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https://www.readbyqxmd.com/read/28731036/stroke-in-women-from-evidence-to-inequalities
#1
REVIEW
Charlotte Cordonnier, Nikola Sprigg, Else Charlotte Sandset, Aleksandra Pavlovic, Katharina S Sunnerhagen, Valeria Caso, Hanne Christensen
Stroke is the second largest cause of disability-adjusted life-years lost worldwide. The prevalence of stroke in women is predicted to rise rapidly, owing to the increasing average age of the global female population. Vascular risk factors differ between women and men in terms of prevalence, and evidence increasingly supports the clinical importance of sex differences in stroke. The influence of some risk factors for stroke - including diabetes mellitus and atrial fibrillation - are stronger in women, and hypertensive disorders of pregnancy also affect the risk of stroke decades after pregnancy...
July 21, 2017: Nature Reviews. Neurology
https://www.readbyqxmd.com/read/28730896/cannabinoid-hyperemesis-syndrome-potential-mechanisms-for-the-benefit-of-capsaicin-and-hot-water-hydrotherapy-in-treatment
#2
John R Richards, Jeff M Lapoint, Guillermo Burillo-Putze
INTRODUCTION: Cannabinoid hyperemesis syndrome is a clinical disorder that has become more prevalent with increasing use of cannabis and synthetic cannabinoids, and which is difficult to treat. Standard antiemetics commonly fail to alleviate the severe nausea and vomiting characteristic of the syndrome. Curiously, cannabinoid hyperemesis syndrome patients often report dramatic relief of symptoms with hot showers and baths, and topical capsaicin. OBJECTIVES: In this review, we detail the pharmacokinetics and pharmacodynamics of capsaicin and explore possible mechanisms for its beneficial effect, including activation of transient receptor potential vanilloid 1 and neurohumoral regulation...
July 21, 2017: Clinical Toxicology
https://www.readbyqxmd.com/read/28730890/the-biopsychosocial-model-of-illness-a-model-whose-time-has-come
#3
Derick T Wade, Peter W Halligan
The biopsychosocial model outlined in Engel's classic Science paper four decades ago emerged from dissatisfaction with the biomedical model of illness, which remains the dominant healthcare model. Engel's call to arms for a biopsychosocial model has been taken up in several healthcare fields, but it has not been accepted in the more economically dominant and politically powerful acute medical and surgical domains. It is widely used in research into complex healthcare interventions, it is the basis of the World Health Organisation's International Classification of Functioning (WHO ICF), it is used clinically, and it is used to structure clinical guidelines...
August 2017: Clinical Rehabilitation
https://www.readbyqxmd.com/read/28730676/evaluation-of-the-specific-effects-of-intranasal-glucagon-on-circulating-glucose-and-lipid-concentrations-in-healthy-males-during-a-pancreatic-clamp
#4
Satya Dash, Changting Xiao, Priska Stahel, Khajag Koulajian, Adria Giacca, Gary F Lewis
CONTEXT: Intravenous/intramuscular glucagon stimulates hepatic glucose production and adipose lipolysis. Intranasal glucagon (ING) has recently been shown to be an effective treatment for hypoglycaemia. Intranasal administration of hormones increases its central nervous system (CNS) concentration with metabolic effects independent of its plasma concentration, potentially via CNS action. Whether ING has metabolic effects independent of plasma glucagon is unknown. OBJECTIVE: To investigate the specific effects of intranasal glucagon (ING) on plasma glucose, endogenous glucose production (EGP) and lipid concentration...
