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Y H M Claassen, H H Hartgrink, J L Dikken, W O de Steur, J W van Sandick, N C T van Grieken, A Cats, A K Trip, E P M Jansen, W M Meershoek-Klein Kranenbarg, J P B M Braak, H Putter, M I van Berge Henegouwen, M Verheij, C J H van de Velde
BACKGROUND: In order to determine the optimal combination of perioperative chemotherapy and chemoradiotherapy for Western patients with advanced resectable gastric cancer, the international multicentre CRITICS trial (ChemoRadiotherapy after Induction chemotherapy In Cancer of the Stomach) was initiated. In this trial, patients with resectable gastric cancer were randomised before start of treatment between adjuvant chemotherapy or adjuvant chemoradiotherapy following neoadjuvant chemotherapy plus gastric cancer resection...
May 2018: European Journal of Surgical Oncology
César Hernández-Guerrero, Alicia Parra-Carriedo, Diana Ruiz-de-Santiago, Oscar Galicia-Castillo, Mario Buenrostro-Jáuregui, Carmen Díaz-Gutiérrez
Background: Genetic polymorphisms of antioxidant enzymes CAT, GPX, and SOD are involved in the etiology of obesity and its principal comorbidities. The aim of the present study was to analyze the effect of aforementioned SNPs over the output of several variables in people with obesity after a nutritional intervention. The study included 92 Mexican women, which received a dietary intervention by 3 months. Participants were genotyped and stratified into two groups: (1) carriers; mutated homozygous plus heterozygous (CR) and (2) homozygous wild type (WT)...
2018: Genes & Nutrition
Yvette H M Claassen, Wobbe O de Steur, Henk H Hartgrink, Johan L Dikken, Johanna W van Sandick, Nicole C T van Grieken, Annemiek Cats, Anouk K Trip, Edwin P M Jansen, Willemina M Meershoek-Klein Kranenbarg, Jeffrey P B M Braak, Hein Putter, Mark I van Berge Henegouwen, Marcel Verheij, Cornelis J H van de Velde
OBJECTIVE: The purpose of this study was to evaluate surgicopathological quality and protocol adherence for lymphadenectomy in the CRITICS trial. SUMMARY OF BACKGROUND DATA: Surgical quality assurance is a key element in multimodal studies for gastric cancer. In the multicenter CRITICS trial (ChemoRadiotherapy after Induction chemotherapy In Cancer of the Stomach), patients with resectable gastric cancer were randomized for preoperative chemotherapy, followed by gastrectomy with a D1+ lymphadenectomy (removal of stations 1 to 9 and 11), followed by either chemotherapy or chemoradiotherapy...
August 16, 2017: Annals of Surgery
César Hernández-Guerrero, Paulina Hernández-Chávez, Inés Romo-Palafox, Grecia Blanco-Melo, Alicia Parra-Carriedo, Ana Pérez-Lizaur
BACKGROUND AND AIMS: Oxidative disturbance is an important factor involved in the etiology of comorbidities associated with obesity. Genetic polymorphisms such as SOD1 -251A>G, SOD2 47 C>T, CAT -21A>T and CAT -262 C>T have been described to alter the activity of antioxidant enzymes. The aim of the present work was to analyze the association of the mentioned SNPs with obesity and their relationship with anthropometric and clinical variables in this group. METHODS: The study included 416 Mexican women (208 normal weight, NW and 208 subjects with obesity, OB)...
July 2016: Archives of Medical Research
J-L Van Laethem, F Carneiro, M Ducreux, H Messman, F Lordick, D H Ilson, W H Allum, K Haustermans, C Lepage, T Matysiak-Budnik, A Cats, W Schmiegel, A Cervantes, E Van Cutsem, Ph Rougier, Th Seufferlein
BACKGROUND AND SCOPE: The management of GOJ cancers remains controversial and may vary between countries. Evidence-based attitudes and guidelines are not easy to elaborate since most of the trials and studies reported mixed cases of oesophageal (both adenocarcinoma and squamous cell tumours), GOJ and gastric cancers. The aim of this expert discussion and position paper is to elaborate practical recommendations that integrate evidence-reported literature and experience-based attitude covering all clinical aspects of GOJ cancer across different specialities and countries in Europe...
