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A Pérez-Mendoza, Á M Zárate-Guzmán, E S Galvis García, S Sobrino Cossío, J Djamus Birch
INTRODUCTION AND AIMS: Gastric cancer is one of the main causes of cancer worldwide, but there is currently no global screening strategy for the disease. Endoscopy is the screening method of choice in some Asian countries, but no standardized technique has been recognized. Systematic alphanumeric-coded endoscopy can increase gastric lesion detection. The aim of the present article was to compare the usefulness of systematic alphanumeric-coded endoscopy with conventional endoscopy for the detection of premalignant lesions and early gastric cancer in subjects at average risk for gastric cancer...
March 8, 2018: Revista de Gastroenterología de México
Phillip Herring
It is often said that the quality of the parking experience at a hospital or other healthcare facility makes one of the most lasting impressions on visitors. HEJ editor, Jonathan Baillie, spoke to Phillip Herring, managing director at Indigo, the UK arm of one of Europe's leading 'bespoke parking solution' providers, to discover how, harnessing first-class customer service, the latest technology, and the ability to offer anything from simple car park management to 30-year Design Build Finance Operate (DBFO) packages, the company is looking to extend a UK healthcare parking contract portfolio which already sees it work with 11 NHS Trusts across England, Scotland, and Wales...
May 2017: Health Estate
Ryo Ogawa, Jun Nishikawa, Eizaburo Hideura, Atsushi Goto, Yurika Koto, Shunsuke Ito, Madoka Unno, Yuko Yamaoka, Ryo Kawasato, Shinichi Hashimoto, Takeshi Okamoto, Hiroyuki Ogihara, Yoshihiko Hamamoto, Isao Sakaida
PURPOSE: The utility of chromoendoscopy for early gastric cancer (GC) was determined by machine learning using data of color differences. METHODS: Eighteen histopathologically confirmed early GC lesions were examined. We prepared images from white light endoscopy (WL), indigo carmine (Indigo), and acetic acid-indigo carmine chromoendoscopy (AIM). A border between cancerous and non-cancerous areas on endoscopic images was established from post-treatment pathological findings, and 2000 pixels with equivalent luminance values were randomly extracted from each image of cancerous and non-cancerous areas...
March 5, 2018: Journal of Gastrointestinal Cancer
Jonathan T Sockolosky, Eleonora Trotta, Giulia Parisi, Lora Picton, Leon L Su, Alan C Le, Akanksha Chhabra, Stephanie L Silveria, Benson M George, Indigo C King, Matthew R Tiffany, Kevin Jude, Leah V Sibener, David Baker, Judith A Shizuru, Antoni Ribas, Jeffrey A Bluestone, K Christopher Garcia
Interleukin-2 (IL-2) is a cytokine required for effector T cell expansion, survival, and function, especially for engineered T cells in adoptive cell immunotherapy, but its pleiotropy leads to simultaneous stimulation and suppression of immune responses as well as systemic toxicity, limiting its therapeutic use. We engineered IL-2 cytokine-receptor orthogonal ( ortho ) pairs that interact with one another, transmitting native IL-2 signals, but do not interact with their natural cytokine and receptor counterparts...
March 2, 2018: Science
Sabine Fräbel, Bastian Wagner, Markus Krischke, Volker Schmidts, Christina M Thiele, Agata Staniek, Heribert Warzecha
Plants are versatile chemists producing a tremendous variety of specialized compounds. Here, we describe the engineering of entirely novel metabolic pathways in planta enabling generation of halogenated indigo precursors as non-natural plant products. Indican (indolyl-β-d-glucopyranoside) is a secondary metabolite characteristic of a number of dyers plants. Its deglucosylation and subsequent oxidative dimerization leads to the blue dye, indigo. Halogenated indican derivatives are commonly used as detection reagents in histochemical and molecular biology applications; their production, however, relies largely on chemical synthesis...
February 18, 2018: Metabolic Engineering
Kikue Hirota, Masatoshi Nishita, Zhihao Tu, Hidetoshi Matsuyama, Isao Yumoto
The indigo-reducing, facultatively anaerobic and obligately alkaliphilic strains Bf-1T , Bf-2 and Bf-4 were isolated from an indigo fermentation liquor used for dyeing, which uses sukumo [composted Polygonum indigo (Polygonum tinctorium Lour.) leaves] as a basic ingredient and was obtained from a craft centre in Date City, Hokkaido, Japan. The 16S rRNA gene sequence analyses indicated that the closest neighbours of strain Bf-1T are Bacillus maritimus DSM 100413T (98.3 % 16S rRNA gene sequence similarity), Bacillus persicus DSM 25386T (98...
