regard to information and support provision. METHODS: A 28-question, cross-sectional survey was completed by patients treated for HNC at 1 of 4 institutions in New South Wales, Australia (Chris O'Brien Lifehouse and Liverpool, Westmead, and Wollongong hospitals)...
January 12, 2017: Cancer
https://www.readbyqxmd.com/read/28081260/comparative-genome-sequencing-reveals-within-host-genetic-changes-in-neisseria-meningitidis-during-invasive-disease
#12
Johanna Klughammer, Marcus Dittrich, Jochen Blom, Vera Mitesser, Ulrich Vogel, Matthias Frosch, Alexander Goesmann, Tobias Müller, Christoph Schoen
Some members of the physiological human microbiome occasionally cause life-threatening disease even in immunocompetent individuals. A prime example of such a commensal pathogen is Neisseria meningitidis, which normally resides in the human nasopharynx but is also a leading cause of sepsis and epidemic meningitis. Using N. meningitidis as model organism, we tested the hypothesis that virulence of commensal pathogens is a consequence of within host evolution and selection of invasive variants due to mutations at contingency genes, a mechanism called phase variation...
2017: PloS One
https://www.readbyqxmd.com/read/28080292/effect-of-the-endoclear-%C3%A2-device-on-biofilm-in-endotracheal-tubes
#13
James M Bardes, Dana Gray, Alison Wilson
BACKGROUND: Organisms trapped in biofilms cause more than 80% of medical infections. Significant investments are being made to develop methods of removing these biofilms. The endOclear(®) device is reported to remove biofilm from endotracheal tubes (ETTs) and to decrease pneumonia rates and ventilator time. METHODS: This was an observational study performed at a university Level 1 trauma center intensive care unit. A series of 40 ETTs were collected at extubation, with half of the patients having been treated daily with the endOclear(®) device...
January 12, 2017: Surgical Infections
https://www.readbyqxmd.com/read/28079715/from-k-space-to-nucleotide-insights-into-the-radiogenomics-of-brain-tumors
#14
Nabil Elshafeey, Islam Hassan, Pascal O Zinn, Rivka R Colen
Radiogenomics is a relatively new and exciting field within radiology that links different imaging features with diverse genomic events. Genomics advances provided by the Cancer Genome Atlas and the Human Genome Project have enabled us to harness and integrate this information with noninvasive imaging phenotypes to create a better 3-dimensional understanding of tumor behavior and biology. Beyond imaging-histopathology, imaging genomic linkages provide an important layer of complexity that can help in evaluating and stratifying patients into clinical trials, monitoring treatment response, and enhancing patient outcomes...
January 11, 2017: Topics in Magnetic Resonance Imaging: TMRI
https://www.readbyqxmd.com/read/28079597/histologic-findings-of-severe-therapy-resistant-asthma-from-video-assisted-thoracoscopic-surgery-biopsies
#15
Humberto E Trejo Bittar, Daniel Doberer, Mitra Mehrad, Diane C Strollo, Joseph K Leader, Sally Wenzel, Samuel A Yousem
The histologic changes occurring in severe/therapy-resistant asthma (SA) as defined by the European Respiratory Society/American Thoracic Society guidelines, particularly at the level of the distal airways are unknown. This study describes the clinical, radiologic, and histologic characteristics of 29 SA patients who underwent video-assisted thoracoscopic surgery lung biopsy. Pathologic observations were correlated with clinical features, especially the presence of autoimmune disease (AID) (15/29, 51.7%). Ten biopsies (10/29, 34...
