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https://www.readbyqxmd.com/read/28320386/delayed-gastric-emptying-following-pancreatoduodenectomy-with-alimentary-reconstruction-according-to-roux-en-y-or-billroth-ii
#1
Tim R Glowka, Markus Webler, Hanno Matthaei, Nico Schäfer, Volker Schmitz, Jörg C Kalff, Jens Standop, Steffen Manekeller
BACKGROUND: Delayed gastric emptying (DGE) remains the most frequent complication following pancreatoduodenectomy (PD) with published incidences as high as 61%. The present study investigates the impact of bowel reconstruction techniques on DGE following classic PD (Whipple-Kausch procedure) with pancreatogastrostomy (PG). METHODS: We included 168 consecutive patients who underwent PD with PG with either Billroth II type (BII, n = 78) or Roux-en-Y type reconstruction (ReY, n = 90) between 2004 and 2015...
March 20, 2017: BMC Surgery
https://www.readbyqxmd.com/read/28294471/ultra-brief-behavioral-skills-trainings-for-blood-injection-injury-phobia
#2
Alicia E Meuret, Erica Simon, Lavanya Bhaskara, Thomas Ritz
BACKGROUND: Blood injection injury (BII) phobia is common, with debilitating consequences to the health and well being of many of its sufferers. BII phobia presents with a unique fear response that can involve drops in blood pressure and ultimately fainting. The aim of this study was to provide proof of concept for a line of brief, easy to implement, video-based interventions for reducing phobic avoidance and fears in BII sufferers. One of the interventions was a novel Hypoventilation Respiratory Training (HRT) aimed at reducing the exaggerated ventilation response (hyperventilation) seen in BII phobia...
March 15, 2017: Depression and Anxiety
https://www.readbyqxmd.com/read/28294314/generation-of-precursor-immature-and-mature-murine-b1-cell-lines-from-c-myc-bcl-xl-overexpressing-pre-bi-cells
#3
Inge Wolf, Corinne Bouquet, Friederike Naumann, Fritz Melchers
Deregulated expression of c-myc and bcl-xL is long known to generate transformed B cells in humans and mice. We overexpressed these genes to induce in vitro and in vivo differentiation of fetal liver-derived mouse pre-BI cells to B1-lineage pre-BII-like, immature and mature B-cell lines and to Ig-secreting cells. In vitro, doxycycline-controlled c-myc/bcl-xL-overexpressing CD19(+) CD93(+) c-kikt(+) IgM(-) pre-BI cells differentiate to and survive as CD19(+) CD93(+) c-kit(-) IgM(+) immature B1 cells. Timed CpG-stimulation of these oncogene-overexpressing pre-B or immature B1 cells generates either CD19(+) CD93(low) c-kit(-) IgM(-) SLC(-) pre-BII-like, or IgM(+) MHCII(+) CD73(+) CD80(+) CD40(+) mature B1-cell lines and IgM-secreting B1 cells in vitro and fixes their state of differentiation...
March 10, 2017: European Journal of Immunology
https://www.readbyqxmd.com/read/28163716/billroth-ii-with-braun-enteroenterostomy-is-a-good-alternative-reconstruction-to-roux-en-y-gastrojejunostomy-in-laparoscopic-distal-gastrectomy
#4
Long-Hai Cui, Sang-Yong Son, Ho-Jung Shin, Cheulsu Byun, Hoon Hur, Sang-Uk Han, Yong Kwan Cho
Background. Although Billroth II (BII) reconstruction is simpler and faster than Billroth I or Roux-en-Y (RY) reconstruction in patients undergoing totally laparoscopic distal gastrectomy (TLDG), BII reconstruction is associated with several complications, including more severe bile reflux. BII Braun anastomosis may be a better alternative to RY reconstruction. Methods. This retrospective study included 56 consecutive patients who underwent TLDG for gastric cancer, followed by BII Braun or RY reconstruction, between January 2013 and December 2015...
2017: Gastroenterology Research and Practice
https://www.readbyqxmd.com/read/28066706/initial-and-sustained-brain-responses-to-threat-anticipation-in-blood-injection-injury-phobia
#5
Leonie Brinkmann, Hendrik Poller, Martin J Herrmann, Wolfgang Miltner, Thomas Straube
Blood-injection-injury (BII) phobia differs from other subtypes of specific phobia in that it is associated with elevated disgust-sensitivity as well as specific autonomic and brain responses during processing of phobia-relevant stimuli. To what extent these features play a role already during threat anticipation is unclear. In the current fMRI experiment, 16 female BII phobics and 16 female healthy controls anticipated the presentation of phobia-specific and neutral pictures. On the behavioral level, anxiety dominated the anticipatory period in BII phobics relative to controls, while both anxiety and disgust were elevated during picture presentation...
