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https://www.readbyqxmd.com/read/28528310/comparative-analysis-of-speciation-and-bioaccessibility-of-arsenic-in-rice-grains-and-complementary-medicines
#1
S Bolan, A Kunhikrishnan, S Chowdhury, B Seshadri, R Naidu, Y S Ok
In many countries, rice grains and complementary medicines are important sources of arsenic (As) consumption. The objective of this study was to compare the speciation and bioaccessibility of As in selected rice grains and complementary medicines. A number of rice grain samples, and a range of herbal and ayurvedic medicines were analyzed for total As, speciation of As using sequential fractionation and extended x-ray absorption fine structure (EXAFS) techniques, and bioaccessibility of As using an in vitro extraction test...
May 3, 2017: Chemosphere
https://www.readbyqxmd.com/read/28528302/nanomolar-anti-sickling-compounds-identified-by-ligand-based-pharmacophore-approach
#2
Odailson Santos Paz, Milena de Jesus Pinheiro, Renan Fernandes do Espirito Santo, Cristiane Flora Villarreal, Marcelo Santos Castilho
Adenosine receptors are considered as potential targets for drug development against several diseases. The discovery of subtype 2B adenosine receptors role in erythrocyte sickling process proved its importance to neglected diseases such as sickle cell anemia, which affects approximately 29.000 people around the world, but whose treatment is restricted to just one FDA approved drug (hydroxyurea). In order to widen the therapeutic arsenal available to treat sickle cell anemia patients, it is imperative to identify new lead compounds that modify the sickling course and not just its symptoms...
May 12, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28528185/simvastatin-ameliorate-memory-deficits-and-inflammation-in-clinical-and-mouse-model-of-alzheimer-s-disease-via-modulating-the-expression-of-mir-106b
#3
Wenzhong Huang, Zhenyu Li, Liandong Zhao, Wei Zhao
BACKGROUND: Alzheimer's disease (AD) as a neurodegenerative brain disorder is a devastating pathology leading to disastrous cognitive impairments and dementia, and several studies have shown that AD is closely related to the inflammation, so anti-inflammatory treatment may provide therapeutic benefits. In this study, the effect of simvastatin on inflammation was investigated and the underlying mechanisms were explored. METHODS: First, we tested the effect of simvastatin on AD in clinical research...
May 18, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28527758/modulation-of-cb1-cannabinoid-receptor-by-allosteric-ligands-pharmacology-and-therapeutic-opportunities
#4
REVIEW
Leepakshi Khurana, Ken Mackie, Daniele Piomelli, Debra A Kendall
Cannabinoid pharmacology has been intensely studied because of cannabis' pervasive medicinal and non-medicinal uses as well as for the therapeutic potential of cannabinoid-based drugs for the treatment of pain, anxiety, substance abuse, obesity, cancer and neurodegenerative disorders. The identification of allosteric modulators of the cannabinoid receptor 1 (CB1) has given a new direction to the development of cannabinoid-based therapeutics due to the many advantages offered by targeting allosteric site(s)...
May 17, 2017: Neuropharmacology
https://www.readbyqxmd.com/read/28527132/gankyrin-as-a-potential-therapeutic-target-for-cancer
#5
REVIEW
Chongchong Wang, Li Cheng
Gankyrin is an oncoprotein that plays a central role in the development of cancer. Although researchers have increasingly focused on the relationships of gankyrin with carcinogenesis, metastasis and prognosis of different cancers, the molecular mechanisms are still unclear. In recent years, several interacting partners of gankyrin and cell signaling pathways regulated by gankyrin have been elucidated. In addition, accumulating evidence has indicated the contribution of microRNAs to regulating gankyrin expression in tumor cells...
May 19, 2017: Investigational New Drugs
https://www.readbyqxmd.com/read/28527082/usefulness-of-an-occlusal-device-in-the-treatment-of-medication-overuse-headache-and-persistent-idiopathic-facial-pain-preliminary-results
#6
H A Didier, M Curone, V Tullo, A H Didier, R Cornalba, A B Giannì, G Bussone
There is a debate in literature about the therapeutic usefulness of oral devices in patients suffering from Medication Overuse Headache (MOH) or in patients suffering from Persistent Idiopathic Facial Pain (PIFP). From the case histories of 3356 patients, referred to us with a diagnosis of chronic craniofacial pain for assessment of the eventual application of an occlusal device to correct an impaired neuromuscular relationship between the mandible and the maxilla, we selected, following the criteria of the International Classification of Headache Disorders (ICHD-3beta), two groups of patients suffering from MOH and PIFP...
