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https://www.readbyqxmd.com/read/28241499/selectin-ligands-sialyl-lewis-a-and-sialyl-lewis-x-in-gastrointestinal-cancers
#1
REVIEW
Marco Trinchera, Adele Aronica, Fabio Dall'Olio
The tetrasaccharide structures Siaα2,3Galβ1,3(Fucα1,4)GlcNAc and Siaα2,3Galβ1,4(Fucα1,3)GlcNAc constitute the epitopes of the carbohydrate antigens sialyl-Lewis a (sLe(a)) and sialyl-Lewis x (sLe(x)), respectively, and are the minimal requirement for selectin binding to their counter-receptors. Interaction of sLe(x) expressed on the cell surface of leucocytes with E-selectin on endothelial cells allows their arrest and promotes their extravasation. Similarly, the rolling of cancer cells ectopically expressing the selectin ligands on endothelial cells is potentially a crucial step favoring the metastatic process...
February 23, 2017: Biology
https://www.readbyqxmd.com/read/28241484/mrna-quantification-of-nipbl-isoforms-a-and-b-in-adult-and-fetal-human-tissues-and-a-potentially-pathological-variant-affecting-only-isoform-a-in-two-patients-with-cornelia-de-lange-syndrome
#2
Beatriz Puisac, María-Esperanza Teresa-Rodrigo, María Hernández-Marcos, Carolina Baquero-Montoya, María-Concepción Gil-Rodríguez, Torkild Visnes, Christopher Bot, Paulino Gómez-Puertas, Frank J Kaiser, Feliciano J Ramos, Lena Ström, Juan Pié
Cornelia de Lange syndrome (CdLS) is a congenital developmental disorder characterized by craniofacial dysmorphia, growth retardation, limb malformations, and intellectual disability. Approximately 60% of patients with CdLS carry a recognizable pathological variant in the NIPBL gene, of which two isoforms, A and B, have been identified, and which only differ in the C-terminal segment. In this work, we describe the distribution pattern of the isoforms A and B mRNAs in tissues of adult and fetal origin, by qPCR (quantitative polymerase chain reaction)...
February 23, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28241470/pancreatic-exocrine-insufficiency-in-pancreatic-cancer
#3
REVIEW
Miroslav Vujasinovic, Roberto Valente, Marco Del Chiaro, Johan Permert, J-Matthias Löhr
Abstract: Cancer patients experience weight loss for a variety of reasons, commencing with the tumor's metabolism (Warburg effect) and proceeding via cachexia to loss of appetite. In pancreatic cancer, several other factors are involved, including a loss of appetite with a particular aversion to meat and the incapacity of the pancreatic gland to function normally when a tumor is present in the pancreatic head. Pancreatic exocrine insufficiency is characterized by a deficiency of the enzymes secreted from the pancreas due to the obstructive tumor, resulting in maldigestion...
February 23, 2017: Nutrients
https://www.readbyqxmd.com/read/28241420/antiosteoporotic-activity-of-genistein-aglycone-in-postmenopausal-women-evidence-from-a-post-hoc-analysis-of-a-multicenter-randomized-controlled-trial
#4
Vincenzo Arcoraci, Marco Atteritano, Francesco Squadrito, Rosario D'Anna, Herbert Marini, Domenico Santoro, Letteria Minutoli, Sonia Messina, Domenica Altavilla, Alessandra Bitto
Genistein has a preventive role against bone mass loss during menopause. However, experimental data in animal models of osteoporosis suggest an anti-osteoporotic potential for this isoflavone. We performed a post-hoc analysis of a previously published trial investigating the effects of genistein in postmenopausal women with low bone mineral density. The parent study was a randomized, double-blind, placebo-controlled trial involving postmenopausal women with a femoral neck (FN) density <0.795 g/cm². A cohort of the enrolled women was, in fact, identified at the baseline as osteoporotic (n = 121) on the basis of their T-score and analyzed thereafter for the 24 months' treatment with either 1000 mg of calcium and 800 IU vitamin D3 (placebo; n = 59); or calcium, vitamin D3, and Genistein aglycone (54 mg/day; genistein; n = 62)...
