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BMC Pharmacology & Toxicology

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https://www.readbyqxmd.com/read/28743294/evaluation-of-pharmacotherapy-complexity-in-residents-of-long-term-care-facilities-a-cross-sectional-descriptive-study
#1
Vanessa Alves-Conceição, Daniel Tenório da Silva, Vanessa Lima de Santana, Edileide Guimarães Dos Santos, Lincoln Marques Cavalcante Santos, Divaldo Pereira de Lyra
BACKGROUND: Polypharmacy is a reality in long-term care facilities. However, number of medications used by the patient should not be the only predictor of a complex pharmacotherapy. Although the level of complexity of pharmacotherapy is considered an important factor that may lead to side effects, there are few studies in this field. The aim of this study was to evaluate the complexity of pharmacotherapy in residents of three long-term care facilities. METHODS: A cross-sectional study was performed to evaluate the complexity of pharmacotherapy using the protocols laid out in the Medication Regimen Complexity Index instrument in three long-term care facilities in northeastern Brazil...
July 25, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28743285/%C3%AE-adrenergic-receptor-camp-pka-signaling-contributes-to-the-intracellular-ca-2-release-by-tentacle-extract-from-the-jellyfish-cyanea-capillata
#2
Qianqian Wang, Hui Zhang, Bo Wang, Chao Wang, Liang Xiao, Liming Zhang
BACKGROUND: Intracellular Ca(2+) overload induced by extracellular Ca(2+) entry has previously been confirmed to be an important mechanism for the cardiotoxicity as well as the acute heart dysfunction induced by jellyfish venom, while the underlying mechanism remains to be elucidated. METHODS: Under extracellular Ca(2+)-free or Ca(2+)-containing conditions, the Ca(2+) fluorescence in isolated adult mouse cardiomyocytes pre-incubated with tentacle extract (TE) from the jellyfish Cyanea capillata and β blockers was scanned by laser scanning confocal microscope...
July 25, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28738843/astaxanthin-mitigates-cobalt-cytotoxicity-in-the-mg-63-cells-by-modulating-the-oxidative-stress
#3
Dahe Li, Wenwen Tong, Denghui Liu, Yuming Zou, Chen Zhang, Weidong Xu
BACKGROUND: With the re-popularity of metal-on-metal (MoM) bearing in recent years, the cobalt toxicity has been a cause for concern in the total hip replacement surgery by both physicians and patients. METHODS: MG-63 cell line was cultured in vitro and incubated with cobalt (II) chloride (CoCl2) and/or with astaxanthin (ASX) for 24 h. MTT assay was conducted to evaluate the cell viability after cobalt exposure and ASX treatment. Fluorescence-activated cell sorting (FACS) analysis was performed to examine the reactive oxygen species (ROS) level...
July 24, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28716056/the-inhibitory-effect-of-isoliquiritigenin-on-the-proliferation-of-human-arterial-smooth-muscle-cell
#4
Tianbao Chen, Shaoxiong Deng, Rong Lin
BACKGROUND: Isoliquiritigenin (ISL) has various biological activities including as antioxidant and an inhibitor of PI3K/AKT signaling pathway. However, both oxidative stress and activated PI3K/AKT signaling contribute to the aberrant proliferation of vascular smooth muscle cells (VSMCs). This study is aimed to explore the effect of ISL on the proliferation of human arterial smooth muscle cells (HASMCs) and to investigate the underlying mechanisms. METHODS: BrdU incorporation, cell cycle and reactive oxygen species (ROS) in normal or ISL treated HASMCs were analyzed by flow cytometry...
July 17, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28693558/zinc-as-an-adjunct-treatment-for-reducing-case-fatality-due-to-clinical-severe-infection-in-young-infants-study-protocol-for-a-randomized-controlled-trial
#5
Nitya Wadhwa, Sudha Basnet, Uma Chandra Mouli Natchu, Laxman P Shrestha, Shinjini Bhatnagar, Halvor Sommerfelt, Tor A Strand, Siddarth Ramji, K C Aggarwal, Harish Chellani, Anuradha Govil, Mamta Jajoo, N B Mathur, Meenakshi Bhatt, Anup Mohta, Imran Ansari, Srijana Basnet, Ram H Chapagain, Ganesh P Shah, Binod M Shrestha
BACKGROUND: An estimated 2.7 of the 5.9 million deaths in children under 5 years of age occur in the neonatal period. Severe infections contribute to almost a quarter of these deaths. Mortality due to severe infections in developing country settings is substantial despite antibiotic therapy. Effective interventions that can be added to standard therapy for severe infections are required to reduce case fatality. METHODS/DESIGN: This is a double-blind randomized placebo-controlled parallel group superiority trial to investigate the effect of zinc administered orally as an adjunct to standard therapy to infants aged 3 days up to 2 months (59 days) hospitalized with clinical severe infection, that will be undertaken in seven hospitals in Delhi, India and Kathmandu, Nepal...