2017: NeuroImage: Clinical
https://www.readbyqxmd.com/read/28059516/influence-of-bii-backbone-substates-on-dna-twist-a-unified-view-and-comparison-of-simulation-and-experiment-for-all-136-distinct-tetranucleotide-sequences
#6
Marie Zgarbová, Petr Jurečka, Filip Lankaš, Thomas E Cheatham, Jiří Šponer, Michal Otyepka
Reliable representation of the B-DNA base-pair step twist is one of the crucial requirements for theoretical modeling of DNA supercoiling and other biologically relevant phenomena in B-DNA. It has long been suspected that the twist is inaccurately described by current empirical force fields. Unfortunately, comparison of simulation results with experiments is not straightforward because of the presence of BII backbone substates, whose populations may differ in experimental and simulation ensembles. In this work, we provide a comprehensive view of the effect of BII substates on the overall B-DNA helix twist and show how to reliably compare twist values from experiment and simulation in two scenarios...
January 20, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28000507/peptaibol-profiles-of-iranian-trichoderma-isolates
#7
Parisa Rahimi Tamandegani, Doustmorad Zafari, Tamás Marik, András Szekeres, Csaba Vágvölgyi, László Kredics
Five Iranian Trichoderma isolates from species T. viride, T. viridescens, T. asperellum, T. longibrachiatum and T. citrinoviride - selected from the Fungal Collection of the Bu Ali Sina University, Hamedan, Iran - were investigated for their peptaibol production. All examined isolates showed remarkable antibacterial activities during the screening of their extracts for peptaibol content with a Micrococcus luteus test culture. HPLC-ESI-IT MS was used for identification and elucidation of the amino acid sequences of peptaibols...
December 2016: Acta Biologica Hungarica
https://www.readbyqxmd.com/read/27976883/biasing-simulations-of-dna-base-pair-parameters-with-application-to-propellor-twisting-in-at-at-aa-tt-and-ac-gt-steps-and-their-uracil-analogs
#8
Alfredo Peguero-Tejada, Arjan van der Vaart
An accurate and efficient implementation of the six DNA base pair parameters as order parameters for enhanced sampling simulations is presented. The parameter definitions are defined by vector algebra operations on a reduced atomic set of the base pair, and correlate very well with standard definitions. Application of the model is illustrated by umbrella sampling simulations of propeller twisting within AT/AT, AA/TT, and AC/GT steps and their uracil analogs. Strong correlations are found between propeller twisting and a number of conformational parameters, including buckle, opening, BI/BII backbone configuration, and sugar puckering...
December 23, 2016: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/27935717/the-role-of-unconventional-hydrogen-bonds-in-determining-bii-propensities-in-b-dna
#9
Alexandra Balaceanu, Marco Pasi, Pablo D Dans, Adam Hospital, Richard Lavery, Modesto Orozco
An accurate understanding of DNA backbone transitions is likely to be the key for elucidating the puzzle of the intricate sequence-dependent mechanical properties that govern most of the biologically relevant functions of the double helix. One factor believed to be important in indirect recognition within protein-DNA complexes is the combined effect of two DNA backbone torsions (ε and ζ) which give rise to the well-known BI/BII conformational equilibrium. In this work we explain the sequence-dependent BII propensity observed in RpY steps (R = purine; Y = pyrimidine) at the tetranucleotide level with the help of a previously undetected C-H···O contact between atoms belonging to adjacent bases...
December 9, 2016: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/27903746/intestinal-glycolysis-visualized-by-fdg-pet-ct-correlates-with-glucose-decrement-after-gastrectomy
#10
Cheol Ryong Ku, Narae Lee, Jae Won Hong, In Gyu Kwon, Woo Jin Hyung, Sung Hoon Noh, Eun Jig Lee, Mijin Yun, Arthur Cho
Gastrectomy method is known to influence glucose homeostasis. (18)F-fluorodeoxyglucose (FDG) PET/CT acquired after gastrectomy often reveals newly developed physiologic small bowel uptake. We correlated newly developed small bowel FDG uptake and glucose homeostasis in post-gastrectomy gastric cancer patients. We retrospectively analyzed 239 non-diabetic patients who underwent staging and follow-up FDG PET/CT before and after gastrectomy for gastric cancer. Post-operative small bowel glycolysis was quantified by recording intestinal total lesion glycolysis (TLG)...
