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https://www.readbyqxmd.com/read/29353265/growth-sexual-and-bone-development-in-a-boy-with-bilateral-anorchia-under-testosterone-treatment-guided-by-the-development-of-his-monozygotic-twin
#1
Sara Vandewalle, Eva Van Caenegem, Margarita Craen, Youri Taes, Jean-Marc Kaufman, Guy T'Sjoen
BACKGROUND: Sex steroids are essential for sexual maturation, linear growth and bone development. However, there is no consensus on the optimal timing, dosage and dosage interval of testosterone therapy to induce pubertal development and achieve a normal adult height and bone mass in children with hypogonadism. CASE PRESENTATION: A monozygotic monochorial male twin pair, of which one boy was diagnosed with anorchia at birth due to testicular regression syndrome was followed from the age of 3 until the age of 18 years...
January 20, 2018: Journal of Pediatric Endocrinology & Metabolism: JPEM
https://www.readbyqxmd.com/read/29353208/natural-products-berberine-and-curcumin-exhibited-better-ameliorative-effects-on-rats-with-non-alcohol-fatty-liver-disease-than-lovastatin
#2
Wu-Wen Feng, Shuang-Yu Kuang, Can Tu, Zhi-Jie Ma, Jing-Yao Pang, Yan-Hui Wang, Qing-Ce Zang, Ta-Si Liu, Yan-Ling Zhao, Xiao-He Xiao, Jia-Bo Wang
Studies have shown that satins and herbal products have potential to treat non-alcohol fatty liver disease (NAFLD) in clinic. However, no study has compared their effects, and their mechanisms remain unresolved. Here, we choose lovastatin and two herbal products including berberine and curcumin to compare their effects in treating NAFLD. NAFLD model was established by high fat food, and rats were administrated with lovastatin, berberine, curcumin, berberine + curcumin at the dosage of 100, 100, 100, 50 + 50 mg/kg bw, respectively...
January 17, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29353203/the-water-extract-of-tutsan-hypericum-androsaemum-l-red-berries-exerts-antidepressive-like-effects-and-in-vivo-antioxidant-activity-in-a-mouse-model-of-post-stroke-depression
#3
Seyed Mohammad Nabavi, Seyed Fazel Nabavi, Antoni Sureda, Giovanni Caprioli, Romilde Iannarelli, Arold Jorel Tsetegho Sokeng, Nady Braidy, Sedigheh Khanjani, Akbar Hajizadeh Moghaddam, Atanas G Atanasov, Maria Daglia, Filippo Maggi
Hypericum androsaemum L., commonly known as 'tutsan' or 'shrubby St. John's Wort', is a member of the Hypericum genus found growing spontaneously in the Mediterranean area and is cultivated extensively as an ornamental plant due to the showy color variation in its fresh berry-like capsules, which turn from red to shiny black as they ripen. Tutsan has also been used in Portuguese and Spanish folk medicine to treat depression. In this study, we assessed the beneficial role of the water extract of H. androsaemum red berries (WE) in an experimental animal model of post-stroke depression...
January 16, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29353113/cadmium-immobilization-in-river-sediment-using-stabilized-nanoscale-zero-valent-iron-with-enhanced-transport-by-polysaccharide-coating
#4
Danlian Huang, Zhengxun Hu, Zhiwei Peng, Guangming Zeng, Guomin Chen, Chen Zhang, Min Cheng, Jia Wan, Xi Wang, Xiang Qin
Proper management of metal-contaminated sediment plays a key role in sediment recovery and reuse. This study synthesized two kinds of stabilized nanoscale zero-valent iron (nZVI) with starch (S-nZVI) and carboxymethyl cellulose (C-nZVI) for the in situ immobilization of Cd(II) in river sediment and investigated their transport in porous media. Experimental data showed that when the sediment sample was treated with C-nZVI for 56 days at a dosage ranging from 5 to 10 mg/g-sediment as Fe0, the TCLP (toxicity characteristic leaching procedure) leachability of Cd(II) in the sediment decreased by 93...
