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Rudolph M Navari
The approach to the treatment of nausea and vomiting in a cancer patient should begin with a complete assessment, including the frequency, duration, and intensity of the nausea/vomiting; associated activities; and whether anorexia or cachexia is present. It is important to determine whether the nausea and vomiting is related to treatment (chemotherapy, radiation) or is independent of cancer treatment. Nausea/vomiting unrelated to chemotherapy and/or radiation may have an etiology for which there is a specific and potentially successful intervention...
March 15, 2018: Oncology (Williston Park, NY)
Pauline Funchain, Ahmad A Tarhini
Rapidly advancing genomic sequencing technologies are changing all areas of cancer, from diagnosis to surveillance, and prognostication to treatment. The role of genomic testing in melanoma is expanding, and multiple genomically based tests are available, including somatic tumor sequencing for actionable genetic alterations and tumor mutational burden, prognostic gene expression profiling from tumor tissue, and germline genetic testing from blood. The available testing options have varying levels of supporting data, from robust to preliminary...
March 15, 2018: Oncology (Williston Park, NY)
Nancy Wang, Matthias Osswald
The majority of meningiomas, the most common primary brain tumor, are considered to be benign, and characteristic magnetic resonance imaging features allow a preliminary diagnosis. Meningiomas can be classified in the World Health Organization system as grade I, II, or III, depending on various histological features. In many cases, observation is the preferred management option, although this means the absence of a histological diagnosis. If necessary, standard therapy consists of surgery with or without adjuvant radiation, depending on the tumor grade and the degree of resection...
February 2018: Seminars in Neurology
Scott R Plotkin, Antje Wick
Neurofibromatosis 1, neurofibromatosis 2, and schwannomatosis are a group of related classically inherited but often times sporadic tumor suppressor syndromes. Neuro-oncologists should recognize these syndromes, initiate necessary tests in patients with a clinical suspicion, and support genetic counseling of patients and families. In this review, clinical presentation, diagnostic criteria, day-to-day management including supportive care as well as updates on genetics, and experimental treatment strategies are discussed...
February 2018: Seminars in Neurology
Michael Platten, David A Reardon
Strategies to empower the immune system to successfully attack cancers, including vaccination approaches, adaptive T cell therapies, and immune checkpoint modulators, have recently achieved remarkable success across a spectrum of cancer indications. Nonetheless, with rare exception, only a minority of patients with a given type of cancer respond to an immunotherapeutic when administered as single-agent therapy. Although under extensive laboratory and clinical investigation, the role of these approaches for glioma patients remains to be determined...
February 2018: Seminars in Neurology
Philipp Kickingereder, Ovidiu Cristian Andronesi
Magnetic resonance imaging plays a key role in diagnosis and treatment monitoring of brain tumors. Novel imaging techniques that specifically interrogate aspects of underlying tumor biology and biochemical pathways have great potential in neuro-oncology. This review focuses on the emerging role of 2-hydroxyglutarate-targeted magnetic resonance spectroscopy, as well as radiomics and radiogenomics in establishing diagnosis for isocitrate dehydrogenase mutant gliomas, and for monitoring treatment response and predicting prognosis of this group of brain tumor patients...
February 2018: Seminars in Neurology
Martha Nowosielski, Patrick Y Wen
The identification of more effective therapies for brain tumors has been limited in part by the lack of reliable criteria for determining response and progression. Since its introduction in 1990, the MacDonald criteria have been used in neuro-oncology clinical trials to determine response, but they fail to address issues such as pseudoprogression, pseudoresponse, and nonenhancing tumor progression that have arisen with more recent therapies. The Response Assessment in Neuro-Oncology (RANO) working group, a multidisciplinary international group consisting of neuro-oncologists, medical oncologists, neuroradiologists, neurosurgeons, radiation oncologists, and neuropsychologists, was formed to improve response assessment and clinical trial endpoints in neuro-oncology...
February 2018: Seminars in Neurology
Leoni Bönhof, Ludwig Steffgen, Jörg Bönhof
Step by step explanation for Color-Doppler-Sonography dealing with the transducer-application and the adjustments of the system for an optimal Doppler-angle as well as the adequate setting of scale, gain, color-box and Doppler-center-frequency.
