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https://www.readbyqxmd.com/read/28195199/pemafibrate-a-novel-selective-peroxisome-proliferator-activated-receptor-alpha-modulator-improves-the-pathogenesis-in-a-rodent-model-of-nonalcoholic-steatohepatitis
#1
Yasushi Honda, Takaomi Kessoku, Yuji Ogawa, Wataru Tomeno, Kento Imajo, Koji Fujita, Masato Yoneda, Toshiaki Takizawa, Satoru Saito, Yoji Nagashima, Atsushi Nakajima
The efficacy of peroxisome proliferator-activated receptor α-agonists (e.g., fibrates) against nonalcoholic fatty liver disease (NAFLD)/nonalcoholic steatohepatitis (NASH) in humans is not known. Pemafibrate is a novel selective peroxisome proliferator-activated receptor α modulator that can maximize the beneficial effects and minimize the adverse effects of fibrates used currently. In a phase-2 study, pemafibrate was shown to improve liver dysfunction in patients with dyslipidaemia. In the present study, we first investigated the effect of pemafibrate on rodent models of NASH...
February 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28181486/high-expression-of-akr1b10-predicts-low-risk-of-early-tumor-recurrence-in-patients-with-hepatitis-b-virus-related-hepatocellular-carcinoma
#2
Yan-Yan Wang, Lu-Nan Qi, Jian-Hong Zhong, Hong-Gui Qin, Jia-Zhou Ye, Shi-Dong Lu, Liang Ma, Bang-De Xiang, Le-Qun Li, Xue-Mei You
To clarify the relationship between aldo-keto reductase family 1 member B10 (AKR1B10) expression and early hepatocellular carcinoma (HCC) recurrence, this study detected AKR1B10 expression in tumor and adjacent non-tumor tissues from 110 patients with hepatitis B virus (HBV)-related HCC underwent liver resection and analyzed its correlations with clinicopathological characteristics and prognosis of these patients. Detected by quantitative reverse transcription polymerase chain reaction, AKR1B10 mRNA expression showed significantly higher in HCC tissues than in adjacent non-tumor tissues, with a low level in normal liver tissues...
February 9, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28178643/elevated-serum-visfatin-levels-are-associated-with-poor-prognosis-of-hepatocellular-carcinoma
#3
Yifan Sun, Shengbo Zhu, Zhitong Wu, Yiyong Huang, Chunming Liu, Shifu Tang, Lili Wei
Visfatin is considered a pro-inflammatory adipocytokine, and it is commonly increased in obesity-related diseases. This study aimed to evaluate the levels of serum visfatin in patients with hepatocellular carcinoma (HCC) and its diagnostic and predictive value in detecting HCC. Fasting serum levels of visfatin of 135 HCC patients, 115 chronic hepatitis B (CHB) patients, 129 liver cirrhosis (LC) patients, and 149 healthy controls were determined via enzyme-linked immunosorbent assay. Meanwhile, serum alpha fetal protein (AFP) and interleukin-6 (IL-6) were also assayed...
February 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28166367/liver-injury-and-endotoxemia-in-male-and-female-alcohol-dependent-individuals-admitted-to-an-alcohol-treatment-program
#4
Irina A Kirpich, Craig J McClain, Vatsalya Vatsalya, Melanie Schwandt, Monte Phillips, K Cameron Falkner, Lucy Zhang, Catey Harwell, David T George, John C Umhau
BACKGROUND: Interactions between the liver, the gut, and the immune system are critical components of alcoholic liver disease (ALD). The aim of this study was to explore the associations between alcohol-induced liver injury, endotoxemia, and inflammation at admission and over time during abstinence, as well as to examine the sex-related differences in these parameters in alcohol-dependent individuals admitted to an alcohol treatment program. METHODS: A cohort of 48 otherwise healthy participants with alcohol use disorder, but no clinical signs of alcoholic liver injury (34 males (M)/14 females (F)) admitted to an alcohol detoxification program, was stratified into two groups based on baseline plasma alanine aminotransferase (ALT) levels (as a marker of liver injury)...
