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https://www.readbyqxmd.com/read/27915491/the-effects-of-changes-in-glutathione-levels-through-exogenous-agents-on-intracellular-cysteine-content-and-protein-adduct-formation-in-chronic-alcohol-treated-vl17a-cells
#1
Mathan Kumar S, Madhumitha Haridoss, Kavitha Swaminathan, Ramesh Kumar G, Dahn L Clemens, Aparajita Dey
Alcohol mediated liver injury is associated with changes in the level of the major cellular antioxidant glutathione (GSH). It is interesting to investigate if the changes in intracellular GSH level through exogenous agents affect the intracellular cysteine content and the protein adduct formation indicative of oxidative insult in chronic alcohol treated liver cells. In VL-17A cells treated with 2 mM N- acetyl cysteine (NAC) or 0.1 mM ursodeoxycholic acid (UDCA) plus 100 mM ethanol, an increase in cysteine concentration which was accompanied by decreases in hydroxynonenal (HNE) and glutathionylated protein adducts were observed...
December 4, 2016: Toxicology Mechanisms and Methods
https://www.readbyqxmd.com/read/27913155/early-molecular-stratification-of-high-risk-primary-biliary-cholangitis
#2
Claire Hardie, Kile Green, Laura Jopson, Ben Millar, Barbara Innes, Sarah Pagan, Dina Tiniakos, Jessica Dyson, Muzlifah Haniffa, Venetia Bigley, David E Jones, John Brain, Lucy J Walker
High-risk primary biliary cholangitis (PBC), defined by inadequate response at one year to Ursodeoxycholic acid (UDCA), is associated with disease progression and liver transplantation. Stratifying high-risk patients early would facilitate improved approaches to care. Using long-term follow-up data to define risk at presentation, 6 high-risk PBC patients and 8 low-risk patients were identified from biopsy, transplant and biochemical archival records. Formalin-fixed paraffin-embedded (FFPE) liver biopsies taken at presentation were graded (Scheuer and Nakanuma scoring) and gene expression analysed using the NanoString® nCounter PanCancer Immunity 770-gene panel...
November 21, 2016: EBioMedicine
https://www.readbyqxmd.com/read/27906472/long-term-clinical-impact-and-cost-effectiveness-of-obeticholic-acid-for-the-treatment-of-primary-biliary-cholangitis
#3
Sumeyye Samur, Matthew Klebanoff, Reiner Banken, Daniel S Pratt, Rick Chapman, Daniel A Ollendorf, Anne M Loos, Kathleen Corey, Chin Hur, Jagpreet Chhatwal
: Primary biliary cholangitis (PBC) is a chronic, progressive autoimmune liver disease that mainly affects middle-aged women. Obeticholic acid (OCA), which was recently approved by the Food and Drug Administration for PBC treatment, has demonstrated positive effects on biochemical markers of liver function. Our objective was to evaluate the long-term clinical impact and cost-effectiveness of OCA as a second-line treatment for PBC in combination with ursodeoxycholic acid (UDCA) in adults with an inadequate response to UDCA...
November 7, 2016: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/27898169/cross-sectional-analysis-of-progressive-familial-intrahepatic-cholestasis-in-puerto-rican-children
#4
Dellys M Soler, Antonio I Del Valle, David Fernandez-Lube, Benjamin L Shneider
OBJECTIVE: Specific inherited disorders may be more common in island communities. Prior case reports suggest that cholestatic liver diseases may constitute a group of these inherited disorders in Puerto Rico. A cross-sectional survey of liver diseases in children was conducted to assess this hypothesis. METHODS: A cross-sectional analysis was performed in patients with chronic cholestasis at "Hospital Pediátrico Universitario" in San Juan, Puerto Rico. Ten potential participants with high gamma-glutamyl transpeptidase (GGTP) cholestasis were identified...