March 16, 2018: Deutsche Medizinische Wochenschrift
Kristen Healy
The goal of this study was to evaluate the use of stable isotope labeled compounds to better understand factors influencing energy turnover in larval Culex quinquefasciatus (Say; Diptera: Culicidae). Three isotope labeled compounds were evaluated in this study, including 15N-labeled potassium nitrate, 13C-labeled glucose, and 13C-labeled leucine. Conditions were first optimized in the laboratory to determine the most appropriate concentration of isotope, as well as the half-life of enrichment. Once optimum conditions were established we used standard equations to predict and determine temperature and density-dependent energy turnover rates...
March 14, 2018: Journal of Medical Entomology
Shiqi Luo, Feng He, Junjie Luo, Shengqian Dou, Yirong Wang, Annan Guo, Jian Lu
Transfer RNA-derived small RNAs (tsRNAs) are an emerging class of small RNAs, yet their regulatory roles have not been well understood. Here we studied the molecular mechanisms and consequences of tsRNA-mediated regulation in Drosophila. By analyzing 495 public small RNA libraries, we demonstrate that most tsRNAs are conserved, prevalent and abundant in Drosophila. By carrying out mRNA sequencing and ribosome profiling of S2 cells transfected with single-stranded tsRNA mimics and mocks, we show that tsRNAs recognize target mRNAs through conserved complementary sequence matching and suppress target genes by translational inhibition...
March 14, 2018: Nucleic Acids Research
Charles Cole, Ashley Byrne, Anna E Beaudin, E Camilla Forsberg, Christopher Vollmers
RNA-sequencing (RNA-seq) is a powerful technique to investigate and quantify entire transcriptomes. Recent advances in the field have made it possible to explore the transcriptomes of single cells. However, most widely used RNA-seq protocols fail to provide crucial information regarding transcription start sites. Here we present a protocol, Tn5Prime, that takes advantage of the Tn5 transposase-based Smart-seq2 protocol to create RNA-seq libraries that capture the 5' end of transcripts. The Tn5Prime method dramatically streamlines the 5' capture process and is both cost effective and reliable...
March 14, 2018: Nucleic Acids Research
Anna M Hammersmith
Purpose: Parents' and children's lives are interwoven over the life course. Parents' positivity and negativity toward children relate to children's and parents' transitions, although the nature of this relationship is unclear. This study investigated the extent to which transitions-like those tied to residence, unions, employment, parenthood, and health-related to parents' positivity and negativity. Method: This study used the Health and Retirement Study's Psychosocial Survey from 2006 and 2010 to examine how parents' and children's transitions related to parents' positivity and negativity toward children...
March 14, 2018: Gerontologist
J Michael Dickson, Xu Wang, Alexander E St John, Esther B Lim, Susan A Stern, Nathan J White
Introduction: Traumatic brain injury (TBI) and hemorrhagic shock (HS) are the leading causes of traumatic death worldwide and particularly on the battlefield. They are especially challenging when present simultaneously (polytrauma), and clear blood pressure end points during fluid resuscitation are not well described for this situation. The goal of this study is to evaluate for any benefit of increasing blood pressure using a vasopressor on brain blood flow during initial fluid resuscitation in a swine polytrauma model...
March 14, 2018: Military Medicine
Huanhuan Hu, Naoko Sasaki, Takayuki Ogasawara, Satsue Nagahama, Shamima Akter, Keisuke Kuwahara, Takeshi Kochi, Masafumi Eguchi, Ikuko Kashino, Taizo Murakami, Makiko Shimizu, Akihiko Uehara, Makoto Yamamoto, Tohru Nakagawa, Toru Honda, Shuichiro Yamamoto, Ai Hori, Chihiro Nishiura, Hiroko Okazaki, Teppei Imai, Akiko Nishihara, Toshiaki Miyamoto, Kentaro Tomita, Isamu Kabe, Tetsuya Mizoue, Naoki Kunugita, Seitaro Dohi
Introduction: We aimed to determine the prospective association of smoking status, smoking intensity, and smoking cessation with the risk of hearing loss in a large Japanese cohort. Methods: The cohort study included 50195 employees, who were aged 20-64 years and free of hearing loss at baseline. Participants were followed up for a maximum of 8 years. Pure-tone audiometric testing was performed annually to identify hearing loss at 1 and 4 kHz. Cox proportional hazards regression models were used to investigate the association between smoking and hearing loss...
March 14, 2018: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
Gordon G Wisbach, Joshua Peters, Jenise Leon Guerrero, Nelson Mozzini, Helen Metzger
Introduction: The obesity epidemic in the USA includes active duty service members in the military and effects physical readiness. At the Naval Medical Center San Diego command, the Health & Wellness Department is charged with administering the Weight Management Programs (WMP) for sailors in the San Diego area to ensure military physical readiness requirements. The optimal allocation of personnel and resources to manage these programs is paramount for mission success. We analyzed the cost and effectiveness of the WMPs for the active duty population stationed at Naval Medical Center San Diego (NMCSD) with the intent of offering potential recommendations for program optimization...
