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BMC Pharmacology & Toxicology

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https://www.readbyqxmd.com/read/28095903/identification-and-application-of-anti-inflammatory-compounds-screening-system-based-on-raw264-7-cells-stably-expressing-nf-%C3%AE%C2%BAb-dependent-seap-reporter-gene
#1
Yue Li, Xiaomeng Wang, Juan Ren, Xi Lan, Jing Li, Jing Yi, Li Liu, Yan Han, Sanqi Zhang, Dongmin Li, Shemin Lu
BACKGROUND: NF-κB is one of the key transcription factors in the inflammatory response, transactivates a series of pro-inflammatory genes and is therefore regarded as an important target for anti-inflammatory drug screening. METHOD: We recombined the reporter gene vector with inserting the "neo" transcript into the vector pNF-κB-SEAP, made the reporter gene vector stable in a eukaryotic cell line. The recombinant reporter gene vector we named pNF-κB-SEAP-Neo was transfected into RAW264...
January 18, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28081725/synthetic-and-natural-antioxidants-attenuate-cisplatin-induced-vomiting
#2
Javaid Alam, Fazal Subhan, Ihsan Ullah, Muhammad Shahid, Gowhar Ali, Robert D E Sewell
BACKGROUND: Synthetic and natural antioxidants including Bacopa monnieri (L.) Pennell (Scrophulariaceae) which also possess anti-dopaminergic properties, have been proposed to be useful for emetogenic chemotherapy. In this study, synthetic [N-(2-mercaptopropionyl) glycine (MPG), vitamin C (Vit-C)] and natural [grape seed proanthocyanidin (GP), B. monnieri n-butanolic fraction (BM-ButFr)] antioxidants and their combinations were evaluated against cisplatin-induced emesis in pigeons during a 24 h observation period...
January 13, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28069066/anti-inflammatory-effect-of-resveratrol-in-human-coronary-arterial-endothelial-cells-via-induction-of-autophagy-implication-for-the-treatment-of-kawasaki-disease
#3
Fu-Chen Huang, Ho-Chang Kuo, Ying-Hsien Huang, Hong-Ren Yu, Sung-Chou Li, Hsing-Chun Kuo
BACKGROUND: Kawasaki disease (KD) is an acute febrile vasculitis in childhood, which is the leading cause of acquired heart disease in children. If untreated, KD can result in coronary aneurysms in 25% of patients, and even under intravenous immunoglobulin (IVIG) treatment, 10-20% of children will have IVIG resistance and increased risk of developing coronary arteritis complication. Additional therapies should be explored to decrease the incidence of coronary artery lesions and improve the prognosis in KD...
January 9, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28057083/deflazacort-therapeutic-index-relative-potency-and-equivalent-doses-versus-other-corticosteroids
#4
Luca Parente
BACKGROUND: Deflazacort is a synthetic corticosteroid characterized by a favourable pharmacokinetic profile, peculiar pharmacodynamic properties and a good safety profile. However, to the best of our knowledge, no dose-conversion table based on direct comparison of relative potencies between deflazacort and other main corticosteroids is currently available in scientific literature. MAIN BODY: This paper, while reporting a brief review of deflazacort pharmacological properties, its efficacy and tolerability in different clinical areas, has been designed with the specific aim of providing a new dose-conversion table of corticosteroids, including for the first time also deflazacort...
January 5, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/28057081/the-efficacy-and-safety-of-co-administration-of-fimasartan-and-rosuvastatin-to-patients-with-hypertension-and-dyslipidemia
#5
Moo-Yong Rhee, Taehoon Ahn, Kiyuk Chang, Shung Chull Chae, Tae-Hyun Yang, Wan Joo Shim, Tae Soo Kang, Jae-Kean Ryu, Deuk-Young Nah, Tae-Ho Park, In-Ho Chae, Seung Woo Park, Hae-Young Lee, Seung-Jea Tahk, Young Won Yoon, Chi Young Shim, Dong-Gu Shin, Hong Seog Seo, Sung Yun Lee, Doo Il Kim, Jun Kwan, Seung-Jae Joo, Myung Ho Jeong, Jin-Ok Jeong, Ki Chul Sung, Seok Yeon Kim, Sang-Hyun Kim, Kook-Jin Chun, Dong Joo Oh
BACKGROUND: Hypertension and dyslipidemia are major risk factors of cardiovascular disease (CVD) events. The objective of this study was to evaluate the efficacy and safety of the co-administration of fimasartan and rosuvastatin in patients with hypertension and hypercholesterolemia. METHODS: We conducted a randomized double-blind and parallel-group trial. Patients who met eligible criteria after 4 weeks of therapeutic life change were randomly assigned to the following groups...