May 2017: Neurological Sciences
https://www.readbyqxmd.com/read/28527049/early-rise-in-postoperative-creatinine-for-identification-of-acute-kidney-injury-after-cardiac-surgery
#7
Keyvan Karkouti, Vivek Rao, Christopher T Chan, Duminda N Wijeysundera
PURPOSE: Acute kidney injury (AKI) is a potentially serious complication of cardiac surgery. Treatment strategies are unlikely to prove efficacious unless patients are identified and treated soon after the onset of injury. In this observational study, we determined and validated the ability of an early rise in postoperative serum creatinine to identify patients who suffer AKI during cardiac surgery. METHODS: The relationship between an early rise in creatinine (immediate postoperative / preoperative creatinine) and AKI (> 50% increase in creatinine by postoperative calendar days 1or 2) was determined by logistic regression modelling...
May 19, 2017: Canadian Journal of Anaesthesia, Journal Canadien D'anesthésie
https://www.readbyqxmd.com/read/28527022/comparison-of-echocardiographic-parameters-to-assess-right-ventricular-function-in-pulmonary-hypertension
#8
Hirohisa Amano, Shichiro Abe, Suguru Hirose, Ryutaro Waku, Taiki Masuyama, Masashi Sakuma, Shigeru Toyoda, Isao Taguchi, Teruo Inoue, Chuwa Tei
Although measurement of right ventricular ejection fraction (RVEF) may be relevant for evaluation of therapeutic efficacy and/or prognosis in patients with pulmonary hypertension, RVEF obtained by echocardiography has limited accuracy. In contrast, radionuclide and/or magnetic resonance imaging can measure RVEF more reliably. In this study, we investigated the relationship between RVEF measured by radionuclide angiography and the echocardiographic parameters that are recommended by the American Society of Echocardiography as representative of right heart function...
May 19, 2017: Heart and Vessels
https://www.readbyqxmd.com/read/28526832/identification-of-a-novel-chalcone-derivative-that-inhibits-notch-signaling-in-t-cell-acute-lymphoblastic-leukemia
#9
Mattia Mori, Luca Tottone, Deborah Quaglio, Nadezda Zhdanovskaya, Cinzia Ingallina, Marisa Fusto, Francesca Ghirga, Giovanna Peruzzi, Maria Elisa Crestoni, Fabrizio Simeoni, Francesca Giulimondi, Claudio Talora, Bruno Botta, Isabella Screpanti, Rocco Palermo
Notch signaling is considered a rational target in the therapy of several cancers, particularly those harbouring Notch gain of function mutations, including T-cell acute lymphoblastic leukemia (T-ALL). Although currently available Notch-blocking agents are showing anti-tumor activity in preclinical studies, they are not effective in all the patients and often cause severe side-effects, limiting their widespread therapeutic use. Here, by functional and biological analysis of the most representative molecules of an in house library of natural products, we have designed and synthetized the chalcone-derivative 8 possessing Notch inhibitory activity at low micro molar concentration in T-ALL cell lines...
May 19, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28526543/thyroid-hormone-biosynthesis-machinery-is-altered-in-the-ischemic-myocardium-an-epigenomic-study
#10
Carolina Gil-Cayuela, Esther Roselló-LLetí, Estefanía Tarazón, Ana Ortega, Juan Sandoval, Luis Martínez-Dolz, Juan Cinca, Esther Jorge, José Ramón González-Juanatey, Francisca Lago, Miguel Rivera, Manuel Portolés
BACKGROUND: Abnormal thyroid hormone (TH) metabolism is significantly associated with impaired left ventricular (LV) function and death. Although TH was traditionally thought to be produced exclusively by the thyroid gland, an increasing number of studies report TH production in other tissues. Based on these findings, we evaluated whether the genes required for TH biosynthesis are expressed in the human heart, and whether their expression is altered in patients with ischemic cardiomyopathy (ICM) and is related to epigenetic variations...
