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Propranolol

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https://www.readbyqxmd.com/read/27926515/metformin-and-propranolol-combination-prevents-cancer-progression-and-metastasis-in-different-breast-cancer-models
#1
María Rico, María Baglioni, Maryna Bondarenko, Nahuel Cesatti Laluce, Viviana Rozados, Nicolas André, Manon Carré, O Graciela Scharovsky, Mauricio Menacho Márquez
Discovery of new drugs for cancer treatment is an expensive and time-consuming process and the percentage of drugs reaching the clinic remains quite low.Drug repositioning refers to the identification and development of new uses for existing drugs and represents an alternative drug development strategy.In this work, we evaluated the antitumor effect of metronomic treatment with a combination of two repositioned drugs, metformin and propranolol, in triple negative breast cancer models.By in vitro studies with five different breast cancer derived cells, we observed that combined treatment decreased proliferation (P < 0...
December 1, 2016: Oncotarget
https://www.readbyqxmd.com/read/27925269/lifecycle-exposure-of-fathead-minnows-to-environmentally-relevant-concentrations-of-the-%C3%AE-blocker-drug-propranolol
#2
Joanne L Parrott, Vimal K Balakrishnan
Propranolol is a human pharmaceutical β-blocker that has been detected in municipal wastewater effluents at ng/L to low µg/L. To assess the potential of this compound to affect fish, fathead minnow (Pimephales promelas) were exposed for a lifecycle in a flow-through system to nominal propranolol concentrations of 0.87, 8.7, 87, 870 and 8,700 ng/L. Measured propranolol concentrations were below detection for the two lowest exposure concentrations, and were 76, 580, and 7,800 ng/L for the three highest exposure concentrations...
December 7, 2016: Environmental Toxicology and Chemistry
https://www.readbyqxmd.com/read/27916533/activation-of-beta-and-alpha-2-adrenoceptors-in-the-basolateral-amygdala-has-opposing-effects-on-hippocampal-prefrontal-long-term-potentiation
#3
Ee Peng Lim, Gavin S Dawe, Thérèse M Jay
Noradrenaline (NA), released by the locus coeruleus (LC), plays a key role in mediating the effects of stress on memory functions. The LC provides diffuse projections to many forebrain nuclei including the hippocampus, the prefrontal cortex (PFC), and the basolateral amygdala (BLA). These three structures are intricately interlinked. The hippocampal-prefrontal (H-PFC) pathway is involved in various cognitive functions. The first aim of this study was to examine the role of BLA in H-PFC plasticity by infusion of drugs to activate and inactivate the BLA and studying the effects on H-PFC long-term potentiation (LTP) in the rat in vivo...
December 1, 2016: Neurobiology of Learning and Memory
https://www.readbyqxmd.com/read/27911476/nd-yag-and-pulsed-dye-laser-therapy-in-infantile-hemangiomas-a-retrospective-analysis-of-271-treated-hemangiomas-in-149-children
#4
F Hartmann, A Lockmann, L-L Grönemeyer, H A Haenssle, M Zutt, H von Fintel, I Kühnle, M P Schön, K-M Thoms
BACKGROUND: Infantile hemangiomas (IH) are common benign tumors in infancy. Most IH resolve spontaneously, but some require treatment due to ulceration, functional impairment or cosmetic disfiguration. While systemic propranolol is effective in many cases, laser therapy may be a safe topical alternative. OBJECTIVE: To assess the efficacy of combined Nd:YAG/pulsed dye laser (PDL) or PDL alone for therapy of IH. PATIENTS AND METHODS: 271 IH in 149 infants were treated with combined Nd:YAG/PDL or PDL alone...
December 2, 2016: Journal of the European Academy of Dermatology and Venereology: JEADV
https://www.readbyqxmd.com/read/27906047/propranolol-and-survival-from-breast-cancer-a-pooled-analysis-of-european-breast-cancer-cohorts
#5
Chris R Cardwell, Anton Pottegård, Evelien Vaes, Hans Garmo, Liam J Murray, Chris Brown, Pauline A J Vissers, Michael O'Rorke, Kala Visvanathan, Deirdre Cronin-Fenton, Harlinde De Schutter, Mats Lambe, Des G Powe, Myrthe P P van Herk-Sukel, Anna Gavin, Søren Friis, Linda Sharp, Kathleen Bennett
BACKGROUND: Preclinical studies have demonstrated that propranolol inhibits several pathways involved in breast cancer progression and metastasis. We investigated whether breast cancer patients who used propranolol, or other non-selective beta-blockers, had reduced breast cancer-specific or all-cause mortality in eight European cohorts. METHODS: Incident breast cancer patients were identified from eight cancer registries and compiled through the European Cancer Pharmacoepidemiology Network...
