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https://www.readbyqxmd.com/read/28927212/fluorescein-guided-neuroendoscopy-for-intraventricular-lesions-a-case-series
#1
Alessandro Fiorindi, Alessandro Boaro, Giulia Del Moro, Pierluigi Longatti
BACKGROUND: The benefits of neuroendoscopy in the pathological diagnosis of intra- and paraventricular tumors have already been shown in many neurosurgical studies. However, most authors agree that neuroendoscopic biopsies are not infrequently inconclusive due to small or inadequate samples, prompting the need for new diagnostic strategies. OBJECTIVE: To describe a technique not previously reported in the literature, combining neuroendoscopy with angiofluorescein guidance for the pathological diagnosis of intra- and paraventricular tumors...
April 1, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28927175/increased-incidence-of-infective-endocarditis-after-the-2009-european-society-of-cardiology-guideline-update-a-nationwide-study-in-the-netherlands
#2
Floris S van den Brink, Martin J Swaans, Mark G Hoogendijk, Arash Alipour, Johannes C Kelder, Wybren Jaarsma, Frank D Eefting, Bjorn Groenmeijer, A Jon Funke Kupper, Jurrien M Ten Berg
Aims: After the introduction of the European Society of Cardiology (ESC) guidelines on prevention, diagnosis, and treatment of infective endocarditis (IE) in 2009, prophylaxis for patients at risk became less strict. We hypothesize that there will be a rise in IE after the introduction of the guideline update. Methods and Results: We performed a nationwide retrospective trend study using segmented regression analysis of the interrupted time series. The patient data were obtained via the national healthcare insurance database, which collects all the diagnoses nationwide...
April 1, 2017: European Heart Journal. Quality of Care & Clinical Outcomes
https://www.readbyqxmd.com/read/28927084/thalidomide-and-lenalidomide-for-recurrent-ovarian-cancer-a-systematic-review-of-the-literature
#3
Clemens B Tempfer, Beate Schultheis, Ziad Hilal, Askin Dogan, Günther A Rezniczek
The present review aimed to assess the safety and efficacy of thalidomide and lenalidomide, two immunomodulatory drugs with anti-angiogenic properties, in women with recurrent ovarian, fallopian tube, and primary peritoneal cancer. A systematic review of the literature was conducted whereby Medline and the Cochrane Central Register of Controlled Trials were searched using terms associated with thalidomide, lenalidomide, and recurrent ovarian, fallopian tube and primary peritoneal cancer. Published English language case reports, trials and studies that described the safety and efficacy of thalidomide or lenalidomide alone, or in combination with other drugs were reviewed...
September 2017: Oncology Letters
https://www.readbyqxmd.com/read/28927016/china-s-air-quality-and-respiratory-disease-mortality-based-on-the-spatial-panel-model
#4
Qilong Cao, Ying Liang, Xueting Niu
Background: Air pollution has become an important factor restricting China's economic development and has subsequently brought a series of social problems, including the impact of air pollution on the health of residents, which is a topical issue in China. Methods: Taking into account this spatial imbalance, the paper is based on the spatial panel data model PM2.5. Respiratory disease mortality in 31 Chinese provinces from 2004 to 2008 is taken as the main variable to study the spatial effect and impact of air quality and respiratory disease mortality on a large scale...
September 18, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28927011/assessing-autophagy-in-sciatic-nerves-of-a-rat-model-that-develops-inflammatory-autoimmune-peripheral-neuropathies
#5
REVIEW
Susana Brun, Nicolas Schall, Hélène Jeltsch-David, Jérôme de Sèze, Sylviane Muller
The rat sciatic nerve has attracted widespread attention as an excellent model system for studying autophagy alterations in peripheral neuropathies. In our laboratory, we have developed an original rat model, which we used currently in routine novel drug screening and to evaluate treatment strategies for chronic inflammatory demyelinating polyneuropathy (CIDP) and other closely related diseases. Lewis rats injected with the S-palmitoylated P0(180-199) peptide develop a chronic, sometimes relapsing-remitting type of disease...
