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https://www.readbyqxmd.com/read/28636885/differential-changes-in-the-pharmacokinetics-of-statins-in-collagen-induced-arthritis-rats
#1
Chun-Han Lin, Ke-Wei Hsu, Chia-Hao Chen, Yow-Shieng Uang, Chun-Jung Lin
The elevated systemic levels of cytokines in rheumatoid arthritis (RA) can change the expression of metabolic enzymes and transporters. Given that statins are lipid-lowering agents frequently used in RA patients with concurrent cardiovascular diseases, the objective of the present study was to investigate the impacts of RA on the pharmacokinetics of statins of different disposition properties in rats with collagen-induced arthritis (CIA). The expression of metabolic enzymes and transporters in tissues of CIA rats were analyzed by RT-qPCR...
June 18, 2017: Biochemical Pharmacology
https://www.readbyqxmd.com/read/28636755/technical-note-combination-of-multiple-epid-imager-layers-improves-image-quality-and-tracking-performance-of-low-contrast-to-noise-objects
#2
Stephen Sf Yip, Joerg Rottmann, Haijian Chen, Daniel Morf, Rony Füglistaller, Josh Star-Lack, George Zentai, Ross Berbeco
PURPOSE: We hypothesized that combining multiple amorphous silicon flat panel layers increases photon detection efficiency in an electronic portal imaging device (EPID), improving image quality and tracking accuracy of low contrast targets during radiotherapy METHODS: The prototype imager evaluated in this study contained 4 individually programmable layers each with a copper converter layer, Gd2 O2 S scintillator and active-matrix flat panel imager (AMFPI). The imager was placed on a Varian TrueBeam linac and a Las Vegas phantom programmed with sinusoidal motion (peak-to-peak amplitude=20mm, Period=3...
June 21, 2017: Medical Physics
https://www.readbyqxmd.com/read/28636665/monitoring-obesity-prevalence-in-the-united-states-through-bookmarking-activities-in-online-food-portals
#3
Christoph Trattner, Denis Parra, David Elsweiler
Studying the impact of food consumption on people's health is a serious matter for its implications on public policy, but it has traditionally been a slow process since it requires information gathered through expensive collection processes such as surveys, census and systematic reviews of research articles. We argue that this process could be supported and hastened using data collected via online social networks. In this work we investigate the relationships between the online traces left behind by users of a large US online food community and the prevalence of obesity in 47 states and 311 counties in the US...
2017: PloS One
https://www.readbyqxmd.com/read/28636331/doping-of-graphene-nanoribbons-via-functional-group-edge-modification
#4
Eduard Carbonell-Sanromà, Jeremy Hieulle, Manuel Vilas-Varela, Pedro Brandimarte, Mikel Iraola, Ana Barragán, Jingcheng Li, Mikel Abadía, Martina Corso, Daniel Sanchez-Portal, Diego Peña, Jose Ignacio Pascual
We report on the on-surface synthesis of 7 armchair graphene nanoribbons (7-AGNRs) substituted with nitrile (CN) functional groups. The CN groups are attached to the GNR backbone by modifying the 7-AGNR precursor. While many of these groups survive the on-surface synthesis, the reaction process causes the cleavage of some CN from the ribbon backbone and the on-surface cycloisomerization of few nitriles onto pyridine rings. Scanning Tunneling Spectroscopy and Density Functional Theory reveal that CN groups behave as very efficient n-dopants, significantly downshifting the bands of the ribbon, and introducing deep impurity levels associated to the nitrogen electron lone pairs...
June 21, 2017: ACS Nano
https://www.readbyqxmd.com/read/28635165/therapeutic-targeting-of-the-mitochondrial-reactive-oxygen-species-engine-prevents-portal-hypertension-and-hepatic-fibrogenesis
#5
EDITORIAL
Ralf Weiskirchen
No abstract text is available yet for this article.
July 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28634618/ct-and-mri-findings-in-focal-eosinophilic-infiltration-of-the-liver
#6
Bao-Liang Guo, Qiu-Gen Hu, Fu-Sheng Ouyang, Bin Zhang, Yu-Hao Dong, Xiao-Ning Luo, Zhou-Yang Lian, Shui-Xing Zhang
OBJECTIVES: To investigate the findings of computed tomography (CT) and magnetic resonance imaging (MRI) of focal eosinophilic infiltration (FEI) of the liver. METHODS: A retrospective study including 29 patients with confirmed FEI of the liver was performed. We evaluated the lesions' number, distribution, size, shape, margin, attenuation or signal intensity characteristics, the enhancement pattern, and some special features. Spearman correlation analysis was used to analyze the correlation between the number of lesions and the eosinophil counts in peripheral blood...
