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https://www.readbyqxmd.com/read/28100006/the-fingerprint-of-antimitochondrial-antibodies-and-the-etiology-of-primary-biliary-cholangitis
#1
Zongwen Shuai, Jinjun Wang, Madhu Badamagunta, Jinjung Choi, Guoxiang Yang, Weici Zhang, Thomas P Kenny, Kathryn Guggenheim, Mark J Kurth, Aftab A Ansari, John Voss, Ross L Coppel, Pietro Invernizzi, Patrick S C Leung, M Eric Gershwin
The identification of environmental factors that lead to loss of tolerance has been coined the Holy Grail of autoimmunity. Our work has focused on the reactivity of antimitochondrial autoantibodies (AMA) to chemical xenobiotics and has hypothesized that a modified peptide within PDC-E2, the major mitochondrial autoantigen, will have been immunologically recognized at the time of loss of tolerance. Herein we successfully applied intein technology to construct a PDC-E2 protein fragment containing amino acid residues 177-314 of PDC-E2 by joining a recombinant peptide spanning residues 177 to 252 (PDC-228) with a 62 residue synthetic peptide from 253 to 314 (PP), which encompasses PDC-E2 ILD...
January 18, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28097412/acute-pancreatitis-after-percutaneous-biliary-drainage-an-obstacle-in-liver-surgery-for-proximal-biliary-cancer
#2
Nadia Russolillo, Andrea Massobrio, Serena Langella, Roberto Lo Tesoriere, Paolo Carbonatto, Alessandro Ferrero
BACKGROUND: Percutaneous transhepatic biliary drainage (PTBD) has a crucial role in treatment of proximal biliary cancer (PBC). We assessed the incidence, risk factors, and impact of acute pancreatitis (AP) post-PTBD. METHODS: Forty patients with PBC scheduled for PTBD from January 2005 to December 2015 were enrolled. Exclusion criteria were missing clinical data, PTBD performed in other institutions, and palliative PTBD. RESULT: The 40 patients comprised 8 (20%) with gallbladder cancer, 6 (15%) with intrahepatic cholangiocarcinoma, and 26 (65%) with perihilar cholangiocarcinoma...
January 17, 2017: World Journal of Surgery
https://www.readbyqxmd.com/read/28093785/pbc-treatment-options-finally-expand
#3
Cynthia Levy
No abstract text is available yet for this article.
January 17, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28092121/hox-functional-diversity-novel-insights-from-flexible-motif-folding-and-plastic-protein-interaction
#4
Miguel Ortiz-Lombardia, Nicolas Foos, Corinne Maurel-Zaffran, Andrew J Saurin, Yacine Graba
How the formidable diversity of forms emerges from developmental and evolutionary processes is one of the most fascinating questions in biology. The homeodomain-containing Hox proteins were recognized early on as major actors in diversifying animal body plans. The molecular mechanisms underlying how this transcription factor family controls a large array of context- and cell-specific biological functions is, however, still poorly understood. Clues to functional diversity have emerged from studies exploring how Hox protein activity is controlled through interactions with PBC class proteins, also evolutionary conserved HD-containing proteins...
January 16, 2017: BioEssays: News and Reviews in Molecular, Cellular and Developmental Biology
https://www.readbyqxmd.com/read/28087609/role-of-attitudes-and-intentions-in-predicting-adherence-to-oral-diabetes-medications
#5
Emmanuel K Fai, Cheryl Anderson, Victor Ferreros
The purpose of this quantitative study was to investigate the extent to which patient attitudes and intentions predict adherence to the use of oral antihyperglycemic regimens in African Americans. This cross-sectional study of 115 participants used correlation analysis to establish relationships between patient attitudes, intentions, and adherence. Data analyses showed significant correlations between the variables. Multiple regression analysis was used to establish predictions between the variables. A prediction model containing attitudes, subjective norms, and perceived behavioral control (PBC) explained 37% of the variance to behavioral intention...
January 13, 2017: Endocrine Connections
https://www.readbyqxmd.com/read/28078847/real-time-shear-wave-elastrography-and-apri-index-for-evaluating-autoimmune-hepatitis-fibrosis
#6
L L Sun, G Dong, B Wang, Q Zheng, S Wang, R F Zhang
The objective of this study was to investigate the significance of real-time supersonic shear imaging (SSI) and serum biochemical index in evaluating the degree of autoimmune hepatitis fibrosis. Retrospective analysis was carried out to study 291 cases of patients with autoimmune hepatitis, and discuss the value of SSI application, APRI index and bilirubin on autoimmune hepatitis. The area under the receiver operating characteristic curve (AUROC) was taken for statistical analysis to determine its diagnostic accuracy...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28074075/primary-biliary-cholangitis-in-2016-high-definition-pbc-biology-models-and-therapeutic-advances
#7
Gwilym J Webb, Gideon M Hirschfield
No abstract text is available yet for this article.
