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https://www.readbyqxmd.com/read/28096727/new-radiofrequency-device-to-reduce-bleeding-after-core-needle-biopsy-experimental-study-in-a-porcine-liver-model
#1
Sanghyeok Lim, Hyunchul Rhim, Min Woo Lee, Kyoung Doo Song, Tae Wook Kang, Young-Sun Kim, Hyo Keun Lim
OBJECTIVE: To evaluate the in vivo efficiency of the biopsy tract radiofrequency ablation for hemostasis after core biopsy of the liver in a porcine liver model, including situations with bleeding tendency and a larger (16-gauge) core needle. MATERIALS AND METHODS: A preliminary study was performed using one pig to determine optimal ablation parameters. For the main experiment, four pigs were assigned to different groups according to heparinization use and biopsy needle caliber...
January 2017: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/28096244/experimental-models-of-inherited-prp-prion-diseases
#2
Joel C Watts, Stanley B Prusiner
The inherited prion protein (PrP) prion disorders, which include familial Creutzfeldt-Jakob disease, Gerstmann-Sträussler-Scheinker disease, and fatal familial insomnia, constitute ∼10%-15% of all PrP prion disease cases in humans. Attempts to generate animal models of these disorders using transgenic mice expressing mutant PrP have produced variable results. Although many lines of mice develop spontaneous signs of neurological illness with accompanying prion disease-specific neuropathological changes, others do not...
January 17, 2017: Cold Spring Harbor Perspectives in Medicine
https://www.readbyqxmd.com/read/28087751/odyssey-escape-is-pcsk9-inhibition-the-trojan-horse-for-the-use-of-lipoprotein-apheresis-in-familial-hypercholesterolaemia
#3
EDITORIAL
Gerald F Watts, Claudia Stefanutti
No abstract text is available yet for this article.
December 21, 2016: European Heart Journal
https://www.readbyqxmd.com/read/28081239/statistical-modeling-applied-to-deformation-relaxation-processes-in-a-composite-biopolymer-network-induced-by-magnetic-field
#4
Javier Tarrío-Saavedra, Cécilia Galindo González, Salvador Naya, Jorge López-Beceiro, Alain Ponton
This study investigated a methodology based on image processing and statistics to characterize and model the deformation upon controlled and uniform magnetic field and the relaxation under zero field of droplets observed in aqueous solutions of sodium alginate incorporating magnetic maghemite nanoparticles stabilized by adsorption of citrate ions. The changes of droplet geometry were statistically analyzed using a new approach based on the data obtained from optical microscopy, image processing, nonlinear regression, evolutionary optimization, analysis of variance and resampling...
2017: PloS One
https://www.readbyqxmd.com/read/28079505/glucocorticoid-withdrawal-in-polymyalgia-rheumatica-the-theory-versus-the-practice
#5
EDITORIAL
Max Yates, Richard A Watts, Francesca Swords, Alexander J MacGregor
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January 5, 2017: Clinical and Experimental Rheumatology
https://www.readbyqxmd.com/read/28078757/lamellar-events-related-to-insulin-like-growth-factor-1-receptor-signaling-in-two-models-relevant-to-endocrinopathic-laminitis
#6
H E Lane, T A Burns, O C Hegedus, M R Watts, P S Weber, K A Woltman, R J Geor, L J McCutcheon, S C Eades, L E Mathes, J K Belknap
BACKGROUND: Insulin dysregulation, obesity, and exposure to high-non structural carbohydrate (NSC) forage are risk factors for equine metabolic syndrome (EMS)-associated laminitis (EMSAL); high systemic insulin concentrations in EMSAL are proposed to induce cellular dysregulation in the digital lamellae through activation of the IGF-1 receptor. OBJECTIVES: To use a dietary challenge model (DCM) and a euglycemic hyperinsulinemic clamp (EHC) model to assess lamellar growth factor-related signaling...
January 11, 2017: Equine Veterinary Journal
https://www.readbyqxmd.com/read/28077690/educating-people-with-rare-rheumatological-conditions-patients-deserve-better
#7
EDITORIAL
Janice Mooney, Richard A Watts
No abstract text is available yet for this article.