December 2016: Puerto Rico Health Sciences Journal
https://www.readbyqxmd.com/read/27896850/zebrafish-larva-as-a-reliable-model-for-in-vivo-assessment-of-membrane-remodeling-involvement-in-the-hepatotoxicity-of-chemical-agents
#5
Normand Podechard, Martine Chevanne, Morgane Fernier, Arnaud Tête, Aurore Collin, Doris Cassio, Olivier Kah, Dominique Lagadic-Gossmann, Odile Sergent
The easy-to-use in vivo model, zebrafish larva, is being increasingly used to screen chemical-induced hepatotoxicity, with a good predictivity for various mechanisms of liver injury. However, nothing is known about its applicability in exploring the mechanism called membrane remodeling, depicted as changes in membrane fluidity or lipid raft properties. The aim of this study was, therefore, to substantiate the zebrafish larva as a suitable in vivo model in this context. Ethanol was chosen as a prototype toxicant because it is largely described, both in hepatocyte cultures and in rodents, as capable of inducing a membrane remodeling leading to hepatocyte death and liver injury...
November 28, 2016: Journal of Applied Toxicology: JAT
https://www.readbyqxmd.com/read/27893675/a-multicenter-randomized-double-blind-trial-comparing-the-efficacy-and-safety-of-tudca-and-udca-in-chinese-patients-with-primary-biliary-cholangitis
#6
Hong Ma, Minde Zeng, Ying Han, Huiping Yan, Hong Tang, Jifang Sheng, Heping Hu, Liufang Cheng, Qing Xie, Youfu Zhu, Guofeng Chen, Zhiliang Gao, Wen Xie, Jiyao Wang, Shanming Wu, Guiqiang Wang, Xiaohui Miao, Xiaoqing Fu, Liping Duan, Jie Xu, Lai Wei, Guangfeng Shi, Chengwei Chen, Minhu Chen, Qin Ning, Chen Yao, Jidong Jia
AIM: Tauroursodeoxycholic acid (TUDCA) is a taurine conjugated form of ursodeoxycholic acid (UDCA) with higher hydrophility. To further evaluate the efficacy and safety of TUDCA for primary biliary cholangitis (PBC), we performed this study on Chinese patients. METHODS: 199 PBC patients were randomly assigned to either 250 mg TUDCA plus UDCA placebo or 250 mg UDCA plus TUDCA placebo, 3 times per day for 24 weeks. The primary endpoint was defined as percentage of patients achieving serum alkaline phosphatase (ALP) reduction of more than 25% from baseline...
November 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27874998/factors-predictive-of-the-efficacy-of-bezafibrate-therapy-in-patients-with-primary-sclerosing-cholangitis
#7
Suguru Mizuno, Hiroyuki Isayama, Kenji Hirano, Takeo Watanabe, Naminatsu Takahara, Hirofumi Kogure, Saburo Matsubara, Yousuke Nakai, Minoru Tada, Kazuhiko Koike
AIM: Primary sclerosing cholangitis (PSC) is a rare cholestatic disease. We previously reported the effects of bezafibrate on elevated hepatobiliary enzyme levels in patients with this disease both retrospectively and prospectively. In this study, we assessed factors predictive of bezafibrate efficacy. METHODS: Twenty-five patients with PSC, who underwent bezafibrate therapy (400 mg per day) from November 2006 to June 2015, were evaluated. Treatment was judged as being effective if the levels of all of the hepatobiliary enzymes decreased after 12 weeks...
November 22, 2016: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/27860118/association-between-serum-soluble-cd14-and-il-8-levels-and-clinical-outcome-in-primary-biliary-cholangitis
#8
Takeji Umemura, Tomohiro Sekiguchi, Satoru Joshita, Tomoo Yamazaki, Naoyuki Fujimori, Soichiro Shibata, Yuki Ichikawa, Michiharu Komatsu, Akihiro Matsumoto, Zakera Shums, Gary L Norman, Eiji Tanaka, Masao Ota
BACKGROUND & AIMS: Primary biliary cholangitis (PBC) is an autoimmune liver disease characterized by portal inflammation and immune-mediated destruction of intrahepatic bile ducts that often leads to liver decompensation and liver failure. Although the biochemical response to ursodeoxycholic acid (UDCA) can predict disease outcome in PBC, few biomarkers have been identified as prognostic tools applicable prior to UDCA treatment. We therefore sought to identify such indicators of long-term outcome in PBC in the Japanese population...
