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Vincent A

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https://www.readbyqxmd.com/read/29786885/automated-buildup-of-biomimetic-films-in-cell-culture-microplates-for-high-throughput-screening-of-cellular-behaviors
#1
Paul Machillot, Catarina Quintal, Fabien Dalonneau, Loic Hermant, Pauline Monnot, Kelsey Matthews, Vincent Fitzpatrick, Jie Liu, Isabelle Pignot-Paintrand, Catherine Picart
An automatic method is established for layer-by-layer (LbL) assembly of biomimetic coatings in cell culture microplates using a commercial liquid-handling robot. Highly homogeneous thin films are formed at the bottom of each microwell. The LbL film-coated microplates are compatible with common cellular assays, using microplate readers and automated microscopes. Cellular adhesion is screened on crosslinked and peptide-functionalized LbL films and stem cell differentiation in response to increasing doses of bone morphogenetic proteins (2, 4, 7, 9)...
May 22, 2018: Advanced Materials
https://www.readbyqxmd.com/read/29786775/stormram-4-an-mr-safe-robotic-system-for-breast-biopsy
#2
Vincent Groenhuis, Françoise J Siepel, Jeroen Veltman, Jordy K van Zandwijk, Stefano Stramigioli
Suspicious lesions in the breast that are only visible on magnetic resonance imaging (MRI) need to be biopsied under MR guidance with high accuracy and efficiency for accurate diagnosis. The aim of this study is to present a novel robotic system, the Stormram 4, and to perform preclinical tests in an MRI environment. Excluding racks and needle, its dimensions are 72 × 51 × 40 mm. The Stormram 4 is driven by two linear and two curved pneumatic stepper motors. The linear motor is capable of exerting 63 N of force at a pressure of 0...
May 21, 2018: Annals of Biomedical Engineering
https://www.readbyqxmd.com/read/29786640/vitamin-d-in-vascular-calcification-a-double-edged-sword
#3
REVIEW
Jeffrey Wang, Jimmy J Zhou, Graham R Robertson, Vincent W Lee
Vascular calcification (VC) as a manifestation of perturbed mineral balance, is associated with aging, diabetes and kidney dysfunction, as well as poorer patient outcomes. Due to the current limited understanding of the pathophysiology of vascular calcification, the development of effective preventative and therapeutic strategies remains a significant clinical challenge. Recent evidence suggests that traditional risk factors for cardiovascular disease, such as left ventricular hypertrophy and dyslipidaemia, fail to account for clinical observations of vascular calcification...
May 22, 2018: Nutrients
https://www.readbyqxmd.com/read/29786425/comprehensive-study-of-the-evolution-of-gas-liquid-partitioning-of-acetaldehyde-during-wine-alcoholic-fermentation
#4
Evelyne Aguera, Yannick Sire, Jean-Roch Mouret, Jean-Marie Sablayrolles, Vincent Farines
Determining the gas-liquid partitioning (K_i) of acetaldehyde during alcoholic fermentation is an important step in the optimization of fermentation control with the aim of minimizing the accumulation of this compound responsible for the undesired attributes of green apples and fresh cut grass in wines. In this work, the effect of the main fermentation parameters on the K_i of acetaldehyde was assessed. K_i values were found to be dependent on the temperature and composition of the medium. A non-linear correlation between the evolution of the K_i and fermentation progress was observed, attributed to the strong retention effect of ethanol at low concentrations and it was demonstrated that the partitioning of this specific molecule was not influenced by the CO2 production rate...
May 22, 2018: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/29785681/diabetes-symptoms-predictors-of-health-related-quality-of-life-in-adolescents-and-young-adults-with-type-1-or-type-2-diabetes
#5
James W Varni, Alan M Delamater, Korey K Hood, Jennifer K Raymond, Kimberly A Driscoll, Jenise C Wong, Saleh Adi, Joyce P Yi-Frazier, Ellen K Grishman, Melissa A Faith, Sarah D Corathers, Jessica C Kichler, Jennifer L Miller, Elena M Doskey, Vincent P Aguirre, Robert W Heffer, Don P Wilson
OBJECTIVES: The objective was to investigate the patient-reported diabetes symptoms predictors of generic health-related quality of life (HRQOL) in adolescents and young adults (AYA) with type 1 or type 2 diabetes. METHODS: The 15-item PedsQL™ 3.2 Diabetes Module Diabetes Symptoms Summary Score and PedsQL™ 4.0 Generic Core Scales were completed in a 10-site national field test study by 513 AYA ages 13-25 years with type 1 (n = 424) or type 2 (n = 89) diabetes...
