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https://www.readbyqxmd.com/read/27926867/genomic-instability-is-induced-by-persistent-proliferation-of-cells-undergoing-epithelial-to-mesenchymal-transition
#1
Valentine Comaills, Lilian Kabeche, Robert Morris, Rémi Buisson, Min Yu, Marissa Wells Madden, Joseph A LiCausi, Myriam Boukhali, Ken Tajima, Shiwei Pan, Nicola Aceto, Srinjoy Sil, Yu Zheng, Tilak Sundaresan, Toshifumi Yae, Nicole Vincent Jordan, David T Miyamoto, David T Ting, Sridhar Ramaswamy, Wilhelm Haas, Lee Zou, Daniel A Haber, Shyamala Maheswaran
TGF-β secreted by tumor stroma induces epithelial-to-mesenchymal transition (EMT) in cancer cells, a reversible phenotype linked to cancer progression and drug resistance. However, exposure to stromal signals may also lead to heritable changes in cancer cells, which are poorly understood. We show that epithelial cells failing to undergo proliferation arrest during TGF-β-induced EMT sustain mitotic abnormalities due to failed cytokinesis, resulting in aneuploidy. This genomic instability is associated with the suppression of multiple nuclear envelope proteins implicated in mitotic regulation and is phenocopied by modulating the expression of LaminB1...
December 6, 2016: Cell Reports
https://www.readbyqxmd.com/read/27925221/pharmacokinetic-pharmacodynamic-evaluation-of-grapiprant-in-a-carrageenan-induced-inflammatory-pain-model-in-the-rabbit
#2
V De Vito, M Salvadori, A Poapolathep, H Owen, R Rychshanova, M Giorgi
Grapiprant is the novel selective EP4 receptor inhibitor recently issued on the veterinary market for dogs affected by osteoarthritis. The aim of this study was twofold: to evaluate the pharmacokinetics and the pharmacodynamics of grapiprant in the induced inflammatory pain model in the rabbit after a single IV injection of 2 mg/kg; to compare the thermal antinociception effect after 2 mg/kg IV grapiprant, with that generated by 0.5 mg/kg meloxicam SC injected. Rabbits (n = 12) were randomly assigned to two crossover studies (single-dose, two-period crossover)...
December 7, 2016: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27924687/the-fluad-case-in-italy-could-it-have-been-dealt-differently
#3
Miriam Levi, Ersilia Sinisgalli, Chiara Lorini, Francesca Santomauro, Martina Chellini, Paolo Bonanni
During the influenza vaccination campaign 2014-2015, the reporting of three deaths within 48 hours of vaccination with Fluad brought the Italian Medicines Agency (AIFA) to pronounce the withdrawal of two batches of vaccine, based on the precautionary principle. Investigations by the Istituto Superiore di Sanità, the National Institute of Health, and by the Pharmacovigilance Risk Assessment Committee (PRAC), the committee at the European Medicines Agency (EMA) responsible for monitoring and assessing the safety profiles of human drugs, concluded that there was a lack of causality between the reported deaths and the vaccines administered...
December 7, 2016: Human Vaccines & Immunotherapeutics
https://www.readbyqxmd.com/read/27923161/antinociceptive-tolerance-to-nsaids-in-the-rat-formalin-test-is-mediated-by-the-opioid-mechanism
#4
Nana Tsiklauri, Ivliane Nozadze, Gulnaz Gurtskaia, Merab G Tsagareli
BACKGROUND: In the past decade it has been shown that tolerance develops to the antinociceptive effect of repeated systemic administration of commonly used non-steroidal anti-inflammatory drugs (NSAIDs) in acute pain models using rats. This is similar to the tolerance observed with opioid-induced analgesia. In the present study, we investigated the development of tolerance to the analgesic effects of NSAIDs diclofenac, ketorolac and xefocam in a chronic inflammatory pain model, the formalin test...