February 16, 2018: International Journal of Systematic and Evolutionary Microbiology
Takashi Nagahama, Kenshi Yao, Noriya Uedo, Hisashi Doyama, Tetsuya Ueo, Kunihisa Uchita, Hideki Ishikawa, Takashi Kanesaka, Yasuhito Takeda, Kurato Wada, Kentaro Imamura, Hisatomi Arima, Toshio Shimokawa
BACKGROUND: Accurate delineation of tumor margins is necessary for curative resection of early gastric cancer (EGC). The objective of this multicenter, randomized, controlled study was to compare the accuracy with which magnifying narrow-band imaging (M-NBI) and indigo carmine chromoendoscopy delineate EGC margins. METHODS: Patients with EGC ≥ 10 mm undergoing endoscopic or surgical resection were enrolled. The oral-side margins of the lesions were first evaluated with conventional white-light endoscopy in both groups and then delineated by either chromoendoscopy or M-NBI...
February 13, 2018: Endoscopy
Olga Otłowska, Marek Ślebioda, Agata Kot-Wasik, Jakub Karczewski, Magdalena Śliwka-Kaszyńska
A multi-tool analytical practice was used for the characterisation of a 16th century carpet manufactured in Cairo. A mild extraction method with hydrofluoric acid has been evaluated in order to isolate intact flavonoids and their glycosides, anthraquinones, tannins, and indigoids from fibre samples. High-performance liquid chromatography coupled to spectroscopic and mass spectrometric detectors was used for the identification of possible marker compounds with special attention paid to natural dyes present in the historical samples...
February 6, 2018: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
Takashi Hisabe, Sumio Tsuda, Toshio Hoashi, Hiroshi Ishihara, Kazutomo Yamasaki, Tatsuhisa Yasaka, Fumihito Hirai, Toshiyuki Matsui, Kenshi Yao, Hiroshi Tanabe, Akinori Iwashita
Background and study aims:  The non-extension sign relates to a localized increase in thickness and rigidity due to deep submucosal invasive (SM-d: depth of 1000 μm or more) cancer. The present study aimed to evaluate the efficacy of the non-extension sign in assessing the optical diagnosis of colorectal SM-d cancer. Patients and methods:  We retrospectively analyzed 309 patients with 315 early colorectal cancers that had been endoscopically or surgically resected...
February 2018: Endoscopy International Open
Jamballi Gangadharappa Gowda Manjunatha
The electrochemical behavior of indigo carmine (IC) at poly (glycine) modified carbon paste electrode (PGMCPE) was investigated by cyclic and differential pulse voltammetry. The oxidation peak of IC was observed in phosphate buffer of pH 6.5. The influence of different pH, scan rate, and concentration were analyzed. The probable reaction mechanism involved in the oxidation of IC was also proposed. Results showed that PGMCPE a remarkable electrocatalytic activity for the oxidation of IC under optimal conditions...
January 2018: Journal of Food and Drug Analysis
Su Jung Han, Yunho Jung, Young Sin Cho, Il-Kwun Chung, Jae Yun Kim, Jun Young Eun, Seoung Ho Lee, Gyu Bong Ko, Tae Hoon Lee, Sang Hum Park, Hyun Deuk Cho, Sun-Joo Kim
BACKGROUND/AIMS: Submucosal injection with indigo carmine mixed solution can improve the delineation of colorectal neoplasia during endoscopic mucosal resection (EMR). Thus, the aim of this study was to evaluate the efficacy of submucosal injection with indigo carmine mixed solution during EMR of colorectal neoplasia. METHODS: This was a prospective, randomized, controlled study of a total of 212 neoplastic colon polyps (5-20 mm) subjected to EMR in a single tertiary university hospital...
January 30, 2018: Digestive Diseases and Sciences
Eisuke Dohi, Eric Y Choi, Indigo V L Rose, Akiho S Murata, Sharon Chow, Minae Niwa, Shin-Ichi Kano
Interleukin (IL)-33 is a member of the IL-1 family of cytokines. IL-33 is expressed in nuclei and secreted as alarmin upon cellular damage to deliver a danger signal to the surrounding cells. Previous studies showed that IL-33 is expressed in the brain and that it is involved in neuroinflammatory and neurodegenerative processes in both humans and rodents. Nevertheless, the role of IL-33 in physiological brain function and behavior remains unclear. Here, we have investigated the behaviors of mice lacking IL-33 (Il33-/- mice)...
November 2017: ENeuro
Daniel Robles-García, Humberto Suzán-Azpiri, Adriana Montoya-Esquivel, Jesús García-Jiménez, Edgardo Ulises Esquivel-Naranjo, Elhadi Yahia, Fidel Landeros-Jaime
BACKGROUND: Fungi have multiple uses in temperate areas of México, but an important decrease in the traditional knowledge of uses and customs of mushrooms becomes a fundamental issue for fungi conservation. However, only few studies quantify the traditional ethnomycological knowledge in México, and this study is the first quantitative report for Querétaro, a central state with both Otomí and Mestizo communities and a high fungi diversity. METHODS: The present study was conducted registering traditional knowledge on the use and consumption of mushrooms in three Hñähñu (Otomí) communities (Tesquedó, Xajay, and Tenasdá) in Amealco de Bonfil, Querétaro, México, between August 2013 and November 2014...
