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https://www.readbyqxmd.com/read/29777872/inventory-of-proteoforms-as-a-current-challenge-of-proteomics-some-technical-aspects
#1
Stanislav Naryzhny
The main intricacy in the human proteome is that it is tremendously complex and composed from diverse and heterogeneous gene products. These products are called protein species or proteoforms and are the smallest units of the proteome. In pursuit of the comprehensive profiling of the human proteome, significant advances in the technology of so called "Top-Down" mass spectrometry based proteomics, have been made. However, the scale of performance of this approach is still far behind the "Bottom-Up", peptide-centric techniques...
May 16, 2018: Journal of Proteomics
https://www.readbyqxmd.com/read/29777846/an-academic-tertiary-referral-center-s-experience-with-a-vascular-surgery-based-uterine-artery-embolization-program
#2
Naiem Nassiri, Adrian Balica, Nolan C Cirillo-Penn, Dustin Tyler Crystal, Gloria A Bachmann
OBJECTIVE: Despite growing endovascular experience within the vascular surgery community, some catheter-based interventions - such as uterine artery embolization (UAE) - remain outside the clinical scope of most vascular surgeons, owing in part to established referral patterns and limited awareness among referring colleagues. We present our experience with a vascular surgery-based, multidisciplinary UAE program at an academic tertiary referral center. METHODS: In a collaborative effort between vascular surgery and gynecology, a Pelvic Vascular Disease Program has been established to provide palliative, prophylactic, and therapeutic embolizations including, but not limited to, UAE...
May 16, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29777779/bilateral-total-mandibular-reconstruction-with-patient-specific-implants-for-temporomandibular-joint-ankylosis
#3
Jorge Chaurand
Temporomandibular joint (TMJ) ankylosis is a complex entity that requires accurate diagnosis and prompt treatment. Multiple surgical modalities have been proposed to treat TMJ ankylosis, including gap arthroplasty, interpositional arthroplasty, and total joint reconstruction. This article is to report one treated with patient specific implants due to its complexity, technical considerations are presented and could be an option for patients with similar conditions requiring this type of complicated treatment...
May 16, 2018: Journal of Stomatology, Oral and Maxillofacial Surgery
https://www.readbyqxmd.com/read/29777764/deformation-behavior-of-crystallized-mannitol-during-compression-using-a-rotary-tablet-press-simulator
#4
Nicolas Tarlier, Ian Soulairol, Noelia Sanchez-Ballester, Gilles Baylac, Adrien Aubert, Philippe Lefevre, Bernard Bataille, Tahmer Sharkawi
Mannitol is commonly used as a pharmaceutical excipient for tablets; the most widely used oral dosage form for drug delivery. For tableting, mannitol is provided in two different forms: native crystals and textured particles. In order to optimize its formulation, a good understanding of the mechanical behavior mechanism of mannitol is necessary. Thus, the aim of this study is to evaluate the deformation mechanism of native mannitol crystals presenting different particle sizes. Pharmaco-technical and compression studies were performed using mannitol with different mean diameters (160 µm, 50 µm and 25 µm)...
May 16, 2018: International Journal of Pharmaceutics
https://www.readbyqxmd.com/read/29777667/properties-and-units-in-the-clinical-laboratory-sciences-part-xxiv-properties-and-units-in-clinical-molecular-genetics-technical-report-2017
#5
Ulla M Petersen, Ariadna Padró Miquel, Graham Taylor, Jens Michael Hertz, Rebecca Ceder, Xavier Fuentes Arderiu, Johan T den Dunnen
This document describes the application of the syntax, semantic rules, and format of the Nomenclature for Properties and Units (NPU) terminology for coded dedicated kinds-of-property in the subject field of clinical molecular genetics. A vocabulary for NPU definitions in this field, based on international terminology and nomenclature, is introduced; examples of actual NPU definitions for different types of investigations are given and explained.