February 2017: American Journal of Surgical Pathology
https://www.readbyqxmd.com/read/28079503/novel-evidences-of-atypical-manifestations-in-cryopyrin-associated-periodic-syndromes
#16
Segundo Bujan-Rivas, Maria Basagaña, Francisca Sena, Maria Méndez, Maria Teresa Dordal, Eva Gonzalez-Roca, Estibaliz Ruiz-Ortiz, Anna Mensa-Vilaró, Susana Plaza, Consuelo Modesto, Josep Ordi-Ros, Jordi Yagüe, Ferrán Martínez-Valle, Juan Ignacio Aróstegui
OBJECTIVES: Cryopyrin-associated periodic syndromes (CAPS) usually start during infancy as an urticarial-like rash and a marked acute phase response, with additional manifestations appearing during its evolution. The aim of this study was to expand the clinical diversity of CAPS by the description of novel atypical features. METHODS: Clinical data were collected from patients' medical charts. Sanger sequencing analyzed NLRP3. Response to anti-IL-1 blockade was evaluated by clinical assessments and by measurements of laboratory parameters...
January 9, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28079238/human-leukocyte-antigen-hladrb1-determinants-susceptibility-to-gastroesophageal-reflux-disease
#17
Batool Mutar Mahdi, Riyadh Mohamad Hasan, Wafaa Hazim Salih
BACKGROUND: - Gastroesophageal reflux disease (GERD) is characterized by diverse symptoms. There is an evidence for a genetic component to GERD as supported by familial aggregation of this disease. OBJECTIVE: - To investigate whether certain human leucocyte antigen genes HLA-DRB1 are associated with GERD. METHODS: - Patients and controls were prospectively recruited from GIT center at Al-Kindy Teaching Hospital (Baghdad-Iraq) between January 2014 and July 2016...
January 2017: Arquivos de Gastroenterologia
https://www.readbyqxmd.com/read/28078479/follow-up-cancer-care-perspectives-of-aboriginal-and-torres-strait-islander-cancer-survivors
#18
J A Meiklejohn, G Garvey, R Bailie, E Walpole, J Adams, D Williamson, J Martin, C M Bernardes, B Arley, B Marcusson, P C Valery
PURPOSE: The purpose of this study was to explore Indigenous Australian cancer survivors' perspectives of follow-up cancer care and management.. METHODS: This is a qualitative study employing individual interviews with 21 Indigenous cancer survivors (13 females, 8 males) recruited from a rural primary health service and large tertiary hospital in Brisbane, Queensland. Yarning methods were used to conduct semi-structured interviews. Yarning is a culturally appropriate, informal conversational process emphasising the importance of storytelling...
January 12, 2017: Supportive Care in Cancer: Official Journal of the Multinational Association of Supportive Care in Cancer
https://www.readbyqxmd.com/read/28078128/endoscopic-ultrasound-in-pancreatic-cancer-innovative-applications-beyond-the-basics
#19
REVIEW
Joseph Yoo, C Andrew Kistler, Linda Yan, Andrew Dargan, Ali A Siddiqui
Endoscopic ultrasound (EUS) has become a mainstay in assisting in the diagnosis and staging of pancreatic cancer. In addition, EUS provides a modality to treat chronic pain through celiac plexus neurolysis. Currently, there is growing data and utilization of EUS in more diverse and innovative applications aimed at providing more sophisticated diagnostic, prognostic and therapeutic options for patients with pancreatic cancer. EUS delivery of chemotherapy, viral and biological vectors and fiducial markers may eventually revolutionize the way clinicians approach the care of a patient with pancreatic cancer...
December 2016: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28077647/sensitive-next-generation-sequencing-method-reveals-deep-genetic-diversity-of-hiv-1-in-the-democratic-republic-of-the-congo
#20
M A Rodgers, E Wilkerson, A Vallari, C McArthur, L Sthreshley, C A Brennan, G Cloherty, T de Oliveira
: As the epidemiological epicentre of the human immunodeficiency virus (HIV) pandemic, the Democratic Republic of the Congo (DRC) is a reservoir of circulating HIV strains exhibiting high levels of diversity and recombination. In this study, we characterized HIV specimens collected in two rural areas of the DRC between 2001 and 2003 to identify rare strains of HIV. The env gp41 region was sequenced and characterized for 172 HIV-positive specimens. The env sequences were predominantly subtype A (43...
January 11, 2017: Journal of Virology
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