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https://www.readbyqxmd.com/read/29166498/evaluation-of-mean-platelet-volume-in-localized-scleroderma
#1
Anil Gulsel Bahali, Ozlem Su, Nazan Emiroglu, Fatma Pelin Cengiz, Mehmet Onur Kaya, Nahide Onsun
BACKGROUND: Localized scleroderma is a chronic inflammatory skin disease characterized by sclerosis of the dermis and subcutaneous tissue. Platelets play an important role in inflammation. Following activation, platelets rapidly release numerous mediators and cytokines, which contribute to inflammation. OBJECTIVES: To evaluate whether there was any relation between localized scleroderma and platelet parameters. METHODS: Forty-one patients with localized scleroderma were enrolled in the study...
September 2017: Anais Brasileiros de Dermatologia
https://www.readbyqxmd.com/read/29166402/early-pleistocene-archaeological-occurrences-at-the-feiliang-site-and-the-archaeology-of-human-origins-in-the-nihewan-basin-north-china
#2
Shuwen Pei, Fei Xie, Chenglong Deng, Zhenxiu Jia, Xiaomin Wang, Ying Guan, Xiaoli Li, Dongdong Ma, Ignacio de la Torre
The Early Pleistocene archaeological evidence from the fluvio-lacustrine sequence of the Nihewan Basin (North China) offers an excellent opportunity to explore early human evolution and behavior in a temperate setting in East Asia, following the earliest 'Out of Africa'. Here we present the first comprehensive study of the Feiliang (FL) site, with emphasis on the archaeological sequence, site integrity, and stone artifact assemblages. Magnetostratigraphic dating results show that early humans occupied the site ca...
2017: PloS One
https://www.readbyqxmd.com/read/29162699/dnajb1-prkaca-fusion-kinase-interacts-with-%C3%AE-catenin-and-the-liver-regenerative-response-to-drive-fibrolamellar-hepatocellular-carcinoma
#3
Edward R Kastenhuber, Gadi Lalazar, Shauna L Houlihan, Darjus F Tschaharganeh, Timour Baslan, Chi-Chao Chen, David Requena, Sha Tian, Benedikt Bosbach, John E Wilkinson, Sanford M Simon, Scott W Lowe
A segmental deletion resulting in DNAJB1-PRKACA gene fusion is now recognized as the signature genetic event of fibrolamellar hepatocellular carcinoma (FL-HCC), a rare but lethal liver cancer that primarily affects adolescents and young adults. Here we implement CRISPR-Cas9 genome editing and transposon-mediated somatic gene transfer to demonstrate that expression of either the endogenous fusion protein or a chimeric cDNA leads to the formation of indolent liver tumors in mice that closely resemble human FL-HCC...
November 21, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/29160400/microtensile-bond-strength-of-adhesive-systems-in-different-dentin-regions-on-a-class-ii-cavity-configuration
#4
Mário Alexandre Coelho Sinhoreti, Eveline Freitas Soares, Gabriel Flores Abuna, Lourenço Correr, Jean-François Roulet, Saulo Geraldeli
The aim of this study was to evaluate microtensile bond strength (µTBS) of self-etch and etch-and-rinse adhesives systems compared in different dentin regions (central-CD or proximal-PD) in a class II cavity configuration. A class II (mesial-oclusal-distal) cavity configuration was simulated on 20 extracted human third-molars (4 mm wide/3 mm deep). Etch-and-rinse adhesive (Scotchbond Multi Purpose, n=5, SBMP and Optibond FL, n=5, OPFL) and self-etch adhesives (Clearfil SE Bond, n=5, CSE and Optibond XTR, n=5, OPXTR) were applied...
July 2017: Brazilian Dental Journal
https://www.readbyqxmd.com/read/29160151/extracellular-matrix-from-periodontal-ligament-cells-could-induce-the-differentiation-of-induced-pluripotent-stem-cells-to-periodontal-ligament-stem-cell-like-cells
#5
Sayuri Hamano, Atsushi Tomokiyo, Daigaku Hasegawa, Shinichiro Yoshida, Hideki Sugii, Hiromo Mitarai, Shoko Fujino, Naohisa Wada, Hidefumi Maeda
The periodontal ligament (PDL) plays an important role in anchoring teeth in the bone socket. Damage to the PDL, such as following severe inflammation, can be treated with a therapeutic strategy that uses stem cells derived from PDL tissue (PDLSCs), a strategy that has received intense scrutiny over the past decade. However, there is an insufficient number of PDLSCs within the PDL for treating such damage. Therefore, we sought to induce the differentiation of induced pluripotent stem (iPS) cells into PDLSCs as an initial step toward PDL therapy...
