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Lipid and chronic hepatitis C

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https://www.readbyqxmd.com/read/29034200/promising-effect-of-rosa-damascena-extract-on-high-fat-diet-induced-nonalcoholic-fatty-liver
#1
Ida Davoodi, Roja Rahimi, Mohammad Abdollahi, Fatemeh Farzaei, Mohammad Hosein Farzaei, Zahra Memariani, Fariba Najafi
NAFLD is a chronic liver disease that affects a high proportion of the world's population which causes metabolic and hepatic damages. Rosa damascena Mill is traditionally used as a dietary supplement for liver disorders. This study was carried out to determine the beneficial effect of standardized extract of R. damascena on animal model of nonalcoholic fatty liver disease (NAFLD). NAFLD was induced by high-fat diet (HFD) in Wistar rats. HFD rats showed an increase (p < 0.05) in the plasma lipid levels of total cholesterol (TC), triglyceride (TG), low-density lipoprotein (LDL), and reduced the high-density lipoprotein (HDL) levels...
October 2017: Journal of Traditional and Complementary Medicine
https://www.readbyqxmd.com/read/29018354/n-acetylcysteine-counteracts-adipose-tissue-macrophage-infiltration-and-insulin-resistance-elicited-by-advanced-glycated-albumin-in-healthy-rats
#2
Karolline S da Silva, Paula R Pinto, Nelly T Fabre, Diego J Gomes, Karina Thieme, Ligia S Okuda, Rodrigo T Iborra, Vanessa G Freitas, Maria H M Shimizu, Walcy R Teodoro, Suely K N Marie, Tom Woods, Margaret A Brimble, Russell Pickford, Kerry-Anne Rye, Maristela Okamoto, Sergio Catanozi, Maria L Correa-Giannela, Ubiratan F Machado, Marisa Passarelli
Background: Advanced glycation endproducts elicit inflammation. However, their role in adipocyte macrophage infiltration and in the development of insulin resistance, especially in the absence of the deleterious biochemical pathways that coexist in diabetes mellitus, remains unknown. We investigated the effect of chronic administration of advanced glycated albumin (AGE-albumin) in healthy rats, associated or not with N-acetylcysteine (NAC) treatment, on insulin sensitivity, adipose tissue transcriptome and macrophage infiltration and polarization...
2017: Frontiers in Physiology
https://www.readbyqxmd.com/read/28980402/is-palmitoleic-acid-a-plausible-non-pharmacological-strategy-to-prevent-or-control-chronic-metabolic-and-inflammatory-disorders
#3
REVIEW
Camila O Souza, Gretchen K Vannice, José C Rosa Neto, Philip C Calder
Although dietary fatty acids can modulate metabolic and immune responses, the effects of palmitoleic acid (16:1n-7) remain unclear. Since this monounsaturated fatty acid was described as a lipokine, studies with cell culture and rodent models have suggested it enhances whole body insulin sensitivity, stimulates insulin secretion by β-cells, increases hepatic fatty acid oxidation, improves the blood lipid profile, and alters macrophage differentiation. However, human studies report elevated blood levels of palmitoleic acid in people with obesity and metabolic syndrome...
October 5, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28969178/association-of-serum-lipids-with-hepatic-steatosis-stage-of-liver-fibrosis-and-viral-load-in-chronic-hepatitis-c
#4
Ivan Valkov, Radina Ivanova, Assen Alexiev, Krasimir Antonov, Lyudmila Mateva
INTRODUCTION: Hepatitis C Virus (HCV) relies on host lipids for its life cycle contributing to lipid abnormalities and hepatic steatosis. Disease progression is influenced by viral factors interacting with host immune and metabolic pathways. The significance of serum lipids for Chronic Hepatitis C (CHC) assessment is not clearly established yet. AIM: Our aim was to investigate serum lipids' association with stage of liver fibrosis, steatosis and genotypes in patients with CHC...
August 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28956816/qualitative-and-quantitative-evaluation-of-dietary-intake-in-patients-with-non-alcoholic-steatohepatitis
#5
Alessandro Federico, Marcello Dallio, Giuseppe Gerardo Caprio, Antonietta Gerarda Gravina, Desiree Picascia, Mario Masarone, Marcello Persico, Carmela Loguercio
There are very few reports about the intake of nutrients for the development or progression of non-alcoholic steatohepatitis (NASH). The aim of this study was to identify the dietary habits and the nutrient intake in patients with NASH, in comparison to chronic hepatitis C (HCV)-related patients. We prospectively evaluated the intake of macronutrients and micronutrients in 124 NAFLD and 162 HCV patients, compared to 2326 subjects as a control group. We noticed major differences in macro- and micronutrients intakes in NASH and HCV patients compared to controls...
