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https://www.readbyqxmd.com/read/28324600/light-sheet-fluorescence-microscopy-chemical-clearing-and-labeling-protocols-for-ultramicroscopy
#1
Nina Jährling, Klaus Becker, Saiedeh Saghafi, Hans-Ulrich Dodt
Light-sheet microscopy is an effective technique in neuroscience, developmental biology, and cancer research for visualizing and analyzing cellular networks and whole organs in three dimensions. Because this technique requires specimens to be translucent they commonly have to be cleared before microscopy inspection. Here, we provide 3DISCO based protocols for preparing cleared samples of immuno-stained neural networks, lectin-labeled vascular networks, and Methoxy-X04 labeled beta-amyloid plaques in mice. 3DISCO utilizes the lipophilic solvents tetrahydrofuran (THF) and dibenzylether (DBE) for dehydration and successive clearing...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/28319601/effectiveness-of-double-balloon-enteroscopy-facilitated-polypectomy-in-paediatric-patients-with-peutz-jeghers-syndrome
#2
Dalia Belsha, Arun Urs, Thomas Attard, Mike Thomson
BACKGROUND: Sizable small-bowel (SB) polyps in Peutz-Jeghers syndrome (PJS) pose a high risk for intussusception, often necessitating laparotomy and intraoperative-enteroscopy (IOE). This series examines the effectiveness of double-balloon enteroscopy (DBE) facilitated polypectomy for pediatric patients with PJS. METHODS: Prospective analysis of collected data (6 years) on all patients with PJS referred for DBE-facilitated SB polypectomy at a pediatric tertiary-referral center...
March 17, 2017: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28229609/laparoscopic-treatment-of-hemorrhagic-meckel-diverticulum-after-diagnosis-with-wireless-capsule-endoscopy-and-double-balloon-enteroscopy
#3
Haibo Yu, Hongliang Song, Jing Cai
Meckel diverticulum (MD) is a common small intestinal malformation. The difficulty of MD with hemorrhage treatment lies in preoperative diagnosis. Wireless capsule endoscopy (WCE) and double-balloon enteroscopy (DBE) have been widely used to diagnose and treat diseases of the small intestine, but only rarely have they been used in combination to diagnose and treat bleeding MD. We successfully diagnosed and treated a patient with MD with hemorrhage with a combination of WCE, DBE, and laparoscopy. A 17-year-old man presented to the emergency room with hematochezia and was admitted for testing...
February 23, 2017: Revista Española de Enfermedades Digestivas
https://www.readbyqxmd.com/read/28221030/control-of-grafting-density-and-distribution-in-graft-polymers-by-living-ring-opening-metathesis-copolymerization
#4
Tzu-Pin Lin, Alice B Chang, Hsiang-Yun Chen, Allegra L Liberman-Martin, Christopher M Bates, Matthew J Voegtle, Christina A Bauer, Robert H Grubbs
Control over polymer sequence and architecture is crucial to both understanding structure-property relationships and designing functional materials. In pursuit of these goals, we developed a new synthetic approach that enables facile manipulation of the density and distribution of grafts in polymers via living ring-opening metathesis polymerization (ROMP). Discrete endo,exo-norbornenyl dialkylesters (dimethyl DME, diethyl DEE, di-n-butyl DBE) were strategically designed to copolymerize with a norbornene-functionalized polystyrene (PS), polylactide (PLA), or polydimethylsiloxane (PDMS) macromonomer mediated by the third-generation metathesis catalyst (G3)...
March 3, 2017: Journal of the American Chemical Society
https://www.readbyqxmd.com/read/28216967/assessment-of-multi-modality-evaluations-of-obscure-gastrointestinal-bleeding
#5
Ryan Law, Jithinraj E Varayil, Louis M WongKeeSong, Jeff Fidler, Joel G Fletcher, John Barlow, Jeffrey Alexander, Elizabeth Rajan, Stephanie Hansel, Brenda Becker, Joseph J Larson, Felicity T Enders, David H Bruining, Nayantara Coelho-Prabhu
AIM: To determine the frequency of bleeding source detection in patients with obscure gastrointestinal bleeding (OGIB) who underwent double balloon enteroscopy (DBE) after pre-procedure imaging [multiphase computed tomography enterography (MPCTE), video capsule endoscopy (VCE), or both] and assess the impact of imaging on DBE diagnostic yield. METHODS: Retrospective cohort study using a prospectively maintained database of all adult patients presenting with OGIB who underwent DBE from September 1(st), 2002 to June 30(th), 2013 at a single tertiary center...