November 21, 2017: Stem Cells and Development
https://www.readbyqxmd.com/read/29160034/free-living-chemoautotrophic-and-particle-attached-heterotrophic-prokaryotes-dominate-microbial-assemblages-along-a-pelagic-redox-gradient
#6
Elizabeth A Suter, Maria Pachiadaki, Gordon T Taylor, Yrene Astor, Virginia P Edgcomb
Using the anoxic Cariaco Basin as a natural laboratory, particle association of bacterial and archaeal taxa was assessed by iTag sequencing and qPCR gene assays of samples spanning an oxic-anoxic-euxinic gradient. Ten to twelve percent of all bacterial and archaeal cells were found in the particle-associated (PA) fraction, operationally defined as prokaryotes captured on 2.7µm membranes. Both redox condition and size fraction segregated bacterial taxa. Archaeal taxa varied according to redox conditions, but were similar between size fractions...
November 21, 2017: Environmental Microbiology
https://www.readbyqxmd.com/read/29159749/fullerenol-based-intracellular-delivery-of-methotrexate-a-water-soluble-nanoconjugate-for-enhanced-cytotoxicity-and-improved-pharmacokinetics
#7
Shradha Bahuguna, Manish Kumar, Gajanand Sharma, Rajendra Kumar, Bhupinder Singh, Kaisar Raza
Derivatization of fullerenes to polyhydroxylated fullerenes, i.e., fullerenols (FLU), dramatically decreases their toxicity and has been reported to enhance the solubility as well as cellular permeability. In this paper, we report synthesis of FLU as nanocarrier and subsequent chemical conjugation of Methotrexate (MTX) to FLU with a serum-stable and intracellularly hydrolysable ester bond between FLU and MTX. The conjugate was characterized for physiochemical attributes, micromeritics, drug-loading, and drug-release and evaluated for cancer cell-toxicity, cellular-uptake, hemocompatibility, protein binding, and pharmacokinetics...
November 20, 2017: AAPS PharmSciTech
https://www.readbyqxmd.com/read/29158360/chromatin-modifying-gene-mutations-in-follicular-lymphoma
#8
Michael R Green
Follicular lymphoma (FL) is an indolent malignancy of germinal center B (GCB)-cells. Although the overall survival of FL patients has recently improved with the introduction of novel therapies, there is significant heterogeneity in patient outcome and a need for rationally designed therapeutic strategies that target disease biology. Next generation sequencing studies have identified chromatin modifying gene (CMG) mutations as a hallmark of FL, highlighting epigenetic modifiers as an attractive therapeutic target in this disease...
November 20, 2017: Blood
https://www.readbyqxmd.com/read/29157330/easy-and-fast-method-for-the-determination-of-biogenic-amines-in-fish-and-fish-products-with-liquid-chromatography-coupled-to-orbitrap-tandem-mass-spectrometry
#9
Anton Kaufmann, Kathryn Maden
A quantitative method for the determination of biogenic amines was developed. The method is characterized by the virtual absence of sample cleanup and does not require a derivatization reaction. Diluted extracts are centrifuged, filtrated, and directly injected into an ultra-HPLC column, which is coupled to a single-stage high-resolution mass spectrometer (Orbitrap). The chromatography is based on a reversed-phase column and an eluent containing an ion-pairing agent (heptafluorobutyric acid). The high sensitivity of the instrument permits the injection of very diluted extracts, which ensures stable retention times and the virtual absence of signal suppression effects...
November 20, 2017: Journal of AOAC International
https://www.readbyqxmd.com/read/29155064/enterprise-deployment-through-a-pulserider-to-treat-an-anterior-communicating-artery-aneurysm-recurrence
#10
Iacopo Valente, Nicola Limbucci, Sergio Nappini, Andrea Rosi, Antonio Laiso, Salvatore Mangiafico
BACKGROUND: PulseRider (Pulsar Vascular, Los Gatos, CA, USA) is a new endovascular device designed to treat wide neck bifurcation intracranial aneurysms. Deployment of a stent through a PulseRider to treat an aneurysm's recurrence has never been described before. CASE DESCRIPTION: We report the case of a 55-year-old man who underwent coiling of a 8 mm anterior communicating artery aneurysm with assistance of a PulseRider neck reconstruction device. The 6-month digital subtraction angiography control showed aneurysm recurrence, so we deployed an Enterprise 2 closed-cell stent (Codman, Miami Lakes, FL, USA) in the A1-A2 segment passing across the previously implanted PulseRider...
