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Lipid and chronic hepatitis C

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https://www.readbyqxmd.com/read/28212936/antihyperlipidemic-and-hepatoprotective-properties-of-selenium-modified-polysaccharide-from-lachnum-sp
#1
Maheen Mahwish Surhio, Yufen Wang, Ping Xu, Shah Faisal, Jinglei Li, Ming Ye
Hyperlipidemia is one of the major health problem people suffering throughout the world, which is also a major risk factor for chronic heart disease that can lead to death. The current study was designed to investigate antihyperlipidemic and hepatoprotective effects of selenium modified exopolysaccharide of Lachnum sp (SeLEP-1b) on high-fat induced mice model. Nitric acid-sodium selenite (HNO3-Na2SeO3) method was used to selenize pure LEP-1b. FT-IR and (13)C NMR results confirmed the modification of LEP-1b into SeLEP-1b...
February 14, 2017: International Journal of Biological Macromolecules
https://www.readbyqxmd.com/read/28211910/link-between-plasminogen-activator-inhibitor-1-and-cardiovascular-risk-in-chronic-hepatitis-c-after-viral-clearance
#2
Ming-Ling Chang, Yu-Sheng Lin, Li-Heng Pao, Hsin-Chih Huang, Cheng-Tang Chiu
The pathophysiological implications of plasminogen activator inhibitor-1 (PAI-1) in HCV infection remain obscure. This prospective study evaluated 669 HCV patients, of whom 536 had completed a course of anti-HCV therapy and had pre-, peri- and post-therapy measurements of various profiles, including PAI-1 levels. Multivariate analysis demonstrated, before anti-HCV-therapy, platelet count and PAI-1-rs1799889 genotype were associated with PAI-1 levels. Among patients with a sustained virological response (SVR, n = 445), platelet count was associated with PAI-1 level at 24 weeks post-therapy...
February 13, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28198443/serum-lipid-alterations-identified-in-chronic-hepatitis-b-hepatitis-b-virus-associated-cirrhosis-and-carcinoma-patients
#3
Tao Wu, Xiaojiao Zheng, Ming Yang, Aihua Zhao, Meng Li, Tianlu Chen, Jun Panee, Wei Jia, Guang Ji
The incidences of chronic hepatitis B (CHB), Hepatitis B virus (HBV)-associated cirrhosis and HBV-associated carcinoma are high and increasing. This study was designed to evaluate serum lipid metabolite changes that are associated with the progression from CHB to HBV-associated cirrhosis and ultimately to HBV-associated HCC. A targeted metabolomic assay was performed in fasting sera from 136 CHB patients, 104 HBV-associated cirrhosis, and 95 HBV-associated HCC using ultra-performance liquid chromatography triple quadrupole mass spectrometry...
February 15, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28168552/obesity-cardiovascular-disease-and-role-of-vitamin-c-on-inflammation-a-review-of-facts-and-underlying-mechanisms
#4
REVIEW
Mohammed S Ellulu
Obesity means the accumulation of excessive fat that may interfere with the maintenance of optimal state of health. Obesity causes cardiac and vascular disease through well-known mediators such as hypertension, type-2 diabetes mellitus, and dyslipidemia, but there are evidences for other mediators such as chronic inflammation, oxidative stress, and thrombosis. The decreased levels of antioxidants factors and nitric oxide predispose to further cardiovascular adverse events. To reduce the risks, antioxidants can help by neutralizing the free radicals and protecting from damage by donating electrons...
February 6, 2017: Inflammopharmacology
https://www.readbyqxmd.com/read/28167864/ezetimibe-reduces-cholesterol-content-and-nf-kappab-activation-in-liver-but-not-in-intestinal-tissue-in-guinea-pigs
#5
Peter Fraunberger, Elisabeth Gröne, Hermann-Josef Gröne, Heinz Drexel, Autar K Walli
BACKGROUND: Statins (HMG CoA reductase inhibitors), in addition to reducing circulating cholesterol and incidence of coronary heart disease, also have pleiotropic, anti-inflammatory effects. Patients with chronic liver diseases, non-alcoholic fatty liver disease (NAFLD) or hepatitis C are often excluded from statin therapy because of adverse effects in a small cohort of patients despite increased cardiovascular risk cholesterol. Ezetimibe, which inhibits cholesterol absorption by inhibition of Niemann-Pick C1 like 1 (NPC1L1) protein in the brush border of intestinal cells, has been suggested as a new therapeutic option in these patients...