December 1, 2016: Breast Cancer Research: BCR
https://www.readbyqxmd.com/read/27902848/topiramate-in-migraine-prevention-a-2016-perspective
#6
Stephen D Silberstein
BACKGROUND: In evidence-based guidelines published in 2000, topiramate was a third-tier migraine preventive with no scientific evidence of efficacy; recommendation for its use reflected consensus opinion and clinical experience. Its neurostabilizing activity, coupled with its favorable weight profile, made topiramate an attractive alternative to other migraine preventives that caused weight gain. When guidelines for migraine prevention in episodic migraine were published in 2012, topiramate was included as a first-line option based on double-blind, randomized controlled trials involving nearly 3000 patients...
November 30, 2016: Headache
https://www.readbyqxmd.com/read/27900277/incidentally-diagnosed-multiple-vascular-lesions-of-the-spleen-littoral-cell-angioma-or-hemangioma
#7
Emrah Aydin
Vascular lesions of the solid abdominal viscera may pose diagnostic and management issues. A 16-year old girl admitted to emergency department due to recurrent abdominal pain and diagnosed to have multiple vascular malformations of the spleen on imaging investigations. Littoral cell angioma was preoperative suspicion owing to no response of the vascular lesion to the propranolol. It turned out to be cavernous hemangioma on histopathology.
November 2016: APSP Journal of Case Reports
https://www.readbyqxmd.com/read/27899953/repurposing-drugs-in-oncology-redo-propranolol-as-an-anti-cancer-agent
#8
Pan Pantziarka, Gauthier Bouche, Vidula Sukhatme, Lydie Meheus, Ilse Rooman, Vikas P Sukhatme
Propranolol (PRO) is a well-known and widely used non-selective beta-adrenergic receptor antagonist (beta-blocker), with a range of actions which are of interest in an oncological context. PRO displays effects on cellular proliferation and invasion, on the immune system, on the angiogenic cascade, and on tumour cell sensitivity to existing treatments. Both pre-clinical and clinical evidence of these effects, in multiple cancer types, is assessed and summarised and relevant mechanisms of action outlined. In particular there is evidence that PRO is effective at multiple points in the metastatic cascade, particularly in the context of the post-surgical wound response...
2016: Ecancermedicalscience
https://www.readbyqxmd.com/read/27899275/immunological-consequences-of-immunization-with-tumor-lysate-vaccine-and-propranolol-as-an-adjuvant-a-study-on-cytokine-profiles-in-breast-tumor-microenvironment
#9
Somayeh Ashrafi, Reza Shapouri, Mehdi Mahdavi
In this study, we sought out to study the anti-cancer effects of propranolol (Pro) in combination with tumor lysate vaccine on lymphocyte proliferation activities as well as on IL-2, IL-4, IL-10, IL-12, IL-17 and IFN-γ cytokine concentration in the tumor microenvironment (TME). A tumor model was established in inbred Balb/C mice using transplantation of tumor to the flank of native mice. Tumor-bearing mice were immunized with lysate tumor cells (vaccine), a combination of Pro/Vaccine (Vac). Control groups consisted of tumor-bearing mice receiving only propranolol or PBS three times with one week interval via subcutaneous (s...
November 27, 2016: Immunology Letters
https://www.readbyqxmd.com/read/27899087/paradoxical-physiological-responses-to-propranolol-in-a-rett-syndrome-patient-a-case-report
#10
P J Santosh, L Bell, K Lievesley, J Singh, F Fiori
BACKGROUND: Rett Syndrome (RTT), caused by a loss-of-function in the epigenetic modulator: X-linked methyl-CpG binding protein 2 (MeCP2), is a pervasive neurological disorder characterized by compromised brain functions, anxiety, severe mental retardation, language and learning disabilities, repetitive stereotyped hand movements and developmental regression. An imbalance in the sympathetic and the parasympathetic nervous system (dysautonomia) and the resulting autonomic storms is a frequent occurrence in patients with RTT...
