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https://www.readbyqxmd.com/read/28535657/-safety-and-efficacy-of-infusional-fluorouracil-leucovorin-oxaliplatin-and-irinotecan-folfoxiri-in-chinese-patients-with-advanced-colorectal-cancer
#1
Y Song, W W Li, J Huang
Objective: To establish the maximum tolerated dose (MTD) of 5-fluorouracil, leucovorin, oxaliplatin and irinotecan (FOLFOXIRI), and to evaluate the safety and efficacy in Chinese patients with advanced colorectal cancer. Methods: Patients were treated with a regimen consisting of infusional 5-fluorouracil (2 400 mg/m(2) on day 1), leucovorin (200 mg/m(2) on day 1), oxaliplatin (85 mg/m(2) on day 1), and irinotecan (at doses from 150 to 180 mg/m(2) on day 8) according to the dose-escalation schema. Treatment was repeated every 14 days...
May 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28535636/-characteristics-of-distribution-and-quantity-of-dendritic-cells-subtypes-in-hyperplastic-thymus-in-patients-with-myasthenia-gravis
#2
H Huang, P Chen, C Y Ou, L Qiu, Z Z Lin, Z D Huang, W B Liu
Objective: To investigate the characteristics of the distribution and amount of different subtypes of dendritic cell (DC) in myasthenia gravis(MG). Methods: We collected the thymic specimens from 32 patients who received thymoctomy because of cardiac surgery from January 2016 to December 2016 and selected 14 of them as normal control. Meantime, 61 MG patients who combined with thymic hyperplasia and received extended thymectomy were collected and selected 8 of them as experiment group.Immunohistochemical methods were used to label the two subtype DCs: plasmacytoid dendritic cell (pDC) and classical/conventional dendritic cell (cDC), to observe the distribution of these two DC subtypes in thymus and also quantify them in different thymus structures by image analysis software...
May 23, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28535619/prevalence-and-incidence-of-osteoporotic-fractures-in-patients-on-long-term-glucocorticoid-treatment-for-rheumatic-diseases-the-glucocorticoid-induced-osteoporosis-tool-giotto-study
#3
M Rossini, O Viapiana, M Vitiello, N Malavolta, G La Montagna, S Maddali Bongi, O Di Munno, R Nuti, C U Manzini, C Ferri, L Bogliolo, A Mathieu, F Cantatore, A Del Puente, M Muratore, W Grassi, B Frediani, G Saviola, P Delvino, L Mirone, G Ferraccioli, G Tripi, I Piazza, D Gatti
Osteoporosis and fractures are common and invalidating consequences of chronic glucorticoid (GC) treatment. Reliable information regarding the epidemiology of GC induced osteoporosis (GIOP) comes exclusively from the placebo group of randomized clinical trials while observational studies are generally lacking data on the real prevalence of vertebral fractures, GC dosage and primary diagnosis. The objective of this study was to evaluate the prevalence and incidence of osteoporotic fractures and to identify their major determinants (primary disease, GC dosage, bone mineral density, risk factors, specific treatment for GIOP) in a large cohort of consecutive patients aged >21 years, on chronic treatment with GC (≥5 mg prednisone - PN - equivalent) and attending rheumatology centers located all over Italy...
May 22, 2017: Reumatismo
https://www.readbyqxmd.com/read/28535613/expression-and-purification-of-biologically-active-human-bone-morphogenetic-protein-4-in-recombinant-chinese-hamster-ovary-cells
#4
Minyub Cha, Nara Han, Jia Pi, Yongsu Jeong, Kwanghee Baek, Jaeseung Yoon
Bone morphogenetic protein-4 (BMP-4) is considered to have therapeutic potential for various diseases including cancers; however, the high expression of biologically active recombinant human BMP-4 (rhBMP-4) needed to manufacture rhBMP-4 for therapeutic purposes has yet to be established. In the current study, we established a recombinant Chinese hamster ovary (rCHO) cell line overexpressing rhBMP-4 as well as a production process using 7.5-l bioreactor (5 l working volume). The expression of the mature rhBMP-4 was significantly enhanced by recombinant furin expression...
May 24, 2017: Journal of Microbiology and Biotechnology
https://www.readbyqxmd.com/read/28535591/effect-of-water-stage-and-tree-stand-composition-on-spatiotemporal-differentiation-of-spring-water-chemistry-draining-carpathian-flysch-slopes-gorce-mts
#5
Michał Jasik, Stanisław Małek, Mirosław Żelazny
The purpose of this study was to identify the factors affecting spring water chemistry in different tree stands and to measure the influence of water stage on the physicochemical parameters of spring waters in a small Carpathian catchment. Water samples were collected three times per year at various stages of the water: after the spring thaw, after a period of heavy rain and after a dry period in 2011 and 2012. Water samples were left in the laboratory to reach room temperature (19-20°C) and analyzed for EC (reference T=25°C) and pH...