November 2016: Digestive and Liver Disease
Didier Meulendijks, Jan Willem B de Groot, Maartje Los, James E Boers, Laurens V Beerepoot, Marco B Polee, Aart Beeker, Johanna E A Portielje, Swan H Goey, Robert S de Jong, Steven A L W Vanhoutvin, Maria Kuiper, Karolina Sikorska, Dick Pluim, Jos H Beijnen, Jan H M Schellens, Cecile Grootscholten, Margot E T Tesselaar, Annemieke Cats
BACKGROUND: The current study was a multicenter, single-arm, phase 2 study performed to investigate the feasibility and efficacy of bevacizumab combined with docetaxel, oxaliplatin, and capecitabine (B-DOC) in patients with advanced human epidermal growth factor receptor 2 (HER2)-negative, previously untreated, gastric or gastroesophageal adenocarcinoma. METHODS: Tumor HER2 status was determined centrally. Patients received 6 cycles of bevacizumab at a dose of 7...
May 1, 2016: Cancer
R Doyle Stulting, Barbara S Fant, William Bond, Ben Chotiner, Daniel Durrie, Michael Gordon, Albert Milauskas, Charles Moore, Stephen Slade, J. Bradley Randleman, Karl Stonecipher
PURPOSE: To evaluate the safety and effectiveness of topography-guided custom ablation treatment (T-CAT) to correct myopia and myopic astigmatism with laser in situ keratomileusis (LASIK). SETTING: Nine clinical sites in the USA. DESIGN: Prospective observational nonrandomized unmasked study. METHODS: The study comprised patients aged 18 to 65 years old with myopia or myopic astigmatism with a manifest refraction spherical equivalent (MRSE) up to -9...
January 2016: Journal of Cataract and Refractive Surgery
Iman Fatemi, Ali Shamsizadeh, Fatemeh Ayoobi, Zahra Taghipour, Mohammad Hossein Sanati, Ali Roohbakhsh, Manijeh Motevalian
The aim of this study was to evaluate the effects of orexin-A (OX-A) on behavioral and pathological parameters and on gene expression of some multiple sclerosis-related peptides in a model of experimental autoimmune encephalomyelitis (EAE). EAE was induced by subcutaneous administration of MOG 35-55. Following immunization, the treatment was initiated by using SB.334867 (orexin-1 receptor antagonist) and/or OX-A. Locomotor activity and exploratory behaviors were monitored using open field and T-maze continuous alternation task (T-CAT) respectively...
February 15, 2016: Journal of Neuroimmunology
Jordi Burés
A graphical analysis to elucidate the order in catalyst is presented. This analysis uses a normalized time scale, t [cat]T (n) , to adjust entire reaction profiles constructed with concentration data. The method is fast and simple to perform because it directly uses the concentration data, therefore avoiding the data handling that is usually required to extract rates. Compared to methods that use rates, the normalized time scale analysis requires fewer experiments and minimizes the effects of experimental errors by using information on the entire reaction profile...
February 5, 2016: Angewandte Chemie
Waldemar Gottardi, Jörg Pfleiderer, Markus Nagl
The bactericidal activity (BA) of antimicrobial agents is generally derived from the results of killing assays. A reliable quantitative characterization and particularly a comparison of these substances, however, are impossible with this information. We here propose a new method that takes into account the course of the complete killing curve for assaying BA and that allows a clear-cut quantitative comparison of antimicrobial agents with only one number. The new Integral Method, based on the reciprocal area below the killing curve, reliably calculates an average BA [log10 CFU/min] and, by implementation of the agent's concentration C, the average specific bactericidal activity SBA=BA/C [log10 CFU/min/mM]...