November 30, 2016: Diabetes
https://www.readbyqxmd.com/read/27899586/r-loopdb-a-database-for-r-loop-forming-sequences-rlfs-and-r-loops
#11
Piroon Jenjaroenpun, Thidathip Wongsurawat, Sawannee Sutheeworapong, Vladimir A Kuznetsov
R-loopDB (http://rloop.bii.a-star.edu.sg) was originally constructed as a collection of computationally predicted R-loop forming sequences (RLFSs) in the human genic regions. The renewed R-loopDB provides updates, improvements and new options, including access to recent experimental data. It includes genome-scale prediction of RLFSs for humans, six other animals and yeast. Using the extended quantitative model of RLFSs (QmRLFS), we significantly increased the number of RLFSs predicted in the human genes and identified RLFSs in other organism genomes...
January 4, 2017: Nucleic Acids Research
https://www.readbyqxmd.com/read/27894340/xhmmer3x2-utilizing-hmmer3-s-speed-and-hmmer2-s-sensitivity-and-specificity-in-the-glocal-alignment-mode-for-improved-large-scale-protein-domain-annotation
#12
Choon-Kong Yap, Birgit Eisenhaber, Frank Eisenhaber, Wing-Cheong Wong
BACKGROUND: While the local-mode HMMER3 is notable for its massive speed improvement, the slower glocal-mode HMMER2 is more exact for domain annotation by enforcing full domain-to-sequence alignments. Since a unit of domain necessarily implies a unit of function, local-mode HMMER3 alone remains insufficient for precise function annotation tasks. In addition, the incomparable E-values for the same domain model by different HMMER builds create difficulty when checking for domain annotation consistency on a large-scale basis...
November 29, 2016: Biology Direct
https://www.readbyqxmd.com/read/27894185/endoscopic-retrograde-cholangiopancreatography-in-post-gastrectomy-patients
#13
REVIEW
Chang-Hwan Park
Endoscopic retrograde cholangiopancreatography (ERCP) in post-gastrectomy patients with Billroth II (BII) reconstruction and Roux-en-Y (RY) reconstruction presents a challenge to therapeutic endoscopists. Major difficulties, including intubation to the ampulla of Vater, selective cannulation, and ampullary intervention, must be overcome in these patients. Recent data have shown that device-assisted ERCP allows for high success rates in these patients because various devices are useful for overcoming major difficulties...
November 2016: Clinical Endoscopy
https://www.readbyqxmd.com/read/27804178/the-influence-of-initial-alveolar-ridge-defect-morphology-on-the-outcome-of-implants-in-augmented-atrophic-posterior-mandible-an-exploratory-retrospective-study
#14
Arash Khojasteh, Saeed Reza Motamedian, Navid Sharifzadeh, Homayoun H Zadeh
OBJECTIVES: Clinicians commonly consider atrophic site topography as an important determinant in deciding the augmentation technique to utilize, as well as forecasting the likelihood of success. The purpose of this retrospective study was to examine the influence of initial atrophic posterior mandible morphology on the outcome of implants placed following augmentation. MATERIALS AND METHODS: A total of 52 patients contributed 71 edentulous sites, and 185 implants were placed with mean follow-up of 37...
November 2, 2016: Clinical Oral Implants Research
https://www.readbyqxmd.com/read/27792127/identifying-cancer-driver-genes-using-replication-incompetent-retroviral-vectors
#15
REVIEW
Victor M Bii, Grant D Trobridge
Identifying novel genes that drive tumor metastasis and drug resistance has significant potential to improve patient outcomes. High-throughput sequencing approaches have identified cancer genes, but distinguishing driver genes from passengers remains challenging. Insertional mutagenesis screens using replication-incompetent retroviral vectors have emerged as a powerful tool to identify cancer genes. Unlike replicating retroviruses and transposons, replication-incompetent retroviral vectors lack additional mutagenesis events that can complicate the identification of driver mutations from passenger mutations...
October 25, 2016: Cancers
https://www.readbyqxmd.com/read/27749894/8-oxoguanine-affects-dna-backbone-conformation-in-the-ecori-recognition-site-and-inhibits-its-cleavage-by-the-enzyme
#16
Joanna J Hoppins, David R Gruber, Heather L Miears, Alexey S Kiryutin, Rustem D Kasymov, Darya V Petrova, Anton V Endutkin, Alexander V Popov, Alexandra V Yurkovskaya, Stanislav O Fedechkin, Jacob A Brockerman, Dmitry O Zharkov, Serge L Smirnov
8-oxoguanine is one of the most abundant and impactful oxidative DNA lesions. However, the reasons underlying its effects, especially those not directly explained by the altered base pairing ability, are poorly understood. We report the effect of the lesion on the action of EcoRI, a widely used restriction endonuclease. Introduction of 8-oxoguanine inside, or adjacent to, the GAATTC recognition site embedded within the Drew-Dickerson dodecamer sequence notably reduced the EcoRI activity. Solution NMR revealed that 8-oxoguanine in the DNA duplex causes substantial alterations in the sugar-phosphate backbone conformation, inducing a BI→BII transition...