January 11, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28073410/-correlation-of-fibrotouch-and-fibroscan-with-the-stage-of-primary-biliary-cirrhosis
#8
Y G Zhang, S X Zhao, G D Zhou, W C Li, W G Ren, H J Du, R Q Wang, Y M Nan
Objective: To investigate the diagnostic value of FibroTouch and FibroScan for the stage of primary biliary cirrhosis (PBC). Methods: A total of 66 PBC patients who visited our hospital from January 2014 to March 2016 were enrolled, and all the patients underwent liver biopsy and FibroTouch and FibroScan tests. Liver stiffness measurement (LSM) was used to assess fibrosis degree, and the receiver operating characteristic (ROC) curve was used to compare the cut-off values, sensitivities, and specificities of these two methods in determining fibrosis stage...
December 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/28072948/what-is-the-evidence-that-twenty-five-millilitres-of-gastric-fluid-puts-patients-at-risk-of-aspiration
#9
Pbc Van de Putte, A Perlas
No abstract text is available yet for this article.
January 2017: Anaesthesia and Intensive Care
https://www.readbyqxmd.com/read/28070198/clinical-course-and-genetic-susceptibility-of-primary-biliary-cirrhosis-analysis-of-a-prospective-cohort
#10
Piero Luigi Almasio, Anna Licata, Marcello Maida, Fabio Salvatore Macaluso, Andrea Costantino, Nicola Alessi, Stefania Grimaudo, Giulia Accardi, Calogero Caruso, Antonio Craxi
BACKGROUND: Natural history of primary biliary cirrhosis (PBC) is partially characterized in patients from the Mediterranean area whose genetic background differs from that of Northern Europeans. OBJECTIVES: We aimed to describe genetic susceptibility and clinical course of PBC in patients from Southern Italy. METHODS: Socio-demographic, clinical, biochemical and histological data at diagnosis as well as disease progression of 81 PBC consecutive patients were collected...
November 2016: Hepatitis Monthly
https://www.readbyqxmd.com/read/28062665/genome-wide-association-studies-identify-prkcb-as-a-novel-genetic-susceptibility-locus-for-primary-biliary-cholangitis-in-the-japanese-population
#11
Minae Kawashima, Yuki Hitomi, Yoshihiro Aiba, Nao Nishida, Kaname Kojima, Yosuke Kawai, Hitomi Nakamura, Atsushi Tanaka, Mikio Zeniya, Etsuko Hashimoto, Hiromasa Ohira, Kazuhide Yamamoto, Masanori Abe, Kazuhiko Nakao, Satoshi Yamagiwa, Shuichi Kaneko, Masao Honda, Takeji Umemura, Takafumi Ichida, Masataka Seike, Shotaro Sakisaka, Masaru Harada, Osamu Yokosuka, Yoshiyuki Ueno, Michio Senju, Tatsuo Kanda, Hidetaka Shibata, Takashi Himoto, Kazumoto Murata, Yasuhiro Miyake, Hirotoshi Ebinuma, Makiko Taniai, Satoru Joshita, Toshiki Nikami, Hajime Ota, Hiroshi Kouno, Hirotaka Kouno, Makoto Nakamuta, Nobuyoshi Fukushima, Motoyuki Kohjima, Tatsuji Komatsu, Toshiki Komeda, Yukio Ohara, Toyokichi Muro, Tsutomu Yamashita, Kaname Yoshizawa, Yoko Nakamura, Masaaki Shimada, Noboru Hirashima, Kazuhiro Sugi, Keisuke Ario, Eiichi Takesaki, Atsushi Naganuma, Hiroshi Mano, Haruhiro Yamashita, Kouki Matsushita, Kazuhiko Yamauchi, Fujio Makita, Hideo Nishimura, Kiyoshi Furuta, Naohiro Takahashi, Masahiro Kikuchi, Naohiko Masaki, Tomohiro Tanaka, Sumito Tamura, Akira Mori, Shintaro Yagi, Ken Shirabe, Atsumasa Komori, Kiyoshi Migita, Masahiro Ito, Shinya Nagaoka, Seigo Abiru, Hiroshi Yatsuhashi, Michio Yasunami, Shinji Shimoda, Kenichi Harada, Hiroto Egawa, Yoshihiko Maehara, Shinji Uemoto, Norihiro Kokudo, Hajime Takikawa, Hiromi Ishibashi, Kazuaki Chayama, Masashi Mizokami, Masao Nagasaki, Katsushi Tokunaga, Minoru Nakamura
A previous genome-wide association study (GWAS) performed in 963 Japanese individuals (487 primary biliary cholangitis [PBC] cases and 476 healthy controls) identified TNFSF15 (rs4979462) and POU2AF1 (rs4938534) as strong susceptibility loci for PBC. In this study, we performed GWAS in an additional 1,923 Japanese individuals (894 PBC cases and 1,029 healthy controls), and combined the results with the previous data. This GWAS, together with a subsequent replication study in an independent set of 7,024 Japanese individuals (512 PBC cases and 6,512 healthy controls), identified PRKCB (rs7404928) as a novel susceptibility locus for PBC (odds ratio [OR] = 1...