May 21, 2018: Quality of Life Research
https://www.readbyqxmd.com/read/29785274/cross-sectional-assessment-of-achievement-of-therapeutic-goals-in-a-canadian-multidisciplinary-clinic-for-patients-with-advanced-chronic-kidney-disease
#6
Félix Rinfret, France Lambert, Joseph Tchetagni Youmbissi, Jean-François Arcand, Richard Turcot, Maral Alimardani Bessette, Solange Bourque, Vincent Moreau, Karine Tousignant, Diane Deschênes, Lyne Cloutier
Background: The implementation of advanced chronic kidney disease (CKD) multidisciplinary clinics has now demonstrated their effectiveness in delaying and even avoiding dialysis for patients with CKD. However, very little has been documented on the management and achievement of targets for a number of parameters in this context. Objective: Our goal was to assess our multidisciplinary clinic therapy performance in relation to the targets for hypertension, anemia, and calcium phosphate assessment...
2018: Canadian Journal of Kidney Health and Disease
https://www.readbyqxmd.com/read/29784854/molecular-subtype-specific-immunocompetent-models-of-high-grade-urothelial-carcinoma-reveal-differential-neoantigen-expression-and-response-to-immunotherapy
#7
Ryoichi Saito, Christof C Smith, Takanobu Utsumi, Lisa M Bixby, Jordan Kardos, Sara E Wobker, Kyle G Stewart, Shengjie Chai, Ujjawal Manocha, Kevin Matthew Byrd, Jeffrey S Damrauer, Scott E Williams, Benjamin G Vincent, William Y Kim
High-grade urothelial cancer contains intrinsic molecular subtypes that exhibit differences in underlying tumor biology and can be divided into luminal-like and basal-like subtypes. We describe here the first subtype-specific murine models of bladder cancer and show that Upk3a-CreERT2; Trp53L/L; PtenL/L; Rosa26LSL-Luc (UPPL: luminal-like) and BBN (basal-like) tumors are more faithful to human bladder cancer than the widely-used MB49 cells. Following engraftment into immunocompetent C57BL/6 mice, BBN tumors were more responsive to PD-1 inhibition than UPPL tumors...
May 21, 2018: Cancer Research
https://www.readbyqxmd.com/read/29784673/formation-of-the-sacrum-requires-down-regulation-of-sonic-hedgehog-signaling-in-the-sacral-intervertebral-discs
#8
Raffaella Bonavita, Kathleen Vincent, Robert Pinelli, Chitra Lekha Dahia
In humans, the sacrum forms an important component of the pelvic arch, and it transfers the weight of the body to the lower limbs. The sacrum is formed by collapse of the intervertebral discs (IVDs) between the five sacral vertebrae during childhood, and their fusion to form a single bone. We show that collapse of the sacral discs in the mouse is associated with the down-regulation of sonic hedgehog (SHH) signaling in the nucleus pulposus (NP) of the disc, and many aspects of this phenotype can be reversed by experimental postnatal activation of HH signaling...
May 21, 2018: Biology Open
https://www.readbyqxmd.com/read/29784665/srebf1-activity-is-regulated-by-an-ar-mtor-nuclear-axis-in-prostate-cancer
#9
Etienne Audet-Walsh, Mathieu Vernier, Tracey Yee, Chloe E Laflamme, Susan Li, Yonghong Chen, Vincent Giguere
Reprogramming of cellular metabolism is an important feature of prostate cancer (PCa), including altered lipid metabolism. Recently, it was observed that the nuclear fraction of mTOR is essential for the androgen-mediated metabolic reprogramming of PCa cells. Herein, it is demonstrated that the androgen receptor (AR) and mTOR bind to regulatory regions of sterol regulatory element binding transcription factor 1 (SREBF1) to control its expression, while dual activation of these signaling pathways also promotes SREBF1 cleavage and its translocation to the nucleus...
May 21, 2018: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/29784190/randomized-trial-comparing-open-radical-cystectomy-and-robot-assisted-laparoscopic-radical-cystectomy-oncologic-outcomes
#10
Bernard H Bochner, Guido Dalbagni, Karim H Marzouk, Daniel D Sjoberg, Justin Lee, Sheri M Donat, Jonathan A Coleman, Andrew Vickers, Harry W Herr, Vincent P Laudone
BACKGROUND: Open radical cystectomy (ORC) has proven to be an important component in the treatment of high-risk bladder cancer (BCa). ORC surgical morbidity remains high; therefore, minimally invasive surgical techniques have been introduced in an attempt to improve patient outcomes. OBJECTIVE: To compare cancer outcomes in BCa patients managed with ORC or robotic-assisted radical cystectomy (RARC). DESIGN, SETTING, AND PARTICIPANTS: A prospective, randomized trial was completed between 2010 and 2013...