January 11, 2017: Rheumatology
https://www.readbyqxmd.com/read/28077575/effector-attenuating-substitutions-that-maintain-antibody-stability-and-reduce-toxicity-in-mice
#8
Megan Lo, Hok Seon Kim, Raymond K Tong, Travis W Bainbridge, Jean-Michel Vernes, Yin Zhang, Yuwen Linda Lin, Shan Chung, Mark S Dennis, Y Joy Yu Zuchero, Ryan J Watts, Jessica A Couch, Y Gloria Meng, Jasvinder K Atwal, Randall J Brezski, Christoph Spiess, James A Ernst
The antibody Fc region regulates antibody cytotoxic activities and serum half-life. In a therapeutic context however, the cytotoxic effector function of an antibody is often not desirable and can create safety liabilities by activating native host immune defenses against cells expressing the receptor-antigens. Several amino acid changes in the Fc region have been reported to silence or reduce the effector function of antibodies. These earlier studies focused primarily on the interaction of human antibodies with human Fc-Gamma; receptors, and it remains largely unknown how such changes to the Fc might translate in the context of a murine antibody...
January 11, 2017: Journal of Biological Chemistry
https://www.readbyqxmd.com/read/28077392/bidirectional-crosstalk-between-the-sensory-and-sympathetic-motor-systems-innervating-brown-and-white-adipose-tissue-in-male-siberian-hamsters
#9
Vitaly Ryu, Alan G Watts, Bingzhong Xue, Timothy J Bartness
The brain networks connected to the sympathetic motor and sensory innervations of brown (BAT) and white (WAT) adipose tissues were originally described using two transneuronally transported viruses: the retrogradely transported pseudorabies virus (PRV), and the anterogradely transported H129 strain of herpes simplex virus-1 (HSV-1 H129). Further complexity was added to this network organization when combined injections of PRV and HSV-1 H129 into either BAT or WAT of the same animal generated sets of co-infected neurons in the brain, spinal cord, sympathetic and dorsal root ganglia...
January 11, 2017: American Journal of Physiology. Regulatory, Integrative and Comparative Physiology
https://www.readbyqxmd.com/read/28076793/chloroquine-inducible-par-4-secretion-is-essential-for-tumor-cell-apoptosis-and-inhibition-of-metastasis
#10
Ravshan Burikhanov, Nikhil Hebbar, Sunil K Noothi, Nidhi Shukla, James Sledziona, Nathália Araujo, Meghana Kudrimoti, Qing Jun Wang, David S Watt, Danny R Welch, Jodi Maranchie, Akihiro Harada, Vivek M Rangnekar
The induction of tumor suppressor proteins capable of cancer cell apoptosis represents an attractive option for the re-purposing of existing drugs. We report that the anti-malarial drug, chloroquine (CQ), is a robust inducer of Par-4 secretion from normal cells in mice and cancer patients in a clinical trial. CQ-inducible Par-4 secretion triggers paracrine apoptosis of cancer cells and also inhibits metastatic tumor growth. CQ induces Par-4 secretion via the classical secretory pathway that requires the activation of p53...
January 10, 2017: Cell Reports
https://www.readbyqxmd.com/read/28075591/discovery-of-potent-cyclophilin-inhibitors-based-on-structural-simplification-of-sanglifehrin-a
#11
Victoria A Steadman, Simon B Pettit, Karine G Poullennec, Linos Lazarides, Andrew J Keats, David K Dean, Steven J Stanway, Carol A Austin, Jonathan A Sanvoisin, Gregory M Watt, Hans G Fliri, Albert C Liclican, Debi Jin, Melanie H Wong, Stephanie A Leavitt, Yu-Jen Lee, Yang Tian, Christian R Frey, Todd C Appleby, Uli Schmitz, Petr Jansa, Richard L Mackman, Brian Edward Schultz
Cyclophilin inhibition has been a target for the treatment of hepatitis C and other diseases, but the generation of potent, drug-like molecules through chemical synthesis has been challenging. In this study, a set of macrocyclic cyclophilin inhibitors was synthesized based on the core structure of the natural product sanglifehrin A. Initial compound optimization identified the valine-m-tyrosine-piperazic acid tripeptide (Val-m-Tyr-Pip) in the sanglifehrin core, stereocenters at C14 and C15, and the hydroxyl group of the m-tyrosine (m-Tyr) residue as key contributors to compound potency...