November 14, 2017: World Neurosurgery
https://www.readbyqxmd.com/read/29154432/proposal-for-heart-failure-progression-based-on-the-chloride-theory-worsening-heart-failure-with-increased-vs-non-increased-serum-chloride-concentration
#11
Hajime Kataoka
AIMS: Chloride (Cl) is an established key electrolyte for the activation of the renin-angiotensin-aldosterone system. Recent studies have shown the serum Cl as a key electrolyte for the regulation of body fluid distribution in heart failure (HF) patients. The clinical differences of worsening HF status according to the changes in serum Cl concentration are unclear. METHODS AND RESULTS: Data from 47 chronic HF patients were analysed. Upon worsening HF, each patient exhibited at least two HF-related signs...
November 2017: ESC Heart Failure
https://www.readbyqxmd.com/read/29153660/fetal-size-and-growth-velocity-in-chronic-hypertension
#12
T Frusca, S Parolini, A Dall'Asta, W A Hassan, A Vitulo, A Gillett, D Pasupathy, C C Lees
OBJECTIVE: To investigate longitudinal fetal growth and growth velocity for commonly measured biometric parameters in women with chronic hypertension. METHODS: Two centre retrospective European study of women with chronic hypertension ascertained at pregnancy booking. Ultrasound measurements of head circumference (HC), abdominal circumference (AC) and femur length (FL) were used to derive longitudinal fetal growth charts derived using functional linear discriminant analysis (FLDA)...
October 2017: Pregnancy Hypertension
https://www.readbyqxmd.com/read/29152623/margin-integrity-of-conservative-composite-restorations-after-resin-infiltration-of-demineralized-enamel
#13
Philipp Körner, Mohamed El Gedaily, Rengin Attin, Daniel B Wiedemeier, Thomas Attin, Tobias T Tauböck
PURPOSE: To investigate the influence of pretreating demineralized enamel with a caries infiltrant on the margin integrity of Class V composite restorations bonded with different adhesives. MATERIALS AND METHODS: A total of 60 specimens from bovine incisors were demineralized (21 days, acid buffer, pH 4.95) to create artificial enamel lesions, and circular Class V cavities were prepared. Cavities of half of the specimens were treated with either an unfilled etch-and-rinse adhesive (Syntac Classic; Ivoclar Vivadent), a filled etchand- rinse adhesive (Optibond FL; Kerr), or a self-etch adhesive (iBond Self Etch; Heraeus Kulzer) (n = 10 per group)...
November 17, 2017: Journal of Adhesive Dentistry
https://www.readbyqxmd.com/read/29151647/7-10-epoxyoctadeca-7-9-dienoic-acid-a-small-molecule-adjuvant-that-potentiates-%C3%AE-lactam-antibiotics-against-multidrug-resistant-staphylococcus-aureus
#14
Chakradhar Dasagrandhi, Young-Soon Kim, In-Hwan Kim, Ching T Hou, Hak-Ryul Kim
The emergence of methicillin-resistant Staphylococcus aureus (MRSA) infections with multi-drug resistance needs effective and alternative control strategies. In this study we investigated the adjuvant effect of a novel furan fatty acid, 7,10-epoxyoctadeca-7,9-dienoic acid (7,10-EODA) against multidrug-resistant S. aureus (MDRSA) strain 01ST001 by disc diffusion, checker board and time kill assays. Further the membrane targeting action of 7,10-EODA was investigated by spectroscopic and confocal microscopic studies...
December 2017: Indian Journal of Microbiology
https://www.readbyqxmd.com/read/29150682/enantioselective-transformation-of-fluoxetine-in-water-and-its-ecotoxicological-relevance
#15
María Jesús Andrés-Costa, Kathryn Proctor, Marco T Sabatini, Anthony P Gee, Simon E Lewis, Yolanda Pico, Barbara Kasprzyk-Hordern
European legislation focusing on water quality is expected to broaden to encompass several pharmaceuticals as priority hazardous substances. This manuscript aims to challenge current regulatory approaches that do not recognize stereochemistry of chiral pharmaceuticals by testing the hypothesis that environmental transformation and effects of chiral pharmaceuticals are stereoselective. Our experiments revealed that, while degradation of chiral fluoxetine (FL) in river water occurs via non-enantioselective photochemical and mildly-enantioselective microbial processes favoring the (R)-enantiomer, a pronounced enantioselectivity favoring (S)-FL (leading to the formation of (S)-NFL (norfluoxetine)) is observed during activated sludge treatment...
