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https://www.readbyqxmd.com/read/28328618/clinical-implications-of-antimitochondrial-antibody-seropositivity-in-autoimmune-hepatitis-a-multicentre-study
#1
Paolo Muratori, Cumali Efe, Luigi Muratori, Ersan Ozaslan, Thomas Schiano, Eric M Yoshida, Alexandra Heurgué-Berlot, Claudine Lalanne, Marco Lenzi, Staffan Wahlin
BACKGROUND/AIM: Antimitochondrial antibody (AMA) positivity is the serological marker of primary biliary cholangitis (PBC), but can also be sporadically detected in autoimmune hepatitis (AIH). Little is known about the clinical significance of AMA in AIH. PATIENTS AND METHODS: We recruited 47 AMA-positive AIH cases from several centres and compared them with 264 well-characterized Italian AIH patients. Cases with any features of PBC were excluded. RESULTS: In univariate analysis, AMA-positive AIH patients were older (46 vs...
March 21, 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28319795/theoretical-study-of-thieno-thiophene-based-low-band-gap-copolymers-and-substituent-effect-on-the-optoelectronic-properties-of-them
#2
Mehri Javan Khoshkholgh, Mohammad Reza Abolhassani, Farah Marsusi
This paper studies donor-acceptor systems which incorporate benzodithiophene (BDT), benzodifuran (BDF) and benzodipyrrole (BDP) units as the electron-rich monomer with TT unit representing the electron-deficient monomer. This research is based on employing density functional theory (DFT) and time-dependent DFT (TD-DFT). The highest occupied molecular orbitals (HOMO) and the lowest unoccupied molecular orbitals (LUMO), HOMO-LUMO gaps and dihedral-angles of these copolymers were calculated using oligomer extrapolation technique and periodic boundary condition (PBC) method...
March 7, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28319742/biochar-provides-a-safe-and-value-added-solution-for-hyperaccumulating-plant-disposal-a-case-study-of-phytolacca-acinosa-roxb-phytolaccaceae
#3
Shengsen Wang, Bin Gao, Yuncong Li, Yong Sik Ok, Chaofeng Shen, Shengguo Xue
In this work, an innovative approach using biochar technology for hyperaccumulator disposal was developed and evaluated. The heavy metal enriched P. acinosa biomass (PBM) was pyrolyzed to produce biochar (PBC). Both PBM and PBC were characterized with X-ray diffraction (XRD) for crystal phases, scanning electron microscopy (SEM) for surface topography, and analyzed for elemental composition and mobility. The results revealed that whewellite, a dominant crystal form in biomass, was decomposed to calcite after pyrolysis...
February 27, 2017: Chemosphere
https://www.readbyqxmd.com/read/28299343/polymorphisms-of-il12rb2-may-affect-the-natural-history-of-primary-biliary-cholangitis-a-single-centre-study
#4
Urszula Wasik, Ewa Wunsch, Gary L Norman, Eirini I Rigopoulou, Dimitrios P Bogdanos, Piotr Milkiewicz, Małgorzata Milkiewicz
Background. Recent GWAS in primary biliary cholangitis (PBC) showed strong associations with SNPs located within interleukin-12 receptor (IL12R) beta-2 (IL12RB2) gene. Aims. We assessed whether genetic variation of IL12RB2 is associated with laboratory and clinical features of PBC. Methods. Genomic DNA was isolated from 306 patients with PBC and 258 age/gender-matched controls. PBC-specific anti-mitochondrial antibodies (AMA) were tested in all subjects by ELISA. Two SNPs, rs3790567 and rs6679356, of IL12RB2 were genotyped using the MGB-TaqMan SNP assay...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28297794/-research-advances-in-autoimmune-liver-diseases-in-2016
#5
B Li, Q X Wang, X Ma
Autoimmune liver diseases are a group of abnormal autoimmune-mediated inflammatory hepatobiliary injuries, mainly including autoimmune hepatitis(AIH), primary biliary cholangitis(PBC), and primary sclerosing cholangitis (PSC). The diagnosis and treatment of autoimmune liver diseases, an important type of non-viral liver disease, have become a prominent issue in hepatology. In 2016, many new advances have been achieved in the clinical and basic research on autoimmune liver diseases, including the phase 3 clinical trial of obeticholic acid, the proposal of UK-PBC risk score, and the research on gut microbiota associated with PSC...