January 5, 2017: Human Molecular Genetics
https://www.readbyqxmd.com/read/28058240/factors-influencing-exclusive-breastfeeding-among-iranian-mothers-a-longitudinal-population-based-study
#12
Mohsen Saffari, Amir H Pakpour, Hui Chen
Background: Exclusive breastfeeding (EBF) contributes to the health and survival of the newborns. Many factors influence the EBF behavior. This study aimed to identify the determinant factors in order to improve the practice of EBF among Iranian mothers. Methods: A longitudinal study was carried out in 1445 mothers with newborns in Qazvin city, Iran (September 2015-March 2016). Demographic variables as well as the constructs of theory of planned behavior (TBP) were measured by questionnaires. Bivariate analysis using Pearson and Spearman correlation tests with analysis of variance were used to investigate the associations among the variables...
2017: Health Promotion Perspectives
https://www.readbyqxmd.com/read/28056976/a-novel-approach-to-genome-wide-association-analysis-identifies-genetic-associations-with-primary-biliary-cholangitis-and-primary-sclerosing-cholangitis-in-polish-patients
#13
Agnieszka Paziewska, Andrzej Habior, Agnieszka Rogowska, Włodzimierz Zych, Krzysztof Goryca, Jakub Karczmarski, Michalina Dabrowska, Filip Ambrozkiewicz, Bozena Walewska-Zielecka, Marek Krawczyk, Halina Cichoz-Lach, Piotr Milkiewicz, Agnieszka Kowalik, Krzysztof Mucha, Joanna Raczynska, Joanna Musialik, Grzegorz Boryczka, Michal Wasilewicz, Irena Ciecko-Michalska, Malgorzata Ferenc, Maria Janiak, Alina Kanikowska, Rafal Stankiewicz, Marek Hartleb, Tomasz Mach, Marian Grzymislawski, Joanna Raszeja-Wyszomirska, Ewa Wunsch, Tomasz Bobinski, Michal Mikula, Jerzy Ostrowski
BACKGROUND: Primary biliary cholangitis (PBC) and primary sclerosing cholangitis (PSC) are forms of hepatic autoimmunity, and risk for both diseases has a strong genetic component. This study aimed to define the genetic architecture of PBC and PSC within the Polish population. METHODS: Subjects were 443 women with PBC, 120 patients with PSC, and 934 healthy controls recruited from Gastroenterology Departments in various Polish hospitals. Allelotyping employed a pooled-DNA sample-based genome-wide association study (GWAS) approach, using Illumina Human Omni2...
January 6, 2017: BMC Medical Genomics
https://www.readbyqxmd.com/read/28052628/management-of-cholestatic-disease-in-2017
#14
REVIEW
Elsemieke de Vries, Ulrich Beuers
Primary biliary cholangitis (PBC) and primary sclerosing cholangitis (PSC) are the most frequent chronic cholestatic liver diseases and serve as model diseases to discuss the management of cholestasis in 2017 in the lecture that is summarized in this report. PBC and PSC are characterized by inflammation and fibrosis of small intrahepatic (PBC) or larger intra- and/or extrahepatic (PSC) bile ducts. Bile duct damage leads to cholestasis and can progress to liver fibrosis and even cirrhosis. Various genetic, environmental and endogenous factors may contribute to the development of chronic cholestatic liver diseases, but the exact pathogenesis of PBC and PSC has not been clarified...