October 6, 2016: Pharmacological Reports: PR
https://www.readbyqxmd.com/read/27922722/topiramate-versus-carbamazepine-monotherapy-for-epilepsy-an-individual-participant-data-review
#5
REVIEW
Sarah J Nolan, Maria Sudell, Catrin Tudur Smith, Anthony G Marson
BACKGROUND: Epilepsy is a common neurological condition in which abnormal electrical discharges from the brain cause recurrent unprovoked seizures. It is believed that with effective drug treatment, up to 70% of individuals with active epilepsy have the potential to become seizure-free and go into long-term remission shortly after starting drug therapy, the majority of which may be able to achieve remission with a single antiepileptic drug (AED).The correct choice of first-line antiepileptic therapy for individuals with newly diagnosed seizures is of great importance...
December 6, 2016: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/27922595/memories-of-opiate-withdrawal-emotional-states-correlate-with-specific-gamma-oscillations-in-the-nucleus-accumbens
#6
Cyril Dejean, Mathieu Sitko, Paul Girardeau, Amine Bennabi, Stéphanie Caillé, Martine Cador, Thomas Boraud, Catherine Le Moine
Affective memories associated with the negative emotional state experienced during opiate withdrawal are central in maintaining drug-taking, seeking and relapse. Nucleus accumbens (NAC) is a key structure both for acute withdrawal and withdrawal memories reactivation, however NAC neuron coding properties underpinning the expression of these memories remain largely unknown. Here we aimed at deciphering the role of NAC neurons in the encoding and retrieval of opiate withdrawal memory. Chronic single neuron and local field potentials recordings were performed in morphine-dependent rats and placebo-controls...
December 6, 2016: Neuropsychopharmacology: Official Publication of the American College of Neuropsychopharmacology
https://www.readbyqxmd.com/read/27920535/prevalence-of-alcohol-use-disorders-and-associated-factors-among-people-with-epilepsy-attending-amanuel-mental-specialized-hospital-addis-ababa-ethiopia
#7
Tsegereda Waja, Jemal Ebrahim, Zegeye Yohannis, Asres Bedaso
INTRODUCTION: Alcohol use disorders represent one of the leading causes of preventable death, illness, and injury in many societies throughout the world. Heavy alcohol consumption has multiple negative consequences for people with epilepsy such as precipitation of seizure, exacerbation of seizure, poor seizure control, increased side effects of antiepileptic drugs, noncompliance to antiepileptic drugs, alcohol withdrawal seizures, long-term hospital admission, status epilepticus, sudden unexpected death, and premature mortality...
2016: Neuropsychiatric Disease and Treatment
https://www.readbyqxmd.com/read/27919294/heantos-4-a-natural-plant-extract-used-in-the-treatment-of-drug-addiction-modulates-t-type-calcium-channels-and-thalamocortical-burst-firing
#8
Stuart M Cain, Soyon Ahn, Esperanza Garcia, Yiming Zhang, Zeina Waheed, John R Tyson, Yi Yang, Tran Van Sung, Anthony G Phillips, Terrance P Snutch
Heantos-4 is a refined combination of plant extracts currently approved to treat opiate addiction in Vietnam. In addition to its beneficial effects on withdrawal and prevention of relapse, reports of sedation during clinical treatment suggest that arousal networks in the brain may be recruited during Heantos administration. T-type calcium channels are implicated in the generation of sleep rhythms and in this study we examined whether a Heantos-4 extraction modulates T-type calcium channel currents generated by the Cav3...
December 5, 2016: Molecular Brain
https://www.readbyqxmd.com/read/27918873/loperamide-the-poor-man-s-methadone-brief-review
#9
Cornel N Stanciu, Samantha A Gnanasegaram
Loperamide is widely available as an inexpensive, over-the-counter remedy commonly used for management of diarrhea. Although an opioid, at therapeutic doses it acts primarily on the gastrointestinal tissues; however, larger than recommended amounts facilitate central nervous system (CNS) penetration. Such high doses of loperamide have recently gained popularity among users of opioids to manage withdrawal symptomatology and, less frequently, to achieve psychoactive effects. Chronic loperamide use can result in development of tolerance and, upon abrupt cessation of use, withdrawal...
December 5, 2016: Journal of Psychoactive Drugs
https://www.readbyqxmd.com/read/27918356/refractory-tamoxifen-induced-keratopathy-despite-drug-withdrawal
#10
Konstantinos Andreanos, Konstantinos Oikonomakis, Konstantinos Droutsas, Myrsini Petreli, George Kymionis
PURPOSE: To report a case with refractory tamoxifen-induced keratopathy despite drug withdrawal. METHODS: Case report. RESULTS: A 50-year-old woman, diagnosed with bilateral breast cancer underwent mastectomy in 2005. She was treated with tamoxifen citrate from 2005 to 2012. According to her medical history, no corneal abnormalities had been documented during past ophthalmological examinations except low myopia, before initiation of tamoxifen treatment...