February 6, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28151059/the-synergistic-effect-of-tnf%C3%AE-%C3%A2-308%C3%A2-g-a-and-tgf%C3%AE-1%C3%A2-509%C3%A2-c-t-polymorphisms-on-hepatic-fibrosis-progression-in-hepatitis-c-virus-genotype-4-patients
#5
Noha G Bader El Din, Sally Farouk, Reem El-Shenawy, Mostafa M Elhady, Marwa K Ibrahim, Reham M Dawood, Ahmed M Salem, Mostafa K El Awady
Tumor necrosis factor-alpha (TNFα) and transforming growth factor-beta (TGFβ1) cytokines are highly implicated in liver fibrosis. Polymorphisms in these cytokines affect their expression, secretion, and activity. This study aimed to evaluate the influence of TNFα -308 G/A and TGFβ1 -509 C/T polymorphism on hepatic fibrosis progression in Egyptian patients with hepatitis C virus (HCV) genotype 4. Genotyping of TNFα -308 G/A and TGFβ1 -509 C/T was performed using polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) analysis in 122 subjects (50 healthy controls and 72 HCV patients)...
February 2, 2017: Viral Immunology
https://www.readbyqxmd.com/read/28144388/hepatic-structural-enhancement-and-insulin-resistance-amelioration-due-to-at1-receptor-blockade
#6
EDITORIAL
Vanessa Souza-Mello
Over the last decade, the role of renin-angiotensin system (RAS) on the development of obesity and its comorbidities has been extensively addressed. Both circulating and local RAS components are up-regulated in obesity and involved in non-alcoholic fatty liver disease onset. Pharmacological manipulations of RAS are viable strategies to tackle metabolic impairments caused by the excessive body fat mass. Renin inhibitors rescue insulin resistance, but do not have marked effects on hepatic steatosis. However, angiotensin-converting enzyme inhibitors and angiotensin receptor blockers (ARB) yield beneficial hepatic remodeling...
January 18, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28108341/molecular-cloning-genomic-structure-polymorphism-analysis-and-recombinant-expression-of-a-%C3%AE-1-antitrypsin-like-gene-from-swamp-eel-monopterus-albus
#7
Wei Li, Quanhe Wang, Shaobin Li, Ao Jiang, Wenxiu Sun
Alpha-1-antitrypsin (AAT) is a highly polymorphic glycoprotein antiprotease, involved in the regulation of human immune response. Beyond some genomic characterization and a few protein characterizations, the function of teleost AAT remains uncertain. In this study we cloned an AAT-like gene from a swamp eel liver identifying four exons and three introns, and the full-length cDNA. The elucidated swamp eel AAT amino acid sequence showed high homology with known AATs from other teleosts. The swamp eel AAT was examined both in ten healthy tissues and in four bacterially-stimulated tissues resulting in up-regulation of swamp eel AAT at different times...
January 17, 2017: Fish & Shellfish Immunology
https://www.readbyqxmd.com/read/28099509/a-comparative-study-on-antioxidant-system-in-fish-hepatopancreas-and-intestine-affected-by-choline-deficiency-different-change-patterns-of-varied-antioxidant-enzyme-genes-and-nrf2-signaling-factors
#8
Pei Wu, Yang Liu, Wei-Dan Jiang, Jun Jiang, Juan Zhao, Yong-An Zhang, Xiao-Qiu Zhou, Lin Feng
The liver and intestine are susceptible to the oxidative damage which could result in several diseases. Choline deficiency induced oxidative damage in rat liver cells. Thus, this study aimed to investigate the potential molecular mechanisms responsible for choline deficiency-induced oxidative damage. Juvenile Jian carp were fed diets differing in choline content [165 (deficient group), 310, 607, 896, 1167 and 1820 mg/kg diet] respectively for 65 days. Oxidative damage, antioxidant enzyme activities and related gene expressions in the hepatopancreas and intestine were measured...