August 2015: Journal of Microbiological Methods
Stephen Sai Folmsbee, Luisa Morales-Nebreda, Jolanda Van Hengel, Koen Tyberghein, Frans Van Roy, G R Scott Budinger, Paul J Bryce, Cara J Gottardi
Ten to 25% of adult asthma is occupational induced, a subtype caused by exposure to workplace chemicals. A recent genomewide association study identified single-nucleotide polymorphisms in the cardiac protein αT-catenin (αT-cat) that correlated with the incidence and severity of toluene diisocyanate (TDI) occupational asthma. αT-cat is a critical mediator of cell-cell adhesion and is predominantly expressed in cardiomyocytes, but its connection to asthma remains unknown. Therefore, we sought to determine the primary αT-cat-expressing cell type in the lung and its contribution to lung physiology in a murine model of TDI asthma...
February 1, 2015: American Journal of Physiology. Lung Cellular and Molecular Physiology
Piper L Wall, Ohmar Coughlin, Mary Rometti, Sarah Birkholz, Yvonne Gildemaster, Lisa Grulke, Sheryl Sahr, Charisse M Buising
BACKGROUND: Pressure distribution over tourniquet width is a determinant of pressure needed for arterial occlusion. Different width tensioning systems could result in arterial occlusion pressure differences among nonelastic strap designs of equal width. METHODS: Ratcheting Medical Tourniquets (RMTs; m2 inc., http://www.ratcheting with a 1.9 cm-wide (Tactical RMT) or 2.3 cm-wide (Mass Casualty RMT) ladder were directly compared (16 recipients, 16 thighs and 16 upper arms for each tourniquetx2)...
2014: Journal of Special Operations Medicine: a Peer Reviewed Journal for SOF Medical Professionals
Thiago Bruder-Nascimento, Glaucia E Callera, Augusto C Montezano, Ying He, Tayze T Antunes, Aurelie Nguyen Dinh Cat, Rita C Tostes, Rhian M Touyz
Oxidative stress [increased bioavailability of reactive oxygen species (ROS)] plays a role in the endothelial dysfunction and vascular inflammation, which underlie vascular damage in diabetes. Statins are cholesterol-lowering drugs that are vasoprotective in diabetes through unknown mechanisms. We tested the hypothesis that atorvastatin decreases NADPH oxidase (Nox)-derived ROS generation and associated vascular injury in diabetes. Lepr(db)/Lepr(db) (db/db) mice, a model of Type 2 diabetes and control Lepr(db)/Lepr(+) (db/+) mice were administered atorvastatin (10 mg/kg per day, 2 weeks)...
April 2015: Clinical Science (1979-)
Stephanie Anais Castaldo, Alda Pereira da Silva, Andreia Matos, Ângela Inácio, Manuel Bicho, Rui Medeiros, Irina Alho, Maria Clara Bicho
Human papillomavirus (HPV) infection is necessary but not a sufficient cause for the development of invasive cervical cancer (ICC). Epithelial tissues, target for HPV, are exposed to reactive oxygen species (ROS) associated with tumor initiation and progression. The NADPH oxidase (NOX) and catalase (CAT) are involved in hydrogen peroxide (H2O2) production and inactivation, respectively. P22phox is the NOX subunit encoded by the CYBA gene that has a functional polymorphism (C-242T). This protein is involved in the regulation of electron transfer to oxygen...
February 2015: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
Rohit Shetty, Sharon D'Souza, Samaresh Srivastava, R Ashwini
Keratoconus is a progressive ectatic disorder of the cornea which often presents with fluctuating refraction and high irregular astigmatism. Correcting the vision of these patients is often a challenge because glasses are unable to correct the irregular astigmatism and regular contact lenses may not fit them very well. Topography-guided custom ablation treatment (T-CAT) is a procedure of limited ablation of the cornea using excimer laser with the aim of regularizing the cornea, improving the quality of vision and possibly contact lens fit...