May 18, 2018: European Urology
https://www.readbyqxmd.com/read/29783676/the-expanding-therapeutic-utility-of-botulinum-neurotoxins
#11
REVIEW
Elena Fonfria, Jacquie Maignel, Stephane Lezmi, Vincent Martin, Andrew Splevins, Saif Shubber, Mikhail Kalinichev, Keith Foster, Philippe Picaut, Johannes Krupp
Botulinum neurotoxin (BoNT) is a major therapeutic agent that is licensed in neurological indications, such as dystonia and spasticity. The BoNT family, which is produced in nature by clostridial bacteria, comprises several pharmacologically distinct proteins with distinct properties. In this review, we present an overview of the current therapeutic landscape and explore the diversity of BoNT proteins as future therapeutics. In recent years, novel indications have emerged in the fields of pain, migraine, overactive bladder, osteoarthritis, and wound healing...
May 18, 2018: Toxins
https://www.readbyqxmd.com/read/29783078/delayed-bipolar-and-ganglion-cells-neuroretinal-processing-in-regular-cannabis-users-the-retina-as-a-relevant-site-to-investigate-brain-synaptic-transmission-dysfunctions
#12
Thomas Schwitzer, Raymund Schwan, Karine Angioi-Duprez, Anne Giersch, Laurence Lalanne, Eliane Albuisson, Vincent Laprevote
Cannabis use is widespread worldwide, but the impact of smoking cannabis regularly on brain synaptic transmission has only been partially elucidated. The retina is considered as an easy means of determining dysfunction in brain synaptic transmission. The endocannabinoid system is involved in regulating retinal synaptic transmission, which might also be affected by tobacco. Previous preliminary results have shown impairments in retinal ganglion cell response in cannabis users. Here, we test the extent to which earlier retinal levels-bipolar cells and photoreceptors-are affected in cannabis users, i...
May 1, 2018: Journal of Psychiatric Research
https://www.readbyqxmd.com/read/29782908/deficits-in-temporal-order-memory-induced-by-interferon-alpha-ifn-%C3%AE-treatment-are-rescued-by-aerobic-exercise
#13
Sally Barlow, Briana Fahey, Kimberley J Smith, Johannes Passecker, Andrea Della-Chiesa, Vincent Hok, Jennifer S Day, Charlotte K Callaghan, Shane M O'Mara
Patients receiving cytokine immunotherapy with IFN-α frequently present with neuropsychiatric consequences and cognitive impairments, including a profound depressive-like symptomatology. While the neurobiological substrates of the dysfunction that leads to adverse events in IFN-α-treated patients remains ill-defined, dysfunctions of the hippocampus and prefrontal cortex (PFC) are strong possibilities. To date, hippocampal deficits have been well-characterised; there does however remain a lack of insight into the nature of prefrontal participation...
May 18, 2018: Brain Research Bulletin
https://www.readbyqxmd.com/read/29782482/trauma-patients-are-safe-to-fly-72-hours-after-tube-thoracostomy-removal
#14
David Zonies, Joel Elterman, Christopher Burns, Vincent Paul, John Oh, Jeremy Cannon
BACKGROUND: Current recommendations for safe air travel following traumatic pneumothorax are 2-3 weeks after radiographic resolution. These recommendations are based on several small observational studies and expert consensus which cite a theoretical risk of recurrence and hypoxia due to decreased oxygen tension at altitude. We sought to systematically study the timing of chest drain removal after traumatic pneumothorax and risk of recurrence in relation to air travel. METHODS: A retrospective cohort study of consecutively admitted patients who sustained a traumatic chest injury treated with tube thoracostomy over a 5-year period was undertaken...
May 18, 2018: Journal of Trauma and Acute Care Surgery
https://www.readbyqxmd.com/read/29782430/novel-technique-of-distal-roux-en-y-gastric-bypass-for-insufficient-weight-loss-after-primary-procedure-personal-experience-and-primary-results-at-12-months
#15
Theodoros Thomopoulos, Vincent Tomasi, Evangelos Koliakos, Maximilien Thoma, Benoit Navez
PURPOSE: In the literature, up to 20% of patients present a failure of weight loss after primary Roux-en-Y gastric bypass (RYGBP) or other restrictive procedures. Our aim is to describe the midterm results of our novel technique of distal Roux-en-Y gastric bypass (DRYGBP) as a revisional procedure. MATERIALS AND METHODS: We performed our DRYGBP in 30 patients. The length of the common channel was 100 cm, whereas the lengths of the alimentary and the biliopancreatic limbs were 2/3 and 1/3 of the remaining bowel, respectively...