January 17, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29353070/7-hydroxylation-of-warfarin-is-strongly-inhibited-by-sesamin-but-not-by-episesamin-caffeic-and-ferulic-acids-in-human-hepatic-microsomes
#5
Nadezhda Pilipenko, Martin Krøyer Rasmussen, Olena Doran, Galia Zamaratskaia
Warfarin is a commonly used anticoagulant drug and is a derivate of coumarin. Cytochrome P450 2C9 (CYP2C9) plays the key role in transformation of coumarin and thus, influences determination of warfarin dosage. A number of factors including dietary compounds such as sesamin, caffeic acid and ferulic acids can regulate the activity of CYP2C9. The present study tested the hypothesis that sesamin, episesamin, caffeic acid and ferulic acid decreases the rate of warfarin 7-hydroxylation via inhibition of hepatic CYP2C9...
January 15, 2018: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/29353003/urine-and-plasma-metabolomics-study-on-potential-hepatoxic-biomarkers-identification-in-rats-induced-by-gynura-segetum
#6
Qiu Shoubei, Zhang Haixia, Fei Qianqian, Zhu Fenxia, Wang Jing, Jia Xiaobin, Chen Bin
ETHNOPHARMACOLOGICAL RELEVANCE: Gynura segetum (GS) is an herbal medicine containing Pyrrolizidine Alkaloids (PAs) that causes hepatic sinusoidal obstruction syndrome (HSOS). AIM OF THE STUDY: To discover potential biomarkers and metabolic mechanisms involved in the hepatotoxicity induced by GS. METHODS: SD rats were randomly divided into 4 groups including Saline, the decoction of GS high, medium and low dosage at dosages of 3.75g • kg-1, 7...
January 15, 2018: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/29352948/laccase-tempo-mediated-air-oxidation-of-galactomannan-for-use-as-paper-strengthening-agent
#7
Jipeng Di, Qi Sun, Xianliang Song
In this study, galactomannans, which are a type of plant polysaccharide, were oxidized by using a laccase and TEMPO-mediated air-oxidation system. The influence of the oxidation conditions, including the laccase doses, oxidation times, and amounts of oxidizing system, on the properties of the paper were investigated. The results showed that the oxidized galactomannans could improve the paper properties. The optimal conditions were as follows: a 60 U/g enzyme dosage; 6-h oxidization time and a 0.1 g TEMPO dosage...
March 15, 2018: Carbohydrate Polymers
https://www.readbyqxmd.com/read/29352757/refractory-heartburn-a-challenging-problem-in-clinical-practice
#8
REVIEW
Gerson Domingues, Joaquim Prado P Moraes-Filho, Ronnie Fass
Gastroesophageal reflux disease (GERD) is a condition which develops when the reflux of stomach contents causes troublesome symptoms and/or complications. Heartburn and regurgitation are the typical symptoms of GERD. The treatment of GERD encompasses lifestyle modifications, pharmacological, endoscopic, and surgical therapy. The majority of the patients respond to 4-8 weeks of proton-pump inhibitors therapy, but 20-42% will demonstrate partial or complete lack of response to treatment. While these patients have been considered as having refractory heartburn, a subset of them does not have GERD or have not been adequately treated...
January 20, 2018: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/29351765/retrospective-analysis-of-insulin-responses-to-standard-dosed-oral-glucose-tests-ogts-via-naso-gastric-tubing-towards-definition-of-an-objective-cut-off-value
#9
Tobias Warnken, Julien Delarocque, Svenja Schumacher, Korinna Huber, Karsten Feige
BACKGROUND: Insulin dysregulation (ID) with basal or postprandial hyperinsulinemia is one of the key findings in horses and ponies suffering from the equine metabolic syndrome (EMS). Assessment of ID can easily be performed in clinical settings by the use of oral glucose challenge tests. Oral glucose test (OGT) performed with 1 g/kg bodyweight (BW) glucose administered via naso-gastric tube allows the exact administration of a defined glucose dosage in a short time. However, reliable cut-off values have not been available so far...
January 19, 2018: Acta Veterinaria Scandinavica
https://www.readbyqxmd.com/read/29351095/the-effect-of-ketorolac-on-thoracolumbar-posterolateral-fusion-a-systematic-review-and-meta-analysis
#10
Jesse Li, Remi M Ajiboye, Michael H Orden, Akshay Sharma, Austin Drysch, Sina Pourtaheri
STUDY DESIGN: Systematic review and meta-analysis. OBJECTIVE: The purpose of this study was to evaluate the effect of postoperative ketorolac administration (ie, dosage and duration of use) on pseudarthrosis following thoracolumbar posterolateral spinal fusions. SUMMARY OF BACKGROUND DATA: Ketorolac is a nonsteroidal anti-inflammatory drug often administered for pain control after spine surgery. The main concern with ketorolac is the risk of pseudarthrosis following fusion...