November 29, 2016: BMC Pediatrics
https://www.readbyqxmd.com/read/27898948/%C3%AE-and-%C3%AE-adrenergic-receptors-stimulation-relaxes-porcine-myometrium-in-the-peri-implantation-period
#11
W Markiewicz, J J Jaroszewski
These studies were to demonstrate whether the β-receptor is involved in regulating the contractility of the swine myometrium in the peri-implantation period and to compare a relaxing activity of selective β- and β-adrenergic agonists (salbutamol and BRL 37344, respectively). Myometrial strips were collected form the gilts ( = 8) on d 12 to 14 of pregnancy. Changes in the contractility of myometrial strips were assessed further to the administration of increasing concentrations of the agonists (10 to 10 ) with and without β-adrenergic receptor antagonists: butoxamine, propranolol, and bupranolol at 10 ...
November 2016: Journal of Animal Science
https://www.readbyqxmd.com/read/27895515/excellent-response-of-infantile-orbital-hemangioma-to-propranolol
#12
Fandresena A Sendrasoa, Irina M Ranaivo, Naina H Razanakoto, Malalaniaina Andrianarison, Lala S Ramarozatovo, F Rapelanoro Rabenja
Infantile hemangiomas are the most common vascular neoplasm that present in infancy, with more than half affecting the head and neck region. Periocularly, hemangiomas may be complicated by visual loss through induction of strabismal, deprivational, or anisometropic astigmatism. We report a case of a 5-year-old girl who presented with orbital hemangioma with potential risk of visual loss who had excellent response to propranolol.
2016: International Medical Case Reports Journal
https://www.readbyqxmd.com/read/27891741/combination-treatment-of-propranolol-minocycline-and-tranexamic-acid-for-effective-control-of-rosacea
#13
Hyun Jung Kwon, Joon Hyuk Suh, Eun Jung Ko, Beom Joon Kim
No abstract text is available yet for this article.
November 27, 2016: Dermatologic Therapy
https://www.readbyqxmd.com/read/27883912/development-of-potential-candidate-reference-materials-for-drugs-in-bottom-sediment-cod-and-herring-tissues
#14
Irena Baranowska, Bogusław Buszewski, Jacek Namieśnik, Piotr Konieczka, Sylwia Magiera, Halina Polkowska-Motrenko, Paweł Kościelniak, Renata Gadzała-Kopciuch, Aneta Woźniakiewicz, Zbigniew Samczyński, Kinga Kochańska, Małgorzata Rutkowska
Regular use of a reference material and participation in a proficiency testing program can improve the reliability of analytical data. This paper presents the preparation of candidate reference materials for the drugs metoprolol, propranolol, carbamazepine, naproxen, and acenocoumarol in freshwater bottom sediment and cod and herring tissues. These reference materials are not available commercially. Drugs (between 7 ng/g and 32 ng/g) were added to the samples, and the spiked samples were freeze-dried, pulverized, sieved, homogenized, bottled, and sterilized by γ-irradiation to prepare the candidate materials...
November 21, 2016: Chemosphere
https://www.readbyqxmd.com/read/27873080/evaluation-of-the-drug-solubility-and-rush-ageing-on-drug-release-performance-of-various-model-drugs-from-the-modified-release-polyethylene-oxide-matrix-tablets
#15
Saeed Shojaee, Ali Nokhodchi, Mohammed Maniruzzaman
Hydrophilic matrix systems are currently some of the most widely used drug delivery systems for controlled-release oral dosage forms. Amongst a variety of polymers, polyethylene oxide (PEO) is considered an important material used in pharmaceutical formulations. As PEO is sensitive to thermal oxidation, it is susceptible to free radical oxidative attack. The aim of this study was to investigate the stability of PEO based formulations containing different model drugs with different water solubility, namely propranolol HCl, theophylline and zonisamide...