November 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29149631/prostaglandin-j2-promotes-o-glcnacylation-raising-app-processing-by-%C3%AE-and-%C3%AE-secretases-relevance-to-alzheimer-s-disease
#16
Teneka Jean-Louis, Patricia Rockwell, Maria E Figueiredo-Pereira
Regulation of the amyloid precursor protein (APP) processing by α- and β-secretases is of special interest to Alzheimer's disease (AD), as these proteases prevent or mediate amyloid beta formation, respectively. Neuroinflammation is also implicated in AD. Our data demonstrate that the endogenous mediator of inflammation prostaglandin J2 (PGJ2) promotes full-length APP (FL-APP) processing by α- and β-secretases. The decrease in FL-APP was independent of proteasomal, lysosomal, calpain, caspase, and γ-secretase activities...
November 14, 2017: Neurobiology of Aging
https://www.readbyqxmd.com/read/29148914/marginal-gap-formation-in-approximal-bulk-fill-resin-composite-restorations-after-artificial-ageing
#17
A Peutzfeldt, S Mühlebach, A Lussi, S Flury
The aim of this in vitro study was to investigate the marginal gap formation of a packable "regular" resin composite (Filtek Supreme XTE [3M ESPE]) and two flowable "bulk fill" resin composites (Filtek Bulk Fill [3M ESPE] and SDR [DENTSPLY DeTrey]) along the approximal margins of Class II restorations. In each of 39 extracted human molars (n=13 per resin composite), mesial and distal Class II cavities were prepared, placing the gingival margins below the cemento-enamel junction. The cavities were restored with the adhesive system OptiBond FL (Kerr) and one of the three resin composites...
November 17, 2017: Operative Dentistry
https://www.readbyqxmd.com/read/29147154/successful-embolization-therapy-through-reentry-tear-in-the-right-subclavian-artery-for-treating-patent-false-lumen-in-the-aortic-arch-formed-after-type-a-dissection-repair
#18
Hirohito Ishii, Kunihide Nakamura, Eisaku Nakamura, Koji Furukawa, Kouichiro Ochiai
A 73-year-old woman had undergone hemiarch replacement with primary entry resection for treating acute type A dissection 6 years ago. Postoperative computed tomography (CT) showed a patent false lumen (FL) in the aortic arch and a reentry tear in the right subclavian artery. The remaining aortic arch enlarged, which resulted in formation of a 55-mm-diameter aneurysm. We performed reentry occlusion using embolization with glue and coil. The patient's clinical course after the procedure was uneventful, and subsequent CT showed that FL was thrombosed and had decreased in size...
September 25, 2017: Annals of Vascular Diseases
https://www.readbyqxmd.com/read/29146012/a-biomechanical-cadaveric-study-comparing-superior-capsule-reconstruction-using-fascia-lata-allograft-with-human-dermal-allograft-for-irreparable-rotator-cuff-tear
#19
Teruhisa Mihata, Christopher N H Bui, Masaki Akeda, Matthew A Cavagnaro, Michael Kuenzler, Alexander B Peterson, Michelle H McGarry, Yasuo Itami, Orr Limpisvasti, Masashi Neo, Thay Q Lee
BACKGROUND: Biomechanical and clinical success of the superior capsule reconstruction (SCR) using fascia lata (FL) grafts has been reported. In the United States, human dermal (HD) allograft has been used successfully for SCRs; however, the biomechanical characteristics have not been reported. METHODS: Eight cadaveric shoulders were tested in 5 conditions: (1) intact; (2) irreparable supraspinatus tear; (3) SCR using FL allograft with anterior and posterior suturing; (4) SCR using HD allograft with anterior and posterior suturing; and (5) SCR using HD allograft with posterior suturing...
December 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/29145563/neuronal-dnmt1-deficiency-attenuates-diet-induced-obesity-in-mice
#20
Emily C Bruggeman, John T Garretson, Rui Wu, Hang Shi, Bingzhong Xue
Aberrant neuronal DNA methylation patterns have been implicated in the promotion of obesity development, but the role of neuronal DNA methyltransferases (Dnmts; enzymes that catalyze DNA methylation) in energy balance remains poorly understood. We investigated whether neuronal Dnmt1 regulates normal energy homeostasis and obesity development using a novel Dnmt1 knockout mouse model, Dnmt1fl/fl Synapsin1Cre (ND1KO), which specifically deletes Dnmt1 in neurons.Neuronal Dnmt1 deficiency reduced adiposity in chow-fed mice and attenuated obesity in HFD-fed male mice...
November 14, 2017: Endocrinology
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