January 28, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28191494/specific-characteristics-of-hemorrhagic-meckel-s-diverticulum-at-double-balloon-endoscopy
#6
Yasuyuki Mizutani, Masanao Nakamura, Osamu Watanabe, Takeshi Yamamura, Kohei Funasaka, Eizaburo Ohno, Hiroki Kawashima, Ryoji Miyahara, Alberto Murino, Hidemi Goto, Yoshiki Hirooka
Background and study aims Diagnosis of Meckel's diverticulum (MD) before surgery may be challenging; double-balloon endoscopy (DBE) facilitates identification of MD in the setting of a gastrointestinal bleeding; however, MD can be found incidentally without this condition. The purpose of this research was to determine specific characteristic of hemorrhagic MD and incidental MD at DBE. Patients and methods Ectopic gastric mucosa enclosed in the MD and/or ulceration were defined as "major findings"; ring-like scar surrounding the MD was defined as "minor finding"...
January 2017: Endoscopy International Open
https://www.readbyqxmd.com/read/28189029/disruption-of-thyroxine-and-sex-hormones-by-1-2-dibromo-4-1-2-dibromoethyl-cyclohexane-dbe-dbch-in-american-kestrels-falco-sparverius-and-associations-with-reproductive-and-behavioral-changes
#7
Sarah C Marteinson, Vince Palace, Robert J Letcher, Kim J Fernie
1,2-dibromo-4-(1,2-dibromoethyl)cyclohexane (DBE-DBCH - formerly TBECH) is an emerging brominated flame retardant (BFR) pollutant with androgen potentiating ability and other endocrine disrupting effects in birds and fish. The objectives of this study were to determine the effects of exposure to environmentally-relevant levels of DBE-DBCH on circulating levels of thyroid and sex steroid hormones in American kestrels, and if hormonal concentrations were related to previously reported changes in reproductive success and courtship behaviors...
April 2017: Environmental Research
https://www.readbyqxmd.com/read/28188060/mesenteric-findings-of-ct-enterography-are-well-correlated-with-the-endoscopic-severity-of-crohn-s-disease
#8
Takehiro Sakurai, Tatsuro Katsuno, Keiko Saito, Sayuri Yoshihama, Tomoo Nakagawa, Hirotaka Koseki, Takashi Taida, Hideaki Ishigami, Ken-Ichiro Okimoto, Daisuke Maruoka, Tomoaki Matsumura, Makoto Arai, Osamu Yokosuka
BACKGROUND: Maintenance of mucosal healing is a primary goal when treating Crohn's disease (CD). Endoscopy is the most precise method for the assessment of mucosal healing, but is considered overly invasive for patients with CD. In contrast, CT enterography (CTE) is less invasive, but little is known about the correlation between mucosal status and CTE parameters. METHODS: We recruited CD patients who underwent CTE and double balloon endoscopy (DBE) on the same day at our hospital between 2012 and 2014...
April 2017: European Journal of Radiology
https://www.readbyqxmd.com/read/28161705/endoscopic-characteristics-risk-grade-and-prognostic-prediction-in-gastrointestinal-stromal-tumors-of-the-small-bowel
#9
Arihiro Nakano, Masanao Nakamura, Osamu Watanabe, Takeshi Yamamura, Kohei Funasaka, Eizaburo Ohno, Hiroki Kawashima, Ryoji Miyahara, Hidemi Goto, Yoshiki Hirooka
BACKGROUND/AIMS: Balloon-assisted endoscopy allows us to diagnose gastrointestinal (GI) stromal tumors (GISTs) in the small bowel including endoscopic ultrasonography and taking biopsy. The aim of this study was to retrospectively clarify clinical and endoscopic characteristics of small bowel GISTs using double-balloon endoscopy (DBE). METHODS: We reviewed 25 patients who underwent DBE and were diagnosed with GISTs. The risk of GISTs was stratified using the National Institute of Health (NIH) consensus criteria...
2017: Digestion
https://www.readbyqxmd.com/read/28120694/-i-see-myself-as-a-conductor
#10
(no author information available yet)
North West Healthcare NHS Trust chief executive Dame Jacqueline Docherty has held a variety of posts during a nursing career that has spanned more than 40 years, including theatre sister and executive director of nursing. She was appointed chief executive at West Middlesex University Hospital in 2009, and has been in her current role since April 2015. In 2004, she was awarded a DBE for services to nursing and the NHS.
