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https://www.readbyqxmd.com/read/28101719/in-patients-with-a-soft-pancreas-a-thick-parenchyma-a-small-duct-and-fatty-infiltration-are-significant-risks-for-pancreatic-fistula-after-pancreaticoduodenectomy
#1
Motokazu Sugimoto, Shinichiro Takahashi, Motohiro Kojima, Tatsushi Kobayashi, Naoto Gotohda, Masaru Konishi
BACKGROUND: This study sought to characterize soft and hard pancreatic textures radiologically and histologically, and to identify specific risks in a soft pancreas associated with postoperative pancreatic fistula (POPF) formation after pancreaticoduodenectomy (PD). METHODS: Consecutive 145 patients who underwent PD at a single institution between January 2010 and May 2013 were studied. Pancreatic consistency was intraoperatively judged as soft or hard. Pancreatic configuration was assessed using preoperative CT...
January 18, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/28095024/pathologic-subtypes-of-ampullary-adenocarcinoma-value-of-ampullary-mdct-for-noninvasive-preoperative-differentiation
#2
Aleksandar M Ivanovic, Francesco Alessandrino, Ruzica Maksimovic, Marjan Micev, Slavenko Ostojic, Richard M Gore, Koenraad J Mortele
OBJECTIVE: The purpose of this study was to evaluate the utility of ampullary MDCT in the noninvasive, preoperative differentiation of pancreatobiliary and intestinal subtypes of ampullary adenocarcinoma. MATERIALS AND METHODS: This retrospective study included 32 patients (20 men, 12 women; age range, 41-81 years) with resected ampullary adenocarcinoma who underwent preoperative contrast-enhanced ampullary MDCT. Two radiologists, blinded to pathologic diagnosis of adenocarcinoma subtype, evaluated the presence of seven MDCT features independently...
January 17, 2017: AJR. American Journal of Roentgenology
https://www.readbyqxmd.com/read/28072819/testing-the-efficacy-of-dna-barcodes-for-identifying-the-vascular-plants-of-canada
#3
Thomas W A Braukmann, Maria L Kuzmina, Jesse Sills, Evgeny V Zakharov, Paul D N Hebert
Their relatively slow rates of molecular evolution, as well as frequent exposure to hybridization and introgression, often make it difficult to discriminate species of vascular plants with the standard barcode markers (rbcL, matK, ITS2). Previous studies have examined these constraints in narrow geographic or taxonomic contexts, but the present investigation expands analysis to consider the performance of these gene regions in discriminating the species in local floras at sites across Canada. To test identification success, we employed a DNA barcode reference library with sequence records for 96% of the 5108 vascular plant species known from Canada, but coverage varied from 94% for rbcL to 60% for ITS2 and 39% for matK...
2017: PloS One
https://www.readbyqxmd.com/read/28057701/a-prospective-10-year-follow-up-dental-cast-study-of-patients-with-obstructive-sleep-apnoea-snoring-who-use-a-mandibular-protruding-device
#4
Anette M C Fransson, Agata Kowalczyk, Göran Isacsson
OBJECTIVES: This 10-year prospective study aimed to measure and evaluate the teeth position and occlusion following 10-year nocturnal use of a mandibular protruding device (MPD) in subjects with obstructive sleep apnoea (OSA) or snoring. MATERIALS AND METHODS: Seventy-seven consecutive patients diagnosed with OSA/snoring were treated with an MPD. Fabrication of dental casts with jaw registration indexes in the intercuspal position was carried out at baseline and at follow-up, a construction bite was made, and an MPD was fitted...
January 5, 2017: European Journal of Orthodontics
https://www.readbyqxmd.com/read/28056760/mpd-multiplex-primer-design-for-next-generation-targeted-sequencing
#5
Thomas S Wingo, Alex Kotlar, David J Cutler
BACKGROUND: Targeted resequencing offers a cost-effective alternative to whole-genome and whole-exome sequencing when investigating regions known to be associated with a trait or disease. There are a number of approaches to targeted resequencing, including microfluidic PCR amplification, which may be enhanced by multiplex PCR. Currently, there is no open-source software that can design next-generation multiplex PCR experiments that ensures primers are unique at a genome-level and efficiently pools compatible primers...