July 10, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28683823/sema3a-drastically-suppresses-tumor-growth-in-oral-cancer-xenograft-model-of-mice
#6
Chao Huang, Yi Wang, Jian-Hua Huang, Weixian Liu
BACKGROUND: Multiple studies suggest anti-angiogenesis to be a promising and rational option in cancer treatment. Interestingly, the axonal sprouting inhibitor semaphorin 3A (Sema3A), a potent suppressor of tumor angiogenesis in various cancer models, is lowly expressed in human oral cancer. Thus, we hypothesized that overexpression of Sema3A in human oral cancer cells may have potential therapeutic effects. METHODS: The LentiSema3A-EGFP was first constructed and transduced to the tongue squamous cell carcinoma cell line SSC-9...
July 6, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28676080/pharmacokinetic-and-pharmacodynamic-modeling-of-oral-mitiglinide-on-glucose-lowering-in-healthy-chinese-volunteers
#7
Shijia Liu, Peidong Chen, Yang Zhao, Guoliang Dai, Bingting Sun, Yao Wang, Anwei Ding, Wenzheng Ju
BACKGROUND: Mitiglinide is a widely used agent for diabetic treatment. We established a pharmacokinetic-pharmacodynamic (PK-PD) model to illustrate the relationship between mitiglinide plasma concentration and its glucose lowering effects in healthy volunteers. METHODS: The volunteers participated in the test after the administration of a single dose of 10 mg mitiglinide. The drug concentration in Plasma and the values of glucose levels were determined by LC-MS/MS assay and hexokinase method...
July 4, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28662728/actions-of-sesquiterpene-lactones-isolated-from-moquiniastrum-polymorphum-subsp-floccosum-in-mcf7-cell-line-and-their-potentiating-action-on-doxorubicin
#8
Mariana de Oliveira Mauro, Renata Matuo, Natan de David, Regiane Lauriano Batista Strapasson, Rodrigo Juliano Oliveira, Maria Élida Alves Stefanello, Cândida Aparecida Leite Kassuya, Maria de Fátima de Cepa Matos, Fábio José Carvalho Faria, Deiler Sampaio Costa
BACKGROUND: In order to obtain better clinical results in anticancer therapies, polychemotherapy or combination therapies are used. For this, the combinations are required to increase the efficacy and reduce the adverse reactions of the associated chemotherapies. The aim of this study was to evaluate the cytotoxic, apoptotic and (anti)proliferative potential of two sesquiterpene lactones isolated from Moquiniastrum polymorphum, 11,13-diidrozaluzanin C (1) and gochnatiolide C (2), and their associations with chemotherapeutic agents irinotecan, tamoxifen, cisplatin, 5-fluouracyl and doxorubicin in the tumoral lineage of MCF-7 breast adenocarcinoma...
June 29, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28655357/drug-related-problems-and-medication-reviews-among-old-people-with-dementia
#9
Bettina Pfister, Jeanette Jonsson, Maria Gustafsson
BACKGROUND: Drug-related problems, including medication errors and adverse drug events, are common among old people. Due to, for example, greater susceptibility to side effects, people with dementia are even more at risk of drug-related problems. The objectives of this study were to assess the occurrence and character of drug-related problems found among old people with dementia or cognitive impairment. METHODS: Data from a randomized controlled clinical trial exploring the effects of a pharmacist intervention as part of a hospital ward team in patients 65 years and older with dementia or cognitive impairment were used...
June 27, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28655329/erratum-to-analgesic-use-in-a-norwegian-general-population-change-over-time-and-high-risk-use-the-troms%C3%A3-study
#10
Per-Jostein Samuelsen, Lars Slørdal, Ulla Dorte Mathisen, Anne Elise Eggen
No abstract text is available yet for this article.