January 25, 2017: Nursing Standard
https://www.readbyqxmd.com/read/28088359/argentation-chromatography-coupled-to-ultrahigh-resolution-mass-spectrometry-for-the-separation-of-a-heavy-crude-oil
#11
Lilla Molnárné Guricza, Wolfgang Schrader
Simplification of highly complex mixtures such as crude oil by using chromatographic methods makes it possible to get more detailed information about the composition of the analyte. Separation by argentation chromatography can be achieved based on the interaction of different strength between the silver ions (Ag(+)) immobilized through a spacer on the silica gel surface and the π-bonds of the analytes. Heavy crude oils contain compounds with a high number of heteroatoms (N, O, S) and a high degree of unsaturation thus making them the perfect analyte for argentation chromatography...
February 10, 2017: Journal of Chromatography. A
https://www.readbyqxmd.com/read/28086951/sodium-glucose-transporter-2-sglt2-inhibition-with-empagliflozin-improves-cardiac-diastolic-function-in-a-female-rodent-model-of-diabetes
#12
Javad Habibi, Annayya R Aroor, James R Sowers, Guanghong Jia, Melvin R Hayden, Mona Garro, Brady Barron, Eric Mayoux, R Scott Rector, Adam Whaley-Connell, Vincent G DeMarco
Obese and diabetic individuals are at increased risk for impairments in diastolic relaxation and heart failure with preserved ejection fraction. The impairments in diastolic relaxation are especially pronounced in obese and diabetic women and predict future cardiovascular disease (CVD) events in this population. Recent clinical data suggest sodium glucose transporter-2 (SGLT2) inhibition reduces CVD events in diabetic individuals, but the mechanisms of this CVD protection are unknown. To determine whether targeting SGLT2 improves diastolic relaxation, we utilized empagliflozin (EMPA) in female db/db mice...
January 13, 2017: Cardiovascular Diabetology
https://www.readbyqxmd.com/read/28076941/double-balloon-endoscopy-in-overt-and-occult-small-bowel-bleeding-results-complications-and-correlation-with-prior-videocapsule-endoscopy-in-a-tertiary-referral-center
#13
Carlijn Hermans, Arnold Stronkhorst, Annemarie Tjhie-Wensing, Jan Kamphuis, Bas van Balkom, Rob Dahlmans, Lennard Gilissen
BACKGROUND/AIMS: Videocapsule endoscopy (VCE) and double-balloon endoscopy (DBE) allow deep exploration in patients with suspected small bowel pathology. VCE is often performed as an initial small bowel examination to explore whether an intervention by DBE is indicated and to determine insertion route. The study aim was to evaluate the correlation between DBE and VCE in patients with obscure or overt bleeding or anemia, as well as intervention frequency, and complications. METHODS: Retrospective observational study...
January 2017: Clinical Endoscopy
https://www.readbyqxmd.com/read/28040503/are-interferential-electrical-stimulation-and-diaphragmatic-breathing-exercises-beneficial-in-children-with-bladder-and-bowel-dysfunction
#14
Vesna D Zivkovic, Ivona Stankovic, Lidija Dimitrijevic, Mirjana Kocic, Hristina Colovic, Marina Vlajkovic, Andjelka Slavkovic, Milica Lazovic
OBJECTIVE: To evaluate the effects of interferential current (IC) stimulation and diaphragmatic breathing exercises (DBEs) in children with bladder and bowel dysfunction. PATIENTS AND METHODS: Seventy-nine children with dysfunctional voiding and chronic constipation who were failures of primary care interventions were included in the prospective clinical study. All the children were checked for their medical history regarding lower urinary tract symptoms and bowel habits...
December 28, 2016: Urology
https://www.readbyqxmd.com/read/28019036/utility-of-newly-developed-short-type-double-balloon-endoscopy-for-endoscopic-retrograde-cholangiography-in-postoperative-patients
#15
Masaaki Shimatani, Mitsuo Tokuhara, Kota Kato, Sachi Miyamoto, Masataka Masuda, Masayuki Sakao, Norimasa Fukata, Hideaki Miyoshi, Tsukasa Ikeura, Makoto Takaoka, Kazuichi Okazaki
BACKGROUND AND AIMS: The utility of conventional short-type DBE (C-short DBE) for pancreatobiliary disease in patients with postoperative anatomy had been widely acknowledged and accepted. However, some technical difficulties yet remained. In an attempt to solve these problems, the new short-type DBE (N-short DBE) was uniquely designed for therapeutic endoscopic retrograde cholangiography (ERC) in postoperative patients. The aim of this study was to evaluate the usefulness of N-short DBE for ERC in postoperative patients...