January 5, 2017: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27998305/cytotoxicity-of-plumbagin-rapanone-and-12-other-naturally-occurring-quinones-from-kenyan-flora-towards-human-carcinoma-cells
#6
Victor Kuete, Leonidah K Omosa, Viviane R Sipowo Tala, Jacob O Midiwo, Armelle T Mbaveng, Sauda Swaleh, Oğuzhan Karaosmanoğlu, Hülya Sivas
BACKGROUND: Cancer is a major public health concern globally and chemotherapy remains the principal mode of the treatment of various malignant diseases. METHODS: This study was designed to investigate the cytotoxicity of 14 naturally occurring quinones including; 3 anthraquinones, 1 naphthoquinone and 10 benzoquinones against 6 human carcinoma cell lines and normal CRL2120 fibroblasts. The neutral red uptake (NR) assay was used to evaluate the cytotoxicity of the compounds, whilst caspase-Glo assay was used to detect caspases activation...
December 21, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27978854/effects-on-and-transfer-across-the-blood-brain-barrier-in-vitro-comparison-of-organic-and-inorganic-mercury-species
#7
Hanna Lohren, Julia Bornhorst, Romy Fitkau, Gabriele Pohl, Hans-Joachim Galla, Tanja Schwerdtle
BACKGROUND: Transport of methylmercury (MeHg) across the blood-brain barrier towards the brain side is well discussed in literature, while ethylmercury (EtHg) and inorganic mercury are not adequately characterized regarding their entry into the brain. Studies investigating a possible efflux out of the brain are not described to our knowledge. METHODS: This study compares, for the first time, effects of organic methylmercury chloride (MeHgCl), EtHg-containing thiomersal and inorganic Hg chloride (HgCl2) on as well as their transfer across a primary porcine in vitro model of the blood-brain barrier...
December 15, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27964751/neurotoxicity-and-nephrotoxicity-caused-by-combined-use-of-lithium-and-risperidone-a-case-report-and-literature-review
#8
Chih-Wei Hsu, Yu Lee, Chun-Yi Lee, Pao-Yen Lin
BACKGROUND: Combination lithium, a mood stabilizer, and risperidone, an atypical antipsychotic drug, is widely used for treatment of psychotic disorders. Rare reports concern severe adverse drug reaction in multiple organic systems with their combined use. We report two episodes of neurotoxicity and nephrotoxicity in a patient following the combined use of lithium and risperidone. CASE PRESENTATION: A 55-year-old male had a diagnosis of schizoaffective disorder at the age of 51...
December 14, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27923408/pharmacokinetic-and-pharmacodynamic-characterization-of-a-novel-formulation-containing-co-formulated-interferons-alpha-2b-and-gamma-in-healthy-male-volunteers
#9
Idrian García-García, Ignacio Hernández-González, Alina Díaz-Machado, Carlos A González-Delgado, Sonia Pérez-Rodríguez, Yanelda García-Vega, Rosario Campos-Mojena, Ángela D Tuero-Iglesias, Carmen M Valenzuela-Silva, Alieski Cruz-Ramírez, Alis Martín-Trujillo, Héctor Santana-Milián, Pedro A López-Saura, Iraldo Bello-Rivero
BACKGROUND: More potent antitumor activity is desired in Interferon (IFN)-treated cancer patients. This could be achieved by combining IFN alpha and IFN gamma. The aim of this work was to characterize the pharmacokinetics and pharmacodynamics of a novel formulation containing a co-formulated combination of IFNs alpha-2b and gamma (CIGB-128-A). METHODS: A group of nine healthy male subjects received intramuscularly 24.5 × 10(6) IU of CIGB-128-A. IFN concentrations were evaluated for 48 h...