July 20, 2017: Diabetes, Obesity & Metabolism
https://www.readbyqxmd.com/read/28730491/development-of-selected-reaction-monitoring-methods-to-systematically-quantify-kinase-abundance-and-phosphorylation-stoichiometry-in-human-samples
#5
Kirsten Beck, Nathan Camp, Michael Bereman, James Bollinger, Jarrett Egertson, Michael MacCoss, Alejandro Wolf-Yadlin
Protein phosphorylation, one of the most common types of post-translational modifications, is the central regulatory mechanism of cellular signaling networks. In human cells, thousands of proteins are continuously and dynamically phosphorylated and dephosphorylated at specific sites and times in response to external and internal stimuli. Reversible phosphorylation is facilitated by the action of two protein superfamilies: kinases and phosphatases. Kinases play an essential role in almost every relevant physiological process in human cells and their deregulation is linked to pathologies ranging from cancer to autoimmune diseases...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28730219/histological-immunohistochemical-and-clinical-considerations-on-amniotic-membrane-transplant-for-ocular-surface-reconstruction
#6
Elena Şapte, Claudia Florida Costea, Alexandru Cărăuleanu, Cristina Dancă, Gabriela FlorenŢa Dumitrescu, Gabriela Dimitriu, Mădălina Adriana Chihaia, Cătălin Mihai Buzdugă, Andrei Cucu, Mihaela Dana Turliuc
Amniotic membrane (AM) transplantation has been used successfully worldwide in ophthalmology plastic surgery for over 100 years. This review presents the histological and the immunohistochemical features of AM compared to those of the conjunctiva and discusses the techniques of processing and preservation, its mechanism of action in ocular reconstruction, its clinical ophthalmic indications, but also advantages and limitations of grafting with this biomaterial.
2017: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/28729836/an-overview-of-herbal-products-and-secondary-metabolites-used-for-management-of-type-two-diabetes
#7
REVIEW
Ajda Ota, Nataša P Ulrih
Diabetes mellitus is a common effect of uncontrolled high blood sugar and it is associated with long-term damage, dysfunction, and failure of various organs. In the adult population, the global prevalence of diabetes has nearly doubled since 1980. Without effective prevention and management programs, the continuing significant rise in diabetes will have grave consequences on the health and lifespan of the world population, and also on the world economy. Supplements can be used to correct nutritional deficiencies or to maintain an adequate intake of certain nutrients...
2017: Frontiers in Pharmacology
https://www.readbyqxmd.com/read/28729445/preferential-disruption-of-prefrontal-gabaergic-function-by-nanomolar-concentrations-of-the-%C3%AE-7nach-negative-modulator-kynurenic-acid
#8
Eden Flores-Barrera, Daniel R Thomases, Daryn K Cass, Ajay Bhandari, Robert Schwarcz, John P Bruno, Kuei Y Tseng
Increased concentrations of kynurenic acid (KYNA) in the prefrontal cortex (PFC) are thought to contribute to the development of cognitive deficits observed in schizophrenia. Although this view is consistent with pre-clinical studies showing a negative impact of prefrontal KYNA elevation on executive function, the mechanism underlying such a disruption remains unclear. Here we measured changes in local field potential responses to ventral hippocampal stimulation in vivo, and conducted whole-cell patch-clamp recordings in brain slices to reveal how nanomolar concentrations of KYNA alter synaptic transmission in the PFC of male adult rats...
July 20, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28729417/mathematical-modeling-of-tumor-tumor-distant-interactions%C3%A2-supports-a-systemic-control-of-tumor-growth
#9
Sebastien Benzekry, Clare Lamont, Dominique Barbolosi, Lynn Hlatky, Philip Hahnfeldt
Interactions between different tumors within the same organism have major clinical implications, especially in the context of surgery and metastatic disease. Three main explanatory theories (competition, angiogenesis inhibition and proliferation inhibition) have been proposed but precise determinants of the phenomenon remain poorly understood. Here we formalized these theories into mathematical models and performed biological experiments to test them with empirical data. In syngeneic mice bearing two simultaneously implanted tumors, growth of only one of the tumors was significantly suppressed (61% size reduction at day 15, p<0...