September 28, 2017: Nutrients
https://www.readbyqxmd.com/read/28948164/liver-adiposity-and-metabolic-profile-in-individuals-with-chronic-spinal-cord-injury
#6
Kathleen C Rankin, Laura C O'Brien, Liron Segal, M Rehan Khan, Ashraf S Gorgey
PURPOSE: To quantify liver adiposity using magnetic resonance imaging (MRI) and to determine its association with metabolic profile in men with spinal cord injury (SCI). MATERIALS AND METHODS: MRI analysis of liver adiposity by fat signal fraction (FSF) and visceral adipose tissue (VAT) was completed on twenty participants. Intravenous glucose tolerance test was conducted to measure glucose effectiveness (Sg) and insulin sensitivity (Si). Lipid panel, fasting glucose, glycated hemoglobin (HbA1c), and inflammatory cytokines were also analyzed...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28922657/methods-employed-in-cytofluorometric-assessment-of-eryptosis-the-suicidal-erythrocyte-death
#7
Mohamed Jemaà, Myriam Fezai, Rosi Bissinger, Florian Lang
Suicidal erythrocyte death or eryptosis contributes to or even accounts for anemia in a wide variety of clinical conditions, such as iron deficiency, dehydration, hyperphosphatemia, vitamin D excess, chronic kidney disease (CKD), hemolytic-uremic syndrome, diabetes, hepatic failure, malignancy, arteriitis, sepsis, fever, malaria, sickle-cell disease, beta-thalassemia, Hb-C and G6PD-deficiency, Wilsons disease, as well as advanced age. Moreover, eryptosis is triggered by a myriad of xenobiotics and endogenous substances including cytotoxic drugs and uremic toxins...
September 1, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28864162/treatment-induced-viral-cure-of-hepatitis-c-virus-infected-patients-involves-a-dynamic-interplay-among-three-important-molecular-players-in-lipid-homeostasis-circulating-microrna-mir-24-mir-223-and-proprotein-convertase-subtilisin-kexin-type-9
#8
Anastasia Hyrina, Andrea D Olmstead, Paul Steven, Mel Krajden, Edward Tam, François Jean
In patients with chronic hepatitis C virus (HCV) infection, viral hijacking of the host-cell biosynthetic pathways is associated with altered lipid metabolism, which contributes to disease progression and may influence antiviral response. We investigated the molecular interplay among four key regulators of lipid homeostasis [microRNA (miR)-122, miR-24, miR-223, and proprotein convertase subtilisin/kexin type 9 (PCSK9)] in HCV-infected patients (n=72) who achieved a treatment-based viral cure after interferon-based therapy with first-generation direct-acting antivirals...
September 2017: EBioMedicine
https://www.readbyqxmd.com/read/28862649/immune-evasion-strategies-during-chronic-hepatitis-b-and-c-virus-infection
#9
REVIEW
Ana Maria Ortega-Prieto, Marcus Dorner
Both hepatitis B virus (HBV) and hepatitis C virus (HCV) infections are a major global healthcare problem with more than 240 million and 70 million infected, respectively. Both viruses persist within the liver and result in progressive liver disease, resulting in liver fibrosis, cirrhosis and hepatocellular carcinoma. Strikingly, this pathogenesis is largely driven by immune responses, unable to clear an established infection, rather than by the viral pathogens themselves. Even though disease progression is very similar in both infections, HBV and HCV have evolved distinct mechanisms, by which they ensure persistence within the host...
September 1, 2017: Vaccines
https://www.readbyqxmd.com/read/28839198/the-effect-of-the-tm6sf2-e167k-variant-on-liver-steatosis-and-fibrosis-in-patients-with-chronic-hepatitis-c-a-meta-analysis
#10
Zhengtao Liu, Shuping Que, Lin Zhou, Shusen Zheng, Stefano Romeo, Adil Mardinoglu, Luca Valenti
The impact of Transmembrane 6 superfamily member 2 (TM6SF2) E167K variant, which causes hepatocellular fat retention by altering lipoprotein secretion, on liver damage and metabolic traits in chronic hepatitis C patients is still debated. We performed a systematic review and meta-analysis to clarify this relationship. Four studies with a total of 4325 patients were included. The risk of histologically-determined advanced steatosis, fibrosis, and cirrhosis (but not of severe inflammation) were increased in carriers of the TM6SF2 variant (P < 0...