January 18, 2018: Clinical Spine Surgery
https://www.readbyqxmd.com/read/29350092/focus-on-the-target-angiographic-features-of-the-fistulous-point-and-prognosis-of-transvenous-embolization-of-cavernous-sinus-dural-arteriovenous-fistula
#11
Hui Guo, QianKun Yin, Peng Liu, Ning Guan, Xiaochuan Huo, Youxiang Li
Background and purpose Transvenous embolization (TVE) is widely utilized as an effective and safe treatment option for cavernous sinus dural arteriovenous fistula (CS-dAVF); however, detecting the exact location of the fistula is challenging. The present study identified the angiographic features of the fistulous point and evaluated the match with the microcatheter tip and fistulous point. Materials and methods An analysis cohort of 45 consecutive patients with CS-dAVF treated by TVE was analyzed retrospectively...
January 1, 2018: Interventional Neuroradiology
https://www.readbyqxmd.com/read/29349833/a-systematic-assessment-of-key-design-and-performance-characteristics-of-drug-exposure-registries-requested-by-the-u-s-food-and-drug-administration
#12
Yanling Zhao, Ellen Pinnow, Jacqueline M Major
PURPOSE: The purpose of the study is to evaluate contributions to postmarket safety assessments and identify potential factors for enhancing implementation and utilization of registries in regulatory decision-making. METHODS: Registry documents (e.g., protocols, reports) submitted to the FDA were identified up to January 2016 through an extensive, systematic review of internal records and resources. We characterized nonpregnancy drug exposure registries based on prespecified design elements, performance, and regulatory impact...
January 19, 2018: Pharmacoepidemiology and Drug Safety
https://www.readbyqxmd.com/read/29349741/degradation-behavior-of-triclosan-by-co-exposure-to-chlorine-dioxide-and-uv-irradiation-influencing-factors-and-toxicity-changes
#13
Qing-Song Li, Hui-Wen Cai, Guo-Xin Li, Guo-Yuan Chen, Xiao-Yan Ma, Wen-Long He
This study investigated the transformation of triclosan (TCS) following co-exposure to UV irradiation and ClO2. Special attention was given to understand the influencing of water quality parameters and toxicity changes during the co-exposure process. The results show that the co-exposure process prompted TCS elimination quickly and effectively, with more than 99% of TCS degraded under the experimental conditions. The molar yield ratios of 2,4-dichlorophenol/TCS (2,4-DCP/TCS) were calculated to be 35.81-74.49%; however, the by-product of 2,8-dichlorodibenzop-dioxin (2,8-Cl2DD) was not detected...
January 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29349739/enhanced-reductive-dechlorination-of-1-1-1-trichloroethane-using-zero-valent-iron-biochar-carrageenan-microspheres-preparation-and-microcosm-study
#14
Changling Ji, Liang Meng, Hualin Wang
In this study, a composite remediation material for the enhanced reductive dechlorination (ERD) of 1,1,1-trichloroethane (1,1,1-TCA) in aqueous solution was prepared. This material was comprised of biochar as the carrier and adsorbent, and carrageenan (CG) as the embedding medium to entrap the organic carbon sources and zero-valent iron (ZVI). We determined the suitable biochar dosage and organic carbon source in the composite alongside the optimal preparation conditions. Furthermore, using an anaerobic microcosm study, we discussed the performance and possible mechanisms of the composite on 1,1,1-TCA removal in aqueous solution...
January 18, 2018: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/29349612/dexamethasone-induced-leukocytosis-is-associated-with-poor-survival-in-newly-diagnosed-glioblastoma
#15
Daniel Dubinski, Sae-Yeon Won, Florian Gessler, Johanna Quick-Weller, Bedjan Behmanesh, Simon Bernatz, Marie-Therese Forster, Kea Franz, Karl-Heinz Plate, Volker Seifert, Patrick N Harter, Christian Senft
Despite its well-characterized side effects, dexamethasone is widely used in the pre-, peri- and postoperative neurosurgical setting due to its effective relief of tumor-induced symptoms through the reduction of tumor-associated edema. However, some patients show laboratory-defined dexamethasone induced elevation of white blood cell count, and its impact on glioblastoma progression is unknown. We retrospectively analyzed 113 patients with newly diagnosed glioblastoma to describe the incidence, risk factors and clinical features of dexamethasone-induced leukocytosis in primary glioblastoma patients...