July 20, 2017: Cancer Research
https://www.readbyqxmd.com/read/28729359/the-%C3%AE-defensin-retrocyclin-101-inhibits-tlr4-and-tlr2-dependent-signaling-and-protects-mice-against-influenza-infection
#10
Daniel Prantner, Kari Ann Shirey, Wendy Lai, Wuyuan Lu, Alexander M Cole, Stefanie N Vogel, Alfredo Garzino-Demo
Despite widespread use of annual influenza vaccines, seasonal influenza-associated deaths number in the thousands each year, in part because of exacerbating bacterial superinfections. Therefore, discovering additional therapeutic options would be a valuable aid to public health. Recently, TLR4 inhibition has emerged as a possible mechanism for protection against influenza-associated lethality and acute lung injury. Based on recent data showing that rhesus macaque θ-defensins could inhibit TLR4-dependent gene expression, we tested the hypothesis that a novel θ-defensin, retrocyclin (RC)-101, could disrupt TLR4-dependent signaling and protect against viral infection...
July 20, 2017: Journal of Leukocyte Biology
https://www.readbyqxmd.com/read/28729227/computational-and-experimental-prediction-of-molecules-involved-in-the-anti-melanoma-action-of-berberine
#11
Bin Liu, Xiu-Qiong Fu, Ting Li, Tao Su, Hui Guo, Pei-Li Zhu, Anfernee Kai-Wing Tse, Shi-Ming Liu, Zhi-Ling Yu
ETHNOPHARMACOLOGIC RELEVANCE: Berberine (BBR) is a naturally occurring alkaloid compound that can be found in Chinese medicinal herbs such as Rhizoma Coptidis and Phellodendri Cortex. These BBR containing herbs are commonly used by Chinese medicine doctors to treat cancers including melanoma. In this study, we explored proteins potentially involved in the anti-melanoma effects of BBR using an integrative computational and experimental approach. MATERIALS AND METHODS: Target proteins of BBR were predicted using the reverse pharmacophore screening, molecular docking and molecular dynamics...
July 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28729226/solanum-paniculatum-l-decreases-levels-of-inflammatory-cytokines-by-reducing-nf-%C3%AE%C2%BAb-t-bet-and-gata3-gene-expression-in-vitro
#12
Raimon Rios, Hugo Bernardino Ferreira da Silva, Norma Vilany Queiroz Carneiro, Anaque de Oliveira Pires, Tamires Cana Brasil Carneiro, Ryan Dos Santos Costa, Cintia Rodrigues Marques, Marta Santos Serafim Machado, Eudes da Silva Velozo, Telma M G da Silva, Tania M S da Silva, Adilva de Souza Conceição, Neuza Maria Alcântara-Neves, Camila Alexandrina Figueiredo
ETHNOPHARMACOLOGICAL RELEVANCE: Solanum paniculatum L., popularly known as jurubeba, is a common subtropical plant from Brazil, Paraguay, Bolivia, and Argentina, that is used in folk medicine for the treatment of anemia, gastrointestinal disorders and inflammatory conditions in general. In addition to that, an ethnobotanical survey in "Todos os Santos" Bay have pointed out S. paniculatum as an herb to treat asthma. Previous publications have shown that S. paniculatum possesses antibiotic, antioxidant and modulatory effects on gastric acid secretion; however, its anti-inflammatory potential remains unexplored...
July 17, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28728602/robot-assisted-training-for-the-upper-limb-after-stroke-ratuls-study-protocol-for-a-randomised-controlled-trial
#13
Helen Rodgers, Lisa Shaw, Helen Bosomworth, Lydia Aird, Natasha Alvarado, Sreeman Andole, David L Cohen, Jesse Dawson, Janet Eyre, Tracy Finch, Gary A Ford, Jennifer Hislop, Steven Hogg, Denise Howel, Niall Hughes, Hermano Igo Krebs, Christopher Price, Lynn Rochester, Elaine Stamp, Laura Ternent, Duncan Turner, Luke Vale, Elizabeth Warburton, Frederike van Wijck, Scott Wilkes
BACKGROUND: Loss of arm function is a common and distressing consequence of stroke. We describe the protocol for a pragmatic, multicentre randomised controlled trial to determine whether robot-assisted training improves upper limb function following stroke. METHODS/DESIGN: Study design: a pragmatic, three-arm, multicentre randomised controlled trial, economic analysis and process evaluation. SETTING: NHS stroke services. PARTICIPANTS: adults with acute or chronic first-ever stroke (1 week to 5 years post stroke) causing moderate to severe upper limb functional limitation...