January 11, 2017: Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28071822/responses-to-treatment-with-teriparatide-in-patients-with-atypical-femur-fractures-previously-treated-with-bisphosphonates
#12
Nelson B Watts, Deborah Aggers, Edward F McCarthy, Tina Savage, Stephanie Martinez, Rachel Patterson, Erin Carrithers, Paul D Miller
If over-suppression of bone turnover explained the association between bisphosphonate use and atypical subtrochanteric femur fractures (AFF), this could be reversed with anabolic treatment such as teriparatide. We conducted a prospective, open label study in patients previously treated with bisphosphonates who sustained AFF, examining the response to 24 months treatment with teriparatide on bone mineral density (BMD), trabecular bone score (TBS), bone turnover markers (BTM) and fracture healing as well as quantitative histomorphometry...
January 10, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28069201/pulsed-wave-low-dose-ultrasound-hyperthermia-selectively-enhances-nanodrug-delivery-and-improves-antitumor-efficacy-for-brain-metastasis-of-breast-cancer
#13
Sheng-Kai Wu, Chi-Feng Chiang, Yu-Hone Hsu, Houng-Chi Liou, Wen-Mei Fu, Win-Li Lin
The clinical application of chemotherapeutics for brain tumors remains a challenge due to limitation of blood-brain barrier/blood-tumor barrier (BBB/BTB). In this study, we investigated the effects of low-dose focused ultrasound hyperthermia (UH) on the delivery and therapeutic efficacy of pegylated liposomal doxorubicin (PLD) for brain metastasis of breast cancer. Murine breast cancer cells (4T1-luc2) expressing firefly luciferase were implanted into mouse striatum as a brain tumor model. The mice were intravenously injected with PLD with/without transcranial pulsed-wave/continuous-wave UH (pUH/cUH) treatment on day-6 after tumor implantation...
May 2017: Ultrasonics Sonochemistry
https://www.readbyqxmd.com/read/28069155/communicating-with-patients-from-minority-backgrounds-individual-challenges-experienced-by-oncology-health-professionals
#14
Kaaren J Watts, Bettina Meiser, Elvira Zilliacus, Rajneesh Kaur, Mona Taouk, Afaf Girgis, Phyllis Butow, David Goldstein, Sandra Hale, Astrid Perry, Sanchia K Aranda, David W Kissane
PURPOSE: Oncology health professionals (HPs) are increasingly required to care for patients from minority backgrounds. Yet many HPs have not had formal training in how to communicate effectively in culturally diverse settings. More information is needed about the challenges that oncology HPs face in communicating with minority patients to inform the content of formal training programs. This qualitative study aimed to identify oncology nurses' and oncologists' individual experiences and challenges in communicating with patients from minority backgrounds...
February 2017: European Journal of Oncology Nursing: the Official Journal of European Oncology Nursing Society
https://www.readbyqxmd.com/read/28068084/molecular-modeling-evaluation-of-the-enantiomers-of-a-novel-adenylyl-cyclase-2-inhibitor
#15
Neha Rana, Jason M Conley, Monica Soto-Velasquez, Francisco Leon, Stephen J Cutler, Val J Watts, Markus A Lill
Adenylyl cyclase 2 (AC2) is one of nine membrane-bound isoforms of adenylyl cyclase that converts ATP into cyclic AMP (cAMP), an important second messenger molecule. Up-regulation of AC2 is linked to cancers like pancreatic and small intestinal neuroendocrine tumors (NETs). The structures of the various isoforms of adenylyl cyclases are highly homologous, posing a significant challenge to drug discovery efforts for an effective, isoform-selective modulator of AC2. In a previous study, a screen identified a potential isoform-selective and non-competitive inhibitor of AC2, SKF83566...
