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https://www.readbyqxmd.com/read/28634412/extracellular-vesicles-in-liver-disease-and-potential-as-biomarkers-and-therapeutic-targets
#1
REVIEW
Gyongyi Szabo, Fatemeh Momen-Heravi
Extracellular vesicles (EVs) are membranous vesicles originating from different cells in the liver. The pathophysiological role of EVs is increasingly recognized in liver diseases, including alcoholic liver disease, NAFLD, viral hepatitis and hepatocellular carcinoma. EVs, via their cargo, can provide communication between different cell types in the liver and between organs. EVs are explored as biomarkers of disease and could also represent therapeutic targets and vehicles for treatment delivery. Here, we review advances in understanding the role of EVs in liver diseases and discuss their utility in biomarker discovery and therapeutics...
June 21, 2017: Nature Reviews. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28632778/over-expressing-the-soluble-gp130-fc-does-not-ameliorate-methionine-and-choline-deficient-diet-induced-non-alcoholic-steatohepatitis-in-mice
#2
Helene L Kammoun, Tamara Louise Allen, Darren Colin Henstridge, Michael James Kraakman, Lone Peijs, Stefan Rose-John, Mark Anthony Febbraio
Non-alcoholic steatohepatitis (NASH) is a liver disease with the potential to lead to cirrhosis and hepatocellular carcinoma. Interleukin-6 (IL-6) has been implicated in the pathogenesis of NASH, with the so-called IL-6 'trans-signaling' cascade being responsible for the pro-inflammatory actions of this cytokine. We aimed to block IL-6 'trans-signaling', using a transgenic mouse that overexpresses human soluble glycoprotein130 (sgp130Fc Tg mice) fed a commonly used dietary model of inducing NASH (methionine and choline deficient-diet; MCD diet) and hypothesized that markers of NASH would be ameliorated in such mice...
2017: PloS One
https://www.readbyqxmd.com/read/28632197/toxic-age-tage-theory-for-the-pathophysiology-of-the-onset-progression-of-nafld-and-ald
#3
REVIEW
Masayoshi Takeuchi, Jun-Ichi Takino, Akiko Sakasai-Sakai, Takanobu Takata, Mikihiro Tsutsumi
Non-alcoholic fatty liver disease (NAFLD) and alcoholic liver disease (ALD) are among the most common causes of chronic liver diseases in the westernized world. NAFLD and ALD are frequently accompanied by extrahepatic complications, including hepatocellular carcinoma and cardiovascular diseases, which have a negative impact on patient survival. The chronic ingestion of an excessive daily diet containing sugar/high-fructose corn syrup increases the level of the fructose/glucose metabolite, glyceraldehyde (GA), while the chronic consumption of an excessive number of alcoholic beverages increases the level of the alcohol metabolite, acetaldehyde (AA) in the liver...
June 20, 2017: Nutrients
https://www.readbyqxmd.com/read/28626882/quantitative-proteome-analysis-of-plasma-microparticles-for-the-characterization-of-hcv-induced-hepatic-cirrhosis-and-hepatocellular-carcinoma
#4
Raghda Saad Zaghloul Taleb, Pacint Moez, Doreen Younan, Martin Eisenacher, Matthias Tenbusch, Barbara Sitek, Thilo Bracht
Hepatocellular carcinoma (HCC) is the most common primary malignant liver tumor and a leading cause of cancer-related deaths worldwide. Cirrhosis induced by hepatitis-C virus (HCV) infection is the most critical risk factor for HCC. However, the mechanism of HCV-induced carcinogenesis is not fully understood. Plasma microparticles (PMP) contribute to numerous physiological and pathological processes and contain proteins whose composition correlates to the respective pathophysiological conditions. Given this fact, we analyzed PMP from 22 HCV-induced cirrhosis patients, 16 HCV-positive HCC patients with underlying cirrhosis and 18 healthy controls...
June 19, 2017: Proteomics. Clinical Applications
https://www.readbyqxmd.com/read/28621554/gut-microbiota-changes-and-chronic-hepatitis-c-virus-infection
#5
Tomislav Preveden, Emidio Scarpellini, Natasa Milić, Francesco Luzza, Ludovico Abenavoli
Hepatitis C virus (HCV) infection is a global health problem with 150 million infected people worldwide. Liver can be greatly affected by changes in gut microbiota due to increased intestinal permeability with passage of microbial antigens into the liver through the portal circulation. The concept of "gut-liver" axis is important to understand the pathophysiology of several liver diseases. Several recent studies also revealed that an altered gut microbiota can be implicated in the pathogenesis of HCV-induced chronic liver disease (CHC)...