July 20, 2017: Trials
https://www.readbyqxmd.com/read/28728530/the-fate-of-unused-embryos-discourses-action-possibilities-and-subject-positions
#14
Sonja Goedeke, Ken Daniels, Mark Thorpe, Elizabeth du Preez
Although in vitro fertilization (IVF) has offered hope to those struggling with infertility, it has also had some unintended consequences, including the fate of embryos that may be "surplus" to requirement following IVF treatment. The number of embryos in storage across the world is high, creating a dilemma for patients who need to make disposal decisions, as well as presenting an administrative and practical dilemma for clinics. Research has suggested that patients' views of the status of their embryo/s may affect their disposal decisions, and yet the nature of the links between views of the embryo and decisions to either donate or discard remain unclear...
August 2017: Qualitative Health Research
https://www.readbyqxmd.com/read/28727871/biosimilars-in-oncology-in-the-united-states-a-review
#15
Chadi Nabhan, Sandeep Parsad, Anthony R Mato, Bruce A Feinberg
Importance: Biosimilars are biological medicines that contain a highly similar version of the active substance of an already approved biologic reference product. The availability of biosimilars might provide an opportunity to lower health care expenditures as a result of the inherent price competition with their reference product. Understanding how biosimilar cancer drugs are regulated, approved, and paid for, as well as their impact in a value-based care environment, is essential for physicians and other stakeholders in oncology...
July 20, 2017: JAMA Oncology
https://www.readbyqxmd.com/read/28727782/detecting-expression-of-5t4-in-ctcs-and-tumor-samples-from-nsclc-patients
#16
Steven R Pirie-Shepherd, Cory Painter, Pamela Whalen, Pamela Vizcarra, Marc Roy, Jesse Qian, Tania Franks, Tim Coskran, Jon Golas, Shibing Deng, Wenyan Zhong, Eric Tucker, Dena Marrinucci, Hans-Peter Gerber, Eric L Powell
The fetal oncogene 5T4 is a cell surface protein, with overexpression observed in a variety of cancers as compared to normal adult tissue. The ability to select patients with tumors that express high levels of 5T4 may enrich a clinical trial cohort with patients most likely to respond to 5T4 targeted therapy. To that end, we developed assays to measure 5T4 in both tumors and in circulating tumor cells (CTCs). We identified the presence of 5T4 in both adenocarcinoma and squamous cell carcinoma of lung, in all clinical stages and grades of disease...
2017: PloS One
https://www.readbyqxmd.com/read/28727700/therapeutic-role-of-placebo-evolution-of-a-new-paradigm-in-understanding-research-and-clinical-practice
#17
Laxmaiah Manchikanti, Mark V Boswell, Alan D Kaye, Standiford Helm Ii, Joshua A Hirsch
Research into interventional techniques in managing chronic spinal pain continues to be challenging, mystifying, confusing, and biased. Insight, or lack thereof, into placebo and nocebo phenomena contributes mightily to these difficulties. Unfortunately, placebo-nocebo responses are the subject of numerous controversies and challenges from not only a research perspective, but also clinical perspective. While interventionalists consider the biggest threat to interventional pain management research is inappropriate and outdated interpretation of the data, a greater problem is the misuse of the placebo response in research, with the declaration that all and everything as a placebo effect: with a misinterpretation of the nature of the placebo the, associated conclusions can be inaccurate...
July 2017: Pain Physician
https://www.readbyqxmd.com/read/28727419/next-generation-lipids-in-rna-interference-therapeutics
#18
Stephanie Rietwyk, Dan Peer
RNA is emerging as a potential therapeutic modality for the treatment of incurable diseases. Despite intense research, the advent to clinical utility remains compromised by numerous biological barriers, hence there is a need for sophisticated delivery vehicles. In this aspect, lipid nanoparticles (LNP) are the most advanced platform among non-viral vectors for gene delivery. In this review, we critically review the literature and the reasons for ineffective delivery beyond the liver. We discuss the toxicity issues associated with permanently charged cationic lipids, and then turn our attention to next-generation ionizable cationic lipids...