December 1, 2016: Cornea
https://www.readbyqxmd.com/read/27917309/deutetrabenazine-in-tics-associated-with-tourette-syndrome
#11
Joseph Jankovic, Joohi Jimenez-Shahed, Cathy Budman, Barbara Coffey, Tanya Murphy, David Shprecher, David Stamler
BACKGROUND: Deutetrabenazine, an inhibitor of vesicular monoamine transporter type 2 (VMAT2) depletes presynaptic dopamine and is useful in the treatment of hyperkinetic movement disorders. This study explored the safety, tolerability, and preliminary efficacy of deutetrabenazine in adolescents with moderate-to-severe tics associated with Tourette syndrome (TS). METHODS: In this open-label study of 12-18-year-old patients with TS-related tics, deutetrabenazine was titrated up to 36 mg/day over 6 weeks to adequately suppress tics without bothersome adverse effects (AEs), followed by maintenance at optimal dose for 2 weeks...
2016: Tremor and Other Hyperkinetic Movements
https://www.readbyqxmd.com/read/27916222/acute-amiodarone-pulmonary-toxicity-after-surgical-procedures
#12
REVIEW
Jirapat Teerakanok, Pakpoom Tantrachoti, Phumpattra Chariyawong, Kenneth Nugent
Amiodarone can cause toxicity in several organs, including amiodarone-induced pulmonary toxicity which is a subacute or chronic complication. Amiodarone-induced acute respiratory distress syndrome (ARDS) in postoperative patients is a rare acute complication. The PubMed and Google Scholar databases were searched. Seven retrospective and prospective case series and 10 case reports of amiodarone-induced postoperative ARDS were reviewed. All patients received amiodarone chronically or during the perioperative period...
December 2016: American Journal of the Medical Sciences
https://www.readbyqxmd.com/read/27914674/heart-failure-induced-by-itraconazole
#13
Ana Rodrigo-Troyano, Marta M Mediavilla, Noé Garin, Rosa Güell
INTRODUCTION AND OBJECTIVE: Itraconazole is an antifungal imidazole used for the treatment of aspergillosis. Evidence supporting the association between itraconazole and the onset of congestive heart failure (CHF) is limited and is based on cases reported after drug market release. CASE REPORT: We report the case of a 76-year-old man with hypertension and COPD GOLD D who experienced heart failure after receiving a new line of treatment with itraconazole. The patient's symptoms resolved completely after the drug's withdrawal and initiation of treatment with diuretic therapy...
November 30, 2016: Medicina Clínica
https://www.readbyqxmd.com/read/27914574/biological-therapies-immunomodulatory-drugs-worsening-of-psoriasis-and-rebound-effect-new-evidence-of-similitude
#14
REVIEW
Marcus Zulian Teixeira
BACKGROUND: Employing the secondary action or adaptative reaction of the organism as therapeutic response, homeopathy uses the treatment by similitude (similia similibus curentur) administering to sick individuals the medicines that caused similar symptoms in healthy individuals. Such homeostatic or paradoxical reaction of the organism is scientifically explained through the rebound effect of drugs, which cause worsening of symptoms after withdrawal of several palliative treatments. Despite promoting an improvement in psoriasis at the beginning of the treatment, modern biological therapies provoke worsening of the psoriasis (rebound psoriasis) after discontinuation of drugs...
November 2016: Homeopathy: the Journal of the Faculty of Homeopathy
https://www.readbyqxmd.com/read/27912871/short-term-open-label-chamomile-matricaria-chamomilla-l-therapy-of-moderate-to-severe-generalized-anxiety-disorder
#15
John R Keefe, Jun J Mao, Irene Soeller, Qing S Li, Jay D Amsterdam
BACKGROUND: Conventional drug treatments for Generalized Anxiety Disorder (GAD) are often accompanied by substantial side effects, dependence, and/or withdrawal syndrome. A prior controlled study of oral chamomile (Matricaria chamomilla L.) extract showed significant efficacy versus placebo, and suggested that chamomile may have anxiolytic activity for individuals with GAD. HYPOTHESIS: We hypothesized that treatment with chamomile extract would result in a significant reduction in GAD severity ratings, and would be associated with a favorable adverse event and tolerability profile...