September 18, 2017: Cells
https://www.readbyqxmd.com/read/28927003/expanding-the-applicability-of-poly-ionic-liquids-in-solid-phase-microextraction-pyrrolidinium-coatings
#6
David J S Patinha, Liliana C Tomé, Mehmet Isik, David Mecerreyes, Armando J D Silvestre, Isabel M Marrucho
Crosslinked pyrrolidinium-based poly(ionic liquids) (Pyrr-PILs) were synthesized through a fast, simple, and solventless photopolymerization scheme, and tested as solid phase microextraction (SPME) sorbents. A series of Pyrr-PILs bearing three different alkyl side chain lengths with two, eight, and fourteen carbons was prepared, characterized, and homogeneously coated on a steel wire by using a very simple procedure. The resulting coatings showed a high thermal stability, with decomposition temperatures above 350 °C, excellent film stability, and lifetime of over 100 injections...
September 18, 2017: Materials
https://www.readbyqxmd.com/read/28926993/satellite-dna-an-evolving-topic
#7
REVIEW
Manuel A Garrido-Ramos
Satellite DNA represents one of the most fascinating parts of the repetitive fraction of the eukaryotic genome. Since the discovery of highly repetitive tandem DNA in the 1960s, a lot of literature has extensively covered various topics related to the structure, organization, function, and evolution of such sequences. Today, with the advent of genomic tools, the study of satellite DNA has regained a great interest. Thus, Next-Generation Sequencing (NGS), together with high-throughput in silico analysis of the information contained in NGS reads, has revolutionized the analysis of the repetitive fraction of the eukaryotic genomes...
September 18, 2017: Genes
https://www.readbyqxmd.com/read/28926968/weakening-pin-bone-attachment-in-fish-fillets-using-high-intensity-focused-ultrasound
#8
Martin H Skjelvareid, Svein Kristian Stormo, Kristín Anna Þórarinsdóttir, Karsten Heia
High Intensity Focused Ultrasound (HIFU) can be used for the localized heating of biological tissue through the conversion of sound waves into heat. Although originally developed for human medicine, HIFU may also be used to weaken the attachment of pin bones in fish fillets to enable easier removal of such bones. This was shown in the present study, where a series of experiments were performed on HIFU phantoms and fillets of cod and salmon. In thin objects such as fish fillets, the heat is mainly dissipated at the surfaces...
September 18, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/28926966/augmented-renal-clearance-in-critical-illness-an-important-consideration-in-drug-dosing
#9
REVIEW
Sherif Hanafy Mahmoud, Chen Shen
Augmented renal clearance (ARC) is a manifestation of enhanced renal function seen in critically ill patients. The use of regular unadjusted doses of renally eliminated drugs in patients with ARC might lead to therapy failure. The purpose of this scoping review was to provide and up-to-date summary of the available evidence pertaining to the phenomenon of ARC. A literature search of databases of available evidence in humans, with no language restriction, was conducted. Databases searched were MEDLINE (1946 to April 2017), EMBASE (1974 to April 2017) and the Cochrane Library (1999 to April 2017)...
September 16, 2017: Pharmaceutics
https://www.readbyqxmd.com/read/28926933/itraq-based-quantitative-proteomic-analysis-reveals-cold-responsive-proteins-involved-in-leaf-senescence-in-upland-cotton-gossypium-hirsutum-l
#10
Xuewei Zheng, Shuli Fan, Hengling Wei, Chengcheng Tao, Qiang Ma, Qifeng Ma, Siping Zhang, Hongbin Li, Chaoyou Pang, Shuxun Yu
Premature leaf senescence occurs in the ultimate phase of the plant, and it occurs through a complex series of actions regulated by stress, hormones and genes. In this study, a proteomic analysis was performed to analyze the factors that could induce premature leaf senescence in two cotton cultivars. We successfully identified 443 differential abundant proteins (DAPs) from 7388 high-confidence proteins at four stages between non-premature senescence (NS) and premature senescence (PS), among which 158 proteins were over-accumulated, 238 proteins were down-accumulated at four stages, and 47 proteins displayed overlapped accumulation...