2017: Journal of Inflammation
https://www.readbyqxmd.com/read/28165558/the-relationship-between-serum-visfatin-and-the-progress-of-chronic-viral-hepatitis-b-cirrhosis
#6
X-L Wei
OBJECTIVE: To explore the relationship between serum visfatin and the progress of chronic viral hepatitis B cirrhosis. PATIENTS AND METHODS: Selected 153 cases of chronic hepatitis B patients with cirrhosis as an observational group. Among which, Child-Pugh Grade was divided into grade A with 31 cases, grade B with 79 cases and grade C with 43 cases. 50 healthy people were added to the study and were considered as control group. Comparison of the sera levels of visfatin, blood lipid, liver fibrosis indexes, fasting plasma glucose and fasting insulin of the observational and those of the control group were done...
January 2017: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/28155600/green-tea-camellia-sinensis-protects-against-arsenic-neurotoxicity-via-antioxidative-mechanism-and-activation-of-superoxide-dismutase-activity
#7
Smarajit Maiti, Nirmallya Acharyya, Tamal K Ghosh, Sk Sajed Ali, Emili Manna, Aarifa Nazmeen, Nirmalya K Sinha
BACKGROUND: Chronic arsenic-exposure even at a low-dose results in the neural impairment and motor/cognitive dysfunction. However, several preventive approaches are made mainly against hepatic/gastrointestinal damages. Only a few investigations postulate therapeutic strategies for neural anomalies. Here, the protective role of Green tea (Camellia sinensis or CS; 10mg/ml aqueous) has been evaluated against arsenic-induced (0.6ppm/100g bw/28 days) cerebral/cerebellar tissue degeneration, oxidative-threats and neurotransmitter deregulation in female rats...
February 1, 2017: Central Nervous System Agents in Medicinal Chemistry
https://www.readbyqxmd.com/read/28130067/farnesoid-x-receptor-activation-promotes-hepatic-amino-acid-catabolism-and-ammonium-clearance-in-mice
#8
Vittoria Massafra, Alexandra Milona, Harmjan R Vos, Rúben J J Ramos, Johan Gerrits, Ellen C L Willemsen, José M Ramos Pittol, Noortje Ijssennagger, Martin Houweling, Hubertus C M T Prinsen, Nanda M Verhoeven-Duif, Boudewijn M Burgering, Saskia W C van Mil
BACKGROUND & AIMS: The nuclear receptor subfamily 1 group H member 4 (NR1H4 or farnesoid X receptor, FXR) regulates bile acid synthesis, transport, and catabolism. FXR also regulates post-prandial lipid and glucose metabolism. We performed quantitative proteomic analyses of liver tissues from mice to evaluate these functions and investigate whether FXR regulates amino acid metabolism. METHODS: To study the role of FXR in mouse liver, we used mice with a disruption of Nr1h4 (FXR-knockout mice) and compared them to floxed control mice...
January 24, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28126468/autotaxin-lysophosphatidic-acid-receptor-signalling-regulates-hepatitis-c-virus-replication
#9
Michelle J Farquhar, Isla S Humphreys, Simon A Rudge, Garrick K Wilson, Bishnupriya Bhattacharya, Maria Ciaccia, Ke Hu, Qifeng Zhang, Laurent Mailly, Gary M Reynolds, Margaret Aschcroft, Peter Balfe, Thomas F Baumert, Stephanie Roessler, Michael J O Wakelam, Jane A McKeating
BACKGROUND AND AIMS: Chronic hepatitis C is a global health problem with an estimated 170 million HCV infected individuals at risk of progressive liver disease and hepatocellular carcinoma (HCC). Autotaxin (ATX) is a phospholipase with diverse roles in physiological and pathological processes including inflammation and oncogenesis. Clinical studies have reported increased ATX expression in chronic hepatitis C, however, the pathways regulating ATX and its role in the viral life cycle are not well understood...
January 23, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28125040/silymarin-silybin-and-chronic-liver-disease-a-marriage-of-many-years
#10
REVIEW
Alessandro Federico, Marcello Dallio, Carmelina Loguercio
Silymarin is the extract of Silybum marianum, or milk thistle, and its major active compound is silybin, which has a remarkable biological effect. It is used in different liver disorders, particularly chronic liver diseases, cirrhosis and hepatocellular carcinoma, because of its antioxidant, anti-inflammatory and antifibrotic power. Indeed, the anti-oxidant and anti-inflammatory effect of silymarin is oriented towards the reduction of virus-related liver damages through inflammatory cascade softening and immune system modulation...