May 19, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28535569/reinstituting-the-bolus-new-reasoning-for-an-existing-technique
#6
Porter W McRoberts, Jason E Pope, Catalina Apostol
Improved intrathecal (IT) pump technology is increasing the accuracy of IT opioid bolus dosing and promising advances in pain therapy. Opioid bolus dosing can be used with a minimal continuous infusion or it can function as the sole therapy. Bolus-only dosing is characterized by minimal use of opioid (often less than 1 mg of IT morphine). It achieves adequate pain control while reducing tolerance and possibly opioid-induced hyperalgesia. It may prevent receptor saturation, and provide a "washing out" of the opioid receptor that prevents the observed dose escalation resulting from continuous infusions...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535568/tianeptine-reduces-mechanical-allodynia-in-spinal-nerve-ligated-and-chemotherapy-induced-neuropathic-mice
#7
Seong Min Han, Young Hoon Kim, Hyeon Uk Jo, Jung Ah Kwak, Hue Jung Park
BACKGROUND: Spinal nerve-ligated neuropathy and chemotherapy-induced neuropathy produce a persistent tactile allodynia in mice. Tianeptine is an antidepressant that exhibits structural similarities to tricyclic antidepressants but has distinct neurochemical properties. OBJECTIVE: Here we examined the effects of intraperitoneal (i.p.) tianeptine on allodynia in spinal nerve-ligated and chemotherapy-induced neuropathic mice. STUDY DESIGN: A randomized, experimental trial...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535564/the-different-dynamic-changes-of-nerve-growth-factor-in-the-dorsal-horn-and-dorsal-root-ganglion-leads-to-hyperalgesia-and-allodynia-in-diabetic-neuropathic-pain
#8
Zhifeng Gao, Yi Feng, Hui Ju
BACKGROUND: Diabetic peripheral neuropathy (DPN) is the most common complication of diabetes and more than half of the patients with DPN have self-reported symptoms referring to painful diabetic neuropathy (PDN). Nerve growth factor (NGF) is a key factor for the nervous system, but the role of it in the neuropathic pain of diabetic patients is unclear. OBJECTIVE: This study aimed to investigate the relationship between the dynamic expression of NGF in dorsal horn and dorsal root ganglion (DRG) of diabetic rats and hyperalgesia and allodynia in diabetic neuropathic pain...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535549/epidural-dexamethasone-influences-postoperative-analgesia-after-major-abdominal-surgery
#9
Jeong-Min Hong, Kyung-Hoon Kim, Hyeon Jeong Lee, Jae-Young Kwon, Hae-Kyu Kim, Hyae-Jin Kim, Ah-Reum Cho, Wang-Seok Do, Hyo Sung Kim
BACKGROUND: Epidurally administered dexamethasone might reduce postoperative pain. However, the effect of epidural administration of dexamethasone on postoperative epidural analgesia in major abdominal surgery has been doubtful. OBJECTIVES: To investigate the effects and optimal dose of epidural dexamethasone on pain after major abdominal surgery. STUDY DESIGN: A prospective randomized, double-blind study. SETTING: University hospital...
May 2017: Pain Physician
https://www.readbyqxmd.com/read/28535503/determining-an-upper-reference-value-for-the-urinary-fluoride-creatinine-ratio-in-healthy-children-younger-than-7-years
#10
F Vida Zohoori, A Maguire
The urinary fluoride/creatinine ratio (UF/Cr) in a spot urine sample could be a useful systemic F exposure monitoring tool. No reference value for UF/Cr currently exists, therefore this study aimed to establish an upper reference value for a UF/Cr, corresponding to excessive systemic F exposure, i.e., >0.07 mg F/kg body weight (b.w.)/day, in children. Subsidiary aims were to examine the relationship between (i) total daily F intake (TDFI) and 24-h urinary F excretion (DUFE); (ii) DUFE and UF/Cr, and (iii) TDFI and UF/Cr...
May 24, 2017: Caries Research
https://www.readbyqxmd.com/read/28535493/nutrient-and-heavy-metal-accumulation-in-municipal-organic-waste-from-separate-collection-during-anaerobic-digestion-in-a-two-stage-laboratory-biogas-plant
#11
Christine Knoop, Christina Dornack, Thomas Raab
Municipal organic waste (MOW) is a promising feedstock for biogas plants and separate collection will increase available quantities. To close nutrient circles digestates shall be redistributed to arable land. However, less is known about digestate properties and how they are influenced during digestion. Therefore, changes in nutrient and heavy metal concentration in the solid digestate were investigated during anaerobic treatment of MOW in a two-stage laboratory biogas plant. Results show that the solid digestate is exposed to element accumulation, except for N, P and Mg...