June 16, 2017: Expert Review of Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28552096/the-role-of-incretin-hormones-and-glucagon-in-patients-with-liver-disease
#6
Anders Ellekær Junker
Non-alcoholic fatty liver disease (NAFLD) is defined as hepatic steatosis exceeding 5% of hepatocytes with no other reason for hepatic fat accumulation. The association between NAFLD and type 2 diabetes is strong. Accordingly, up to 70% of obese patients with type 2 diabetes have NAFLD. The spectrum of NAFLD ranges from simple steatosis to non-alcoholic steatohepatitis with variable degrees of fibrosis and cirrhosis. Cirrhosis is the end-stage of chronic liver disease and is characterised by diffuse fibrosis and nodular regeneration of hepatocytes...
May 2017: Danish Medical Journal
https://www.readbyqxmd.com/read/28535506/long-noncoding-rna-afap1-as1-promoted-tumor-growth-and-invasion-in-cholangiocarcinoma
#7
Xu Lu, Chuang Zhou, Renfeng Li, Yilei Deng, Longshuan Zhao, Wenlong Zhai
BACKGROUND: Long non-coding RNAs (lncRNAs) have been shown to play important roles in a wide range of pathophysiological processes, including cancer progression. Our previous study has shown that AFAP1-AS1 was upregulated and acted as an oncogene in hepatocellular carcinoma. However, the expression and biological functions of lncRNA AFAP1-AS1 in intrahepatic cholangiocarcinoma (CCA) remains largely unknown. METHODS: The expression level of AFAP1-AS1 was measured in 56 pairs of human cholangiocarcinoma tumor tissues and corresponding adjacent normal bile duct tissues...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28512251/inhibition-of-the-cell-death-pathway-in-nonalcoholic-steatohepatitis-nash-related-hepatocarcinogenesis-is-associated-with-histone-h4-lysine-16-deacetylation
#8
Aline de Conti, Kostiantyn Dreval, Volodymyr Tryndyak, Orish E Orisakwe, Sharon A Ross, Frederick A Beland, Igor P Pogribny
Hepatocellular carcinoma (HCC) is one of the most aggressive human cancers, and its incidence is steadily increasing worldwide. Recent epidemiologic findings have suggested that the increased incidence of HCC is associated with obesity, type II diabetes mellitus, and nonalcoholic steatohepatitis (NASH); however, the mechanisms and the molecular pathogenesis of NASH-related HCC are not fully understood. To elucidate the underlying mechanisms of the development of NASH-related HCC, we investigated the hepatic transcriptomic and histone modification profiles in Stelic Animal Model mice, the first animal model of NASH-related HCC to resemble the disease pathogenesis in humans...
May 16, 2017: Molecular Cancer Research: MCR
https://www.readbyqxmd.com/read/28509806/advances-in-management-of-hepatocellular-carcinoma
#9
Manon Allaire, Jean-Charles Nault
PURPOSE OF REVIEW: Hepatocellular carcinoma (HCC) is one of the leading causes of death by cancer worldwide due to a dismal prognosis. The aim of this review is to summarize the main advances in the pathophysiology and management of HCC. RECENT FINDINGS: Genomic analysis has recently delineated the key signaling pathways aberrantly deregulated in HCC (telomere maintenance, cell cycle gene, Wnt/β-catenin, epigenetic modifier, oxidative stress etc.). Major advances in the clinical care of patients with HCC are helping to refine the diagnosis algorithm and tumor staging...
July 2017: Current Opinion in Oncology
https://www.readbyqxmd.com/read/28480063/viral-hepatitis-and-hepatocellular-carcinoma-etiology-and-management
#10
REVIEW
Philippe J Zamor, Andrew S deLemos, Mark W Russo
Chronic hepatitis B virus (HBV) and chronic hepatitis C virus (HCV) are associated with hepatic fibrosis and development of hepatocellular carcinoma (HCC). There are differences and variation with the incidence of HCC worldwide. Additionally, HCC develops via different pathways with these viral hepatitides. This review outlines the various mechanisms and pathophysiology that contributes to this process. There will also be a review on the recommended screening for HCC. Treatment considerations, which are different for these viruses, will be outlined in this review...
April 2017: Journal of Gastrointestinal Oncology
https://www.readbyqxmd.com/read/28404113/pathogenesis-and-novel-treatment-options-for-non-alcoholic-steatohepatitis
#11
REVIEW
Vincent Wai-Sun Wong, Shiv Chitturi, Grace Lai-Hung Wong, Jun Yu, Henry Lik-Yuen Chan, Geoffrey C Farrell
Non-alcoholic fatty liver disease affects 20-40% of the population. Its active form, non-alcoholic steatohepatitis (NASH), is characterised by hepatocyte injury, liver inflammation, and progression of fibrosis, and has emerged as one of the most important causes of liver failure and hepatocellular carcinoma. Weight reduction of 10% by dietary restriction and regular exercise is sufficient to reverse NASH in most patients, but in practice this reduction is often not achieved. Available drugs such as vitamin E, pioglitazone, and pentoxifylline have borderline efficacy, but are limited by potential side-effects and toxicities, and do not improve liver fibrosis...