January 5, 2017: BMC Bioinformatics
https://www.readbyqxmd.com/read/28048072/su-f-t-259-gpr-tables-for-the-estimation-of-mid-plane-dose-using-epid
#6
Gopiraj Annamalai, Yoichi Watanabe
PURPOSE: To develop a simple method for estimating the mid-plane dose (MPD) of a patient using Electronic Portal imaging Device (EPID). METHODS: A Varian TrueBeam with aSi100 EPID was used in this study. The EPID images were acquired for a 30 cm × 30 cm homogeneous slab phantom and a 30 cm diameter 20 cm thick cylindrical phantom in the continuous dosimetry mode. The acquired EPID images in XIM format were imported into in-house MATLAB program for the data analysis...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28042814/in-situ-real-time-monitoring-of-glutamate-and-electrophysiology-from-cortex-to-hippocampus-in-mice-based-on-a-microelectrode-array
#7
Xinyi Fan, Yilin Song, Yuanlin Ma, Song Zhang, Guihua Xiao, Lili Yang, Huiren Xu, Dai Zhang, Xinxia Cai
Changes in the structure and function of the hippocampus contribute to epilepsy, schizophrenia and other neurological or mental disorders of the brain. Since the function of the hippocampus depends heavily on the glutamate (Glu) signaling pathways, in situ real-time detection of Glu neurotransmitter release and electrophysiological signals in hippocampus is of great significance. To achieve the dual-mode detection in mouse hippocampus in vivo, a 16-channel implantable microelectrode array (MEA) was fabricated by micro-electromechanical system (MEMS) technology...
December 30, 2016: Sensors
https://www.readbyqxmd.com/read/28032641/relation-of-early-tumor-shrinkage-ets-observed-in-first-line-treatment-to-efficacy-parameters-of-subsequent-treatment-in-fire-3-aiokrk0306
#8
D P Modest, S Stintzing, L Fischer von Weikersthal, T Decker, A Kiani, U Vehling-Kaiser, S-E Al-Batran, T Heintges, C Lerchenmüller, C Kahl, G Seipelt, F Kullmann, W Scheithauer, T Kirchner, A Jung, M Stauch, J C von Einem, M Moehler, S Held, V Heinemann
We explored the association of early tumor shrinkage (ETS) and non-ETS with efficacy of first-line and consecutive second-line treatment in patients with KRAS wild-type metastatic colorectal cancer treated in FIRE-3. Assessment of tumor shrinkage was based on the sum of longest diameters of target lesions, evaluated after six weeks of treatment. Shrinkage was classified as ETS (shrinkage by ≥ 20%), mETS (shrinkage by 0% - <20%), mPD (minor progression >0% - <20%) and PD (progression ≥20%). Overall survival (OS) was 33...
December 29, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/28027749/pancreatic-cancer-in-patients-with-chronic-calcifying-pancreatitis-computed-tomography-findings-a-retrospective-analysis-of-48-patients
#9
Amir Mohamed, Ahmet Ayav, Arthur Belle, Xavier Orry, Jean-Baptiste Chevaux, Valerie Laurent
OBJECTIVE: Chronic calcifying pancreatitis (CCP) is a risk factor for pancreatic cancer (PC). Symptoms of PC are non-specific in patients with CCP, and diagnostic imaging can be difficult. Some studies have shown that diagnosis may take several months, leading to delays in treatment (Lin et al., 2015; Lennon et al., 2014) [2,3]. The aim of this study was to describe the radiological signs of PC in patients with CCP. METHODS: This retrospective, single-center study was conducted between January 2004 and December 2014...
January 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28027421/endoscopic-retrieval-of-an-entrapped-nasopancreatic-drainage-tube
#10
Sho Kitagawa, Keiya Okamura, Daiki Oku
Pancreatic juice cytology using endoscopic nasopancreatic drainage (ENPD) has been reported as an useful method for making diagnosis of early pancreatic carcinoma. (1-3) Here, we present a patient whose nasopancreatic drainage tube was entrapped; nevertheless, the tube was successfully retrieved endoscopically. A 71-year-old man was admitted for investigation of a focal main pancreatic duct (MPD) stricture. This article is protected by copyright. All rights reserved.
December 27, 2016: Digestive Endoscopy: Official Journal of the Japan Gastroenterological Endoscopy Society
https://www.readbyqxmd.com/read/28024207/oriented-growth-of-poly-m-phenylenediamine-on-calotropis-gigantea-fiber-for-rapid-adsorption-of-ciprofloxacin
#11
Enjuan Cao, Wenzhen Duan, Aiqin Wang, Yian Zheng
A facile polymerization of m-phenylenediamine (mPD) in methanol/water (50:50, v/v) was performed via conventional chemical oxidative method by using Calotropis gigantea fiber (CGF) as the natural biotemplate. The as-prepared CGF oriented poly(m-phenylenediamine) (PmPD), i.e. CGF-O-PmPD, exhibits a well defined fiber-oriented morphology. The presence of PmPD layer enables CGF-O-PmPD to present roughen surface with N-rich functional groups that can show high performance for the adsorption of ciprofloxacin. The variables affecting the adsorption capacity were systematically investigated, including contact time, initial concentration, initial pH, ion strength, and so forth...