September 16, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28926883/-etiological-analysis-and-in-vitro-drug-sensitivity-of-bacterial-keratitis-in-northern-china-in-the-period-of-2006-2015
#11
Y Zhang, Z Q Wang, X G Sun
Objective: To analyze the etiology and drug sensitivity of bacterial keratitis and their changes, and to provide evidence for treatment and drug selection of bacterial keratitis. Methods: Retrospective case series study. From January 2006 to December 2015, corneal specimens suspected of bacterial infection were collected and cultured in Beijing Tongren Eye Center. General information of patients, etiological results and drug sensitivity test results were summarized and analyzed. The Chi-square test and Spearman correlation analysis were performed using SPSS 20...
September 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28926881/-emphasizing-the-diagnosis-and-treatment-of-diabetes-related-dry-eye
#12
J Yuan, Y Q Deng
Nowadays, diabetes is quickly emerging as one of the biggest health-related catastrophes over the world. Its impact on people's quality of life has been gradually taken seriously. In the past few years, the connection linking dry eye to diabetes has been substantially confirmed by a series of studies. However, many areas remain uncertain due to the complex and diverse pathogeneses of diabetes related dry eye syndrome. Furthermore, the slow progression of dry eye symptoms easily conceals its connection with diabetes, which brings great challenges to timely diagnosis and effective interventions...
September 11, 2017: [Zhonghua Yan Ke za Zhi] Chinese Journal of Ophthalmology
https://www.readbyqxmd.com/read/28926810/revisiting-the-biogeochemistry-of-arsenic-in-the-baltic-sea-impact-of-anthropogenic-activity
#13
Lei Li, Christa Pohl, Jing-Ling Ren, Detlef Schulz-Bull, Xiu-Hong Cao, Günther Nausch, Jing Zhang
With the increase in anthropogenic environmental disruption, the behavior of arsenic in the Baltic Sea has received more scientific attention because of its complex forms and toxicity, and was re-visited to determine if there have been measurable changes recently. A cruise was conducted in 10-19 May 2011 to investigate the species and distribution of total dissolved inorganic arsenic (TDIAs: [TDIAs]=[As(V)]+[As(III)]) revealing links between the hydrographic dynamics and biological/chemical reactions in the Baltic Sea...
September 16, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28926803/distribution-of-chromosome-breakpoints-in-benzene-exposed-and-unexposed-aml-patients
#14
Patrick J Kerzic, Richard D Irons
Results of laboratory studies and investigations of occupationally exposed healthy individuals have been used to develop a mode of action for benzene-induced leukemia that mirrors disease following treatment with chemotherapeutic agents. Recently we have described series of AML and MDS cases with benzene exposure history, and have provided cytogenetic, molecular, and pathologic evidence that these cases differ significantly in many features from therapy-related disease. Here we have extended this work, and describe chromosome breakpoints across 441 identifiable regions, in terms of gains or losses, in 710 AML cases collected during the Shanghai Health Study, which include 75 with a history of benzene exposure...
September 1, 2017: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/28926792/u-isotopes-distribution-in-the-lower-rhone-river-and-its-implication-on-radionuclides-disequilibrium-within-the-decay-series
#15
REVIEW
Mathilde Zebracki, Xavier Cagnat, Stéphanie Gairoard, Nicolas Cariou, Frédérique Eyrolle-Boyer, Béatrice Boulet, Christelle Antonelli
The large rivers are main pathways for the delivery of suspended sediments into coastal environments, affecting the biogeochemical fluxes and the ecosystem functioning. The radionuclides from (238)U and (232)Th-series can be used to understand the dynamic processes affecting both catchment soil erosion and sediment delivery to oceans. Based on annual water discharge the Rhone River represents the largest river of the Mediterranean Sea. The Rhone valley also represents the largest concentration in nuclear power plants in Europe...
September 16, 2017: Journal of Environmental Radioactivity
https://www.readbyqxmd.com/read/28926764/synthesis-antimicrobial-antiquorum-sensing-antitumor-and-cytotoxic-activities-of-new-series-of-cyclopenta-hepta-b-thiophene-and-fused-cyclohepta-b-thiophene-analogs
#16
Somaya A Abdel-Rahman, Nadia S El-Gohary, Eman R El-Bendary, Saadia M El-Ashry, Mona I Shaaban
New series of cyclopenta(hepta)[b]thiophene and fused cyclohepta[b]thiophene analogs were synthesized. The new analogs were assessed for antibacterial efficacy toward Escherichia coli ATCC 12435, Bacillus cereus UW 85 and Staphylococcus aureus. Compounds 5a, 6b and 12 showed eminent activity toward all selected bacterial strains compared to ampicillin. The antifungal efficacy of the same analogs was also examined toward Candida albicans and Aspergillus fumigatus 293, whereas 5a,b and 12 showed excellent efficacy toward both of the tested fungi...