December 26, 2016: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/27994606/lineage-specific-evolutionary-histories-and-regulation-of-major-starch-metabolism-genes-during-banana-ripening
#16
Cyril Jourda, Céline Cardi, Olivier Gibert, Andrès Giraldo Toro, Julien Ricci, Didier Mbéguié-A-Mbéguié, Nabila Yahiaoui
Starch is the most widespread and abundant storage carbohydrate in plants. It is also a major feature of cultivated bananas as it accumulates to large amounts during banana fruit development before almost complete conversion to soluble sugars during ripening. Little is known about the structure of major gene families involved in banana starch metabolism and their evolution compared to other species. To identify genes involved in banana starch metabolism and investigate their evolutionary history, we analyzed six gene families playing a crucial role in plant starch biosynthesis and degradation: the ADP-glucose pyrophosphorylases (AGPases), starch synthases (SS), starch branching enzymes (SBE), debranching enzymes (DBE), α-amylases (AMY) and β-amylases (BAM)...
2016: Frontiers in Plant Science
https://www.readbyqxmd.com/read/27908511/double-balloon-enteroscopy
#17
REVIEW
Andrea May
Since the introduction of double-balloon enteroscopy 15 years ago, flexible enteroscopy has become an established method in the diagnostic and therapeutic work-up of small bowel disorders. With appropriate patient selection, diagnostic and therapeutic yields of 70% to 85% can be expected. The complication rates with diagnostic and therapeutic DBE are estimated at approximately 1% and 3% to 4%, respectively. Appropriate patient selection and device selection, as well as skill, are the key issues for successful enteroscopy...
January 2017: Gastrointestinal Endoscopy Clinics of North America
https://www.readbyqxmd.com/read/27833391/systematic-review-safety-of-balloon-assisted-enteroscopy-in-crohn-s-disease
#18
Ahilan Arulanandan, Parambir S Dulai, Siddharth Singh, William J Sandborn, Denise Kalmaz
AIM: To determine the overall and comparative risk of procedure related perforation of balloon assisted enteroscopy (BAE) in Crohn's disease (CD). METHODS: Systematic review (PROSPERO #CRD42015016381) of studies reporting on CD patients undergoing BAE. Seventy-three studies reporting on 1812 patients undergoing 2340 BAEs were included. Primary outcome of interest was the overall and comparative risk of procedure related perforation of diagnostic BAE in CD. Secondary outcomes of interest were risk of procedure related perforation of diagnostic double balloon enteroscopy (DBE), risk of procedure related perforation of therapeutic BAE, efficacy of stricture dilation, and clinical utility of endoscopically assessing small bowel disease activity...
October 28, 2016: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/27802018/self-assembled-and-cross-linked-animal-and-plant-based-polysaccharides-chitosan-cellulose-composites-and-their-anion-uptake-properties
#19
Inimfon A Udoetok, Lee D Wilson, John V Headley
Self-assembled and cross-linked chitosan/cellulose glutaraldehyde composite materials (CGC) were prepared with enhanced surface area and variable morphology. FTIR, CHN, and (13)C solid state NMR studies provided support for the cross-linking reaction between the amine groups of chitosan and glutaraldehyde; whereas, XRD and TGA studies provided evidence of cellulose-chitosan interactions for the composites. SEM, equilibrium swelling, and nitrogen adsorption studies corroborate the enhanced surface area and variable morphology of the cross-linked biopolymers...
December 7, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27785314/safety-of-deep-enteroscopy-and-capsule-endoscopy-in-lvad-patients-case-report-and-literature-review
#20
Wilson Tak-Yu Kwong, Michelle Pearlman, Denise Kalmaz
Patients with a left ventricular assist device (LVAD) have increased risk of gastrointestinal (GI) bleeding. They are prone to develop angiodysplasia of the small intestine, and have a higher risk of bleeding as these patients are all required to be on permanent therapeutic anticoagulation. Here we report a case of a critically ill 55-year-old male on pressors and inotropes with an LVAD, who successfully underwent an antegrade double balloon enteroscopy (DBE).
December 2015: Gastroenterology Research
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