May 16, 2018: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/29777617/simulation-in-urology-to-train-non-technical-skills-in-ward-rounds
#6
K Somasundram, H Spence, A J Colquhoun, C Mcilhenny, C S Biyani, S Jain
OBJECTIVE: We have designed an exercise to train newly appointed Urology trainees in non-technical skills on ward rounds as a part of a simulation 'boot camp'. This paper reports our experience, including a qualitative analysis of participant feedback on the utility of this method of training. PATIENTS AND METHODS: The simulations took place in a high-fidelity simulated ward bay. Forty-eight doctors with formal Urology training ranging between 2-60 months (mean 19...
May 19, 2018: BJU International
https://www.readbyqxmd.com/read/29777451/telemedicine-based-system-for-quality-management-and-peer-review-in-radiology
#7
Sergey Morozov, Ekaterina Guseva, Natalya Ledikhova, Anton Vladzymyrskyy, Dmitry Safronov
OBJECTIVES: Quality assurance is the key component of modern radiology. A telemedicine-based quality assurance system helps to overcome the "scoring" approach and makes the quality control more accessible and objective. METHODS: A concept for quality assurance in radiology is developed. Its realization is a set of strategies, actions, and tools. The latter is based on telemedicine-based peer review of 23,199 computed tomography (CT) and magnetic resonance imaging (MRI) images...
May 18, 2018: Insights Into Imaging
https://www.readbyqxmd.com/read/29777356/visuospatial-abilities-and-fine-motor-experiences-influence-acquisition-and-maintenance-of-fundamentals-of-laparoscopic-surgery-fls-task-performance
#8
Cuan M Harrington, Patrick Dicker, Oscar Traynor, Dara O Kavanagh
BACKGROUND: Minimally invasive surgery poses a unique learning curve due to the requirement for non-intuitive psychomotor skills. The fundamentals of laparoscopic surgery (FLS) program trains and certifies residents in such skills. However, innate predictors of FLS performance and maintenance remain to be described. This single-centre observational study aimed to assess for candidate factors influencing the acquisition and maintenance of FLS performance amongst a surgically naïve cohort...
May 18, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29777276/prophylactic-placement-of-internal-iliac-balloons-in-patients-with-abnormal-placental-implantation-maternal-and-foetal-outcomes
#9
Patrick J Nicholson, Owen O'Connor, John Buckley, Liam D Spence, Richard A Greene, David J Tuite
PURPOSE: To report on outcomes following the use of prophylactic internal iliac artery occlusion balloons in patients with abnormal placental implantation. METHODS: A retrospective analysis was undertaken of patients with abnormal placental implantation who underwent prophylactic iliac balloon placement prior to delivery in a University Maternity Hospital. Various clinical and technical factors were analysed, including technical success of balloon placement, blood loss and number of blood units transfused, duration of surgery, length of stay, hysterectomy rates, complications related to the balloon insertion, foetal pH and infant Apgar scores...
May 18, 2018: Cardiovascular and Interventional Radiology
https://www.readbyqxmd.com/read/29777164/mrna-treatment-produces-sustained-expression-of-enzymatically-active-human-adamts13-in-mice
#10
Susan Liu-Chen, Brendan Connolly, Lei Cheng, Romesh R Subramanian, Zhaozhong Han
Thrombotic thrombocytopenic purpura (TTP) is primarily caused by deficiency of ADAMTS13 within the blood stream due to either genetic defects or presence of inhibitory autoantibodies. Preclinical and clinical studies suggest that enzyme replacement therapy with recombinant human ADAMTS13 protein (rhADAMTS13) is effective and safe in treatment of TTP. However, frequent dosing would be required due to the relatively short half-life of rhADAMTS13 in circulation as well as the presence of inhibitory autoantibodies that collectively result in the poor pharmacological profile of rhADAMTS13...