February 22, 2017: Nutrients
https://www.readbyqxmd.com/read/28241388/two-centuries-of-masting-data-for-european-beech-and-norway-spruce-across-the-european-continent
#5
Davide Ascoli, Janet Maringer, Andy Hacket-Pain, Marco Conedera, Igor Drobyshev, Renzo Motta, Mara Cirolli, Władysław Kantorowicz, Christian Zang, Silvio Schueler, Luc Croisé, Pietro Piussi, Roberta Berretti, Ciprian Palaghianu, Marjana Westergren, Jonathan G A Lageard, Anton Burkart, Regula Gehrig Bichsel, Peter A Thomas, Burkhard Beudert, Rolf Övergaard, Giorgio Vacchiano
Tree masting is one of the most intensively studied ecological processes. It affects nutrient fluxes of trees, regeneration dynamics in forests, animal population densities, and ultimately influences ecosystem services. Despite a large volume of research focused on masting, its evolutionary ecology, spatial and temporal variability and environmental drivers are still matter of debate. Understanding the proximate and ultimate causes of masting at broad spatial and temporal scales will enable us to predict tree reproductive strategies and their response to changing environment...
February 27, 2017: Ecology
https://www.readbyqxmd.com/read/28241356/testosterone-treatment-and-cognitive-function-in-older-men-with-low-testosterone-and-age-associated-memory-impairment
#6
Susan M Resnick, Alvin M Matsumoto, Alisa J Stephens-Shields, Susan S Ellenberg, Thomas M Gill, Sally A Shumaker, Debbie D Pleasants, Elizabeth Barrett-Connor, Shalender Bhasin, Jane A Cauley, David Cella, Jill P Crandall, Glenn R Cunningham, Kristine E Ensrud, John T Farrar, Cora E Lewis, Mark E Molitch, Marco Pahor, Ronald S Swerdloff, Denise Cifelli, Stephen Anton, Shehzad Basaria, Susan J Diem, Christina Wang, Xiaoling Hou, Peter J Snyder
Importance: Most cognitive functions decline with age. Prior studies suggest that testosterone treatment may improve these functions. Objective: To determine if testosterone treatment compared with placebo is associated with improved verbal memory and other cognitive functions in older men with low testosterone and age-associated memory impairment (AAMI). Design, Setting, and Participants: The Testosterone Trials (TTrials) were 7 trials to assess the efficacy of testosterone treatment in older men with low testosterone levels...
February 21, 2017: JAMA: the Journal of the American Medical Association
https://www.readbyqxmd.com/read/28241237/association-of-testosterone-levels-with-anemia-in-older-men-a-controlled-clinical-trial
#7
Cindy N Roy, Peter J Snyder, Alisa J Stephens-Shields, Andrew S Artz, Shalender Bhasin, Harvey J Cohen, John T Farrar, Thomas M Gill, Bret Zeldow, David Cella, Elizabeth Barrett-Connor, Jane A Cauley, Jill P Crandall, Glenn R Cunningham, Kristine E Ensrud, Cora E Lewis, Alvin M Matsumoto, Mark E Molitch, Marco Pahor, Ronald S Swerdloff, Denise Cifelli, Xiaoling Hou, Susan M Resnick, Jeremy D Walston, Stephen Anton, Shehzad Basaria, Susan J Diem, Christina Wang, Stanley L Schrier, Susan S Ellenberg
Importance: In one-third of older men with anemia, no recognized cause can be found. Objective: To determine if testosterone treatment of men 65 years or older with unequivocally low testosterone levels and unexplained anemia would increase their hemoglobin concentration. Design, Setting, and Participants: A double-blinded, placebo-controlled trial with treatment allocation by minimization using 788 men 65 years or older who have average testosterone levels of less than 275 ng/dL...
February 21, 2017: JAMA Internal Medicine
https://www.readbyqxmd.com/read/28241218/-step-up-approach-for-the-treatment-of-postoperative-severe-pancreatic-fistula-is-it-really-possible-and-useful
#8
Elena Rangelova, Roberto Valente, Marco Del Chiaro
No abstract text is available yet for this article.