January 18, 2018: Journal of Neuro-oncology
https://www.readbyqxmd.com/read/29349599/evolution-of-eukaryal-and-archaeal-pseudouridine-synthase-pus10
#16
Elisabeth Fitzek, Archi Joardar, Ramesh Gupta, Matt Geisler
In archaea, pseudouridine (Ψ) synthase Pus10 modifies uridine (U) to Ψ at positions 54 and 55 of tRNA. In contrast, Pus10 is not found in bacteria, where modifications at those two positions are carried out by TrmA (U54 to m5U54) and TruB (U55 to Ψ55). Many eukaryotes have an apparent redundancy; their genomes contain orthologs of archaeal Pus10 and bacterial TrmA and TruB. Although eukaryal Pus10 genes share a conserved catalytic domain with archaeal Pus10 genes, their biological roles are not clear for the two reasons...
January 18, 2018: Journal of Molecular Evolution
https://www.readbyqxmd.com/read/29349592/overview-of-current-and-future-adjuvant-therapy-for-high-risk-localized-renal-cell-carcinoma
#17
REVIEW
Lakshminarayanan Nandagopal, Gurudatta Naik, Guru Sonpavde
High-risk localized renal cell carcinoma represents a therapeutic challenge with high recurrence rates and poor survival with nephrectomy alone. Multiple agents targeting angiogenic and immunologic pathways have demonstrated remarkable efficacy in the metastatic setting but have failed to replicate similar successes in localized disease. Study results with adjuvant anti-angiogenic therapies may have been compromised by the high incidence of treatment discontinuations or dosage reductions secondary to intolerable side effects...
January 18, 2018: Current Treatment Options in Oncology
https://www.readbyqxmd.com/read/29349346/characteristics-of-electroencephalogram-signatures-in-sedated-patients-induced-by-various-anesthetic-agents
#18
REVIEW
Byung-Moon Choi
Devices that monitor the depth of hypnosis based on the electroencephalogram (EEG) have long been commercialized, and clinicians use these to titrate the dosage of hypnotic agents. However, these have not yet been accepted as standard monitoring devices for anesthesiology. The primary reason is that the use of these monitoring devices does not completely prevent awareness during surgery, and the development of these devices has not taken into account the neurophysiological mechanisms of hypnotic agents, thus making it possible to show different levels of unconsciousness in the same brain status...
December 2017: Journal of Dental Anesthesia and Pain Medicine
https://www.readbyqxmd.com/read/29348684/mithramycin-a-suppresses-basal-triple-negative-breast-cancer-cell-survival-partially-via-down-regulating-kr%C3%A3-ppel-like-factor-5-transcription-by-sp1
#19
Rong Liu, Xu Zhi, Zhongmei Zhou, Hailin Zhang, Runxiang Yang, Tianning Zou, Ceshi Chen
As the most malignant breast cancer subtype, triple-negative breast cancer (TNBC) does not have effective targeted therapies clinically to date. As a selective Sp1 inhibitor, Mithramycin A (MIT) has been reported to have anti-tumor activities in multiple cancers. However, the efficacy and the mechanism of MIT in breast cancer, especially TNBC, have not been studied. In this study, we demonstrated that MIT suppressed breast cancer cell survival in a dosage-dependent manner. Interestingly, TNBC cells were more sensitive to MIT than non-TNBC cells...
January 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29348104/disposition-kinetics-of-omeprazole-in-healthy-female-volunteers-in-faisalabad
#20
Sadia Ashraf, Tanweer Khaliq, Ijaz Javed, Bilal Aslam, Nazia Qadir, Nadia Noor
Omeprazole (OMP) a proton pump inhibitor is widely used to suppress gastric acid secretions of parietal cells of stomach and metabolized predominantly by CYP2C19. The objective of the present study was to investigate the pharmacokinetics and dosage regimen of OMP, after its single oral administration in eight healthy adult female subjects. Blood samples were collected at different time intervals after oral administration and their pH was measured. Plasma concentration of OMP was determined by high performance liquid chromatography (HPLC) system equipped with UV-visible Detector...
January 2018: Pakistan Journal of Pharmaceutical Sciences
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