February 20, 2017: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28293754/impact-of-a-teacher-as-coach-model-improving-paraprofessionals-fidelity-of-implementation-of-discrete-trial-training-for-students-with-moderate-to-severe-developmental-disabilities
#6
Rose A Mason, Alana G Schnitz, Howard P Wills, Raia Rosenbloom, Debra M Kamps, Darcey Bast
Ensuring educational progress for students with moderate-to-severe developmental disabilities requires exposure to well executed evidence-based practices. This necessitates that the special education workforce, including paraprofessionals, be well-trained. Yet evidence regarding effective training mechanisms for paraprofessionals is limited. A multiple baseline design across five teachers was used to evaluate the impact of online instructional modules and a Practice-Based Coaching (PBC) model with teacher-as-coach on their paraprofessionals' fidelity of discrete trial training (DTT)...
March 14, 2017: Journal of Autism and Developmental Disorders
https://www.readbyqxmd.com/read/28292671/heavy-metal-bioaccumulation-in-two-passerines-with-differing-migration-strategies
#7
Zoë Cooper, Robert Bringolf, Robert Cooper, Kathy Loftis, Albert L Bryan, James A Martin
Various anthropogenic activities have resulted in concentration of heavy metals and contamination of surrounding environments. Historically, heavy metal contamination at the Savannah River Site (SRS) in South Carolina has resulted from accidental releases of stored waste generated from nuclear weapon production in the early 1950s. Songbirds inhabiting and using resources from these areas have the potential to bioaccumulate metals but there is limited information on metal concentration levels in areas suspected of contamination as well as uncontaminated sites...
March 11, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28292174/extrahepatic-manifestations-of-primary-biliary-cholangitis
#8
REVIEW
Sara L Chalifoux, Peter G Konyn, Gina Choi, Sammy Saab
Primary biliary cholangitis (PBC) is an autoimmune liver disease characterized by progressive destruction of the intrahepatic bile ducts, leading to cholestasis. PBC is known to have both hepatic and extrahepatic manifestations. Extrahepatic manifestations are seen in up to 73% of patients with PBC, with the most common being Sjogren's syndrome, thyroid dysfunction and systemic sclerosis. It is thought that patients with PBC are at increased risk of developing these extrahepatic manifestations, almost all of which are autoimmune, because patients with autoimmune disease are at higher risk of developing another autoimmune condition...
March 16, 2017: Gut and Liver
https://www.readbyqxmd.com/read/28276745/predicting-adherence-to-combination-antiretroviral-therapy-for-hiv-in-tanzania-a-test-of-an-extended-theory-of-planned-behaviour-model
#9
Kasia Banas, Ramsey A Lyimo, Harm J Hospers, Andre van der Ven, Marijn de Bruin
OBJECTIVES: Combination antiretroviral therapy (cART) for HIV is widely available in sub-Saharan Africa. Adherence is crucial to successful treatment. This study aimed to apply an extended theory of planned behaviour (TPB) model to predict objectively measured adherence to cART in Tanzania. DESIGN: Prospective observational study (n = 158) where patients completed questionnaires on demographics (Month 0), socio-cognitive variables including intentions (Month 1), and action planning and self-regulatory processes hypothesised to mediate the intention-behaviour relationship (Month 3), to predict adherence (Month 5)...
February 13, 2017: Psychology & Health
https://www.readbyqxmd.com/read/28273628/terahertz-spectra-of-dna-nucleobase-crystals-a-joint-experimental-and-computational-study
#10
Fang Wang, Dongbo Zhao, Hao Dong, Ling Jiang, Yunfei Liu, Shuhua Li
Terahertz (THz) spectra of DNA nucleobase crystals were experimentally studied by terahertz time domain spectroscopy (THz-TDS), Fourier transform infrared spectroscopy (FTIR), and computationally studied by the generalized energy-based fragmentation approach under periodic boundary conditions (denoted as PBC-GEBF). We analyzed the vibrational spectra of solid-state DNA nucleobases and assigned the corresponding vibrational modes to the main peaks in the experimental spectra with the PBC-GEBF results. The computational results were verified to be in good accordance with the experimental data...