June 27, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28651624/multifaceted-interventions-for-improving-spontaneous-reporting-of-adverse-drug-reactions-in-a-general-hospital-in-china
#11
Huan Fang, Xiaowen Lin, Jun Zhang, Zhen Hong, Kenji Sugiyama, Takao Nozaki, Tetsuro Sameshima, Susumu Kobayashi, Hiroki Namba, Tetsuya Asakawa
BACKGROUND: The present study investigates changes in spontaneous reporting (SR) compliance and ADR patterns following adoption of a new hospital SR system, and multiple interventions designed for its improvement use under modified drug administration guidelines. METHODS: In total, 1389 ADR cases were reviewed. Cases were divided into two groups, cases from period 1 (n = 557, from January 2006 to June 2011) under the old SR system and cases in period 2 (n = 832, from July 2011 to December 2016) under the new SR system with multiple interventions to improve physician SR compliance...
June 26, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28651622/modulation-of-hepatic-perfusion-did-not-improve-recovery-from-hepatic-outflow-obstruction
#12
J Arlt, W Wei, C Xie, A Homeyer, U Settmacher, U Dahmen, O Dirsch
BACKGROUND: Focal hepatic venous outflow obstruction frequently occurs after extended liver resection and leads to a portal hypertension, arterial hypoperfusion and parenchymal necrosis. In this study, we investigated the pharmacological modulation of liver perfusion and hepatic damage in a surgical model of hepatic outflow obstruction after extended liver resection by administration of 5 different drugs in comparison to an operative intervention, splenectomy. METHODS: Male inbred Lewis rats (Lew/Crl) were subjected to right median hepatic vein ligation + 70% partial hepatectomy...
June 26, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28629388/the-albumin-exendin-4-recombinant-protein-e2hsa-improves-glycemic-control-and-%C3%AE-cell-function-in-spontaneous-diabetic-kkay-mice
#13
Caina Li, Shaocong Hou, Shuainan Liu, Yi Huan, Sujuan Sun, Quan Liu, Zhufang Shen
BACKGROUND: E2HSA is a genetic fusion protein that consists of two tandem exendin-4 molecules that are covalently bonded to recombinant human serum albumin via a peptide linker. Previous studies have demonstrated that E2HSA significantly decreased blood glucose levels, improved β-cell function and promoted β-cell proliferation in diabetic db/dB mice. This study aimed to evaluate the benefits of E2HSA on glucose and lipid metabolism in a spontaneous diabetes animal model, KKAy mice. METHODS: E2HSA was acutely administered at doses of 1, 3 and 9 mg/kg by subcutaneous injection in diabetic KKAy mice with exendin-4 (2 μg/kg) as a positive reference, and then the non-fasting blood glucose and food intake levels were dynamically monitored...
June 19, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28623958/knockdown-of-subunit-3-of-the-cop9-signalosome-inhibits-c2c12-myoblast-differentiation-via-nf-kappab-signaling-pathway
#14
Mariam A Ba, Jeffrey Surina, Cherie A Singer, Maria L Valencik
BACKGROUND: The COP9 signalosome (CSN) is a conserved protein complex composed of 8 subunits designated CSN1-CSN8. CSN3 represents the third subunit of the CSN and maintains the integrity of the complex. CSN3 binds to the striated muscle-specific β1D integrin tail, and its subcellular localization is altered in differentiated skeletal muscle cells. However, the role of CSN3 in skeletal muscle differentiation is unknown. The main goal of this study was to identify whether CSN3 participates in myoblast differentiation and the signalling mechanisms involved using C2C12 cells as a skeletal muscle cell model...
June 17, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28606169/profound-perturbation-induced-by-triclosan-exposure-in-mouse-gut-microbiome-a-less-resilient-microbial-community-with-elevated-antibiotic-and-metal-resistomes
#15
Bei Gao, Pengcheng Tu, Xiaoming Bian, Liang Chi, Hongyu Ru, Kun Lu
BACKGROUND: Environmental chemical-induced perturbations of gut microbiome are associated with a series of adverse health outcomes. The effects of triclosan on human health have been controversial in recent years. The purpose of this study is to investigate the functional impact of triclosan on the mouse gut microbiome and the link between triclosan exposure and resistomes in gut bacteria. METHODS: We combined 16S rRNA gene sequencing and shotgun metagenomics sequencing to examine the compositional and functional impact of triclosan exposure on the gut microbiota of C57BL/6 mice...
