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https://www.readbyqxmd.com/read/29444707/percutaneous-transhepatic-vs-endoscopic-retrograde-biliary-drainage-for-suspected-malignant-hilar-obstruction-study-protocol-for-a-randomized-controlled-trial
#1
Firas Al-Kawas, Harry Aslanian, John Baillie, Filip Banovac, Jonathan M Buscaglia, James Buxbaum, Amitabh Chak, Bradford Chong, Gregory A Coté, Peter V Draganov, Kulwinder Dua, Valerie Durkalski, B Joseph Elmunzer, Lydia D Foster, Timothy B Gardner, Brian S Geller, Priya Jamidar, Laith H Jamil, Rajesh N Keswani, Mouen A Khashab, Gabriel D Lang, Ryan Law, David Lichtenstein, Simon K Lo, Sean McCarthy, Silvio Melo, Daniel Mullady, Jose Nieto, J Bayne Selby, Vikesh K Singh, Rebecca L Spitzer, Brian Strife, Paul Tarnaksy, Jason R Taylor, Jeffrey Tokar, Andrew Y Wang, April Williams, Field Willingham, Patrick Yachimski
BACKGROUND: The optimal approach to the drainage of malignant obstruction at the liver hilum remains uncertain. We aim to compare percutaneous transhepatic biliary drainage (PTBD) to endoscopic retrograde cholangiography (ERC) as the first intervention in patients with cholestasis due to suspected malignant hilar obstruction (MHO). METHODS: The INTERCPT trial is a multi-center, comparative effectiveness, randomized, superiority trial of PTBD vs. ERC for decompression of suspected MHO...
February 14, 2018: Trials
https://www.readbyqxmd.com/read/29385143/longitudinal-microbiome-analysis-of-single-donor-fecal-microbiota-transplantation-in-patients-with-recurrent-clostridium-difficile-infection-and-or-ulcerative-colitis
#2
Michael Mintz, Shanawaj Khair, Suman Grewal, Joseph F LaComb, Jiyhe Park, Breana Channer, Ramona Rajapakse, Juan Carlos Bucobo, Jonathan M Buscaglia, Farah Monzur, Anupama Chawla, Jie Yang, Charlie E Robertson, Daniel N Frank, Ellen Li
BACKGROUND: Studies of colonoscopic fecal microbiota transplant (FMT) in patients with recurrent CDI, indicate that this is a very effective treatment for preventing further relapses. In order to provide this service at Stony Brook University Hospital, we initiated an open-label prospective study of single colonoscopic FMT among patients with ≥ 2 recurrences of CDI, with the intention of monitoring microbial composition in the recipient before and after FMT, as compared with their respective donor...
2018: PloS One
https://www.readbyqxmd.com/read/29325707/successful-creation-of-pancreatic-cancer-organoids-by-means-of-eus-guided-fine-needle-biopsy-for-personalized-cancer-treatment
#3
Herve Tiriac, Juan Carlos Bucobo, Demetrios Tzimas, Suman Grewel, Joseph F Lacomb, Leahana M Rowehl, Satish Nagula, Maoxin Wu, Joseph Kim, Aaron Sasson, Shivakumar Vignesh, Laura Martello, Maria Munoz-Sagastibelza, Jonathan Somma, David A Tuveson, Ellen Li, Jonathan M Buscaglia
BACKGROUND AND AIMS: Pancreatic cancer organoids are tumor models of individualized human pancreatic ductal adenocarcinoma (PDA), created from surgical specimens and used for personalized treatment strategies. Unfortunately the vast majority of patients with PDA are not operative candidates. Creation of human PDA organoids at the time of initial tumor diagnosis is therefore critical. Our aim was to assess the feasibility of creating human PDA organoids by EUS fine-needle biopsy (EUS-FNB) in patients with PDA...
January 8, 2018: Gastrointestinal Endoscopy
https://www.readbyqxmd.com/read/29280518/a-new-tool-to-test-active-ingredient-using-acid-lactic-in-vitro-a-help-to-understand-cellular-mechanism-involved-in-stinging-test-an-example-using-a-bacterial-polysaccharide-fucogel%C3%A2
#4
Mehdi Sakka, Raphael Leschiera, Christelle Le Gall, Olivier Gouin, Killian L'herondelle, Paul Buscaglia, Olivier Mignen, Jean-Luc Philbé, Thibaut Saguet, Jean-Luc Carré, Laurent Misery, Nicolas Lebonvallet
The stinging test is an in vivo protocol that evaluates sensitive skin using lactic acid (LA). A soothing sensation of cosmetics or ingredients can be also appreciated through a decrease of stinging score. To predict the soothing sensation of a product before in vivo testing, we developed a model based on an LA test and substance P (SP) release using a co-culture of human keratinocytes and NGF-differentiated PC12 cells. A bacterial fucose-rich polysaccharide present in Fucogel® was evaluated as the soothing molecule in the in vivo stinging test and our in vitro model...