December 7, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27903287/high-content-imaging-quantification-of-multiple-in-vitro-human-neurogenesis-events-after-neurotoxin-exposure
#10
Xian Wu, Anirban Majumder, Robin Webb, Steven L Stice
BACKGROUND: Our objective was to test neural active compounds in a human developmental neurotoxicity (DNT) model that represents neural tube stages of vulnerability. Previously we showed that 14 days in vitro (DIV 14) was sufficient to generate cryopreserved neuronal cells for post thaw neurite recovery assays. However, short exposure and assessment may not detect toxicants that affect an early neurogenesis continuum, from a mitotic human neural progenitor (hNP) cell population through the course of neurite outgrowth in differentiating neurons...
December 1, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27899142/vancomycin-microspheres-reduce-postoperative-spine-infection-in-an-in-vivo-rabbit-model
#11
Gang Liu, Si Chen, Jun Fang, Baoshan Xu, Shuang Li, Yonghong Hao, Naif A Al-Dhabi, Shucai Deng, Veeramuthu Duraipandiyan
BACKGROUND: Surgical site infections are common and devastating complications after implants related surgeries. Staphylococcus aureus contamination is a leading cause of surgical site infections. This study aims at assessing the effect of vancomycin microspheres on reducing Staphylococcus aureus infection in an in vivo rabbit model. METHODS: Sixty surgical sites of 20 New Zealand White rabbits underwent spinal implant were randomly divided to three groups: the control group, the vancomycin group and vancomycin microspheres group...
November 29, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27866471/distal-renal-tubular-acidosis-without-renal-impairment-after-use-of-tenofovir-a-case-report
#12
Kentaro Iwata, Manabu Nagata, Shuhei Watanabe, Shinichi Nishi
BACKGROUND: Tenofovir, one of antiretroviral medication to treat human immunodeficiency virus (HIV) infection, is known to cause proximal renal tubular acidosis such as Fanconi syndrome, but cases of distal renal tubular acidosis had never been reported. CASE PRESENTATION: A 20-year-old man with HIV infection developed nausea and vomiting without diarrhea after starting antiretroviral therapy. Arterial blood gas revealed non-anion-gap metabolic acidosis and urine test showed positive urine anion gap...
November 21, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27839515/pharmacokinetics-toxicity-and-cytochrome-p450-modulatory-activity-of-plumbagin
#13
Wiriyaporn Sumsakul, Tullayakorn Plengsuriyakarn, Kesara Na-Bangchang
BACKGROUND: The antimalarial activity of plumbagin (5-hydroxy-2-methyl-1,4-naphthoquinone), a naturally occurring naphthoquinone widely distributed in the Plumbaginaceae family has previously been demonstrated in vitro (good activity) and in vivo (weak activity). The aim of the study was to investigate the pharmacokinetic profile following a single oral dosing to explain inconsistency of results of the in vitro and in vivo antimalarial activities. In addition, toxicity profiles and potential of modulation of cytochrome P450 enzymes (CYP1A2 and CYP3A11) were also investigated...
November 14, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27817750/l-tetrahydropalmatine-reduces-nicotine-self-administration-and-reinstatement-in-rats
#14
Shamia L Faison, Charles W Schindler, Steven R Goldberg, Jia Bei Wang
BACKGROUND: The negative consequences of nicotine use are well known and documented, however, abstaining from nicotine use and achieving abstinence poses a major challenge for the majority of nicotine users trying to quit. l-Tetrahydropalmatine (l-THP), a compound extracted from the Chinese herb Corydalis, displayed utility in the treatment of cocaine and heroin addiction via reduction of drug-intake and relapse. The present study examined the effects of l-THP on abuse-related effects of nicotine...
November 7, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27817746/national-study-on-the-adequacy-of-antidotes-stocking-in-lebanese-hospitals-providing-emergency-care
#15
Anthony Mansour, Layla Al-Bizri, Jad El-Maamary, Amanda Al-Helou, Rayan Hamade, Elie Saliba, Dina Khammash, Karim Makhoul, Kamal Matli, Nada Ghosn, Mary Deeb, Wissam H Faour
BACKGROUND: Antidotes stocking is a critical component of hospital care for poisoned patients in emergency. Antidote stocking represents a major health challenge worldwide and in Lebanon. Systematic data monitoring of antidote stocking in Lebanese hospitals is lacking. The objective of this study is to assess the adequacy of antidotes stocking in Lebanese hospitals according to type and quantity and explore the characteristics associated with their differential availability. METHODS: Data collection to assess antidote availability and its correlate was undertaken through a self-administered questionnaire...