September 4, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28926763/synthesis-and-2d-qsar-studies-of-neolignan-based-diaryl-tetrahydrofuran-and-furan-analogues-with-remarkable-activity-against-trypanosoma-cruzi-and-assessment-of-the-trypanothione-reductase-activity
#17
Ana Paula Hartmann, Marcelo Rodrigues de Carvalho, Lilian Sibelle Campos Bernardes, Milena Hoehr de Moraes, Eduardo Borges de Melo, Carla Duque Lopes, Mario Steindel, João Santana da Silva, Ivone Carvalho
Two series of diaryl-tetrahydrofuran and -furan were synthesised and screened for anti-trypanosomal activity against trypomastigote and amastigote forms of Trypanosoma cruzi, the causative agent of Chagas disease. Based on evidence that modification of a natural product may result in a more effective drug than the natural product itself, and using known neolignan inhibitors veraguensin 1 and grandisin 2 as templates to synthesise simpler analogues, remarkable anti-trypanosomal activity and selectivity were found for 3,5-dimethoxylated diaryl-furan 5c and 2,4-dimethoxylated diaryl-tetrahydrofuran 4e analogues with EC50 0...
September 4, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28926717/multiple-metabolic-pathways-for-metabolism-of-l-tryptophan-in-i-fusarium-graminearum-i
#18
Kun Luo, Caro-Lyne DesRoches, Anne Johnston, Linda J Harris, Hui-Yan Zhao, Thérèse Ouellet
<i>Fusarium graminearum </i>is a plant pathogen that can cause the devastating cereal grain disease fusarium head blight (FHB) in temperate regions of the world. Previous studies have shown that <i>F. graminearum </i>can synthetize indole-3-acetic acid (auxin) using L-tryptophan (L-TRP)-dependent pathways. In the present study, we have taken a broader approach to examine the metabolism of L-TRP in <i>F. graminearum </i>liquid culture. Our results showed that <i>F. graminearum </i>was able to transiently produce the indole tryptophol when supplied with L-TRP...
September 19, 2017: Canadian Journal of Microbiology
https://www.readbyqxmd.com/read/28926711/regiocontrolled-synthesis-of-%C3%AE-sulfonylmethyl-o-nitrostyrenes-via-zni2-mediated-sulfonylation-and-agno2-pd-pph3-4-promoted-o-nitration
#19
Meng-Yang Chang, Han-Yu Chen, Heui-Sin Wang
We report herein the AgNO2/Pd(PPh3)4-promoted regiocontrolled o-nitration of α-sulfonylmethyl styrenes in MeNO2 with good yields. The o-nitration process provides a series of sulfonyl o-nitrostyrenes. Substituted α-sulfonylmethyl styrenes were synthesized from ZnI2-mediated sulfonylation of substituted α-methylstyrenes and sodium sulfinates (RSO2Na) in MeCN with good to excellent yields. The structures of the key products were confirmed by X-ray crystallography. A plausible mechanism has been proposed herein...
September 19, 2017: Journal of Organic Chemistry
https://www.readbyqxmd.com/read/28926505/do-all-clavicle-fractures-in-children-need-to-be-managed-by-orthopedic-surgeons
#20
John Adamich, Andrew Howard, Mark Camp
OBJECTIVES: Although many uncomplicated pediatric fractures do not require routine long-term follow-up with an orthopedic surgeon, practitioners with limited experience dealing with pediatric fractures will often defer to a strategy of frequent clinical and radiographic follow-up. Development of an evidence-based clinical care pathway can help unnecessary radiation exposure to this patient population and reduce costs to patient families and the health care system. METHODS: A retrospective analysis including patients who presented to the Hospital for Sick Children (SickKids) for management of clavicle fractures was performed...
September 18, 2017: Pediatric Emergency Care
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