December 27, 2017: Experimental Dermatology
https://www.readbyqxmd.com/read/29245220/case-report-of-intestinal-non-rotation-heterotaxy-and-polysplenia-in-a-patient-with-pancreatic-cancer
#5
Spyridon Pagkratis, Sara Kryeziu, Miranda Lin, Samah Hoque, Juan Carlos Bucobo, Jonathan M Buscaglia, Georgios V Georgakis, Aaron R Sasson, Joseph Kim
RATIONALE: Heterotaxy with polysplenia is an extremely rare congenital condition resulting from abnormal arrangement of organs in the abdominal and thoracic cavities during embryologic development. When a malignancy such as pancreatic cancer develops under these conditions, surgical resection becomes particularly complex. This case report demonstrates successful pancreatic cancer resection despite the patient's complicated anatomy. PATIENT CONCERNS: An 82-year-old female presented to our institution with complaints of mild right upper quadrant pain radiating to the mid-epigastric region...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29203224/gastrointestinal-mantle-cell-lymphoma-presenting-as-lymphomatous-polyposis
#6
Galen Leung, Jela Bandovic, Jonathan M Buscaglia
No abstract text is available yet for this article.
December 1, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29199143/digital-single-operator-cholangioscopy-for-difficult-bile-duct-stones-out-with-the-old-in-with-the-new
#7
EDITORIAL
Dennis Yang, Jonathan M Buscaglia
No abstract text is available yet for this article.
November 30, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/29192487/cation-diffusion-and-segregation-at-the-interface-between-samarium-doped-ceria-and-lscf-or-lsfcu-cathodes-investigated-with-x-ray-microspectroscopy
#8
Francesco Giannici, Giovanna Canu, Alessandro Chiara, Marianna Gambino, Chiara Aliotta, Alessandro Longo, Vincenzo Buscaglia, Antonino Martorana
The chemical compatibility between electrolytes and electrodes is an extremely important aspect governing the overall impedance of solid-oxide cells. Since these devices work at elevated temperatures, they are especially prone to cation interdiffusion between the cell components, possibly resulting in secondary insulating phases. In this work, we applied X-ray microspectroscopy to study the interface between a samarium-doped ceria electrolyte and lanthanum ferrite cathodes (La0.9Sr0.1Fe0.85Cu0.15O3 - LSCF; La0...
December 1, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29176395/integrated-safety-summary-for-trifluridine-tipiracil-tas-102
#9
Alfredo Falcone, Atsushi Ohtsu, Eric Van Cutsem, Robert J Mayer, Michele Buscaglia, Johanna C Bendell, Scott Kopetz, Paul Bebeau, Takayuki Yoshino
Trifluridine/tipiracil, an oral treatment combining trifluridine (an antineoplastic thymidine-based nucleoside analog) and tipiracil hydrochloride (a thymidine phosphorylase inhibitor), led to significant improvement in overall survival in metastatic colorectal cancer (mCRC) patients refractory to standard therapy in the phase III RECOURSE trial. Here, we report an integrated summary of the safety of trifluridine/tipiracil. The main safety analysis includes integrated data from the RECOURSE and J003 studies (safety data group 2) of patients with refractory mCRC receiving trifluridine/tipiracil at the recommended starting dose: 35 mg/m twice daily for 5 days with 2 days' rest for 2 weeks, followed by a 14-day rest (one cycle)...
November 24, 2017: Anti-cancer Drugs
https://www.readbyqxmd.com/read/29155408/dark-field-differential-dynamic-microscopy-enables-the-accurate-characterization-of-the-roto-translational-dynamics-of-bacteria-and-colloidal-clusters
#10
Roberto Cerbino, Davide Piotti, Marco Buscaglia, Fabio Giavazzi
Micro- and nanoscale objects with anisotropic shape are key components of a variety of biological systems and inert complex materials, and represent fundamental building blocks of novel self-assembly strategies. The time scale of their thermal motion is set by their translational and rotational diffusion coefficients, whose measurement may become difficult for relatively large particles with small optical contrast. Here we show that Dark Field Differential Dynamic Microscopy is the ideal tool for probing the roto-translational Brownian motion of shape anisotropic particles...