November 21, 2016: Drug Delivery and Translational Research
https://www.readbyqxmd.com/read/27871747/impact-of-external-carbon-dose-on-the-removal-of-micropollutants-using-methanol-and-ethanol-in-post-denitrifying-moving-bed-biofilm-reactors
#16
Elena Torresi, Mònica Escolà Casas, Fabio Polesel, Benedek G Plósz, Magnus Christensson, Kai Bester
Addition of external carbon sources to post-denitrification systems is frequently used in wastewater treatment plants to enhance nitrate removal. However, little is known about the fate of micropollutants in post-denitrification systems and the influence of external carbon dosing on their removal. In this study, we assessed the effects of two different types and availability of commonly used carbon sources -methanol and ethanol- on the removal of micropollutants in biofilm systems. Two laboratory-scale moving bed biofilm reactors (MBBRs), containing AnoxKaldnes K1 carriers with acclimated biofilm from full-scale systems, were operated in continuous-flow using wastewater dosed with methanol and ethanol, respectively...
January 1, 2017: Water Research
https://www.readbyqxmd.com/read/27857521/global-chemical-reactivity-parameters-for-several-chiral-beta-blockers-from-the-density-functional-theory-viewpoint
#17
Mona Maria Talmaciu, Ede Bodoki, Radu Oprean
BACKGROUND AND AIM: Beta-adrenergic antagonists have been established as first line treatment in the medical management of hypertension, acute coronary syndrome and other cardiovascular diseases, as well as for the prevention of initial episodes of gastrointestinal bleeding in patients with cirrhosis and esophageal varices, glaucoma, and have recently become the main form of treatment of infantile hemangiomas. The aim of the present study is to calculate for 14 beta-blockers several quantum chemical descriptors in order to interpret various molecular properties such as electronic structure, conformation, reactivity, in the interest of determining how such descriptors could have an impact on our understanding of the experimental observations and describing various aspects of chemical binding of beta-blockers in terms of these descriptors...
2016: Clujul Medical (1957)
https://www.readbyqxmd.com/read/27856623/kisspeptin-level-in-the-aging-ovary-is-regulated-by-the-sympathetic-nervous-system
#18
Daniela Fernandois, Gonzalo Cruz, Eun Kyung Na, Hernán E Lara, Alfonso H Paredes
Previous work has demonstrated that the increase in the activity of sympathetic nerves, which occurs during the subfertility period in female rats, causes an increase in follicular cyst development and impairs follicular development. In addition, the increase in ovarian sympathetic activity of aged rats correlates with an increased expression of kisspeptin (KISS1) in the ovary. This increase in KISS1 could participate in the decrease in follicular development that occurs during the subfertility period. We aimed to determine whether the blockade of ovarian sympathetic tone prevents the increase in KISS1 expression during reproductive aging and improves follicular development...
January 2017: Journal of Endocrinology
https://www.readbyqxmd.com/read/27855972/transformation-products-in-the-water-cycle-and-the-unsolved-problem-of-their-proactive-assessment-a-combined-in-vitro-in-silico-approach
#19
Jakob Menz, Anju Priya Toolaram, Tushar Rastogi, Christoph Leder, Oliver Olsson, Klaus Kümmerer, Mandy Schneider
Transformation products (TPs) emerging from incomplete degradation of micropollutants in aquatic systems can retain the biological activity of the parent compound, or may even possess new unexpected toxic properties. The chemical identities of these substances remain largely unknown, and consequently, the risks caused by their presence in the water cycle cannot be assessed thoroughly. In this study, a combined approach for the proactive identification of hazardous elements in the chemical structures of TPs, comprising analytical, bioanalytical and computational methods, was assessed by the example of the pharmaceutically active micropollutant propranolol (PPL)...
November 15, 2016: Environment International
https://www.readbyqxmd.com/read/27855237/insulin-autoimmune-syndrome-a-rare-cause-of-postprandial-hypoglycemia
#20
Pooja Sahni, Nitin Trivedi, Abdulkadir Omer
: A 65-year-old obese Caucasian woman presented with symptomatic postprandial hypoglycemic episodes, resolution of symptoms with carbohydrate intake and significantly elevated anti-insulin antibody levels. She did not have any evidence for the use of oral antidiabetic medications, insulin, herbal substances, performing strenuous exercise or history of bariatric surgery. Fingerstick blood glucose readings revealed blood sugar of 35 mg/dL and 48 mg/dL, when she had these symptoms. Her medical history was significant for morbid obesity, hypothyroidism and gastro esophageal reflux disease...
2016: Endocrinology, Diabetes & Metabolism Case Reports
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