March 14, 2018: Military Medicine
Devin Ancona, Dan York, Robert J Higgins, Danika Bannasch, Peter J Dickinson
Choroid plexus tumors (CPTs) occur spontaneously in humans and dogs providing an opportunity for comparative cross species analysis of common tumor mechanisms. Large scale chromosomal copy number alterations are the hallmark of human CPTs and identification of driver genes within these regions is problematic. Copy number alterations in 12 spontaneous dog CPTs were defined using an Illumina 170 K single nucleotide polymorphism array and were characterized by highly recurrent whole chromosomal losses in up to 100% of cases with few chromosome wide gains...
March 14, 2018: Journal of Neuropathology and Experimental Neurology
Bryan W Heckman, K Michael Cummings, Georges J Nahas, Marc C Willemsen, Richard J O'Connor, Ron Borland, Alexander A Hirsch, Warren K Bickel, Matthew J Carpenter
Introduction: The demand for alternative nicotine/tobacco products is not well established. This paper uses a behavioral economic approach to test whether smokers have differential demand for conventional factory-made, electronic, and very low nicotine content cigarettes (FMCs/ECs/VLNCs) and uses the prospective cohort design to test the predictive validity of demand indices on subsequent use of commercially available FMCs and ECs. Methods: Daily smokers (>16 years) from the Netherlands completed an online survey in April 2014 (N=1215)...
March 14, 2018: Nicotine & Tobacco Research: Official Journal of the Society for Research on Nicotine and Tobacco
Xu Chen, Stefan Gustafsson, Thomas Whitington, Yan Borné, Erik Lorentzen, Jitong Sun, Peter Almgren, Jun Su, Robert Karlsson, Jie Song, Yi Lu, Yiqiang Zhan, Sara Hägg, Per Svensson, Karin E Smedby, Susan L Slager, Erik Ingelsson, Cecilia M Lindgren, Andrew P Morris, Olle Melander, Thomas Karlsson, Ulf de Faire, Kenneth Caidahl, Gunnar Engström, Lars Lind, Mikael C I Karlsson, Nancy L Pedersen, Johan Frostegård, Patrik K E Magnusson
Phosphorylcholine (PC) is an epitope on oxidized low-density lipoprotein (oxLDL), apoptotic cells and several pathogens like Streptococcus pneumoniae. Immunoglobulin M against PC (IgM anti-PC) has the ability to inhibit uptake of oxLDL by macrophages and increase clearance of apoptotic cells. From our genome-wide association studies (GWAS) in four European-ancestry cohorts, six SNPs in 11q24.1 were discovered (in 3002 individuals) and replicated (in 646 individuals) to be associated with serum level of IgM anti-PC (the leading SNP rs35923643-G, combined beta=0...
March 14, 2018: Human Molecular Genetics
Rika Fukumori, Yoji Masuda, Ayaka Takeuchi, Rina Yanai, Khurchabiling Atchalalt, Borjigin Sarentonglaga, Kazuko Ogata, Mio Yamaguchi, Asuka Hara, Akane Sato, Toshihisa Sugino, Yoshikazu Nagao
The aim of this study was to investigate how intra-duodenal infusions of fatty acids (FA) affect appetite-related gut peptides such as glucagon-like peptide-1 (GLP-1) and ghrelin in sheep. We hypothesized that these peptides can be highly reactive to unsaturated long-chain FA, because they are well known to decrease DMI. Four ewes were fitted with a duodenal cannula and a jugular vein catheter for a 6-h duodenal infusion of the nine FA (C8:0, C10:0, C12:0, C14:0, C16:0, C18:0, C18:1, C18:2, C18:3) and water (control)...
March 14, 2018: Journal of Animal Science
Jason El Brihi, Rob Horne, Kate Faasse
Background: Recent evidence indicates that placebo effects can occur even when patients know that they are taking a placebo, termed the open-label placebo effect. Aim: To assess whether placebo dose (one pill per day vs. four pills per day), treatment expectancies, and adherence contribute to open-label placebo effects. Method: Healthy undergraduate participants were randomly assigned to take one or four open-label placebo pills per day or to a no-treatment control group...
March 14, 2018: Annals of Behavioral Medicine: a Publication of the Society of Behavioral Medicine
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