November 20, 2017: Journal of Physics. Condensed Matter: An Institute of Physics Journal
https://www.readbyqxmd.com/read/29057214/the-%C3%AE-tubulin-gene-tuba1a-in-brain-development-a-key-ingredient-in-the-neuronal-isotype-blend
#11
Jayne Aiken, Georgia Buscaglia, Emily A Bates, Jeffrey K Moore
Microtubules are dynamic cytoskeletal polymers that mediate numerous, essential functions such as axon and dendrite growth and neuron migration throughout brain development. In recent years, sequencing has revealed dominant mutations that disrupt the tubulin protein building blocks of microtubules. These tubulin mutations lead to a spectrum of devastating brain malformations, complex neurological and physical phenotypes, and even fatality. The most common tubulin gene mutated is the α-tubulin gene TUBA1A, which is the most prevalent α-tubulin gene expressed in post-mitotic neurons...
September 2017: Journal of Developmental Biology
https://www.readbyqxmd.com/read/28991925/next-generation-elisa-diagnostic-assay-for-chagas-disease-based-on-the-combination-of-short-peptidic-epitopes
#12
Juan Mucci, Santiago J Carmona, Romina Volcovich, Jaime Altcheh, Estefanía Bracamonte, Jorge D Marco, Morten Nielsen, Carlos A Buscaglia, Fernán Agüero
Chagas Disease, caused by the protozoan Trypanosoma cruzi, is a major health and economic problem in Latin America for which no vaccine or appropriate drugs for large-scale public health interventions are yet available. Accurate diagnosis is essential for the early identification and follow up of vector-borne cases and to prevent transmission of the disease by way of blood transfusions and organ transplantation. Diagnosis is routinely performed using serological methods, some of which require the production of parasite lysates, parasite antigenic fractions or purified recombinant antigens...
October 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28978686/the-trypomastigote-small-surface-antigen-from-trypanosoma-cruzi-improves-treatment-evaluation-and-diagnosis-in-pediatric-chagas-disease
#13
Virginia Balouz, Luciano J Melli, Romina Volcovich, Guillermo Moscatelli, Samanta Moroni, Nicolás González, Griselda Ballering, Margarita Bisio, Andrés Ciocchini, Carlos A Buscaglia, Jaime Altcheh
Chagas disease is caused by the protozoan parasite Trypanosoma cruzi. Assessment of parasitological cure upon treatment with available drugs relies on achieving consistent negative results in conventional parasitological and serological tests, which may take years to assess. Here, we evaluated the use of a recombinant T. cruzi antigen termed TSSA as an early serological marker of drug efficacy in T. cruzi-infected children. A cohort of 78 pediatric patients born to T. cruzi-infected mothers was included in this study...
October 4, 2017: Journal of Clinical Microbiology
https://www.readbyqxmd.com/read/28961244/high-resolution-profiling-of-linear-b-cell-epitopes-from-mucin-associated-surface-proteins-masps-of-trypanosoma-cruzi-during-human-infections
#14
Ignacio M Durante, Pablo E La Spina, Santiago J Carmona, Fernán Agüero, Carlos A Buscaglia
BACKGROUND: The Trypanosoma cruzi genome bears a huge family of genes and pseudogenes coding for Mucin-Associated Surface Proteins (MASPs). MASP molecules display a 'mosaic' structure, with highly conserved flanking regions and a strikingly variable central and mature domain made up of different combinations of a large repertoire of short sequence motifs. MASP molecules are highly expressed in mammal-dwelling stages of T. cruzi and may be involved in parasite-host interactions and/or in diverting the immune response...
September 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28800609/the-trypomastigote-small-surface-antigen-tssa-regulates-trypanosoma-cruzi-infectivity-and-differentiation
#15
María de Los Milagros Cámara, Gaspar E Cánepa, Andrés B Lantos, Virginia Balouz, Hai Yu, Xi Chen, Oscar Campetella, Juan Mucci, Carlos A Buscaglia
BACKGROUND: TSSA (Trypomastigote Small Surface Antigen) is an antigenic, adhesion molecule displayed on the surface of Trypanosoma cruzi trypomastigotes. TSSA displays substantial sequence identity to members of the TcMUC gene family, which code for the trypomastigote mucins (tGPI-mucins). In addition, TSSA bears sequence polymorphisms among parasite strains; and two TSSA variants expressed as recombinant molecules (termed TSSA-CL and TSSA-Sy) were shown to exhibit contrasting features in their host cell binding and signaling properties...