November 7, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27814741/a-greater-focus-on-metals-in-biomedicine-and-neuroscience-is-needed
#16
EDITORIAL
Anthony R White
Metals have many essential functions in the brain and a large body of evidence supports important roles for altered metal stasis in many brain disorders. However, despite this evidence, acceptance of metals as key mediators of brain dysfunction is largely lacking in mainstream biomedicine. This editorial will outline the possible reasons for this and suggest potential means to improve the acceptance of metals as central players in brain disease.
November 5, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27814772/-manganese-induced-neurotoxicity-a-review-of-its-behavioral-consequences-and-neuroprotective-strategies
#17
REVIEW
Tanara V Peres, Maria Rosa C Schettinger, Pan Chen, Fabiano Carvalho, Daiana S Avila, Aaron B Bowman, Michael Aschner
Manganese (Mn) is an essential heavy metal. However, Mn's nutritional aspects are paralleled by its role as a neurotoxicant upon excessive exposure. In this review, we covered recent advances in identifying mechanisms of Mn uptake and its molecular actions in the brain as well as promising neuroprotective strategies. The authors focused on reporting findings regarding Mn transport mechanisms, Mn effects on cholinergic system, behavioral alterations induced by Mn exposure and studies of neuroprotective strategies against Mn intoxication...
November 4, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27802838/chronic-early-life-lead-pb-2-exposure-alters-presynaptic-vesicle-pools-in-hippocampal-synapses
#18
Sara Rose Guariglia, Kirstie H Stansfield, Jennifer McGlothan, Tomas R Guilarte
BACKGROUND: Lead (Pb(2+)) exposure has been shown to impair presynaptic neurotransmitter release in both in vivo and in vitro model systems. The mechanism by which Pb(2+) impairs neurotransmitter release has not been fully elucidated. In previous work, we have shown that Pb(2+) exposure inhibits vesicular release and reduces the number of fast-releasing sites in cultured hippocampal neurons. We have also shown that Pb(2+) exposure inhibits vesicular release and alters the distribution of presynaptic vesicles in Shaffer Collateral - CA1 synapses of rodents chronically exposed to Pb(2+) during development...
November 2, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27802836/involvement-of-heat-shock-proteins-on-mn-induced-toxicity-in-caenorhabditis-elegans
#19
Daiana Silva Avila, Alexandre Benedetto, Catherine Au, Julia Bornhorst, Michael Aschner
BACKGROUND: All living cells display a rapid molecular response to adverse environmental conditions, and the heat shock protein family reflects one such example. Hence, failing to activate heat shock proteins can impair the cellular response. In the present study, we evaluated whether the loss of different isoforms of heat shock protein (hsp) genes in Caenorhabditis elegans would affect their vulnerability to Manganese (Mn) toxicity. METHODS: We exposed wild type and selected hsp mutant worms to Mn (30 min) and next evaluated further the most susceptible strains...
November 2, 2016: BMC Pharmacology & Toxicology
https://www.readbyqxmd.com/read/27802831/persisting-neurobehavioral-effects-of-developmental-copper-exposure-in-wildtype-and-metallothionein-1-and-2-knockout-mice
#20
Ann Petro, Hannah G Sexton, Caroline Miranda, Anit Rastogi, Jonathan H Freedman, Edward D Levin
BACKGROUND: Metallothioneins (MT) are small proteins, which are crucial for the distribution of heavy and transition metals. Previously, we found in mice that knockout of MT 1 and 2 genes (MTKO) impaired spatial learning and potentiated the learning impairment caused by developmental mercury exposure. The current study examined the neurocognitive and neurochemical effects of MTKO with the developmental copper (Cu) supplementation. METHODS: Wildtype (WT) and MTKO mice were given supplemental Cu (0, 10 or 50 mg/l) in their drinking water during gestation and until weaning...
November 2, 2016: BMC Pharmacology & Toxicology
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