May 18, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29776892/technique-for-the-administration-of-high-dose-rate-brachytherapy-to-the-bile-duct-using-a-nasobiliary-catheter
#11
Christopher L Deufel, Keith M Furutani, Robert A Dahl, Michael P Grams, Luke B McLemore, Christopher L Hallemeier, Michelle Neben-Wittich, James A Martenson, Michael G Haddock
PURPOSE: Cholangiocarcinoma patients who are potential candidates for liver transplantation may be treated with high-dose-rate (HDR) brachytherapy using a minimally invasive nasobiliary catheter in an effort to escalate the radiotherapy dose to the tumor and maximize local control rates. This work describes the equipment, procedures, and quality assurance (QA) that enables successful administration. METHODS AND MATERIALS: This work describes the nasobiliary catheter placement, simulation, treatment planning, treatment delivery, and QA...
May 16, 2018: Brachytherapy
https://www.readbyqxmd.com/read/29776841/-medical-simulation-as-a-tool-in-the-training-of-perinatal-professionals
#12
B Tosello, J Blanc, C Kelway, V Pellegrin, E Quarello, F Comte, C Zakarian, C D'Ercole
Though technology plays an increasingly important role in modern health systems, human performance remains a major determinant of safety, effectiveness and efficiency of patient care. This is especially true in the delivery room. Thus, the training of professionals must aim not only for the acquisition of theory and practical skills on an individual basis, but also for the learning of teamwork systematically. Training health professionals with simulation enhances their theoretical knowledge and meets formal requirements in literacy, technical skills and communication...
May 15, 2018: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/29776694/predictive-equations-versus-measured-energy-expenditure-by-indirect-calorimetry-a-retrospective-validation
#13
Oren Zusman, Ilya Kagan, Itai Bendavid, Miriam Theilla, Jonathan Cohen, Pierre Singer
BACKGROUND & AIMS: Measuring resting energy expenditure (REE) via indirect calorimetry (IC) in intensive care unit (ICU) patient is the gold standard recommended by guidelines. However technical difficulties hinder its use and predictive equations are largely used instead. We sought to validate commonly used equations using a large cohort of patients. METHODS: Patients hospitalized from 2003 to 2015 in a 16-bed ICU at a university-affiliated, tertiary care hospital who had IC measurement to assess caloric targets were included...
May 8, 2018: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/29776098/effect-of-multiplicative-noise-on-stationary-stochastic-process
#14
A V Kargovsky, A Yu Chikishev, O A Chichigina
An open system that can be analyzed using the Langevin equation with multiplicative noise is considered. The stationary state of the system results from a balance of deterministic damping and random pumping simulated as noise with controlled periodicity. The dependence of statistical moments of the variable that characterizes the system on parameters of the problem is studied. A nontrivial decrease in the mean value of the main variable with an increase in noise stochasticity is revealed. Applications of the results in several physical, chemical, biological, and technical problems of natural and humanitarian sciences are discussed...
March 2018: Physical Review. E
https://www.readbyqxmd.com/read/29775917/difficulties-in-interpretation-when-assessing-prolonged-and-subacute-exposure-to-the-toxic-effects-of-chlorine
#15
Marek Wiergowski, Ireneusz Sołtyszewski, Jacek Sein Anand, Michał Kaliszan, Jolanta Anita Wilmanowska, Zbigniew Jankowski, Marcin Łukasik
The purpose of this study was a toxicological interpretation of exposure to chlorine with unusual course. Medical, clinical and court records, as well as reviews of the literature, served as the basis for this interpretation. The first case of poisoning concerns a 52-year-old man who for a short time (probably several hours), during the industrial cleaning of facilities with sodium hypochlorite, was exposed to chlorine in a presumed high concentration. The man was obese and suffered from hypertension and moderate atherosclerosis, and therefore could be more susceptible to the toxic effects of chlorine...