June 20, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28634604/semithiobambus-6-uril-is-a-transmembrane-anion-transporter
#7
Chao Lang, Amar Mohite, Xiaoli Deng, Feihu Yang, Zeyuan Dong, Jiayun Xu, Junqiu Liu, Ehud Keinan, Ofer Reany
Semithiobambus[6]uril is shown to be an efficient transmembrane anion transporter. Although all bambusuril analogs (having either O, S or N atoms in their portals) are excellent anion binders, only the sulfur analog is also an effective anion transporter capable of polarizing lipid membranes through selective anion uniport. This notable divergence reflects significant differences in the lipophilic character of the bambusuril analogs.
June 21, 2017: Chemical Communications: Chem Comm
https://www.readbyqxmd.com/read/28634524/a-rare-case-of-pylephlebitis-after-colonic-polypectomy
#8
Salik Nazir, Asad Jehangir, Anam Siddiqui, Niranjan Tachamo, Saroj Lohani, Eugene York
Pylephlebitis or infective suppurative thrombosis of the portal mesenteric venous system is an uncommon condition that can potentially be deadly if not recognized and treated early. Although most commonly associated with pancreatitis and diverticulitis, any intra-abdominal or pelvic infection occurring in the region drained by the portal venous system can cause this rare entity. We report a case of a 75-year-old woman who developed post polypectomy pylephlebitis following colonoscopy, a condition rarely reported in the literature...
January 2017: Journal of Community Hospital Internal Medicine Perspectives
https://www.readbyqxmd.com/read/28633483/an-informatics-research-agenda-to-support-patient-and-family-empowerment-and-engagement-in-care-and-recovery-during-and-after-hospitalization
#9
Sarah Collins, Patricia Dykes, David W Bates, Brittany Couture, Ronen Rozenblum, Jennifer Prey, Kristin O'Reilly, Patricia Q Bourie, Cindy Dwyer, S Ryan Greysen, Jeffery Smith, Michael Gropper, Anuj K Dalal
As part of an interdisciplinary acute care patient portal task force with members from 10 academic medical centers and professional organizations, we held a national workshop with 71 attendees representing over 30 health systems, professional organizations, and technology companies. Our consensus approach identified 7 key sociotechnical and evaluation research focus areas related to the consumption and capture of information from patients, care partners (eg, family, friends), and clinicians through portals in the acute and post-acute care settings...
June 17, 2017: Journal of the American Medical Informatics Association: JAMIA
https://www.readbyqxmd.com/read/28633200/complete-response-of-advanced-hepatocellular-carcinoma-to-sorafenib-another-case-and-a-comprehensive-review
#10
Tae Suk Kim, Ji Hoon Kim, Baek Hui Kim, Young-Sun Lee, Yang Jae Yoo, Seong Hee Kang, Sang-June Suh, Young Kul Jung, Yeon Seok Seo, Hyung Joon Yim, Jong Eun Yeon, Kwan Soo Byun
Since sorafenib was introduced in 2007 for treating advanced hepatocellular carcinoma (HCC), 15 patients have achieved a complete response (CR) in advanced HCC. However, only four of these reports can be regarded as real CRs involving adequate assessments including imaging, serum tumor markers, and histologic examinations of completely resected specimens. A 54-year-old man with hepatitis C virus (HCV)-related liver cirrhosis (LC) presented to our unit. A CT scan demonstrated a 3.8-cm arterial hypervascular/portal-washout mass in the right lobe and invasion in the right portal vein...
June 20, 2017: Clinical and Molecular Hepatology
https://www.readbyqxmd.com/read/28632958/decreased-portal-vein-velocity-is-predictive-of-the-development-of-portal-vein-thrombosis-a-matched-case-control-study
#11
Jonathan G Stine, Jennifer Wang, Puja M Shah, Curtis K Argo, Nicolas Intagliata, Andre Uflacker, Stephen H Caldwell, Patrick G Northup
BACKGROUND & AIMS: Portal vein thrombosis (PVT) in cirrhosis may lead to hepatic decompensation and increased mortality. We aimed to investigate if decreased portal vein (PV) velocity is associated with future PVT. METHODS: Data on adult patients with cirrhosis and PVT between January 1, 2005 and July 30, 2015 were obtained. Cases with PVT were matched by age, gender and Model for End stage Liver Disease (MELD) score to corresponding controls without PVT. Cox proportional hazards models, receiver operator curves and Kaplan Meier curves were constructed...