May 11, 2017: International Journal of Cardiology
https://www.readbyqxmd.com/read/28526450/the-association-of-single-nucleotide-polymorphisms-in-the-oxytocin-receptor-and-g-protein-coupled-receptor-kinase-6-grk6-genes-with-oxytocin-dosing-requirements-and-labor-outcomes
#11
Chad A Grotegut, Emily Ngan, Melanie E Garrett, Marie Lynn Miranda, Allison E Ashley-Koch, Geeta K Swamy
BACKGROUND: Oxytocin is a potent uterotonic agent that is widely used for induction and augmentation of labor. Oxytocin has a narrow therapeutic index and the optimal dosing for any individual woman varies widely. OBJECTIVE: The objective of this study was to determine if genetic variation in the oxytocin receptor (OXTR) or in the gene encoding G protein-coupled receptor kinase 6 (GRK6), which regulates desensitization of the OXTR, could explain variation in oxytocin dosing and labor outcomes among women being induced near term...
May 16, 2017: American Journal of Obstetrics and Gynecology
https://www.readbyqxmd.com/read/28525378/irf5-is-elevated-in-childhood-onset-sle-and-regulated-by-histone-acetyltransferase-and-histone-deacetylase-inhibitors
#12
Jin Shu, Ling Li, Lan-Bo Zhou, Jun Qian, Zhi-Dan Fan, Li-Li Zhuang, Lu-Lu Wang, Rui Jin, Hai-Guo Yu, Guo-Ping Zhou
Interferon regulatory factor 5 (IRF5) plays a critical role in the induction of type I interferon, proinflammatory cytokines and chemokines, and participates in the pathogenesis of autoimmune diseases such as systemic lupus erythematosus (SLE). However, the relationship between IRF5 and childhood-onset SLE remains elusive. In the present study, we demonstrated that levels of mRNA expression of IRF5, IFN-α, and Sp1 were significantly increased in childhood-onset SLE, as seen on quantitative real-time PCR, and the expression of Sp1 and IFN-α was positively correlated with IRF5...
May 3, 2017: Oncotarget
https://www.readbyqxmd.com/read/28524912/gold-nanocages-with-dual-modality-for-image-guided-therapeutics
#13
Shijin Bao, Shengnan Huang, Ying Liu, Yurong Hu, Weiping Wang, Mengfei Ji, Huili Li, Ning Xia Zhang, Chengzhi Song, Shaofeng Duan
Numerous studies have demonstrated that microRNAs are very important in cancer development and progression. However, the complex relationship between the size of microRNA delivery systems, cellular uptake, biodistribution and therapeutic efficiency remains unclear. Herein, we have successfully constructed a series of differently-sized microRNA delivery systems, miR-26a-loaded, hyaluronic acid-modified, polyetherimide-conjugated PEGylated gold nanocage ternary nanocomplexes (PPHAuNCs-TNCs), which can be monitored optically by fluorescence and photoacoustic tomography imaging...
May 19, 2017: Nanoscale
https://www.readbyqxmd.com/read/28523450/a-review-of-the-clinical-pharmacokinetics-pharmacodynamics-and-immunogenicity-of-vedolizumab
#14
REVIEW
Maria Rosario, Nathanael L Dirks, Catherine Milch, Asit Parikh, Michael Bargfrede, Tim Wyant, Eric Fedyk, Irving Fox
Vedolizumab is a humanized anti-α4β7 integrin monoclonal antibody that selectively blocks trafficking of memory T cells to inflamed gut tissue by inhibiting the α4β7-mucosal addressin cell adhesion molecule-1 (MAdCAM-1) interaction. Approved for treating patients with moderately to severely active ulcerative colitis (UC) or Crohn's disease (CD), vedolizumab is administered as a 300 mg intravenous infusion. Vedolizumab undergoes a rapid, saturable, non-linear, target-mediated elimination process at low concentrations and a slower, linear, non-specific elimination process at higher concentrations...