February 21, 2017: Spectrochimica Acta. Part A, Molecular and Biomolecular Spectroscopy
https://www.readbyqxmd.com/read/28273341/still-equivalent-for-dose-calculation-in-the-monte-carlo-era-a-comparison-of-free-breathing-and-average-intensity-projection-ct-datasets-for-lung-sbrt-using-three-generations-of-dose-calculation-algorithms
#11
Kristina Zvolanek, Rongtao Ma, Christina Zhou, Xiaoying Liang, Shuo Wang, Vivek Verma, Xiaofeng Zhu, Qinghui Zhang, Joseph Driewer, Chi Lin, Weining Zhen, Andrew Wahl, Su-Min Zhou, Dandan Zheng
PURPOSE: Inhomogeneity dose modeling and respiratory motion description are two critical technical challenges for lung stereotactic body radiotherapy, an important treatment modality for small size primary and secondary lung tumors. Recent studies revealed lung density-dependent target dose differences between Monte Carlo (Type-C) algorithm and earlier algorithms. Therefore, this study aimed to investigate the equivalence of the two most popular CT datasets for treatment planning, free breathing (FB) and average intensity projection (AIP) CTs, using Type-C algorithms, and comparing with two older generation algorithms (Type-A and Type-B)...
March 8, 2017: Medical Physics
https://www.readbyqxmd.com/read/28265228/echocardiography-and-cardiac-biomarkers-in-patients-with-non-small-cell-lung-cancer-treated-with-platinum-based-chemotherapy
#12
Daniel Omersa, Tanja Cufer, Robert Marcun, Mitja Lainscak
BACKGROUND: Non-small cell lung cancer (NSCLC) is the most common type of lung cancer and remains an important cause of cancer death worldwide. Platinum-based chemotherapy (PBC) for NSCLC can modify outcome while the risk of cardiotoxicity remains poorly researched. We aimed to evaluate the incidence and severity of cardiac injury during PBC in patients with NSCLC and to identify patients at risk. METHODS: This was a single-centre, prospective, observational study of patients with early and advanced stage NSCLC referred for PBC...
March 1, 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/28263563/alkyne-functionalized-coumarin-compound-for-analytic-and-preparative-4-thiouridine-labeling
#13
Katharina Schmid, Maria Adobes-Vidal, Mark Helm
Bioconjugation of RNA is a dynamic field recently reinvigorated by a surge in research on posttranscriptional modification. This work focusses on the bioconjugation of 4-thiouridine, a nucleoside that occurs as a post-transcriptional modification in bacterial RNA, and is used as a metabolic label and for crosslinking purposes in eukaryotic RNA. A newly designed coumarin compound, named 7-propargyloxy-4-bromomethylcoumarin (PBC) is introduced, which exhibits remarkable selectivity for 4-thiouridine. Bearing a terminal alkyne group, it is conductive to secondary bioconjugation via "click chemistry", thereby offering a wide range of preparative and analytical options...
March 6, 2017: Bioconjugate Chemistry
https://www.readbyqxmd.com/read/28263100/decreased-serum-dnase1-activity-in-patients-with-autoimmune-liver-diseases
#14
Nikolaos K Gatselis, Aigli G Vakrakou, Kalliopi Zachou, Theodoros Androutsakos, Kalliopi Azariadis, Gregorios Hatzis, Menelaos N Manoussakis, George N Dalekos
Deoxyribonuclease1 (DNase1) is involved in chromatin degradation of apoptotic cells. Its deficiency results in accumulation of self-DNA, which in turn may induce inflammation and autoimmunity. We assessed for the first time serum DNase1-activity in a large consecutive cohort of treatment-naïve patients with autoimmune liver diseases (ALD). DNase1-activity was determined by single radial enzyme-diffusion (SRED) at diagnosis of 224 patients with autoimmune hepatitis (AIH), 249 with primary biliary cirrhosis (PBC) and 36 with primary sclerosing cholangitis (PSC)...
March 2017: Autoimmunity
https://www.readbyqxmd.com/read/28261581/pbx1-as-pioneer-factor-a-case-still-open
#15
REVIEW
Britta M Grebbin, Dorothea Schulte
Pioneer factors are proteins that can recognize their target sites in barely accessible chromatin and initiate a cascade of events that allows for later transcriptional activation of the respective genes. Pioneer factors are therefore particularly well-suited to initiate cell fate changes. To date, only a small number of pioneer factors have been identified and studied in depth, such as FOXD3/FOXA1, OCT4, or SOX2. Interestingly, several recent studies reported that the PBC transcription factor PBX1 can access transcriptionally inactive genomic loci...