December 19, 2016: Chemosphere
https://www.readbyqxmd.com/read/27981313/a-case-of-serous-cystadenoma-communicating-with-a-stenotic-santorini-s-duct-and-a-dilated-main-pancreatic-duct
#12
Hiroyuki Matsubayashi, Yurika Oka, Takaaki Ito, Katsuhiko Uesaka, Keiko Sasaki, Hiroyuki Ono
A 59-year-old woman was referred for investigation of a pancreatic cystic lesion. Computed tomography revealed a well-demarcated, multilocular cyst, approximately 4 cm in size, at the pancreas head. Endoscopic ultrasonography demonstrated honeycomb-like components at the cyst margin. The cyst was associated with a widely-dilated upstream main pancreatic duct (MPD). Endoscopic retrograde pancreatography demonstrated a communication between the stenotic Santorini's duct and the cyst. Aspiration cytology from the cyst demonstrated clusters of mucinous epithelial neoplasm cells...
December 2016: Journal of Gastrointestinal and Liver Diseases: JGLD
https://www.readbyqxmd.com/read/27929406/a-thin-film-nanocomposite-membrane-with-mcm-41-silica-nanoparticles-for-brackish-water-purification
#13
Mohammed Kadhom, Jun Yin, Baolin Deng
Thin film nanocomposite (TFN) membranes containing MCM-41 silica nanoparticles (NPs) were synthesized by the interfacial polymerization (IP) process. An m-phenylenediamine (MPD) aqueous solution and an organic phase with trimesoyl chloride (TMC) dissolved in isooctane were used in the IP reaction, occurring on a nanoporous polysulfone (PSU) support layer. Isooctane was introduced as the organic solvent for TMC in this work due to its intermediate boiling point. MCM-41 silica NPs were loaded in MPD and TMC solutions in separate experiments, in a concentration range from 0 to 0...
December 6, 2016: Membranes
https://www.readbyqxmd.com/read/27900729/radical-resection-of-t1-pancreatic-adenocarcinoma-with-a-pseudocyst-of-the-tail-due-to-acute-obstructive-pancreatitis-report-of-a-case
#14
Yuki Fujiwara, Fumitake Suzuki, Masaru Kanehira, Yasuro Futagawa, Tomoyoshi Okamoto, Katsuhiko Yanaga
A 53-year-old male visited his primary physician for epigastric and back pain. Abdominal-enhanced computed tomography (CT) revealed a simple cyst of the pancreatic tail attached to the stomach. A distal main pancreatic duct (MPD) was clearly dilated, but no pancreatic tumor was identified around the stenosis of MPD by CT scan and magnetic resonance cholangiopancreatography (MRCP). Endoscopic retrograde pancreatography (ERP) revealed stenosis and distal dilation of the MPD located between the body and tail of the pancreas...
December 2016: Surgical Case Reports
https://www.readbyqxmd.com/read/27889580/methylphenidate-modulates-dorsal-raphe-neuronal-activity-behavioral-and-neuronal-recordings-from-adolescent-rats
#15
Natasha Kharas, Holly Whitt, Cruz Reyes-Vasquez, Nachum Dafny
Methylphenidate (MPD) is a widely prescribed psychostimulants used for the treatment of attention deficit hyperactive disorder (ADHD). Unlike the psychostimulants cocaine and amphetamine, MPD does not exhibit direct actions on the serotonin transporter, however there is evidence suggesting that the therapeutic effects of MPD may be mediated in part by alterations in serotonin transmission. This study aimed to investigate the role of the dorsal raphe (DR) nucleus, one of the major sources of serotonergic innervation in the mammalian brain, in the response to MPD exposure...