2017: PloS One
https://www.readbyqxmd.com/read/28098910/hydrogen-rich-saline-improves-non%C3%A2-alcoholic-fatty-liver-disease-by-alleviating-oxidative-stress-and-activating-hepatic-ppar%C3%AE-and-ppar%C3%AE
#9
Xiao Zhai, Xiao Chen, Jiancan Lu, Yaping Zhang, Xuejun Sun, Qin Huang, Qijin Wang
Non-alcoholic fatty liver disease (NAFLD) comprises a range of liver diseases, between steatosis and non‑alcoholic steatohepatitis and liver cirrhosis, which are closely associated with diabetes mellitus. Previous studies have indicated that oxidative stress is a key factor in the development of NAFLD. Molecular hydrogen (H2) may ameliorate oxidative stress injuries by selectively neutralizing peroxynitrite and hydroxyl radicals. The present study evaluated the effects of H2 on NAFLD in rats and concluded that H2‑rich saline had significant therapeutic effects on NAFLD induced by hyperglycemia and hyperlipidemia, as demonstrated by hematoxylin and eosin and terminal deoxynucleotidyl-transferase‑mediated dUTP nick end labeling staining...
January 13, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28088462/activation-of-the-hypoxia-inducible-factor-1-alpha-subunit-pathway-in-steatotic-liver-contributes-to-formation-of-cholesterol-gallstones
#10
Yoichiro Asai, Tetsuya Yamada, Sohei Tsukita, Kei Takahashi, Masamitsu Maekawa, Midori Honma, Masanori Ikeda, Keigo Murakami, Yuichiro Munakata, Yuta Shirai, Shinjiro Kodama, Takashi Sugisawa, Yumiko Chiba, Yasuteru Kondo, Keizo Kaneko, Kenji Uno, Shojiro Sawada, Junta Imai, Yasuhiro Nakamura, Hiroaki Yamaguchi, Kozo Tanaka, Hironobu Sasano, Nariyasu Mano, Yoshiyuki Ueno, Tooru Shimosegawa, Hideki Katagiri
BACKGROUND AND AIMS: Hypoxia inducible factor 1 alpha subunit (HIF1A) is a transcription factor that controls the cellular response to hypoxia and is activated in hepatocytes of patients with non-alcoholic fatty liver disease (NAFLD). NAFLD increases risk for cholesterol gallstone disease by unclear mechanisms. We studied the relationship between HIF1A and gallstone formation associated with liver steatosis. METHODS: We performed studies with mice with inducible disruption of Hif1a in hepatocytes, via a Cre adenoviral vector (iH-HIFKO mice), and mice without disruption of Hif1a (control mice)...
January 11, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28077274/the-role-and-regulation-of-the-peroxisome-proliferator-activated-receptor-alpha-in-human-liver
#11
REVIEW
Sander Kersten, Rinke Stienstra
The peroxisome proliferator-activated receptor α (PPARα) is a ligand-activated transcription factor that is abundantly expressed in liver. PPARα is activated by fatty acids and various other lipid species, as well as by a class of chemicals referred to as peroxisome proliferators. Studies in mice have shown that PPARα serves as the master regulator of hepatic lipid metabolism during fasting. In addition, PPARα suppresses inflammation and the acute phase response. Comparatively little is known about PPARα in human liver...
January 7, 2017: Biochimie
https://www.readbyqxmd.com/read/28067024/treatment-with-alpha-galactosylceramide-protects-mice-from-early-onset-of-non-alcoholic-steatohepatitis-role-of-intestinal-barrier-function
#12
Anna Janina Engstler, Cathrin Sellmann, Cheng Jun Jin, Annette Brandt, Kathleen Herz, Josephine Priebs, Ina Bergheim
SCOPE: The role of invariant natural killer T cells in the development of non-alcoholic steatohepatitis (NASH) has not yet been fully understood. Here, the effect of the invariant natural killer T cell activator alpha-galactosylceramide (αGalCer) on the development of non-alcoholic fatty liver disease and intestinal barrier function was assessed in a mouse model of early Western-style diet (WSD)-induced NASH. METHODS AND RESULTS: Female C57BL/6J mice were either fed a liquid control diet or a liquid fructose-enriched WSD for 6 weeks while being treated 3-times weekly with αGalCer (2 μg i...