January 2017: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/28048561/su-f-t-452-influence-of-dose-calculation-algorithm-and-heterogeneity-correction-on-risk-categorization-of-patients-with-cardiac-implanted-electronic-devices-undergoing-radiotherapy
#15
P Iwai, L Nadler Lins
PURPOSE: There is a lack of studies with significant cohort data about patients using pacemaker (PM), implanted cardioverter defibrillator (ICD) or cardiac resynchronization therapy (CRT) device undergoing radiotherapy. There is no literature comparing the cumulative doses delivered to those cardiac implanted electronic devices (CIED) calculated by different algorithms neither studies comparing doses with heterogeneity correction or not. The aim of this study was to evaluate the influence of the algorithms Pencil Beam Convolution (PBC), Analytical Anisotropic Algorithm (AAA) and Acuros XB (AXB) as well as heterogeneity correction on risk categorization of patients...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28048010/su-f-t-216-evaluating-dosimetry-accuracy-of-a-treatment-planning-system-on-small-proton-fields
#16
M Zhang, Z Xiao, J Zou, T Chen, N Yue
PURPOSE: This study is aiming to identify the smallest field size for which a treatment planning system (TPS) can accurately calculate the relative dose distribution. The finding would be used as a guideline to choose the smallest proton field for clinical treatment. METHODS: Mevion S250™ double scattering proton delivery system and Eclipse™ TPS (Varian) with pencil beam convolution (PBC) dose algorithm were used in this study. Square sized fields of 1 cm, 2 cm, 3 cm, 4 cm, 5 cm, and 10 cm were planned on a cubical water phantom with iso-center placed at 10 cm depth...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28044427/comparison-between-real-time-tissue-elastography-and-vibration-controlled-transient-elastography-for-the-assessment-of-liver-fibrosis-and-disease-progression-in-patients-with-primary-biliary-cholangitis
#17
Yohei Koizumi, Masashi Hirooka, Masanori Abe, Yoshio Tokumoto, Osamu Yoshida, Takao Watanabe, Yoshiko Nakamura, Yusuke Imai, Atsushi Yukimoto, Teru Kumagi, Eiji Takeshita, Yoshio Ikeda, Yoichi Hiasa
BACKGROUND: Assessing disease progression in patients with primary biliary cholangitis (PBC) is necessary in order to evaluate therapeutic effectiveness. Therefore, the aims of this study were to evaluate both the diagnostic accuracy of both real-time tissue elastography (RTE) and vibration-controlled transient elastography (VCTE), and the usefulness of hepatic and splenic elasticity as predictive markers for the progression of symptomatic PBC (s-PBC). METHODS: The study participants were 44 patients with PBC...
January 2, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28008998/impaired-hepatic-adaptation-to-chronic-cholestasis-induced-by-primary-sclerosing-cholangitis
#18
Malgorzata Milkiewicz, Marta Klak, Agnieszka Kempinska-Podhorodecka, Anna Wiechowska-Kozlowska, Elzbieta Urasinska, Malgorzata Blatkiewicz, Ewa Wunsch, Elwyn Elias, Piotr Milkiewicz
Pathogenesis of primary sclerosing cholangitis (PSC) may involve impaired bile acid (BA) homeostasis. We analyzed expressions of factors mediating enterohepatic circulation of BA using ileal and colonic (ascending and sigmoid) biopsies obtained from patients with PSC with and without ulcerative colitis (UC) and explanted PSC livers. Two-fold increase of BA-activated farnesoid X receptor (FXR) protein levels were seen in ascending and sigmoid colon of PSC patients with correspondingly decreased apical sodium-dependent BA transporter (ASBT) gene expression...
December 23, 2016: Scientific Reports
https://www.readbyqxmd.com/read/28005239/combination-of-cilostazol-and-probucol-protected-podocytes-from-lipopolysaccharide-induced-injury-by-both-anti-inflammatory-and-anti-oxidative-mechanisms
#19
Peng He, Harukiyo Kawamura, Minoru Takemoto, Yoshiro Maezawa, Takahiro Ishikawa, Ryoichi Ishibashi, Kenichi Sakamoto, Mayumi Shoji, Akiko Hattori, Masaya Yamaga, Shintaro Ide, Kana Ide, Aiko Hayashi, Hirotake Tokuyama, Kazuki Kobayashi, Koutaro Yokote
Podocytes are essential for maintaining kidney glomerular functions. Injuries to podocyte are closely related to the pathological process of proteinuria. However, a treatment for podocyte injury has still not been established. Cilostazol (CSZ) and probucol (PBC) have been shown to possess renoprotective effects. Therefore, we evaluated these drugs in a lipopolysaccharide (LPS)-induced podocyte injury model. 7-week-old female C57BL/6J mice were fed a normal diet or a diet containing 0.3% CSZ, 0.5% PBC, or both for 10 days...
December 22, 2016: Journal of Nephrology
https://www.readbyqxmd.com/read/27999888/imaging-of-autoimmune-hepatitis-and-overlap-syndromes
#20
Neera Malik, Sudhakar K Venkatesh
Autoimmune hepatitis (AIH) is an uncommon, chronic inflammatory, and relapsing liver disease of unknown origin that may lead to liver cirrhosis, hepatocellular carcinoma, liver transplantation, or death. AIH occurs in all age groups and races but can frequently manifest as acute fulminant hepatitis. Clinical presentation of AIH can have features similar to primary sclerosing cholangitis (PSC) and primary biliary cirrhosis (PBC), and these diseases may coexist leading to overlap syndromes. Although histological diagnosis is necessary, imaging features often can demonstrate characteristics that may be helpful to distinguish these diseases...
January 2017: Abdominal Radiology
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