January 2017: Brain Research Bulletin
https://www.readbyqxmd.com/read/27889476/yeast-and-carbon-nanotube-based-biocatalyst-developed-by-synergetic-effects-of-covalent-bonding-and-hydrophobic-interaction-for-performance-enhancement-of-membraneless-microbial-fuel-cell
#16
Marcelinus Christwardana, Yongchai Kwon
Membraneless microbial fuel cell (MFC) employing new microbial catalyst formed as yeast cultivated from Saccharomyces cerevisiae and carbon nanotube (yeast/CNT) is suggested. To analyze its catalytic activity and performance and stability of MFC, several characterizations are performed. According to the characterizations, the catalyst shows excellent catalytic activities by facile transfer of electrons via reactions of NAD, FAD, cytochrome c and cytochrome a3, while it induces high maximum power density (MPD) (344mW·m(-2))...
February 2017: Bioresource Technology
https://www.readbyqxmd.com/read/27867560/should-primary-tumor-be-resected-for-non-small-cell-lung-cancer-with-malignant-pleural-disease-unexpectedly-found-during-operation-a-systemic-review-and-meta-analysis
#17
Yuyang Xu, Nan Chen, Zihuai Wang, Yingyi Zhang, Jiandong Mei, Chengwu Liu, Lunxu Liu
BACKGROUND: Non-small cell lung cancer (NSCLC) with malignant pleural disease (MPD) was considered to be contraindication for surgery, but sometimes MPD was unexpectedly found intraoperatively. There was no consensus on the role of surgical intervention on the primary tumor in patients with MPD. The object of this research was to assess whether exairesis of primary tumor could prolong survival time. METHODS: A systemic research of literature was performed on the databases of PubMed, Embase and Web of Science...
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27853928/d1-and-d2-specific-dopamine-antagonist-modulate-the-caudate-nucleus-neuronal-responses-to-chronic-methylphenidate-exposure
#18
Sidish Venkataraman, Catherine Claussen, Nachum Dafny
The psychostimulant, methylphenidate (MPD), is the first line treatment as a pharmacotherapy to treat behavioral disorders such as attention deficit hyperactivity disorder (ADHD). MPD is commonly misused in non-ADHD (normal) youth and young adults both as a recreational drug and for cognitive enhancing effects to improve their grades. MPD is known to act on the reward circuit; including the caudate nucleus (CN). The CN is comprised of medium spiny neurons containing largely dopamine (DA) D1 and D2 receptors...
November 16, 2016: Journal of Neural Transmission
https://www.readbyqxmd.com/read/27853645/promoter-methylation-of-the-immune-checkpoint-receptor-pd-1-pdcd1-is-an-independent-prognostic-biomarker-for-biochemical-recurrence-free-survival-in-prostate-cancer-patients-following-radical-prostatectomy
#19
Diane Goltz, Heidrun Gevensleben, Jörn Dietrich, Jörg Ellinger, Jennifer Landsberg, Glen Kristiansen, Dimo Dietrich
Biomarkers that facilitate the prediction of disease recurrence in prostate cancer (PCa) may enable physicians to personalize treatment for individual patients. In the current study, PD-1 (PDCD1) promoter methylation was assessed in a cohort of 498 PCa patients included in The Cancer Genome Atlas (TCGA) and a second cohort of 300 PCa cases treated at the University Hospital of Bonn. In the TCGA cohort, the PD-1 promoter was significantly hypermethylated in carcinomas versus normal prostatic epithelium (55.5% vs...
2016: Oncoimmunology
https://www.readbyqxmd.com/read/27853644/vectorization-in-an-oncolytic-vaccinia-virus-of-an-antibody-a-fab-and-a-scfv-against-programmed-cell-death-1-pd-1-allows-their-intratumoral-delivery-and-an-improved-tumor-growth-inhibition
#20
Patricia Kleinpeter, Laetitia Fend, Christine Thioudellet, Michel Geist, Nathalie Sfrontato, Véronique Koerper, Catherine Fahrner, Doris Schmitt, Murielle Gantzer, Christelle Remy-Ziller, Renée Brandely, Dominique Villeval, Karola Rittner, Nathalie Silvestre, Philippe Erbs, Laurence Zitvogel, Eric Quéméneur, Xavier Préville, Jean-Baptiste Marchand
We report here the successful vectorization of a hamster monoclonal IgG (namely J43) recognizing the murine Programmed cell death-1 (mPD-1) in Western Reserve (WR) oncolytic vaccinia virus. Three forms of mPD-1 binders have been inserted into the virus: whole antibody (mAb), Fragment antigen-binding (Fab) or single-chain variable fragment (scFv). MAb, Fab and scFv were produced and assembled with the expected patterns in supernatants of cells infected by the recombinant viruses. The three purified mPD-1 binders were able to block the binding of mPD-1 ligand to mPD-1 in vitro...
2016: Oncoimmunology
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