2016: PloS One
https://www.readbyqxmd.com/read/27634929/topology-independent-comparison-of-rna-3d-structures-using-the-click-algorithm
#17
Minh N Nguyen, Adelene Y L Sim, Yue Wan, M S Madhusudhan, Chandra Verma
RNA molecules are attractive therapeutic targets because non-coding RNA molecules have increasingly been found to play key regulatory roles in the cell. Comparing and classifying RNA 3D structures yields unique insights into RNA evolution and function. With the rapid increase in the number of atomic-resolution RNA structures, it is crucial to have effective tools to classify RNA structures and to investigate them for structural similarities at different resolutions. We previously developed the algorithm CLICK to superimpose a pair of protein 3D structures by clique matching and 3D least squares fitting...
September 14, 2016: Nucleic Acids Research
https://www.readbyqxmd.com/read/27603954/evaluation-of-the-efficacy-acceptability-and-palatability-of-calcium-montmorillonite-clay-used-to-reduce-aflatoxin-b1-dietary-exposure-in-a-crossover-study-in-kenya
#18
Abigael O Awuor, Ellen Yard, Johnni H Daniel, Collen Martin, Christine Bii, Amelia Romoser, Elvis Oyugi, Sarah Elmore, Samwel Amwayi, John Vulule, Nicholas C Zitomer, Michael E Rybak, Timothy D Phillips, Joel M Montgomery, Lauren S Lewis
Acute aflatoxin exposure can cause death and disease (aflatoxicosis) in humans. Aflatoxicosis fatality rates have been documented to be as high as 40% in Kenya. The inclusion in the diet of calcium silicate 100 (ACCS100), a calcium montmorillonite clay, may reduce aflatoxin bioavailability, thus potentially decreasing the risk of aflatoxicosis. We investigated the efficacy, acceptability and palatability of ACCS100 in a population in Kenya with recurring aflatoxicosis outbreaks. Healthy adult participants were enrolled in this double-blinded, crossover clinical trial in 2014...
January 2017: Food Additives & Contaminants. Part A, Chemistry, Analysis, Control, Exposure & Risk Assessment
https://www.readbyqxmd.com/read/27580321/estimated-burden-of-fungal-infections-in-kenya
#19
John Abuga Guto, Christine C Bii, David W Denning
INTRODUCTION: Kenya is a developing country with a high rate of tuberculosis (TB) and a moderate HIV infection burden. No estimate of the burden of fungal diseases in Kenya is published. METHODOLOGY: We used specific populations at risk and fungal infection frequencies from the literature to estimate national incidence or prevalence of serious fungal infections. Used sources were: 2010 WHO TB statistics, Kenya Acquired Immunodeficiency Syndrome (AIDS) Epidemic Update 2012, Kenya Facts and figures 2012, Kenya Demographic and Health Survey 2008-2009...
August 31, 2016: Journal of Infection in Developing Countries
https://www.readbyqxmd.com/read/27555841/phenotypic-and-genetic-heterogeneity-in-vibrio-cholerae-o139-isolated-from-cholera-cases-in-delhi-india-during-2001-2006
#20
Raikamal Ghosh, Naresh C Sharma, Kalpataru Halder, Rupak K Bhadra, Goutam Chowdhury, Gururaja P Pazhani, Sumio Shinoda, Asish K Mukhopadhyay, G Balakrish Nair, Thadavarayan Ramamurthy
Incidence of epidemic Vibrio cholerae serogroup O139 has declined in cholera endemic countries. However, sporadic cholera caused by V. cholerae O139 with notable genetic changes is still reported from many regions. In the present study, 42 V. cholerae O139 strains isolated from 2001 to 2006 in Delhi, India, were retrospectively analyzed to understand their phenotype and molecular characteristics. The majority of isolates were resistant to ampicillin, furazolidone and nalidixic acid. Though the integrative conjugative element was detected in all the O139 isolates, the 2004-2006 isolates remained susceptible to co-trimoxazole, chloramphenicol, and streptomycin...
2016: Frontiers in Microbiology
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