January 24, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28105255/pi3k-ship2-pten-pathway-in-cell-polarity-and-hepatitis-c-virus-pathogenesis
#11
REVIEW
Aline Awad, Ama Gassama-Diagne
Hepatitis C virus (HCV) infects hepatocytes, polarized cells in the liver. Chronic HCV infection often leads to steatosis, fibrosis, cirrhosis and hepatocellular carcinoma, and it has been identified as the leading cause of liver transplantation worldwide. The HCV replication cycle is dependent on lipid metabolism and particularly an accumulation of lipid droplets in host cells. Phosphoinositides (PIs) are minor phospholipids enriched in different membranes and their levels are tightly regulated by specific PI kinases and phosphatases...
January 8, 2017: World Journal of Hepatology
https://www.readbyqxmd.com/read/28088354/uncovering-oxysterol-binding-protein-osbp-as-a-target-of-the-anti-enteroviral-compound-ttp-8307
#12
Lucian Albulescu, Joëlle Bigay, Bishyajit Biswas, Marion Weber-Boyvat, Cristina M Dorobantu, Leen Delang, Hilde M van der Schaar, Young-Sik Jung, Johan Neyts, Vesa M Olkkonen, Frank J M van Kuppeveld, Jeroen R P M Strating
The genus Enterovirus (e.g. poliovirus, coxsackievirus, rhinovirus) of the Picornaviridae family of positive-strand RNA viruses includes many important pathogens linked to a range of acute and chronic diseases for which no approved antiviral therapy is available. Targeting a step in the life cycle that is highly conserved provides an attractive strategy for developing broad-range inhibitors of enterovirus infection. A step that is currently explored as a target for the development of antivirals is the formation of replication organelles, which support replication of the viral genome...
January 11, 2017: Antiviral Research
https://www.readbyqxmd.com/read/28056752/inhibiting-the-secretion-of-hepatitis-b-surface-antigen-hbsag-to-treat-hepatitis-b-infection-a-review
#13
Simon D Baugh
Chronic Hepatitis B is a major global health issue, and has no known cure. Currently there are over 240 million people infected with the disease, and it leads to the death of over 686,000 people each year. A total of seven treatments which help to control the disease are currently available: interferon-based treatments (pegasys, and interferon alpha), and nucleoside and nucleotide analogs (Viread, Baraclude, Tyzeka, Hepsera, Epivir-HBV), but all require continuing treatment to maintain control of the disease...
January 4, 2017: Infectious Disorders Drug Targets
https://www.readbyqxmd.com/read/28038469/polyunsaturated-fatty-acids-ameliorate-aging-via-redox-telomere-antioncogene-axis
#14
Jingnan Chen, Yan Wei, Xinyu Chen, Jingjing Jiao, Yu Zhang
Polyunsaturated fatty acids (PUFA), a group of nourishing and health-promoting nutrients, ameliorate age-related chronic diseases. However, how PUFA especially n-3 PUFA exert anti-aging functions remains poorly understood. Here we link fish oil, docosahexaenoic acid (DHA) and arachidonic acid (AA) to the aging etiology via a redox-telomere-antioncogene axis based on D-galactose-induced aging mice. Both fish oil and PUFA enhanced hepatic superoxide dismutase (SOD) and catalase activities and cardiac SOD activities within the range of 18%-46%, 26%-65% and 19%-58%, respectively, whereas reduced cerebral monoamine oxidase activity, plasma F2-isoprostane level and cerebral lipid peroxidation level by 56%-90%, 20%-79% and 16%-54%, respectively...
January 31, 2017: Oncotarget
https://www.readbyqxmd.com/read/27989594/salvianolic-acid-b-protects-against-chronic-alcoholic-liver-injury-via-sirt1-mediated-inhibition-of-crp-and-chrebp-in-rats
#15
Ning Zhang, Yan Hu, Chunchun Ding, Wenjing Zeng, Wen Shan, Hui Fan, Yan Zhao, Xue Shi, Lili Gao, Ting Xu, Ruiwen Wang, Dongyan Gao, Jihong Yao
Salvianolic acid B (SalB), a water-soluble polyphenol extracted from Radix Salvia miltiorrhiza, has been reported to possess many pharmacological activities. This study investigated the hepatoprotective effects of SalB in chronic alcoholic liver disease (ALD) and explored the related signaling mechanisms. In vivo, SalB treatment significantly attenuated ethanol-induced liver injury by blocking the elevation of serum aminotransferase activities and markedly decreased hepatic lipid accumulation by reducing serum and liver triglyceride (TG) and total cholesterol (TC) levels...