May 8, 2018: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/29775824/is-urine-a-reliable-clinical-sample-for-the-diagnosis-of-human-visceral-leishmaniasis-a-systematic-review-and-meta-analysis
#16
REVIEW
Shabnam Asfaram, Saeed Hosseini Teshnizi, Mahdi Fakhar, Elham Sadat Banimostafavi, Masoud Soosaraei
Visualization of amastigotes in lymph nodes, bone marrow, and other tissues samples remains the gold standard method for the diagnosis of visceral leishmaniasis (VL) in humans. This gold standard diagnostic method uses a technically challenging microscopy procedure that is often not accessible in many places in the world where VL is endemic. Here, we report the current systematic review and meta-analysis to evaluate whether urine is a reliable clinical sample for diagnosis of human VL. Data were extracted from ten available databases during the period from 2002 to 2017...
May 15, 2018: Parasitology International
https://www.readbyqxmd.com/read/29775764/novel-technical-variations-and-increased-adhesive-strength-in-the-birdlime-transposition-technique-for-microvascular-decompression
#17
Naoki Otani, Terushige Toyooka, Satoru Takeuchi, Arata Tomiyama, Kojiro Wada, Kentaro Mori
No abstract text is available yet for this article.
May 15, 2018: World Neurosurgery
https://www.readbyqxmd.com/read/29775405/the-mouse-heart-attack-research-tool-mhart-1-0-database
#18
Kristine Y DeLeon-Pennell, Rugmani Padmanabhan Iyer, Yonggang Ma, Andriy Yabluchanskiy, Rogelio Zamilpa, Ying Ann Chiao, Presley Cannon, Courtney Cates, Elizabeth R Flynn, Ganesh V Halade, Lisandra E de Castro Bras, Merry L Lindsey
The generation of Big Data has enabled systems-level dissections into the mechanisms of cardiovascular pathology. Integration of genetic, proteomic, and pathophysiological variables across platforms and laboratories fosters discoveries through multidisciplinary investigations and minimizes unnecessary redundancy in research efforts. The Mouse Heart Attack Research Tool (mHART) consolidates a large dataset of over 10 years of experiments from a single laboratory for cardiovascular investigators to generate novel hypotheses and identify new predictive markers of progressive left ventricular remodeling following myocardial infarction (MI) in mice...
May 18, 2018: American Journal of Physiology. Heart and Circulatory Physiology
https://www.readbyqxmd.com/read/29775240/analysis-of-pngase-f-resistant-n-glycopeptides-using-sugarqb-for-proteome-discoverer-2-1-reveals-cryptic-substrate-specificities
#19
Johannes Stadlmann, David M Hoi, Jasmin Taubenschmid, Karl Mechtler, Josef M Penninger
SugarQb (www.imba.oeaw.ac.at/sugarqb) is a freely available collection of computational tools for the automated identification of intact glycopeptides from high-resolution HCD MS/MS data-sets in the Proteome Discoverer environment. We report the migration of SugarQb to the latest and free version of Proteome Discoverer 2.1, and apply it to the analysis of PNGase F-resistant N-glycopeptides from mouse embryonic stem cells. The analysis of intact glycopeptides highlights unexpected technical limitations to PNGase F-dependent glycoproteomic workflows at the proteome level, and warrants a critical re-interpretation of seminal data-sets in the context of N-glycosylation-site prediction...
May 18, 2018: Proteomics
https://www.readbyqxmd.com/read/29775161/surgical-treatment-of-middle-cluneal-nerve-entrapment-neuropathy-technical-note
#20
Juntaro Matsumoto, Toyohiko Isu, Kyongsong Kim, Naotaka Iwamoto, Daijiro Morimoto, Masanori Isobe
OBJECTIVE The etiology of low-back pain (LBP) is heterogeneous and is unknown in some patients with chronic pain. Superior cluneal nerve entrapment has been proposed as a causative factor, and some patients suffer severe symptoms. The middle cluneal nerve (MCN) is also implicated in the elicitation of LBP, and its clinical course and etiology remain unclear. The authors report the preliminary outcomes of a less invasive microsurgical release procedure to address MCN entrapment (MCN-E). METHODS The authors enrolled 11 patients (13 sites) with intractable LBP judged to be due to MCN-E...
May 18, 2018: Journal of Neurosurgery. Spine
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