January 26, 2018: Journal of Ethnobiology and Ethnomedicine
Jun Li, Xuebin Li, Kunquan Li, Tao Tao
The results show that ozone concentration determination using ultraviolet spectrophotometry (UV-2450) at 258 nm is easier than using indigo method at 600 nm. A strong linear relationship was found between purge time and O3 concentration in deionized water. Ozone concentration can be predicted in deionized water. A higher O3 flow rate or lower temperature led to a higher O3 concentration. Ozone concentration was stable in 60 min, so that ozone self-decomposition could be ignored at ozone concentrations below 0...
January 24, 2018: Environmental Science and Pollution Research International
Zhiyuan Jia, Issa Sukker, Mareike Müller, Holger Schönherr
This work reports on a new approach to rapidly and selectively detect and discriminate enzymes of pathogenic from those of non-pathogenic bacteria using a patterned autonomously reporting hydrogel on a transparent support, in which the selectivity has been encoded by pattern shape to enable facile detection by a color change at one single wavelength. In particular, enzyme-responsive chitosan hydrogel layers that report the presence of the enzymes β-glucuronidase (β-Gus) and β-galactosidase (β-Gal), produced by the non-virulent Escherichia coli K12 (E...
January 18, 2018: ACS Applied Materials & Interfaces
Tammy M Hsu, Ditte H Welner, Zachary N Russ, Bernardo Cervantes, Ramya L Prathuri, Paul D Adams, John E Dueber
Indigo is an ancient dye uniquely capable of producing the signature tones in blue denim; however, the dyeing process requires chemical steps that are environmentally damaging. We describe a sustainable dyeing strategy that not only circumvents the use of toxic reagents for indigo chemical synthesis but also removes the need for a reducing agent for dye solubilization. This strategy utilizes a glucose moiety as a biochemical protecting group to stabilize the reactive indigo precursor indoxyl to form indican, preventing spontaneous oxidation to crystalline indigo during microbial fermentation...
January 8, 2018: Nature Chemical Biology
David B Bayne, Manint Usawachintachit, Thomas Chi
OBJECTIVE: To describe our ultrasound technique for confirming intraoperative, antegrade-placed ureteral stent position during laparoscopic pyeloplasty. BACKGROUND: Disadvantages of retrograde stent placement include the need to reposition the patient into and out of the lithotomy position. Antegrade stent placement can reduce procedure time but requires confirming appropriate distal placement into the bladder with cystoscopy, percutaneous drain placement, or instillation of methylthioninium chloride or indigo carmine...
January 2, 2018: Urology
Dmitri V Konarev, Leokadiya V Zorina, Salavat S Khasanov, Alexander F Shestakov, Alexey M Fatalov, Akihiro Otsuka, Hideki Yamochi, Hiroshi Kitagawa, Rimma N Lyubovskaya
A diamagnetic complex, {(cis-indigo-N,N)2-(Cp*IrIII)} (1), in which deprotonated cis-indigo dianions coordinate an iridium center through two nitrogen atoms was obtained. By employment of the ability of the iridium center in 1 to coordinate an additional ligand, the complex [(Bu4N+)2{[SnII(Pc•3-)](cis-indigo-N,N)2-Cp*IrIII}•-2·0.5(H2Indigo)·2.5C6H4Cl2 (2), which has two functional ligands coordinating an IrIII center, was obtained. This complex has a magnetic moment of 1.71 μB at 300 K, in accordance with an S = 1/2 spin state...
December 26, 2017: Inorganic Chemistry
Patrícia B Deroco, Roberta A Medeiros, Romeu C Rocha-Filho, Orlando Fatibello-Filho
A novel, unique electroanalytical method was developed for the simultaneous quantification of the dyes indigo carmine (IC) and allura red (AR) in candies by coupling flow injection analysis and multiple pulse amperometry with a cathodically pretreated boron-doped diamond electrode, using 0.30 mol L-1 H2SO4 as supporting electrolyte. A dual-potential waveform was employed, causing the electrooxidation of either IC solely or IC and AR simultaneously. Thence, subtraction of current signals was used to quantify IC and AR in the concentration ranges of 70...
May 1, 2018: Food Chemistry
Liping Chen, Chunhui Huang, Jieyi Shentu, Minjun Wang, Sicheng Yan, Fei Zhou, Zaijun Zhang, Chuang Wang, Yifan Han, Qinwen Wang, Wei Cui
Indirubins are natural occurring alkaloids extracted from indigo dye-containing plants. Indirubins could inhibit various kinases, and might be used to treat chronic myelocytic leukemia, cancer and neurodegenerative disorders. 7-bromoindirubin-3-oxime (7Bio), an indirubin derivative derived from indirubin-3-oxime, possesses inhibitory effects against cyclin-dependent kinase-5 (CDK5) and glycogen synthase kinase-3β (GSK3β), two pharmacological targets of Alzheimer's disease (AD). In this study, we have discovered that 2...
2017: Frontiers in Molecular Neuroscience
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