July 20, 2017: ACS Nano
https://www.readbyqxmd.com/read/28726821/the-whole-genome-landscape-of-medulloblastoma-subtypes
#19
Paul A Northcott, Ivo Buchhalter, A Sorana Morrissy, Volker Hovestadt, Joachim Weischenfeldt, Tobias Ehrenberger, Susanne Gröbner, Maia Segura-Wang, Thomas Zichner, Vasilisa A Rudneva, Hans-Jörg Warnatz, Nikos Sidiropoulos, Aaron H Phillips, Steven Schumacher, Kortine Kleinheinz, Sebastian M Waszak, Serap Erkek, David T W Jones, Barbara C Worst, Marcel Kool, Marc Zapatka, Natalie Jäger, Lukas Chavez, Barbara Hutter, Matthias Bieg, Nagarajan Paramasivam, Michael Heinold, Zuguang Gu, Naveed Ishaque, Christina Jäger-Schmidt, Charles D Imbusch, Alke Jugold, Daniel Hübschmann, Thomas Risch, Vyacheslav Amstislavskiy, Francisco German Rodriguez Gonzalez, Ursula D Weber, Stephan Wolf, Giles W Robinson, Xin Zhou, Gang Wu, David Finkelstein, Yanling Liu, Florence M G Cavalli, Betty Luu, Vijay Ramaswamy, Xiaochong Wu, Jan Koster, Marina Ryzhova, Yoon-Jae Cho, Scott L Pomeroy, Christel Herold-Mende, Martin Schuhmann, Martin Ebinger, Linda M Liau, Jaume Mora, Roger E McLendon, Nada Jabado, Toshihiro Kumabe, Eric Chuah, Yussanne Ma, Richard A Moore, Andrew J Mungall, Karen L Mungall, Nina Thiessen, Kane Tse, Tina Wong, Steven J M Jones, Olaf Witt, Till Milde, Andreas Von Deimling, David Capper, Andrey Korshunov, Marie-Laure Yaspo, Richard Kriwacki, Amar Gajjar, Jinghui Zhang, Rameen Beroukhim, Ernest Fraenkel, Jan O Korbel, Benedikt Brors, Matthias Schlesner, Roland Eils, Marco A Marra, Stefan M Pfister, Michael D Taylor, Peter Lichter
Current therapies for medulloblastoma, a highly malignant childhood brain tumour, impose debilitating effects on the developing child, and highlight the need for molecularly targeted treatments with reduced toxicity. Previous studies have been unable to identify the full spectrum of driver genes and molecular processes that operate in medulloblastoma subgroups. Here we analyse the somatic landscape across 491 sequenced medulloblastoma samples and the molecular heterogeneity among 1,256 epigenetically analysed cases, and identify subgroup-specific driver alterations that include previously undiscovered actionable targets...
July 19, 2017: Nature
https://www.readbyqxmd.com/read/28726809/genomic-diagnostics-within-a-medically-underserved-population-efficacy-and-implications
#20
Kevin A Strauss, Claudia Gonzaga-Jauregui, Karlla W Brigatti, Katie B Williams, Alejandra K King, Cristopher Van Hout, Donna L Robinson, Millie Young, Kavita Praveen, Adam D Heaps, Mindy Kuebler, Aris Baras, Jeffrey G Reid, John D Overton, Frederick E Dewey, Robert N Jinks, Ian Finnegan, Scott J Mellis, Alan R Shuldiner, Erik G Puffenberger
PurposeWe integrated whole-exome sequencing (WES) and chromosomal microarray analysis (CMA) into a clinical workflow to serve an endogamous, uninsured, agrarian community.MethodsSeventy-nine probands (newborn to 49.8 years) who presented between 1998 and 2015 remained undiagnosed after biochemical and molecular investigations. We generated WES data for probands and family members and vetted variants through rephenotyping, segregation analyses, and population studies.ResultsThe most common presentation was neurological disease (64%)...
July 20, 2017: Genetics in Medicine: Official Journal of the American College of Medical Genetics
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