August 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28834042/changes-in-serum-lipid-profiles-caused-by-three-regimens-of-interferon-free-direct-acting-antivirals-for-patients-infected-with-hepatitis-c-virus
#11
Takako Inoue, Takaaki Goto, Etsuko Iio, Kayoko Matsunami, Kei Fujiwara, Noboru Shinkai, Kentaro Matsuura, Takeshi Matsui, Shunsuke Nojiri, Yasuhito Tanaka
AIM: Serum low-density lipoprotein cholesterol (LDL-C) increases during treatment of chronic hepatitis C (CHC) with interferon-free direct-acting antivirals (DAAs). We sought to compare the changes of serum lipid profiles caused by three regimens. METHODS: A total of 216 CHC patients were enrolled. Among 170 patients infected with hepatitis C virus (HCV) genotype 1b, 85 received daclatasvir plus asunaprevir (DCV/ASV) and 85 received sofosbuvir plus ledipasvir (SOF/LDV)...
August 19, 2017: Hepatology Research: the Official Journal of the Japan Society of Hepatology
https://www.readbyqxmd.com/read/28820612/the-potential-of-signal-peptide-peptidase-as-a-therapeutic-target-for-hepatitis-c
#12
REVIEW
Kohji Moriishi
Chronic infection with hepatitis C virus (HCV) causes liver steatosis, cirrhosis, metabolic syndrome with inflammation, and eventually leads to hepatocellular carcinoma. HCV core protein is a well-known capsid protein and pathogenic factor related to lipid accumulation, type 2 diabetes mellitus, and carcinogenesis. Cleavage of the C-terminal transmembrane region by signal peptide peptidase (SPP) is required for maturation of the core protein. Areas covered: Herein, this review details the general aspects of the structure, lifecycle, pathogenesis, and maturation of the HCV core protein, the function of SPP, and clinically available direct-acting antivirals (DAAs)...
September 2017: Expert Opinion on Therapeutic Targets
https://www.readbyqxmd.com/read/28811694/estimation-of-upper-limit-of-normal-for-serum-alanine-transaminase-in-healthy-south-indian-population
#13
Pazhanivel Mohan, Varun Sundar, Emmanuel Bhaskar, Syluvai Anthony
Alanine aminotransferase (ALT) is the most common and cost effective screening test for asymptomatic liver disease. There is paucity of data on normal ALT among healthy individuals in India. An observational cross sectional study was conducted from January to July 2013 to estimate the upper limit of normal for ALT in healthy south Indian population. Adults undergoing voluntary or pre-employment health screening were included. Those with current and past alcoholism or smoking, acute illness or hospitalization during preceding 12 months, non-steroidal anti-inflammatory or over the counter medication use within a month, current or past intake of herbal medications, any chronic medical illness, abnormal body mass index (BMI), fatty liver in ultrasound, abnormality in haemoglobin, platelet count, blood sugar, creatinine, lipid profile and thyroid function test and positive serology (Hepatitis B, C or HIV) were excluded...
July 2017: Indian Journal of Clinical Biochemistry: IJCB
https://www.readbyqxmd.com/read/28729862/rad51-interacts-with-non-structural-3-protein-of-hepatitis-c-virus-and-regulates-viral-production
#14
Kidong Son, Tram T T Nguyen, Jae-Woong Choi, Long V Pham, Trang T D Luong, Yun-Sook Lim, Soon B Hwang
Hepatitis C virus (HCV) is a leading cause of chronic liver disease affecting over 170 million people worldwide. Chronic infection with HCV progresses to liver fibrosis, cirrhosis, and hepatocellular carcinoma. HCV exploits host cellular factors for viral propagation. To investigate the cellular factors required for HCV propagation, we screened a siRNA library targeting human cell cycle genes using cell culture grown HCV-infected cells. In the present study, we selected and characterized a gene encoding Rad51...
2017: Frontiers in Microbiology
https://www.readbyqxmd.com/read/28707319/tenofovir-disoproxil-fumarate-significantly-decreases-serum-lipoprotein-levels-compared-with-entecavir-nucleos-t-ide-analogue-therapy-in-chronic-hepatitis-b-carriers
#15
A A Shaheen, M AlMattooq, S Yazdanfar, K W Burak, M G Swain, S E Congly, M A Borman, S S Lee, R P Myers, C S Coffin
BACKGROUND: Tenofovir disoproxil fumarate (TDF) and entecavir (ETV) are first-line treatments for chronic hepatitis B (CHB). Studies suggest lipid lowering effect of TDF in human immunodeficiency virus positive (HIV+) individuals, but the effect on lipids and cardiovascular disease (CVD) risk in CHB is unknown. AIM: To compare TDF vs ETV effects on lipid levels in CHB. METHODS: In this retrospective cohort study, data on serum lipids and CVD risk factors at baseline and ~1 year on TDF or ETV were collected from CHB carriers...