June 12, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28599683/pain-sensitivity-and-analgesic-use-among-10-486-adults-the-troms%C3%A3-study
#16
Per-Jostein Samuelsen, Christopher Sivert Nielsen, Tom Wilsgaard, Audun Stubhaug, Kristian Svendsen, Anne Elise Eggen
BACKGROUND: Increased pain sensitivity is a putative risk factor for chronic pain and consequently for analgesic use. Conversely, analgesic use may be a cause of increased pain sensitivity, e.g., through opioid-induced hyperalgesia. We aimed to study the association between pain sensitivity and analgesic use in a general population, and to test the hypothesis that increased baseline pain sensitivity is a risk factor for future persistent analgesic use. METHODS: The Tromsø Study (2007-08), a population-based health study, was linked with eight years of prescription data from the Norwegian Prescription Database...
June 9, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28595649/data-driven-prediction-of-adverse-drug-reactions-induced-by-drug-drug-interactions
#17
Ruifeng Liu, Mohamed Diwan M AbdulHameed, Kamal Kumar, Xueping Yu, Anders Wallqvist, Jaques Reifman
BACKGROUND: The expanded use of multiple drugs has increased the occurrence of adverse drug reactions (ADRs) induced by drug-drug interactions (DDIs). However, such reactions are typically not observed in clinical drug-development studies because most of them focus on single-drug therapies. ADR reporting systems collect information on adverse health effects caused by both single drugs and DDIs. A major challenge is to unambiguously identify the effects caused by DDIs and to attribute them to specific drug interactions...
June 8, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28592315/efficacy-and-safety-of-enzyme-replacement-therapy-with-agalsidase-alfa-in-36-treatment-na%C3%A3-ve-fabry-disease-patients
#18
Kazuya Tsuboi, Hiroshi Yamamoto
BACKGROUND: Fabry disease (FD) is an X-linked lysosomal storage disorder resulting from the α-galactosidase A gene mutations. Enzyme-replacement-therapy (ERT) products for FD currently used include agalsidase alfa and agalsidase beta. There are many reports on efficacy and safety of ERT. However, most of the previous studies are done as a retrospective medical records analysis. METHODS: The Japan Fabry Research - 002 (JFR-002) was a prospective observational clinical study of 36 ERT-naïve FD patients (14 men and 22 women) at baseline (BL) and after initiation of ERT with agalsidase alfa 0...
June 7, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28583171/comparison-of-neurons-derived-from-mouse-p19-rat-pc12-and-human-sh-sy5y-cells-in-the-assessment-of-chemical-and-toxin-induced-neurotoxicity
#19
Dina Popova, Jessica Karlsson, Stig O P Jacobsson
BACKGROUND: Exposure to chemicals might be toxic to the developing brain. There is a need for simple and robust in vitro cellular models for evaluation of chemical-induced neurotoxicity as a complement to traditional studies on animals. In this study, neuronally differentiated mouse embryonal carcinoma P19 cells (P19 neurons) were compared with human neuroblastoma SH-SY5Y cells and rat adrenal pheochromocytoma PC12 cells for their ability to detect toxicity of methylmercury (MeHg), okadaic acid and acrylamide...
June 5, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28583166/tardive-akathisia-related-to-the-anti-hypertensive-agent-sevikar-a-case-report
#20
Men-Ting Hsieh, Pao-Yen Lin, Chia-Jen Tsai, Chiung-Chih Chang, Yu Lee
BACKGROUND: Tardive akathisia (TA) is a subtype of tardive syndrome, and its etiology is still uncertain. Sevikar is an anti-hypertensive agent containing both amlodipine and olmesartan, and has never been reported to have an adverse reaction in patients with tardive syndrome. CASE PRESENTATION: A 57-year-old woman who took Sevikar for hypertension for 10 years developed TA one and a half years before receiving any psychiatric treatment. After switching from Sevikar to bisoprolol, she reported obvious improvement in her akathisia...
June 5, 2017: BMC Pharmacology & Toxicology
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