May 8, 2017: Bioresource Technology
https://www.readbyqxmd.com/read/28535490/moderate-ocean-warming-mitigates-but-more-extreme-warming-exacerbates-the-impacts-of-zinc-from-engineered-nanoparticles-on%C3%A2-a%C3%A2-marine-larva
#12
Benjamin Mos, Katrina L Kaposi, Andrew L Rose, Brendan Kelaher, Symon A Dworjanyn
There is growing concern about the combined effects of multiple human-induced stressors on biodiversity. In particular, there are substantial knowledge gaps about the combined effects of existing stressors (e.g. pollution) and predicted environmental stress from climate change (e.g. ocean warming). We investigated the impacts of ocean warming and engineered nanoparticles (nano-zinc oxide, nZnO) on larvae of a cosmopolitan tropical sea urchin, Tripneustes gratilla. Larval T. gratilla were exposed to all combinations of three temperatures, 25, 27 and 29 °C (current SST and near-future predicted warming of +2 and + 4 °C) and six concentrations of nZnO (0, 0...
May 20, 2017: Environmental Pollution
https://www.readbyqxmd.com/read/28535473/length-effect-of-methoxy-poly-ethylene-oxide-b-poly-%C3%AE%C2%B5-caprolactone-g-poly-methacrylic-acid-copolymers-on-cisplatin-delivery
#13
Hsuan-Ying Chen, Yu-Lun Lo, Pei-Ling Wu, Pei-Chi Lo, Li-Fang Wang
Novel comb-shaped amphiphilic copolymers based on methoxy poly(ethylene glycol)-b-[poly(ε-caprolactone)-g-poly(methacrylic acid)] (MPCL-g-pMAA), were synthesized via ring opening polymerization (ROP) and atom transfer radical polymerization (ATRP) for drug delivery systems. MPCL-g-pMAAs with various MAA repeating units self-assemble into a core-shell structure in an aqueous solution. Critical aggregation concentrations range within 5.6×10(-3)-7.0×10(-2)mg/mL in double deionized water and 8.9×10(-3)-7.0×10(-2)mg/mL in phosphate buffered saline of pH 7...
May 12, 2017: Colloids and Surfaces. B, Biointerfaces
https://www.readbyqxmd.com/read/28535465/altered-glycometabolism-in-zebrafish-exposed-to-thifluzamide
#14
Yang Yang, Wenxian Liu, Dongzhi Li, Le Qian, Bin Fu, Chengju Wang
Thifluzamide exerts toxic effects to zebrafish and causes liver mitochondrial damage. To better understand the further mechanism, adult zebrafish were exposed to a range of thifluzamide concentrations (0, 0.019, 0.19, and 1.90 mg/L) for 28 days. In response to 1.90 mg/L exposure, liver glycogen significantly increased and blood glucose decreased. The expression of genes related to glycometabolism showed corresponding changes. Genes related to mtDNA replication and transcription and genes participating in mitochondrial complexes showed altered expression, which might lead to the inhibition of the tricarboxylic acid cycle (TCA)...
May 10, 2017: Chemosphere
https://www.readbyqxmd.com/read/28535438/determination-of-edoxaban-equivalent-concentrations-in-human-plasma-by-an-automated-anti-factor-xa-chromogenic-assay
#15
Ling He, Jarema Kochan, Min Lin, Alexander Vandell, Karen Brown, Francois Depasse
INTRODUCTION: This phase I, open-label, multiple-dose, two-treatment study assessed the relationship between edoxaban equivalent concentration derived from an anti-FXa assay with the summed concentration of edoxaban and its active metabolite, M-4, as assessed by liquid chromatography coupled with tandem mass spectrometry (LC/MS/MS). This study also assessed the relationship between edoxaban plasma concentrations assessed by LC/MS/MS in sodium citrate and lithium heparin tubes. MATERIALS AND METHODS: Healthy volunteers were randomized to receive once-daily edoxaban 60mg or 90mg for 5days (15 participants per treatment group)...
May 7, 2017: Thrombosis Research
https://www.readbyqxmd.com/read/28535410/effect-of-enzyme-inhibition-on-perampanel-pharmacokinetics-why-study-design-matters
#16
Barry E Gidal, Rama Maganti, Antonio Laurenza, Haichen Yang, David A Verbel, Edgar Schuck, Jim Ferry
OBJECTIVES: Perampanel, a selective, noncompetitive AMPA receptor antagonist, is indicated as adjunctive therapy for the treatment of partial seizures with or without secondarily generalized seizures and primary generalized tonic-clonic seizures in patients with epilepsy aged 12years and older. In vitro studies and Phase I trials indicate that perampanel is metabolized almost exclusively by CYP3A, with an elimination half-life (t1/2) averaging approximately 105h. Understanding of pharmacokinetic (PK) interactions-enzyme inhibition or induction-and anticipating their occurrence are important for management of patients with epilepsy...