May 18, 2017: Clinical Pharmacokinetics
https://www.readbyqxmd.com/read/28522978/change-during-psychotherapy-through-sand-play-tray-in-children-that-have-been-sexually-abused
#15
María D L Angeles Tornero, Claudia Capella
This paper presents the results of a qualitative study on the use of sandplay, or sand tray therapy, in the psychotherapeutic process of children who have been sexually abused. A longitudinal study was carried out with seven participants between the ages of 7 and 10 years old. Data was produced during observation of the therapeutic activity over the course of three different phases of treatment, using a rubric created especially for this observation. Three sandplay sessions were recorded: one at the start of therapy, one at the 3-month mark, and the third and final session after 6 months of treatment...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28522901/transition-of-early-phase-treatment-for-acute-pancreatitis-an-analysis-of-nationwide-epidemiological-survey
#16
EDITORIAL
Shin Hamada, Atsushi Masamune, Tooru Shimosegawa
Treatment of acute pancreatitis (AP) is one of the critical challenges to the field of gastroenterology because of its high mortality rate and high medical costs associated with the treatment of severe cases. Early-phase treatments for AP have been optimized in Japan, and clinical guidelines have been provided. However, changes in early-phase treatments and the relationship between treatment strategy and clinical outcome remain unclear. Retrospective analysis of nationwide epidemiological data shows that time for AP diagnosis has shortened, and the amount of initial fluid resuscitation has increased over time, indicating the compliance with guidelines...
April 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28522282/quality-indicators-for-the-use-of-systemic-antibiotics-in-dentistry
#17
Rugzan Jameel Hussein, Robert Krohn, Petra Kaufmann-Kolle, Gerald Willms
BACKGROUND: Risks resulted from using systemic antibiotics such as increasing rates of bacterial resistance, allergy and side effects should be always weighed individually for each patient against any potential benefits. Routine antibiotic prescribing must be therefore discouraged. The Federal Joint Committee ("Gemeinsamer Bundesauschuss", G-BA) commissioned the AQUA-Institute with the development of an external quality assurance procedure, examining systemic antibiotic use in periodontal, conservative and surgical treatments in ambulatory dental health care...
May 15, 2017: Zeitschrift Für Evidenz, Fortbildung und Qualität Im Gesundheitswesen
https://www.readbyqxmd.com/read/28521961/placebo-effect-and-therapeutic-context-a-challenge-in-clinical-research
#18
REVIEW
Antoni Morral, Gerard Urrutia, Xavier Bonfill
When we apply a physical or pharmacological treatment, there are many things that may explain the clinical improvement experienced by a patient. The drugs or physical agents applied are important, but we must also add other elements in the context of the patient-therapist relationship. Scientific evidence has proven that the placebo effect exists. This is a true biopsychosocial phenomenon produced by the context in which an intervention is carried out. Biases aside, placebo and nocebo responses are changes in patients' symptoms, due to their participation at the therapeutic meeting, with its rituals, symbols and interactions...
May 15, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28521822/central-nervous-system-manganese-induced-lesions-and-clinical-consequences-in-patients-with-hereditary-hemorrhagic-telangiectasia
#19
M M Serra, C H Besada, A Cabana Cal, A Saenz, C V Stefani, D Bauso, A B Golimstok, J C Bandi, D H Giunta, C M Elizondo
BACKGROUND: Around 47-74% of patients with hereditary hemorrhagic telangiectasia (HHT) have hepatic vascular malformations (HVMs); magnetic resonance images (MRI) of the central nervous system (CNS) might show in T1 sequences a hyper-intensity signal in different areas, mainly in the basal ganglia (BG) as consequence of manganese (Mn) deposits as observed in cirrhotic patients. These patients might suffer from different neuropsychiatric disorders (hepatic encephalopathy). In HHT patients, even in the presence of hepatic shunts, hepatocellular function is usually preserved...
May 18, 2017: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/28521682/repurposing-of-copper-ii-chelating-drugs-for-the-treatment-of-neurodegenerative-diseases
#20
Valeria Lanza, Danilo Milardi, Giuseppe Di Natale, Giuseppe Pappalardo
BACKGROUND: There is mounting urgency to find new drugs for the treatment of neurodegenerative disorders. A large number of reviews has exhaustively described either the molecular or clinical aspects of neurodegenerative diseases as Alzheimer's (AD) and Parkinson's (PD). Conversely, reports outlining how known drugs in use for other diseases can be also effective as therapeutic agents in neurodegenerative diseases are less reported. This review focuses on the current uses of some copper(II) interacting molecules as potential drug candidates in neurodegeneration...
May 17, 2017: Current Medicinal Chemistry
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