June 20, 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28632818/benefits-of-islet-transplantation-as-an-alternative-to-pancreas-transplantation-retrospective-study-of-more-than-10-ten-years-of-experience-in-a-single-center
#12
Barbora Voglová, Martina Zahradnická, Peter Girman, Jan Kríž, Zuzana Berková, Tomáš Koblas, Ema Vávrová, Lenka Németová, Lucie Kosinová, David Habart, Eva Fábryová, Eva Dovolilová, Ivan Leontovyc, Tomáš Neškudla, Jan Peregrin, Jozef Kovác, Kvetoslav Lipár, Matej Kocík, Tomáš Marada, Jirí Svoboda, František Saudek
BACKGROUND: Pancreas transplantation (PTx) represents the method of choice in type 1 diabetic patients with conservatively intractable hypoglycemia unawareness syndrome. In 2005, the Institute for Clinical and Experimental Medicine (IKEM) launched a program to investigate the safety potential of islet transplantation (ITx) in comparison to PTx. AIM: This study aims to compare the results of PTx and ITx regarding severe hypoglycemia elimination, metabolic control, and complication rate...
2017: Review of Diabetic Studies: RDS
https://www.readbyqxmd.com/read/28632747/selective-cyclooxygenase-inhibition-by-sc-560-improves-hepatopulmonary-syndrome-in-cirrhotic-rats
#13
Ching-Chih Chang, Wen-Shin Lee, Hsian-Guey Hsieh, Chiao-Lin Chuang, Hui-Chun Huang, Fa-Yauh Lee, Shou-Dong Lee
OBJECTIVE: Hepatopulmonary syndrome (HPS) is characterized by hypoxia in patients with chronic liver disease. The mechanism of HPS includes pulmonary vasodilatation, inflammation, and angiogenesis. Prostaglandins synthesized by cyclooxygenases (COX) participate in vascular responsiveness, inflammation and angiogenesis, which can be modulated by COX inhibitors. We therefore evaluated the impact of COX inhibition in rats with common bile duct ligation (CBDL)-induced liver cirrhosis and HPS...
2017: PloS One
https://www.readbyqxmd.com/read/28632515/p4-stump-approach-for-intraoperative-portal-vein-stenting-in-pediatric-living-donor-liver-transplantation-an-innovative-technique-for-a-challenging-problem
#14
Chao-Long Chen, Yu-Fan Cheng, Viola Huang, Ting-Lung Lin, Yi-Chia Chan, Hsin-You Ou, Chee-Chien Yong, Shih-Ho Wang, Chih-Che Lin
OBJECTIVE: The aim of this study was to evaluate the utility of the P4 stump stenting approach for treating portal vein (PV) complications in pediatric living donor liver transplantation (LDLT). BACKGROUND: PV complications cause significant morbidity and mortality in pediatric LDLT. Biliary atresia in the backdrop of pathological PV hypoplasia and sclerosis heightens the complexity of PV reconstruction. The authors developed a novel approach for intraoperative PV stenting via the graft segment 4 PV stump (P4 stump) to address this challenge...
June 19, 2017: Annals of Surgery
https://www.readbyqxmd.com/read/28632393/the-antinociceptive-agent-sbfi-26-binds-to-anandamide-transporters-fabp5-and-fabp7-at-two-different-sites
#15
Hao-Chi Hsu, Simon Tong, Yuchen Zhou, Matthew W Elmes, Su Yan, Martin Kaczocha, Dale G Deutsch, Robert C Rizzo, Iwao Ojima, Huilin Li
Human FABP5 and FABP7 are intracellular endocannabinoid transporters. SBFI-26 is an -truxillic acid 1-naphthyl monoester that competitively inhibits the activities of FABP5 and FABP7 and produces antinociceptive and anti-inflammatory effects in mice. The synthesis of SBFI-26 yields several stereoisomers, and it is not known how the inhibitor binds the transporters. Here we report co-crystal structures of SBFI-26 in complex with human FABP5 and FABP7 at a resolution of 2.2 Å and 1.9 Å, respectively. We found that only (S)-SBFI-26 was present in the crystal structures...