January 9, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28055129/long-term-ethanol-exposure-decreases-the-endotoxin-induced-hepatic-acute-phase-response-in-rats
#13
Emilie Glavind, Hendrik Vilstrup, Henning Grønbaek, Stephen Hamilton-Dutoit, Nils Erik Magnusson, Karen Louise Thomsen
BACKGROUND: Long-term excess alcohol intake predisposes to infectious diseases. The hepatic acute phase response is a component of the innate immune system and is part of the first line of defense against invading pathogens, which may be compromised by alcohol. We aimed to investigate whether an induced acute phase response is impaired in long-term ethanol-fed rats. METHODS: For six weeks, rats were either fed a Lieber-DeCarli ethanol-containing (36% as calories) liquid diet ad libitum or calorically pair-fed...
January 5, 2017: Alcoholism, Clinical and Experimental Research
https://www.readbyqxmd.com/read/28053854/identification-of-a-novel-alpha1-antitrypsin-variant
#14
Camille de Seynes, C Ged, H de Verneuil, N Chollet, M Balduyck, C Raherison
Alpha-1-antitrypsin deficiency (A1ATD) is a genetic condition caused by SERPINA1 mutations, which results into decreased protease inhibitor activity in the serum and predisposes to emphysema and/or to liver disease due to accumulation of the abnormal protein in the hepatic cells. In most cases the clinical manifestations of A1ATD are associated with PIZZ (p.Glu366Lys; p.Glu366Lys (p.Glu342Lys; p.Glu342Lys)) or PISZ (p.Glu288Val; p.Glu366Lys (p.Glu264Val; p.Glu342Lys)) genotype, less frequently, deficient or null alleles may be present in compound heterozygous or homozygous A1AT deficient patients...
2017: Respiratory Medicine Case Reports
https://www.readbyqxmd.com/read/28049244/false-positive-diagnosis-of-hepatocellular-carcinoma-in-liver-resection-patients
#15
Hongeun Lee, Jeong Hee Yoon, Hyeyoung Kim, Nam Joon Yi, Suk Kyun Hong, Kyung Chul Yoon, Hyo Sin Kim, Sung Woo Ahn, Jin Young Choi, Youngrok Choi, Hae Won Lee, Ju Yeon Yi, Kyoung Bun Lee, Kwang Woong Lee, Kyung Suk Suh
The diagnosis of hepatocellular carcinoma (HCC) is based on imaging studies particularly in high-risk patients without histologic confirmation. This study evaluated the prevalence and characteristics of false-positively diagnosed HCC in a liver resection cohort for HCC. A retrospective review was performed of 837 liver resection cases for clinically diagnosed HCC between 2005 and 2010 at our institute. High-risk patients with tumors > 1 cm with one or two image findings consistent with HCC and tumors < 1 cm with two or more image findings consistent with HCC with persistently increased serum alpha-fetoprotein (AFP) levels above the normal range with underlying inhibited hepatitis activity underwent liver resection...
February 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28048872/we-fg-bra-10-radiodosimetry-of-a-novel-alpha-particle-therapy-targeted-to-uveal-melanoma-absorbed-dose-to-organs-in-mice
#16
Christopher J Tichacek, Narges K Tafreshi, Mikalai M Budzevich, Epifanio Ruiz, Thaddeus J Wadas, Mark L McLaughlin, Eduardo G Moros, David L Morse
PURPOSE: The melanocortin-1 receptor (MC1R) is expressed in 94% of uveal melanomas and is described as an ideal target for this untreatable disease. MC1RL is a high affinity MC1R specific peptidomimetic ligand that can serve as a scaffold for therapeutic conjugates such as alpha particle emitting isotopes. The purpose of this study was to assess normal tissue distribution and risk as a result of using the DOTA chelator conjugated to MC1RL to deliver (225) Ac: MC1RL-DOTA-(225) Ac. METHODS: 17 non-tumor bearing BALB/c mice were intravenously injected with the novel MC1RL-DOTA-(225) Ac radiopharmaceutical with an average initial administered activity of 2...