February 22, 2017: JAMA Surgery
https://www.readbyqxmd.com/read/28241034/detection-of-plant-micrornas-in-honey
#9
Angelo Gismondi, Gabriele Di Marco, Antonella Canini
For the first time in the literature, our group has managed to demonstrate the existence of plant RNAs in honey samples. In particular, in our work, different RNA extraction procedures were performed in order to identify a purification method for nucleic acids from honey. Purity, stability and integrity of the RNA samples were evaluated by spectrophotometric, PCR and electrophoretic analyses. Among all honey RNAs, we specifically revealed the presence of both plastidial and nuclear plant transcripts: RuBisCO large subunit mRNA, maturase K messenger and 18S ribosomal RNA...
2017: PloS One
https://www.readbyqxmd.com/read/28240992/use-of-intravascular-imaging-modality-in-the-management-of-a-patient-with-non-st-segment-elevation-myocardial-infarction
#10
Laura Gatto, Valeria Marco, Francesco Prati
No abstract text is available yet for this article.
January 2017: Journal of Cardiovascular Medicine
https://www.readbyqxmd.com/read/28240903/flexible-bionanocomposites-from-epoxidised-hemp-seed-oil-thermosetting-resin-reinforced-with-halloysite-nanotubes
#11
Peter S Shuttleworth, Ana Maria Díez-Pascual, Carlos Marco, Gary Ellis
Hempseed (Cannabis sativa L.) oil comprises a variety of beneficial unsaturated triglycerides with well-documented nutritional and health benefits. However, it can become rancid over a relatively short time period leading to increased industrial costs and waste of a valuable product. The development of sustainable polymers is presented as a strategy where both the presence of unsaturation and perox-ide content could be affectively utilised to alleviate both this waste and financial burden. After reaction with peroxyacetic acid, incorporation of halloysite nanotubes (HNTs) and sub-sequent thermal curing, without the need for organic sol-vents or interfacial modifiers, flexible transparent materials with a low glass transition temperature were developed...
February 27, 2017: Journal of Physical Chemistry. B
https://www.readbyqxmd.com/read/28240879/lanthanide-activated-phosphors-based-on-4f-5d-optical-transitions-theoretical-and-experimental-aspects
#12
Xian Qin, Xiaowang Liu, Wei Huang, Marco Bettinelli, Xiaogang Liu
The synthesis of lanthanide-activated phosphors is pertinent to many emerging applications, ranging from high-resolution luminescence imaging to next-generation volumetric full-color display. In particular, the optical processes governed by the 4f-5d transitions of divalent and trivalent lanthanides have been the key to enabling precisely tuned color emission. The fundamental importance of lanthanide-activated phosphors for the physical and biomedical sciences has led to rapid development of novel synthetic methodologies and relevant tools that allow for probing the dynamics of energy transfer processes...
February 27, 2017: Chemical Reviews
https://www.readbyqxmd.com/read/28240810/ultraviolet-320-nm-laser-excitation-for-flow-cytometry
#13
William Telford, Lynn Stickland, Marco Koschorreck
Although multiple lasers and high-dimensional analysis capability are now standard on advanced flow cytometers, ultraviolet (UV) lasers (usually 325-365 nm) remain an uncommon excitation source for cytometry. This is primarily due to their cost, and the small number of applications that require this wavelength. The development of the Brilliant Ultraviolet (BUV fluorochromes, however, has increased the importance of this formerly niche excitation wavelength. Historically, UV excitation was usually provided by water-cooled argon- and krypton-ion lasers...
February 27, 2017: Cytometry. Part A: the Journal of the International Society for Analytical Cytology
https://www.readbyqxmd.com/read/28240790/recently-differentiated-epimastigotes-from-trypanosoma-cruzi-are-infective-to-the-mammalian-host
#14
Rafael Luis Kessler, Víctor Tulio Contreras, Newmar Pinto Marliére, Alessandra Aparecida Guarneri, Luz Helena Villamizar Silva, Giovanny Augusto Camacho Antevere Mazzarotto, Michel Batista, Vanete Thomaz Soccol, Marco Aurelio Krieger, Christian Macagnan Probst
Trypanosoma cruzi, the etiologic agent of Chagas disease, has a complex life cycle in which four distinct developmental forms alternate between the insect vector and the mammalian host. It is assumed that replicating epimastigotes present in the insect gut are not infective to mammalian host, a paradigm corroborated by the widely acknowledged fact that only this stage is susceptible to the complement system. In the present work, we establish a T. cruzi in vitro and in vivo epimastigogenesis model to analyze the biological aspects of recently differentiated epimastigotes (rdEpi)...