November 17, 2016: Liver International: Official Journal of the International Association for the Study of the Liver
https://www.readbyqxmd.com/read/27837275/role-of-ursodeoxycholic-acid-in-the-prevention-of-gallstone-formation-after-laparoscopic-sleeve-gastrectomy
#9
Emad Abdallah, Sameh Hany Emile, Hossam Elfeki, Mohamed Fikry, Mahmoud Abdelshafy, Ayman Elshobaky, Hesham Elgendy, Waleed Thabet, Mohamed Youssef, Hosam Elghadban, Ahmed Lotfy
PURPOSE: Postoperative cholelithiasis (CL) is a latent complication of bariatric surgery. The aim of this study was to evaluate the role of ursodeoxycholic acid (UDCA) in the prevention of CL after laparoscopic sleeve gastrectomy (LSG). METHODS: This was a retrospective analysis of the prospectively collected data of patients with morbid obesity who underwent LSG. Patients were subdivided into two groups: Group I, which did not receive prophylactic treatment with UCDA after LSG; and Group II, which received UCDA therapy for 6 months after LSG...
November 11, 2016: Surgery Today
https://www.readbyqxmd.com/read/27835982/effectiveness-of-hepatoprotective-drugs-for-anti-tuberculosis-drug-induced-hepatotoxicity-a-retrospective-analysis
#10
Zenya Saito, Yugo Kaneko, Akira Kinoshita, Yusuke Kurita, Kyuto Odashima, Tsugumi Horikiri, Yutaka Yoshii, Aya Seki, Yoshitaka Seki, Hiroshi Takeda, Kazuyoshi Kuwano
BACKGROUND: The effectiveness of hepatoprotective drugs for DIH (drug induced hepatotoxicity) during tuberculosis treatment is not clear. We evaluated the effectiveness of hepatoprotective drugs by comparing the period until the normalization of hepatic enzymes between patients who were prescribed with the hepatoprotective drugs after DIH was occurred and patients who were not prescribed with the hepatoprotective drugs. METHODS: During 2006-2010, 389 patients with active tuberculosis were included in this study...
November 11, 2016: BMC Infectious Diseases
https://www.readbyqxmd.com/read/27825922/ursodeoxycholic-acid-therapy-in-intrahepatic-cholestasis-of-pregnancy-results-in-real-world-conditions-and-factors-predictive-of-response-to-treatment
#11
Yannick Bacq, Matthieu le Besco, Anne-Isabelle Lecuyer, Chantal Gendrot, Jérôme Potin, Christian R Andres, Alexandre Aubourg
BACKGROUND: Ursodeoxycholic acid (UDCA) therapy is commonly used in intrahepatic cholestasis of pregnancy (ICP). AIM: To evaluate the efficacy and tolerance of UDCA in real-world conditions and to search for factors predictive of response to treatment. METHODS: This observational study included 98 consecutive patients suffering from pruritus during pregnancy associated with increased ALT levels or total bile acid (TBA) concentrations, without other causes of cholestasis...
October 20, 2016: Digestive and Liver Disease
https://www.readbyqxmd.com/read/27806795/-infantile-cholestasis-caused-by-cftr-mutation-case-report-and-literature-review
#12
L Li, N L Wang, J Y Gong, J S Wang
Objective: To study the clinical presentation, biochemical features and genetic analysis of an infant with cholestasis related to the CFTR mutations. Method: The clinical presentation, laboratory investigations and management of a case with infantile cholestasis caused by CFTR mutations were summarized and the relevant literature was reviewed. Result: (1) The patient was a 5 months old boy with cholestasis which developed in neonatal period with delayed meconium exclusion.The laparoscopic exploration was performed to exclude biliary atresia because of acholic stool when he was two months old...