June 20, 2017: Biochemistry
https://www.readbyqxmd.com/read/28631581/the-writer-s-guide-to-education-scholarship-in-emergency-medicine-education-innovations-part-3
#16
Andrew K Hall, Carly Hagel, Teresa M Chan, Brent Thoma, Aleisha Murnaghan, Farhan Bhanji
OBJECTIVE: The scholarly dissemination of innovative medical education practices helps broaden the reach of this type of work, allowing scholarship to have an impact beyond a single institution. There is little guidance in the literature for those seeking to publish program evaluation studies and innovation papers. This study aims to derive a set of evidence-based features of high-quality reports on innovations in emergency medicine (EM) education. METHODS: We conducted a scoping review and thematic analysis to determine quality markers for medical education innovation reports, with a focus on EM...
June 20, 2017: CJEM
https://www.readbyqxmd.com/read/28631455/the-prognostic-importance-of-chronic-end-stage-diseases-in-geriatric-patients-admitted-to-163-italian-icus
#17
Daniele Poole, Stefano Finazzi, Giovanni Nattino, Danilo Radrizzani, Giuseppe Gristina, Paolo Malacarne, Sergio Livigni, Guido Bertolini
BACKGROUND: The number of elderly patients undergoing major surgical interventions and then needing admission to intensive care unit (ICU) grows steadily. We investigated this issue in a cohort of 232,278 patients admitted in 5 years (2011-2015) to 163 Italian general ICUs. METHODS: Surgical patients older than 75 registered in the GiViTI MargheritaPROSAFE project were analysed. The impact on hospital mortality of important chronic conditions (severe COPD, NYHA class IV, dementia, end-stage renal disease, cirrhosis with portal hypertension) was investigated with two prognostic models developed yearly on patients staying in the ICU less or more than 24 hours...
June 14, 2017: Minerva Anestesiologica
https://www.readbyqxmd.com/read/28631387/umeclidinium-bromide-versus-placebo-for-people-with-chronic-obstructive-pulmonary-disease-copd
#18
REVIEW
Han Ni, Aung Htet, Soe Moe
BACKGROUND: People with chronic obstructive pulmonary disease (COPD) have poor quality of life, reduced survival, and accelerated decline in lung function, especially associated with acute exacerbations, leading to high healthcare costs. Long-acting bronchodilators are the mainstay of treatment for symptomatic improvement, and umeclidinium is one of the new long-acting muscarinic antagonists approved for treatment of patients with stable COPD. OBJECTIVES: To assess the efficacy and safety of umeclidinium bromide versus placebo for people with stable COPD...
June 20, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28631253/portal-branch-ligation-does-not-counteract-the-inhibiting-effect-of-temsirolimus-on-extrahepatic-colorectal-metastatic-growth
#19
Sebastian Senger, Jens Sperling, Barbara Oberkircher, Martin K Schilling, Otto Kollmar, Michael D Menger, Christian Ziemann
The mTor-inhibitor temsirolimus (TEM) has potent anti-tumor activities on extrahepatic colorectal metastases. Treatment of patients with advanced disease may require portal branch ligation (PBL). While PBL can induce intrahepatic tumor growth, the effect of PBL on extrahepatic metastases under TEM treatment is unknown. Therefore, we analyzed the effects of TEM treatment on extrahepatic metastases during PBL-associated liver regeneration. GFP-transfected CT26.WT colorectal cancer cells were implanted into the dorsal skinfold chamber of BALB/c-mice...
June 19, 2017: Clinical & Experimental Metastasis
https://www.readbyqxmd.com/read/28631037/inclusion-bodies-of-aggregated-hemosiderins-in-liver-macrophages
#20
Hisao Hayashi, Yasuaki Tatsumi, Shinya Wakusawa, Ryota Shigemasa, Ryoji Koide, Ken-Ichi Tsuchida, Natsuko Morotomi, Tetsuji Yamashita, Kotaro Kumagai, Yukiya Ono, Kazuhiko Hayashi, Masatoshi Ishigami, Hidemi Goto, Ayako Kato, Koichi Kato
Hemosiderin formation is a structural indication of iron overload. We investigated further adaptations of the liver to excess iron. Five patients with livers showing iron-rich inclusions larger than 2 µm were selected from our database. The clinical features of patients and structures of the inclusions were compared with those of 2 controls with mild iron overload. All patients had severe iron overload with more than 5000 ng/mL of serum ferritin. Etiologies were variable, from hemochromatosis to iatrogenic iron overload...
June 19, 2017: Medical Molecular Morphology
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