June 2016: Medical Physics
https://www.readbyqxmd.com/read/28045767/autophagy-in-hepatocytes-in-infants-with-alpha-1-atd-and-different-liver-disease-outcomes-a-retrospective-analysis
#17
Elżbieta Czarnowska, Agnieszka Bakuła, Joanna B Bierła, Justyna Niderla-Bielińska, Agnieszka Sowińska, Joanna Cielecka-Kuszyk, Piotr Socha
OBJECTIVES: It is unclear whether a distinct activity of pathways removing the AT protein in Alpha-1-Antitrypsin Deficiency (α1ATD) are associated with an unfavorable predisposition toliver disease in the future. The aim of this study was to determine whether liverspecific activity of AT protein disposal occurs at infancy in α1ATD with PiZZ phenotype (ATZ). METHODS: Liver samples of 17 infants with unfavorable ATZ outcome (Group I, n = 8, median age  = 0...
December 30, 2016: Journal of Pediatric Gastroenterology and Nutrition
https://www.readbyqxmd.com/read/28044208/hepatic-vagus-nerve-regulates-kupffer-cell-activation-via-%C3%AE-7-nicotinic-acetylcholine-receptor-in-nonalcoholic-steatohepatitis
#18
Takahiro Nishio, Kojiro Taura, Keiko Iwaisako, Yukinori Koyama, Kazutaka Tanabe, Gen Yamamoto, Yukihiro Okuda, Yoshinobu Ikeno, Kenji Yoshino, Yosuke Kasai, Masayuki Okuno, Satoru Seo, Takaki Sakurai, Masataka Asagiri, Etsuro Hatano, Shinji Uemoto
BACKGROUND: Nonalcoholic fatty liver disease ranges from simple steatosis to nonalcoholic steatohepatitis (NASH). Kupffer cells play a central role in promoting hepatic inflammation, which leads to the development of NASH. We investigated the anti-inflammatory effect of hepatic vagus-mediated stimulation of the α7 nicotinic acetylcholine receptor (α7nAChR) on Kupffer cells in NASH pathogenesis. METHODS: Wild-type (WT) mice undergoing hepatic vagotomy (HV) were fed a methionine- and choline-deficient (MCD) diet for 1 week...
January 2, 2017: Journal of Gastroenterology
https://www.readbyqxmd.com/read/28033293/transarterial-embolization-chemoembolization-therapy-for-hepatocellular-carcinoma-fed-by-adrenal-artery-preliminary-results
#19
MULTICENTER STUDY
Shibing Hu, Jianfei Tu, Zhongzhi Jia, Yuanquan Huang, Guomin Jiang
To assess the value of transarterial embolization/chemoembolization (TAE/TACE) therapy via adrenal artery for patients with hepatocellular carcinoma (HCC). Patients with HCC who underwent TAE/TACE therapy via adrenal artery between May 2003 and October 2015 across 4 medical centers were identified. Clinical information, procedural data, and imaging data were analyzed to assess technical success, disease control, and survival rates. A t test was used to compare the differences in serum alpha-fetoprotein before and after treatment...
December 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28031722/low-plce1-levels-are-correlated-with-poor-prognosis-in-hepatocellular-carcinoma
#20
Ya Cheng, Song-Ge Xing, Wei-Dong Jia, Mei Huang, Na-Na Bian
BACKGROUND: Previous reports show that phospholipase C epsilon-1 (PLCE1) expression is positively correlated with esophageal squamous cell carcinoma and gastric cardia adenocarcinomas; however, the expression of PLCE1 in hepatocellular carcinoma (HCC) and its correlation with clinical outcome still remain unclear. The aim of this study was to explore the expression of PLCE1 in HCC tissue and to determine whether PLCE1 was a prognostic factor for HCC patients. MATERIALS AND METHODS: PLCE1 levels in 20 paired HCC tissues and corresponding paracarcinomatous tissues was investigated by quantitative real-time polymerase chain reaction and Western blot assays...
2017: OncoTargets and Therapy
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