November 2, 2016: Zhonghua Er Ke za Zhi. Chinese Journal of Pediatrics
https://www.readbyqxmd.com/read/27799965/ursodeoxycholic-acid-and-s-adenosylmethionine-for-the-treatment-of-intrahepatic-cholestasis-of-pregnancy-a-meta-analysis
#13
REVIEW
Yang Zhang, Linlin Lu, David W Victor, Yongning Xin, Shiying Xuan
CONTEXT: An optimal therapeutic strategy has not yet been identified for the pharmacological treatment of intrahepatic cholestasis of pregnancy (ICP). The aim of this study was to evaluate the efficacy and safety of ursodeoxycholic acid (UDCA) and S-adenosylmethionine (SAMe) in the treatment of ICP, both individually and in combination. EVIDENCE ACQUISITION: A meta-analysis of all randomized controlled trials (RCTs) comparing UDCA, SAMe, and combination therapy was performed...
August 2016: Hepatitis Monthly
https://www.readbyqxmd.com/read/27795804/hepatic-sarcoidosis-a-case-series
#14
Rym Ennaifer, Shema Ayadi, Hayfa Romdhane, Myriam Cheikh, Houda Ben Nejma, Wassila Bougassas, Najet Bel Hadj
Sarcoidosis is a systemic non caseous granulomas disease. Liver is a common location but usually asymptomatic. Evidence based guidelines for this location treatment is lacking and the effect of corticosteroids may be inadequate. The aim of our study was to describe the clinical, biochemical, radiological and therapeutic features of seven patients with systemic sarcoidosis and liver involvement. A retrospective and descriptive monocentric study, over 3 years, including seven patients with systemic sarcoidosis and liver involvement...
2016: Pan African Medical Journal
https://www.readbyqxmd.com/read/27777888/ursodeoxycholic-acid-in-treatment-of-non-cholestatic-liver-diseases-a-systematic-review
#15
Jillian Reardon, Trana Hussaini, Majid Alsahafi, Vladimir Marquez Azalgara, Siegfried R Erb, Nilufar Partovi, Eric M Yoshida
Aims: To systematically evaluate the literature for evidence to support the use of bile acids in non-cholestatic liver conditions. Methods: Searches were conducted on the databases of Medline (1948-March 31, 2015), Embase (1980-March 31, 2015) and the Cochrane Central Register of Controlled Trials, and on Google and Google Scholar to identify articles describing ursodeoxycholic acid (UDCA) and its derivatives for non-cholestatic hepatic indications. Combinations of the following search terms were used: ursodeoxycholic acid, ursodiol, bile acids and/or salts, non alcoholic fatty liver, non alcoholic steatohepatitis, fatty liver, alcoholic hepatitis, alcohol, liver disease, autoimmune, autoimmune hepatitis, liver transplant, liver graft, transplant rejection, graft rejection, ischemic reperfusion injury, reperfusion injury, hepatitis B, hepatitis C, viral hepatitis, chronic hepatitis, acute hepatitis, transaminases, alanine transaminase, liver enzymes, aspartate aminotransferase, gamma-glutamyl transferase, gamma-glutamyl transpeptidase, bilirubin, alkaline phosphatase...
September 28, 2016: Journal of Clinical and Translational Hepatology
https://www.readbyqxmd.com/read/27755231/clinical-significance-of-the-scheuer-histological-staging-system-for-primary-biliary-cholangitis-in-japanese-patients
#16
Tadashi Namisaki, Kei Moriya, Mitsuteru Kitade, Hideto Kawaratani, Kosuke Takeda, Yasushi Okura, Hiroaki Takaya, Norihisa Nishimura, Kenichiro Seki, Kosuke Kaji, Shinya Sato, Yasuhiko Sawada, Junichi Yamao, Akira Mitoro, Masakazu Uejima, Tsuyoshi Mashitani, Naotaka Shimozato, Keisuke Nakanishi, Masanori Furukawa, Soichiro Saikawa, Takuya Kubo, Hitoshi Yoshiji
BACKGROUND: Inadequate response to ursodeoxycholic acid (UDCA) is associated with unfavorable outcomes in patients with primary biliary cholangitis (PBC). We aimed to identify surrogate markers for predicting long-term prognosis and biochemical response to UDCA in patients with PBC. PATIENTS AND METHODS: In this single-center, retrospective study, 99 patients with PBC were classified into responders (n=53) and nonresponders (n=46) based on reductions in the γ-glutamyl transpeptidase levels at 1 year after initiating UDCA therapy (Nara criteria)...