April 26, 2017: Epilepsy Research
https://www.readbyqxmd.com/read/28535309/sex-pheromone-dosages-and-release-point-densities-for-mating-disruption-of-ostrinia-furnacalis-lepidoptera-crambidae-in-ne-china-corn-fields
#17
Ri-Zhao Chen, Chung-Kuang Jow, Michael G Klein, Yu-di Jia, Da-Yu Zhang, Lan-Bing Li
Mating disruption of Ostrinia furnacalis (Guenée) (Lepidoptera: Crambidae) with its sex pheromone has not been commonly used in NE China due to a lack of information about optimal sex pheromone dosages and the density of release points required in the field. During 2014-2016, first, the two active pheromone ingredients were evaluated in the laboratory alone at ca. 2.5-5.0 mg, or in combination at 0.2-6.0 mg, to disrupt male O. furnacalis mating behaviors. Then, mating disruption areas, with radii of <8...
May 23, 2017: Environmental Entomology
https://www.readbyqxmd.com/read/28535307/intergenerational-impact-of-paternal-lifetime-exposures-to-both-folic-acid-deficiency-and-supplementation-on-reproductive-outcomes-and-imprinted-gene-methylation
#18
Lundi Ly, Donovan Chan, Mahmoud Aarabi, Mylène Landry, Nathalie A Behan, Amanda J MacFarlane, Jacquetta Trasler
STUDY QUESTION: Do paternal exposures to folic acid deficient (FD), and/or folic acid supplemented (FS) diets, throughout germ cell development adversely affect male germ cells and consequently offspring health outcomes? SUMMARY ANSWER: Male mice exposed over their lifetimes to both FD and FS diets showed decreased sperm counts and altered imprinted gene methylation with evidence of transmission of adverse effects to the offspring, including increased postnatal-preweaning mortality and variability in imprinted gene methylation...
May 23, 2017: Molecular Human Reproduction
https://www.readbyqxmd.com/read/28535303/a-novel-goldnano-carb-test-for-rapid-phenotypic-detection-of-carbapenemases-particularly-oxa-type-in-enterobacteriaceae-pseudomonas-aeruginosa-and-acinetobacter-spp
#19
Arpasiri Srisrattakarn, Aroonlug Lulitanond, Chotechana Wilailuckana, Nicha Charoensri, Jureerut Daduang, Aroonwadee Chanawong
Objectives: To develop a simple gold nanoparticle (AuNP)-based colorimetric test, GoldNano Carb (GoldC), for detecting carbapenemase production in Gram-negative bacteria, compared with updated Carba NP (CNP) and CarbAcineto NP (CAcNP) tests by using PCR methods as gold standard. Methods: Ninety-nine carbapenemase-producing Enterobacteriaceae (CPE), Pseudomonas spp. and Acinetobacter spp. isolates and 89 non-CPE isolates were tested by the GoldC and CNP. Additionally, the CAcNP was performed in the Acinetobacter spp...
May 23, 2017: Journal of Antimicrobial Chemotherapy
https://www.readbyqxmd.com/read/28535298/ledipasvir-sofosbuvir-plus-ribavirin-in-treatment-naive-patients-with-hepatitis-c-virus-genotype-3-infection-an-open-label-study
#20
Jordan J Feld, Alnoor Ramji, Stephen D Shafran, Bernard Willems, Paul Marotta, Emmanuelle Huchet, Marie-Louise Vachon, Evguenia S Svarovskaia, K C Huang, Robert H Hyland, Chohee Yun, Benedetta Massetto, Diana M Brainard, John G McHutchison, Edward Tam, Robert Bailey, Curtis Cooper, Eric M Yoshida, Susan Greenbloom, Magdy Elkhashab, Sergio Borgia, Mark G Swain
Background.: Patients chronically infected with genotype 3 hepatitis C virus (HCV) have faster disease progression and are less responsive to current direct-acting antiviral regimens than patients infected with other genotypes. We conducted an open-label trial to evaluate the safety, tolerability, and efficacy of ledipasvir and sofosbuvir plus ribavirin in patients with genotype 3 HCV infection. Methods.: We enrolled treatment-naive patients with and without compensated cirrhosis at 15 sites in Canada...
May 23, 2017: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
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