May 18, 2018: Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
https://www.readbyqxmd.com/read/29782357/reversible-microvascular-hyporeactivity-to-acetylcholine-during-diabetic-ketoacidosis
#16
Jérémie Joffre, Simon Bourcier, Geoffroy Hariri, Arnaud-Felix Miailhe, Naike Bigé, Guillaume Dumas, Vincent Dubée, Pierre-Yves Boelle, Idriss Abdallah, Jean-Luc Baudel, Bertrand Guidet, Eric Maury, Hafid Ait-Oufella
OBJECTIVES: Metabolic acidosis is commonly observed in critically ill patients. Experimental studies suggested that acidosis by itself could impair vascular function, but this has been poorly investigated in human. DESIGN: Prospective observational study. SETTING: Medical ICU in a tertiary teaching hospital. PATIENTS: To assess the relationship between metabolic acidosis severity and microvascular reactivity, we included adult diabetic patients admitted in ICU for ketoacidosis...
May 18, 2018: Critical Care Medicine
https://www.readbyqxmd.com/read/29781988/automated-slide-scanning-and-segmentation-in-fluorescently-labeled-tissues-using-a-widefield-high-content-analysis-system
#17
Candice C Poon, Vincent Ebacher, Katherine Liu, Voon Wee Yong, John James Patrick Kelly
Automated slide scanning and segmentation of fluorescently-labeled tissues is the most efficient way to analyze whole slides or large tissue sections. Unfortunately, many researchers spend large amounts of time and resources developing and optimizing workflows that are only relevant to their own experiments. In this article, we describe a protocol that can be used by those with access to a widefield high-content analysis system (WHCAS) to image any slide-mounted tissue, with options for customization within pre-built modules found in the associated software...
May 3, 2018: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/29781688/-he-should-feel-your-pain-patient-insights-on-patient-provider-communication-in-rwanda
#18
Vincent K Cubaka, Michael Schriver, Janvier B Kayitare, Phil Cotton, Helle T Maindal, Laetitia Nyirazinyoye, Per Kallestrup
BACKGROUND:  Patient-provider communication is an interpersonal interaction between a patient and a health care provider. OBJECTIVE:  This study explored patients' communication preferences and perceptions on what factors influence the patient-provider communication in primary health care settings in Rwanda. METHODS:  In-depth semi-structured interviews with 15 individuals including 8 with limited literacy. A thematic inductive analysis was used...
April 16, 2018: African Journal of Primary Health Care & Family Medicine
https://www.readbyqxmd.com/read/29781648/a-mobile-app-for-social-anxiety-disorder-a-three-arm-randomized-controlled-trial-comparing-mobile-and-pc-based-guided-self-help-interventions
#19
Timo Stolz, Ava Schulz, Tobias Krieger, Alessia Vincent, Antoine Urech, Christian Moser, Stefan Westermann, Thomas Berger
OBJECTIVE: Internet-based cognitive-behavioral treatments (ICBT) have shown promise for various mental disorders, including social anxiety disorder (SAD). Most of these treatments have been delivered on desktop computers. However, the use of smartphones is becoming ubiquitous and could extend the reach of ICBT into users' everyday life. Only a few studies have empirically examined the efficacy of ICBT delivered through a smartphone app and there is no published study on mobile app delivered ICBT for SAD...
June 2018: Journal of Consulting and Clinical Psychology
https://www.readbyqxmd.com/read/29780872/neuropsychology-and-neuroimaging-profiles-of-amyloid-positive-versus-amyloid-negative-amnestic-mild-cognitive-impairment-patients
#20
Clémence Tomadesso, Vincent de La Sayette, Robin de Flores, Pierrick Bourgeat, Victor L Villemagne, Stéphanie Egret, Francis Eustache, Gaël Chételat
Introduction: Patients with amnestic mild cognitive impairment (aMCI) are heterogeneous as regard to their amyloid status. The present study aimed at highlighting the neuropsychological, brain atrophy, and hypometabolism profiles of amyloid-positive (Aβpos) versus amyloid-negative (Aβneg) aMCI patients. Methods: Forty-four aMCI patients and 24 Aβneg healthy controls underwent neuropsychological, structural magnetic resonance imaging and 18F-fluorodeoxyglucose positron emission tomography scans...
2018: Alzheimer's & Dementia: Diagnosis, Assessment & Disease Monitoring
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