August 2017: PLoS Neglected Tropical Diseases
https://www.readbyqxmd.com/read/28757253/enhancer-reprogramming-promotes-pancreatic-cancer-metastasis
#16
Jae-Seok Roe, Chang-Il Hwang, Tim D D Somerville, Joseph P Milazzo, Eun Jung Lee, Brandon Da Silva, Laura Maiorino, Hervé Tiriac, C Megan Young, Koji Miyabayashi, Dea Filippini, Brianna Creighton, Richard A Burkhart, Jonathan M Buscaglia, Edward J Kim, Jean L Grem, Audrey J Lazenby, James A Grunkemeyer, Michael A Hollingsworth, Paul M Grandgenett, Mikala Egeblad, Youngkyu Park, David A Tuveson, Christopher R Vakoc
Pancreatic ductal adenocarcinoma (PDA) is one of the most lethal human malignancies, owing in part to its propensity for metastasis. Here, we used an organoid culture system to investigate how transcription and the enhancer landscape become altered during discrete stages of disease progression in a PDA mouse model. This approach revealed that the metastatic transition is accompanied by massive and recurrent alterations in enhancer activity. We implicate the pioneer factor FOXA1 as a driver of enhancer activation in this system, a mechanism that renders PDA cells more invasive and less anchorage-dependent for growth in vitro, as well as more metastatic in vivo...
August 24, 2017: Cell
https://www.readbyqxmd.com/read/28624647/comparison-of-endoscopic-ultrasound-fine-needle-aspiration-and-endoscopic-ultrasound-fine-needle-biopsy-for-solid-lesions-in-a%C3%A2-multicenter-randomized-trial
#17
Satish Nagula, Kamron Pourmand, Harry Aslanian, Juan Carlos Bucobo, Tamas A Gonda, Susana Gonzalez, Adam Goodman, Seth A Gross, Sammy Ho, Christopher J DiMaio, Michelle K Kim, Shireen Pais, John M Poneros, David H Robbins, Felice Schnoll-Sussman, Amrita Sethi, Jonathan M Buscaglia
BACKGROUND & AIMS: Endoscopic ultrasound with fine-needle aspiration (FNA) is the standard of care for tissue sampling of solid lesions adjacent to the gastrointestinal tract. Fine-needle biopsy (FNB) may provide higher diagnostic yield with fewer needle passes. The aim of this study was to assess the difference in diagnostic yield between FNA and FNB. METHODS: This is a multicenter, prospective randomized clinical trial from 6 large tertiary care centers. Patients referred for tissue sampling of solid lesions were randomized to either FNA or FNB of the target lesion...
June 15, 2017: Clinical Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28602494/an-enlarged-painful-scrotum
#18
Jeries Paolo Zawaideh, Luca Berardi, Michele Buscaglia, Lorenzo Egildo Derchi
No abstract text is available yet for this article.
June 8, 2017: Surgery
https://www.readbyqxmd.com/read/28516266/constitutive-calcium-entry-and-cancer-updated-views-and-insights
#19
REVIEW
Olivier Mignen, Bruno Constantin, Marie Potier-Cartereau, Aubin Penna, Mathieu Gautier, Maxime Guéguinou, Yves Renaudineau, Kenji F Shoji, Romain Félix, Elsa Bayet, Paul Buscaglia, Marjolaine Debant, Aurélie Chantôme, Christophe Vandier
Tight control of basal cytosolic Ca(2+) concentration is essential for cell survival and to fine-tune Ca(2+)-dependent cell functions. A way to control this basal cytosolic Ca(2+) concentration is to regulate membrane Ca(2+) channels including store-operated Ca(2+) channels and secondary messenger-operated channels linked to G-protein-coupled or tyrosine kinase receptor activation. Orai, with or without its reticular STIM partner and Transient Receptor Potential (TRP) proteins, were considered to be the main Ca(2+) channels involved...
July 2017: European Biophysics Journal: EBJ
https://www.readbyqxmd.com/read/28501619/a-label-free-immunoassay-for-flavivirus-detection-by-the-reflective-phantom-interface-technology
#20
Giovanni Tagliabue, Valentina Faoro, Serena Rizzo, Daniele Sblattero, Andrea Saccani, Gabriele Riccio, Tommaso Bellini, Matteo Salina, Marco Buscaglia, Alessandro Marcello
Flaviviruses are widespread and cause clinically relevant arboviral diseases that impact locally and as imported travel-related infections. Direct detection of viraemia is limited, being typically undetectable at onset of symptoms. Therefore, diagnosis is primarily based on serology, which is complicated by high cross-reactivity across different species. The overlapping geographical distribution of the vectors in areas with a weak healthcare system, the increase of international travel and the similarity of symptoms highlight the need for rapid and reliable multi-parametric diagnostic tests in point-of-care formats...
October 28, 2017: Biochemical and Biophysical Research Communications
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