February 27, 2017: Molecular Microbiology
https://www.readbyqxmd.com/read/28240765/prognostic-significance-of-flow-cytometry-evaluation-of-minimal-residual-disease-in-children-with-acute-myeloid-leukaemia-treated-according-to-the-aieop-aml-2002-01-study-protocol
#15
Barbara Buldini, Frida Rizzati, Riccardo Masetti, Franca Fagioli, Giuseppe Menna, Concetta Micalizzi, Maria Caterina Putti, Carmelo Rizzari, Nicola Santoro, Marco Zecca, Silvia Disarò, Roberto Rondelli, Pietro Merli, Martina Pigazzi, Andrea Pession, Franco Locatelli, Giuseppe Basso
In children with acute myeloid leukaemia (AML), assessment of initial treatment response is an essential prognostic factor; methods more sensitive than morphology are still under evaluation. We report on the measurement of minimal residual disease (MRD), by multicolour flow-cytometry in one centralized laboratory, in 142 children with newly diagnosed AML enrolled in the Associazione Italiana di EmatoOncologia Pediatrica-AML 2002/01 trial. At the end of the first induction course, MRD was <0·1% in 69, 0·1-1% in 16 and >1% in 51 patients...
February 27, 2017: British Journal of Haematology
https://www.readbyqxmd.com/read/28240730/delphi-consensus-on-the-monitoring-tools-of-main-individual-risk-factors-for-chronic-diseases-by-the-company-doctor
#16
Marco Cremaschini, Roberto Moretti, Marinella Valoti, Giorgio Barbaglio, Mariangela Arnoldi, Flavia Bigoni, Elena Guaschi, Federico Merisi, Pierluigi Passera, Angelo Rebba, Marino Signori, Maurizio Tomio, Alberto Baldasseroni, Paolo Carrer, Giovanni Costa, Luigi Dal Cason, Azelio De Santa, Umberto Gelatti, Claudio Gili, Andrea Magrini, Giuseppe Masanotti, Giampietro Mosconi, Giantommaso Pagliaro, Ernesto Ramistella, Maurizio Ronchin, Luciano Riboldi, Pietro Sartorelli, Emanuele Scafato, Antonello Serra, Biagio Tinghino, Pasquale Valente, Maria Rosa Valetto, Luisella Vigna
BACKGROUND: Data on individual risk factors for chronic diseases (smoking, physical activity, body mass) are collected by company physicians in heterogeneous ways. This makes comparisons, researches and evaluations difficult. OBJECTIVES: The aim of the study was to find a consensus on evaluation tools for chronic diseases risk factors and for health promotion programs in workplaces that could be performed by company physicians during their clinical activity. METHODS: A first set of tools, proposed by a working group of occupational physicians in Bergamo, was submitted through the Delphi technique to a national expert panel of 22 persons including recognized national experts in specific fields and occupational physicians skilled in health promotion...
February 15, 2017: La Medicina del Lavoro
https://www.readbyqxmd.com/read/28240352/cardiac-sympathetic-innervation-from-a-different-point-of-re-view
#17
Tania Zaglia, Marco Mongillo
The audience of basic and clinical scientists is familiar with the notion that the sympathetic nervous system controls heart function during stresses. However, evidence indicates that the neurogenic control of the heart spans from the maintenance of housekeeping functions in the resting conditions, to the recruitment of maximal performance, in the fight-or-flight responses, across a whole range of intermediate states. To perform such sophisticated functions, sympathetic ganglia integrate both peripheral and central inputs, and transmit information to the heart via 'motor' neurons, directly interacting with target cardiomyocytes...