2017: Frontiers in Cell and Developmental Biology
https://www.readbyqxmd.com/read/28261290/prediction-of-oesophageal-varices-in-patients-with-primary-biliary-cirrhosis-by-non-invasive-markers
#16
Lili Gao, Fanping Meng, Jun Cheng, Hanwei Li, Jun Han, Weihui Zhang
INTRODUCTION: Preliminary data suggested that non-invasive methods could be useful to assess presence of oesophageal varices (OV) in liver cirrhosis. The primary objectives were to investigate non-invasive markers for diagnosing and grading OV in patients with primary biliary cirrhosis. MATERIAL AND METHODS: This study included a total of 106 consecutive treatment-naive patients with primary biliary cirrhosis (PBC). Results of physical examination, blood tests, and abdominal ultrasound scan (USS) were measured...
March 1, 2017: Archives of Medical Science: AMS
https://www.readbyqxmd.com/read/28255561/genetic-contribution-to-the-pathogenesis-of-primary-biliary-cholangitis
#17
REVIEW
Satoru Joshita, Takeji Umemura, Eiji Tanaka, Masao Ota
Formerly termed primary biliary cirrhosis, primary biliary cholangitis (PBC) is a chronic and progressive cholestatic liver disease characterized by the presence of antimitochondrial antibodies. Ursodeoxycholic acid (UDCA) therapy is the most effective and approved treatment for PBC and leads to a favorable outcome in the vast majority of cases. Although the etiology of PBC has not yet been elucidated, human leukocyte antigen (HLA) class II alleles have been consistently associated with disease onset for decades...
2017: Journal of Immunology Research
https://www.readbyqxmd.com/read/28252981/psychological-predictors-of-cultural-diversity-support-at-work
#18
Annemarie M F Hiemstra, Eva Derous, Marise Ph Born
OBJECTIVES: As diversity management activities become more prominent worldwide it is important to understand psychological reactions to them to ensure success, but empirical evidence is lacking. This study investigated employees' and managers' intentions and behavior to promote cultural diversity at work in a variety of organizations in the Netherlands, using Ajzen's theory of planned behavior. METHOD: Predictors of intentions to promote cultural diversity at work (N = 670) and actual behavior after 6 months were assessed among managers and employees using self-reports in a 2-wave survey design...
March 2, 2017: Cultural Diversity & Ethnic Minority Psychology
https://www.readbyqxmd.com/read/28252354/microbiological-quality-of-raw-milk-attributable-to-prolonged-refrigeration-conditions
#19
Nuwan R Vithanage, Muditha Dissanayake, Greg Bolge, Enzo A Palombo, Thomas R Yeager, Nivedita Datta
Refrigerated storage of raw milk is a prerequisite in dairy industry. However, temperature abused conditions in the farming and processing environments can significantly affect the microbiological quality of raw milk. Thus, the present study investigated the effect of different refrigeration conditions such as 2, 4, 6, 8, 10 and 12 °C on microbiological quality of raw milk from three different dairy farms with significantly different initial microbial counts. The bacterial counts (BC), protease activity (PA), proteolysis (PL) and microbial diversity in raw milk were determined during storage...
February 2017: Journal of Dairy Research
https://www.readbyqxmd.com/read/28249274/the-emerging-role-of-soluble-adenylyl-cyclase-in-primary-biliary-cholangitis
#20
Jung-Chin Chang, Ulrich Beuers, Ronald P J Oude Elferink
BACKGROUND: Primary biliary cholangitis (PBC; previously referred to as primary biliary cirrhosis) is a chronic fibrosing cholangiopathy with the signature of an autoimmune disease and features of intrahepatic cholestasis. Immunosuppressing treatments are largely unsuccessful. Responsiveness to ursodeoxycholic acid and reduced expression of anion exchanger 2 (AE2) on canalicular membranes and small bile ducts underline the importance of bicarbonate transportation in its disease mechanism...
2017: Digestive Diseases
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