September 2017: Alimentary Pharmacology & Therapeutics
https://www.readbyqxmd.com/read/28689587/metabolic-manifestations-of-hepatitis-c-virus-diabetes-mellitus-dyslipidemia
#16
REVIEW
Lawrence Serfaty
Metabolic disorders are common in patients with chronic hepatitis C virus (HCV) infection. Epidemiologic and clinical data indicate an overprevalence of lipids abnormalite, steatosis, insuline resistance (IR) and diabetes mellitus in HCV patients, suggesting that HCV itself may interact with glucido-lipidic metabolism. HCV interacts with the host lipid metabolism by several mechanisms leading to hepatic steatosis and hypolipidemia which are reversible after viral eradication. Liver and peripheral IR are HCV genotype/viral load dependent and improved after viral eradication...
August 2017: Clinics in Liver Disease
https://www.readbyqxmd.com/read/28686624/adverse-effects-of-chronic-exposure-to-nonylphenol-on-non-alcoholic-fatty-liver-disease-in-male-rats
#17
Jie Yu, Xuesong Yang, Ya Luo, Xuefeng Yang, Mengxue Yang, Jin Yang, Jie Zhou, Feng Gao, Liting He, Jie Xu
Endocrine-disrupting chemical (EDC) has been thought to play a role in non-alcoholic fatty liver disease (NAFLD). However, the toxic effects of Nonylphenol (NP), an EDC, on non-alcoholic fatty liver disease have never been elaborated. This study aimed to investigate whether exposure to NP could induce NAFDL, a promoting effect of high-sucrose-high-fat diet (HSHFD) on the adverse effects caused by NP was evaluated. Fourth eight male rats were assigned to four groups and each group was treated with a specific testing sample: normal-diet (ND) control group (C-ND); normal diet plus NP (180mg/kg/day) group (NP-ND); high-sucrose-high-fat-diet control group (C-HSHFD); HSHFD plus NP (180mg/kg/day) group (NP-HSHFD)...
2017: PloS One
https://www.readbyqxmd.com/read/28657143/emergence-of-drug-resistance-associated-variants-and-changes-in-serum-lipid-profiles-in-sofosbuvir-plus-ledipasvir-treated-chronic-hepatitis-c-patients
#18
Hiromi Kan, Michio Imamura, Yoshiiku Kawakami, Kana Daijo, Yuji Teraoka, Fumi Honda, Yuki Nakamura, Kei Morio, Tomoki Kobayashi, Takashi Nakahara, Yuko Nagaoki, Tomokazu Kawaoka, Masataka Tsuge, Hiroshi Aikata, Clair Nelson Hayes, Daiki Miki, Hidenori Ochi, Yoji Honda, Nami Mori, Shintaro Takaki, Keiji Tsuji, Kazuaki Chayama
Combination of sofosbuvir plus ledipasvir therapy has been expected to enhance sustained virological response (SVR) rates in hepatitis C virus (HCV) genotype 1 chronic infected patients. We analyzed the emergence of drug resistance-associated variants (RAVs) in treatment failure and changes in lipid profiles in sofosbuvir/ledipasvir-treated patients. A total of 176 patients with chronic HCV genotype 1 infection without decompensated liver cirrhosis were treated with sofosbuvir/ledipasvir for 12 weeks. NS5A and NS5B RAVs were determined by either Invader assay or direct sequencing...
June 28, 2017: Journal of Medical Virology
https://www.readbyqxmd.com/read/28634113/vitamin-d3-supplementation-attenuates-the-early-stage-of-mouse-hepatocarcinogenesis-promoted-by-hexachlorobenzene-fungicide
#19
Guilherme R Romualdo, Renata L Goto, Ana A H Fernandes, Bruno Cogliati, Luis F Barbisan
Hexachlorobezene (HCB), a fungicide widely distributed in the environment, promotes the development of hepatocellular preneoplastic lesions (PNL) and tumors in rodents. In contrast, vitamin D3 (VD3) supplementation presents a potential role for the prevention/treatment of chronic liver diseases. Thus, we investigated whether VD3 supplementation attenuates the early stage of HCB-promoted hepatocarcinogenesis. Female Balb/C mice were injected a single dose of diethylnitrosamine (DEN, 50 mg/kg) at postnatal day 15...
September 2017: Food and Chemical Toxicology
https://www.readbyqxmd.com/read/28630011/interplay-between-hepatitis-c-virus-and-lipid-metabolism-during-virus-entry-and-assembly
#20
REVIEW
Muriel Lavie, Jean Dubuisson
Hepatitis C virus (HCV) infection is a major public health problem worldwide. In most cases, HCV infection becomes chronic, leading to the development of liver diseases that range from fibrosis to cirrhosis and hepatocellular carcinoma. Due to its medical importance, the HCV life cycle has been deeply characterized, and a unique feature of this virus is its interplay with lipids. Accordingly, all the steps of the virus life cycle are influenced by the host lipid metabolism. Indeed, due to their association with host lipoproteins, HCV particles have a unique lipid composition...
June 16, 2017: Biochimie
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