February 5, 2017: Toxicology Letters
https://www.readbyqxmd.com/read/27988942/young-healthy-south-asians-have-enhanced-lipogenic-sensitivity-to-dietary-sugar
#16
Lisa C Hudgins, Jonathan L Hugo, Samim Enayat, Thomas S Parker, Amanda S Artis, Daniel M Levine
OBJECTIVE: South Asians have higher rates of type 2 diabetes and cardiovascular disease compared to most other racial/ethnic groups. Increased hepatic de novo lipogenesis (DNL) in response to dietary sugar may accelerate the development of these chronic diseases in this population. STUDY DESIGN: Hepatic DNL in response to a calorically sweetened beverage was measured in an outpatient setting in 15 South Asians and 15 Caucasians with similar and normal body mass indexes, waist circumferences, glucose tolerance and lipid profiles...
March 2017: Clinical Endocrinology
https://www.readbyqxmd.com/read/27941027/the-lipid-droplet-associated-protein-perilipin-3-facilitates-hepatitis-c-virus-driven-hepatic-steatosis
#17
Daniel Ferguson, Jun Zhang, Matthew A Davis, Robert N Helsley, Lise-Lotte Vedin, Richard G Lee, Rosanne M Crooke, Mark J Graham, Daniela S Allende, Paolo Parini, J Mark Brown
Hepatitis C virus (HCV) is an enveloped RNA virus responsible for 170 million cases of viral hepatitis worldwide. Over 50% of chronically infected HCV patients develop hepatic steatosis, and steatosis can be induced by expression of HCV core protein (core) alone. Additionally, core must associate with cytoplasmic lipid droplets (LDs) for steatosis development and viral particle assembly. Due to the importance of the LD as a key component of hepatic lipid storage and as a platform for HCV particle assembly, it seems this dynamic subcellular organelle is a gatekeeper in the pathogenesis of viral hepatitis...
February 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/27940481/regulation-of-lipid-metabolism-by-obeticholic-acid-in-hyperlipidemic-hamsters
#18
Bin Dong, Mark Young, Xueqing Liu, Amar Bahadur Singh, Jingwen Liu
The farnesoid X receptor (FXR) plays critical roles in plasma cholesterol metabolism, in particular HDL-cholesterol (HDL-C) homeostasis. Obeticholic acid (OCA) is a FXR agonist being developed for treating various chronic liver diseases. Previous studies reported inconsistent effects of OCA on regulating plasma cholesterol levels in different animal models and in different patient populations. The mechanisms underlying its divergent effects have not yet been thoroughly investigated. The scavenger receptor class B type I (SR-BI) is a FXR-modulated gene and the major receptor for HDL-C...
February 2017: Journal of Lipid Research
https://www.readbyqxmd.com/read/27929465/using-multi-fluorinated-bile-acids-and-in-vivo-magnetic-resonance-imaging-to-measure-bile-acid-transport
#19
Jessica Felton, Kunrong Cheng, Anan Said, Aaron C Shang, Su Xu, Diana Vivian, Melissa Metry, James E Polli, Jean-Pierre Raufman
Along with their traditional role as detergents that facilitate fat absorption, emerging literature indicates that bile acids are potent signaling molecules that affect multiple organs; they modulate gut motility and hormone production, and alter vascular tone, glucose metabolism, lipid metabolism, and energy utilization. Changes in fecal bile acids may alter the gut microbiome and promote colon pathology including cholerrheic diarrhea and colon cancer. Key regulators of fecal bile acid composition are the small intestinal Apical Sodium-dependent Bile Acid Transporter (ASBT) and fibroblast growth factor-19 (FGF19)...
November 27, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27909723/inhibition-of-jnk-suppresses-autophagy-and-attenuates-insulin-resistance-in-a-rat-model-of-nonalcoholic-fatty-liver-disease
#20
Hua Yan, Yanqiong Gao, Ying Zhang
Nonalcoholic fatty liver disease (NAFLD) is a common chronic liver disease, the pathological process of which is complex. Activation of the c‑Jun N‑terminal kinase (JNK) signaling pathway is associated with the mechanism underlying obesity-induced insulin resistance. Furthermore, the JNK signaling pathway and dysfunctional autophagy serve important roles in hepatic lipid metabolism. However, the exact role of JNK in autophagy and obesity‑induced insulin resistance is not fully understood. Therefore, the present study aimed to investigate the underlying mechanisms by which the JNK signaling pathway regulates autophagy and insulin resistance in fatty liver...
January 2017: Molecular Medicine Reports
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