February 27, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28239427/food-components-and-contaminants-as-anti-androgenic-molecules
#18
REVIEW
Daniele Marcoccia, Marco Pellegrini, Marco Fiocchetti, Stefano Lorenzetti, Maria Marino
Androgens, the main male sex steroids, are the critical factors responsible for the development of the male phenotype during embryogenesis and for the achievement of sexual maturation and puberty. In adulthood, androgens remain essential for the maintenance of male reproductive function and behavior. Androgens, acting through the androgen receptor (AR), regulate male sexual differentiation during development, sperm production beginning from puberty, and maintenance of prostate homeostasis. Several substances present in the environment, now classified as endocrine disruptors (EDCs), strongly interfere with androgen actions in reproductive and non-reproductive tissues...
2017: Genes & Nutrition
https://www.readbyqxmd.com/read/28239409/iroa-international-register-of-open-abdomen-preliminary-results
#19
Federico Coccolini, Giulia Montori, Marco Ceresoli, Fausto Catena, Rao Ivatury, Michael Sugrue, Massimo Sartelli, Paola Fugazzola, Davide Corbella, Francesco Salvetti, Ionut Negoi, Monica Zese, Savino Occhionorelli, Stefano Maccatrozzo, Sergei Shlyapnikov, Christian Galatioto, Massimo Chiarugi, Zaza Demetrashvili, Daniele Dondossola, Yovcho Yovtchev, Orestis Ioannidis, Giuseppe Novelli, Mirco Nacoti, Desmond Khor, Kenji Inaba, Demetrios Demetriades, Torsten Kaussen, Asri Che Jusoh, Wagih Ghannam, Boris Sakakushev, Ohad Guetta, Agron Dogjani, Stefano Costa, Sandeep Singh, Dimitrios Damaskos, Arda Isik, Kuo-Ching Yuan, Francesco Trotta, Stefano Rausei, Aleix Martinez-Perez, Giovanni Bellanova, Vinicius Cordeiro Fonseca, Fernando Hernández, Athanasios Marinis, Wellington Fernandes, Martha Quiodettis, Miklosh Bala, Andras Vereczkei, Rafael L Curado, Gustavo Pereira Fraga, Bruno M Pereira, Mahir Gachabayov, Guillermo Perez Chagerben, Miguel Leon Arellano, Sefa Ozyazici, Gianluca Costa, Tugan Tezcaner, Luca Ansaloni
BACKGROUND: No definitive data about open abdomen (OA) epidemiology and outcomes exist. The World Society of Emergency Surgery (WSES) and the Panamerican Trauma Society (PTS) promoted the International Register of Open Abdomen (IROA). METHODS: A prospective observational cohort study including patients with an OA treatment. Data were recorded on a web platform (Clinical Registers®) through a dedicated website: www.clinicalregisters.org. RESULTS: Four hundred two patients enrolled...
2017: World Journal of Emergency Surgery: WJES
https://www.readbyqxmd.com/read/28239353/transient-receptor-potential-ankyrin-1-channel-expression-on-peripheral-blood-leukocytes-from-rheumatoid-arthritic-patients-and-correlation-with-pain-and-disability
#20
Ione Pereira, Saulo J F Mendes, Domingos M S Pereira, Thayanne F Muniz, Valderlane L P Colares, Cinara R A V Monteiro, Mahiba M R de S Martins, Marcos A G Grisotto, Valério Monteiro-Neto, Sílvio G Monteiro, João B Calixto, Susan D Brain, Elizabeth S Fernandes
Patients with rheumatoid arthritis (RA) suffer from pain and joint disability. The transient receptor potential ankyrin 1 (TRPA1) channel expressed on sensory neurones and non-neuronal cells mediates pain transduction and inflammation and it has been implicated in RA. However, there is little information on the contribution of TRPA1 for human disease. Here, we investigated the expression of TRPA1 on peripheral blood leukocytes and the circulating levels of its endogenous activators 4-hydroxynonenal (4-HNE) and hydrogen peroxide (H2O2) in RA patients treated or not with the anti-rheumatic leflunomide (LFN) or the anti-TNFα adalimumab (ADA)...
2017: Frontiers in Pharmacology
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