January 9, 2017: Journal of Chemical Information and Modeling
https://www.readbyqxmd.com/read/28066933/performance-of-magnetic-resonance-imaging-in-pulmonary-fungal-disease-compared-to-high-resolution-computed-tomography
#16
Ana Sartori, Arthur Souza, Matheus Zanon, Klaus Irion, Edson Marchiori, Guilherme Watte, Bruno Hochhegger
To evaluate the performance of magnetic resonance imaging (MRI) compared to computed tomography (CT) in patients diagnosed with pulmonary mycosis. We prospectively included 21 patients diagnosed with pulmonary mycosis between January 2013 and October 2014. Inclusion criteria were presence of respiratory symptoms, histopathological diagnosis of mycosis and absence of mycosis treatment. Reviewers identified one predominant imaging pattern per patient: nodular, reticular or airspace pattern. Afterwards, all CT findings were analysed separately per lobe and compared to MRI...
January 9, 2017: Mycoses
https://www.readbyqxmd.com/read/28065652/the-first-darwinian-phylogenetic-tree-of-plants
#17
Uwe Hoßfeld, Elizabeth Watts, Georgy S Levit
In 1866, the German zoologist Ernst Haeckel (1834-1919) published the first Darwinian trees of life in the history of biology in his book General Morphology of Organisms. We take a specific look at the first phylogenetic trees for the plant kingdom that Haeckel created as part of this two-volume work.
January 5, 2017: Trends in Plant Science
https://www.readbyqxmd.com/read/28065523/a-web-based-registry-for-familial-hypercholesterolaemia
#18
Kathryn R Napier, Jing Pang, Leanne Lamont, Caroline E Walker, Hugh Js Dawkins, Adam A Hunter, Frank M van Bockxmeer, Gerald F Watts, Matthew I Bellgard
Familial hypercholesterolaemia (FH) is the most common and serious monogenic disorder of lipoprotein metabolism that leads to premature coronary heart disease. Patients with FH are often under-treated, and many remain undiagnosed. The deployment of the FH Australasia Network Registry is a crucial component of the comprehensive model of care for FH, which aims to provide a standardised, high-quality and cost-effective system of care that is likely to have the highest impact on patient outcomes. The FH Australasia Network Registry was customised using a registry framework that is an open source, interoperable system that enables the efficient customisation and deployment of national and international web-based disease registries that can be modified dynamically as registry requirements evolve...
November 30, 2016: Heart, Lung & Circulation
https://www.readbyqxmd.com/read/28065487/the-effect-of-unilateral-subthalamic-nucleus-deep-brain-stimulation-on-depression-in-parkinson-s-disease
#19
Elizabeth L Birchall, Harrison C Walker, Gary Cutter, Stephanie Guthrie, Allen Joop, Raima A Memon, Ray L Watts, David G Standaert, Amy W Amara
BACKGROUND: Depression is common in Parkinson's disease (PD) and adversely affects quality of life. Both unilateral and bilateral subthalamic (STN) deep brain stimulation (DBS) effectively treat the motor symptoms of PD, but questions remain regarding the impact of unilateral STN DBS on non-motor symptoms, such as depression. METHODS: We report changes in depression, as measured by the Hamilton Depression Rating Scale (HAMD-17), in 50 consecutive PD patients who underwent unilateral STN DBS...
December 27, 2016: Brain Stimulation
https://www.readbyqxmd.com/read/28064562/new-interpretive-criteria-for-danofloxacin-antibacterial-susceptibility-testing-against-mannheimia-haemolytica-and-pasteurella-multocida-associated-with-bovine-respiratory-disease
#20
Michael T Sweeney, Mark G Papich, Jeffrey L Watts
Danofloxacin is a fluoroquinolone antibacterial agent approved for use in veterinary medicine to treat and control bovine respiratory disease caused by Mannheimia haemolytica or Pasteurella multocida. Susceptible minimal inhibitory concentration (MIC) breakpoint (≤0.25 µg/mL) and disk diffusion interpretive criteria (≥22 mm) values for danofloxacin against M. haemolytica and P. multocida were first approved by the Clinical and Laboratory Standards Institute (CLSI) in 2003. However, intermediate and resistant breakpoint values were not established because only susceptible wild-type populations were evident at the time of breakpoint approvals...
January 1, 2017: Journal of Veterinary Diagnostic Investigation
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