January 2017: European Journal of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/27749550/evaluating-the-effectiveness-and-safety-of-ursodeoxycholic-acid-in-treatment-of-intrahepatic-cholestasis-of-pregnancy-a-meta-analysis-a-prisma-compliant-study
#17
Xiang Kong, Yan Kong, Fangyuan Zhang, Tingting Wang, Jin Yan
BACKGROUND: Intrahepatic cholestasis of pregnancy (ICP) is a specific pregnancy-related disorder without standard medical therapies. Ursodeoxycholic acid (UDCA) is the most used medicine, but the efficacy and safety of UDCA remain uncertain. Several meta-analyses had been made to assess the effects of UDCA in ICP. However, the samples were not large enough to convince obstetricians to use UDCA. We conducted a meta-analysis to evaluate the effects and safety of UDCA in patients with ICP, which included only randomized controlled trials (RCTs)...
October 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27743861/udca-and-cdca-alleviate-17%C3%AE-ethinylestradiol-induced-cholestasis-through-pka-ampk-pathways-in-rats
#18
Xiaojiaoyang Li, Zihang Yuan, Runping Liu, Hozeifa M Hassan, Hang Yang, Rong Sun, Luyong Zhang, Zhenzhou Jiang
Estrogen-induced cholestasis, known as intrahepatic cholestasis of pregnancy (ICP), is an estrogen-related liver disease that is widely recognized as female or pregnancy-specific. Our previous findings showed that the synthetic estrogen, 17α-ethinylestradiol (EE), induced cholestatic injury through ERK1/2-LKB1-AMP-activated protein kinase (AMPK) signaling pathway and its mediated suppression of farnesoid X receptor (FXR). To investigate the role played by bile acids in EE-induced cholestasis, we evaluated the effects of chenodeoxycholic acid (CDCA), ursodeoxycholic acid (UDCA) and deoxycholic acid (DCA) on sandwich cultured rat primary hepatocytes (SCRHs) and an in vivo rat model...
October 12, 2016: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/27729186/a-fluorescent-analogue-of-tauroursodeoxycholic-acid-reduces-er-stress-and-is-cytoprotective
#19
Jason Gavin, Fran Quilty, Ferenc Majer, Georgina Gilsenan, Anne Marie Byrne, Aideen Long, Gabor Radics, John F Gilmer
Tauroursodeoxycholic acid (TUDCA) is a cytoprotective ER stress inhibitor and chemical chaperone. It has therapeutic potential in a wide array of diseases but a specific macromolecular target or molecular mechanism of action remains obscure. This Letter describes an effective new synthetic approach to taurine conjugation of bile acids which we used to prepare 3α-dansyl TUDCA (4) as a probe for TUDCA actions. As a model of ER stress we used the hepatocarcinoma cell line HUH7 and stimulation with either deoxycholic acid (DCA, 200μM) or tunicamycin (5μg/ml) and measured levels of Bip/GRP78, ATF4, CHOP and XBP1s/XBP1u...
June 23, 2016: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/27707675/serum-proteomic-signatures-as-biomarkers-of-primary-biliary-cirrhosis-diagnosis-and-prognosis
#20
Bruno Baudin, Arnaud Bruneel, Raoul Poupon, Michel Vaubourdolle
Primary biliary cirrhosis (PBC) is a chronic cholestatic liver disease considered as an autoimmune disease. To identify new biomarkers of PBC, serum profiling analysis using Surface-enhanced laser desorption/ionization time-of-flight mass spectrometry (SELDI-TOF-MS) was employed. Twelve patients with either asymptomatic PBC (group 1, n=6) or PBC with a poor response to UDCA (group 2, n=6), were compared to healthy controls (group 3, n=6). Analysing the 18 sera by using four SELDI-TOF arrays under various conditions, we found four biomarkers of PBC at 5...
October 1, 2016: Annales de Biologie Clinique
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