August 2013: Indian Journal of Ophthalmology
K B Umesha, K M L Rai, M A Harish Nayaka
Cycloaddition of nitrile imines 4 generated in situ by the catalytic dehydrogenation of diphenyl hydrazones 3 using Chloramine-T (CAT) as oxidant in glacial acetic acid with enolic form of ethyl acetoacetate 5 afforded Ethyl 3-aryl-5-methyl-1-phenyl-1H-pyrazol-4-carboxylate 6 in 80% yield. The said pyrazoles 6 refluxed with 80% hydrazine hydrate using absolute alcohol as solvent for about 2-3 hours to produce the respective 5-methyl-1,3-diphenyl-1H-pyrazole-4-carboxylic acid hydrazide 7. The alcoholic solution of pyrazole acid hydrazides on heating with ethyl acetoacetate 5 to give the 5-methyl-2-(5-methyl-1,3-diphenyl-1H-pyrazole-4-carbonyl)-2,4-dihydro-pyrazol-3-one 8...
December 2009: International Journal of Biomedical Science: IJBS
Prema Padmanabhan, Aishwaryah Radhakrishnan, Abinaya Priya Venkataraman, Nidhi Gupta, Bhaskar Srinivasan
PURPOSE: To compare the outcome of Collagen cross-linking (CXL) with that following topography-guided customized ablation treatment (T-CAT) with simultaneous CXL in eyes with progressive keratoconus. MATERIALS AND METHODS: This was a prospective, non-randomized single centre study of 66 eyes with progressive keratoconus. Of these, 40 eyes underwent CXL and 26 eyes underwent T-CAT + CXL. The refractive, topographic, tomographic and aberrometric changes measured at baseline, 1, 3 and 6 months post-operatively were compared between both groups...
February 2014: Indian Journal of Ophthalmology
Anu Sukhdev, Puttaswamy Puttaswamy
The kinetics of the oxidation of two tricyclic antidepressants (TCA) namely, imipramine (IMP) and clomipramine (CLM) with sodium N-chloro-p-toluenesulfonamide or chloramine-T (CAT) in HClO4 medium was studied at 300 K. The two reactions followed identical kinetics with a first-order dependence of rate on [CAT]o and fractional order dependence on [TCA]o. The reaction is catalyzed by H(+) ions with a fractional order dependence. The reaction was studied at different temperatures and activation parameters were evaluated...
December 2013: SpringerPlus
E K Vialykh, M A Solidolova, O Iu Bushueva, I V Bulgakova, A V Polonikov
Experimental and clinical studies suggest that oxidative stress is an important pathogenetic mechanism of both essential hypertension (EH) and cerebral stroke (CS). In this paper, we investigated, for the first time, the relationship between polymorphisms of two genes for antioxidant defense enzymes such as catalase (CAT) and flavin-containing monooxygenase 3 (FMO3) and the risk of CS in hypertensive patients. DNA samples obtained from 667 unrelated Russian patients with EH (306 patients with CS, and 361 patients without cerebrovascular accidents) were genotyped for polymorphisms -21A>T (rs7943316) of the CAT gene and E158K (rs2266782) of the FMO3 gene...
2012: Zhurnal Nevrologii i Psikhiatrii Imeni S.S. Korsakova
Georgy K Fukin, Evgenii V Baranov, Christian Jelsch, Benoît Guillot, Andrey I Poddel'sky, Vladimir K Cherkasov, Gleb A Abakumov
The experimental distribution of electron density in Ph(3)(4,5-OMe-3,6-Bu(t)-Cat)Sb·MeCN (1*) and Ph(3)(4,5-N(2)C(4)H(6)-3,6-Bu(t)-Cat)Sb·MeOH (2*) complexes was studied. According to atoms in molecules theory, the Sb-C(Ph), Sb-O(catecholate), and Sb···N(O) bonds are intermediate, whereas the O-C and C-C bonds are covalent, respectively. The energy of the Sb···N(MeCN) and Sb···O(MeOH) bonds are 7.0 and 11.3 kcal/mol according to the Espinosa equation. Density functional theory and Hartree-Fock calculations were carried out for a series of catecholate and amidophenolate complexes of antimony(V)...
July 28, 2011: Journal of Physical Chemistry. A
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