December 15, 2016: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/27906534/food-and-drug-administration-review-and-action-on-over-the-counter-time-and-extent-applications-final-rule
#16
(no author information available yet)
The Food and Drug Administration (FDA or Agency) is amending its nonprescription (over-the-counter or OTC) drug regulations. This final rule supplements the time and extent application (TEA) process for OTC drugs by establishing timelines and performance metrics for FDA's review of non-sunscreen TEAs, as required by the Sunscreen Innovation Act (SIA). It also amends the existing TEA process to include filing determination and withdrawal provisions to make the TEA process more efficient.
November 23, 2016: Federal Register
https://www.readbyqxmd.com/read/27905916/study-protocol-a-dose-escalating-phase-2-study-of-oral-lisdexamfetamine-in-adults-with-methamphetamine-dependence
#17
Nadine Ezard, Adrian Dunlop, Brendan Clifford, Raimondo Bruno, Andrew Carr, Alexandra Bissaker, Nicholas Lintzeris
BACKGROUND: The treatment of methamphetamine dependence is a continuing global health problem. Agonist type pharmacotherapies have been used successfully to treat opioid and nicotine dependence and are being studied for the treatment of methamphetamine dependence. One potential candidate is lisdexamfetamine, a pro-drug for dexamphetamine, which has a longer lasting therapeutic action with a lowered abuse potential. The purpose of this study is to determine the safety of lisdexamfetamine in this population at doses higher than those currently approved for attention deficit hyperactivity disorder or binge eating disorder...
December 1, 2016: BMC Psychiatry
https://www.readbyqxmd.com/read/27903642/behavioral-characterization-of-kappa-opioid-receptor-agonist-spiradoline-and-cannabinoid-receptor-agonist-cp55940-mixtures-in-rats
#18
Vanessa Minervini, Sujata S Dahal, Charles France
Pain is a significant clinical problem and there is a need for more effective treatments with reduced adverse effects that currently limit the use of mu opioid receptor agonists. Synthetic kappa opioid receptor agonists have no abuse liability and well-documented antinociceptive effects; however, adverse effects (diuresis, dysphoria) preclude their use in the clinic. Combining kappa opioids with non-opioid drugs (cannabinoid receptor agonists) allows for smaller doses of each drug to produce antinociception...
November 30, 2016: Journal of Pharmacology and Experimental Therapeutics
https://www.readbyqxmd.com/read/27900792/plasma-pharmacokinetics-and-tissue-depletion-of-cyromazine-and-its-metabolite-melamine-following-oral-administration-in-laying-chickens
#19
T Rairat, S C Ou, S K Chang, K P Li, T W Vickroy, C C Chou
The study was designed to characterize the plasma pharmacokinetics and tissue depletion profiles (including eggs) of cyromazine (CYR) in chickens following oral administration alone or in combination with melamine (MEL). In order to assess the pharmacokinetic profile of CYR, chickens were administered 1 or 10 mg/kg (single oral doses), whereas residue studies were conducted in chickens fed CYR alone (5 or 10 mg/kg) or CYR (5 mg/kg) and MEL (5 mg/kg) for a period of 14 days. Estimates for the apparent volume of distribution (1...
November 29, 2016: Journal of Veterinary Pharmacology and Therapeutics
https://www.readbyqxmd.com/read/27894343/post-marketing-withdrawal-of-anti-obesity-medicinal-products-because-of-adverse-drug-reactions-a-systematic-review
#20
Igho J Onakpoya, Carl J Heneghan, Jeffrey K Aronson
BACKGROUND: We identified anti-obesity medications withdrawn since 1950 because of adverse drug reactions after regulatory approval, and examined the evidence used to support such withdrawals, investigated the mechanisms of the adverse reactions, and explored the trends over time. METHODS: We conducted searches in PubMed, the World Health Organization database of drugs, the websites of drug regulatory authorities, and selected full texts, and we hand searched references in retrieved documents...
November 29, 2016: BMC Medicine
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