September 2016: Lancet. Gastroenterology & Hepatology
https://www.readbyqxmd.com/read/28365930/hepatocellular-carcinoma-development-in-non-alcoholic-fatty-liver-disease-and-non-alcoholic-steatohepatitis-is-it-going-to-be-the-plague-of-the-21st-century-a-literature-review-focusing-on-pathogenesis-prevention-and-treatment
#12
Chrysoula Argyrou, Demetrios Moris, Spiridon Vernadakis
Liver carcinogenesis in non-alcoholic fatty liver disease (NAFLD) and non-alcoholic steatohepatitis (NASH) is a subject of intense research nowadays, since NAFLD is the most common chronic liver disease, affecting a great percentage of the population worldwide, while hepatocellular carcinoma (HCC), which represents the most common primary liver malignancy, is the third leading cause of cancer-related mortality. The underlying pathogenic pathways of both NAFLD and HCC are not completely understood, but there is growing evidence that they share many common pathophysiologic mechanisms and risk factors...
January 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28290069/significance-of-genetic-polymorphisms-in-patients-with-nonalcoholic-fatty-liver-disease
#13
REVIEW
Hisamitsu Miyaaki, Kazuhiko Nakao
Because of recent advances in genetic research such as genome-wide association studies, the underlying genetic mechanisms of nonalcoholic fatty liver disease (NAFLD) pathophysiology have been elucidated. Here, we present a review of the current literature on the impact of genetic polymorphisms in patients with NAFLD. These genetic polymorphisms, which regulate lipid metabolism, glucose metabolism, and the renin-angiotensin system, are involved in NAFLD onset, steatosis, inflammation, fibrosis, and hepatocellular carcinoma (HCC)...
June 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28290049/type-2-diabetes-and-hepatocellular-carcinoma-risk-factors-and-pathogenesis
#14
REVIEW
P Wainwright, E Scorletti, C D Byrne
PURPOSE OF REVIEW: This review aims to assess the epidemiological evidence for a link between type 2 diabetes and hepatocellular carcinoma and to investigate possible pathophysiological mechanisms. RECENT FINDINGS: The presence of type 2 diabetes significantly increases the risk of developing hepatocellular carcinoma, and treatment with metformin may be associated with a lower risk. Treatment with insulin and sulphonylureas may be associated with increased risk...
April 2017: Current Diabetes Reports
https://www.readbyqxmd.com/read/28287358/intractable-neck-pain-in-an-oncologic-palliative-care-setting-is-cancer-always-the-answer
#15
Valentina Delfine, Enos Bernasconi, Donata Bardelli, Vito Spataro, Tanja Fusi-Schmidhauser
Refractory pain is a common manifestation in an oncologic palliative care setting and represents a major challenge for health care professionals involved in care provision. The underlying neoplasm and its dissemination are the foremost pathophysiologic mechanism for the development of pain in patients with advanced cancer. Nonetheless, other etiologies such as trauma and infections need to be considered by clinicians in this particular care setting. The authors present the case of a patient with a recent diagnosis of hepatocellular carcinoma, suffering from intractable neck pain, progressive worsening of her general conditions, and the onset of a generalized seizure...
March 2017: Journal of Pain & Palliative Care Pharmacotherapy
https://www.readbyqxmd.com/read/28236701/an-alternative-poldip3-transcript-promotes-hepatocellular-carcinoma-progression
#16
Xiao-Ning Liu, Ji-Hang Yuan, Tian-Tian Wang, Wei Pan, Shu-Han Sun
Alternative splicing plays critical roles in many pathophysiological processes and splicing dysregulation is a hallmark of cancer. The different isoforms may have significantly different effects on cancers. POLDIP3 is a target of ribosomal protein S6 kinase 1, and regulates DNA replication and mRNA translation. In this study, we measured the expression of an alternative POLDIP3 transcript (POLDIP3-β), which lacks exon 3 and 29 amine acids, in clinical hepatocellular carcinoma (HCC) tissues. The roles of POLDIP3-β on HCC cell proliferation, apoptosis, and migration were assessed by Glo cell viability assays, Ethynyl deoxyuridine incorporation assays, colony formation assays, TUNEL assays, Annexin V-propidium iodide staining and flow cytometry, transwell assays, wound healing assays, and in vivo xenograft growth...
May 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28195343/galectin-9-diverse-roles-in-hepatic-immune-homeostasis-and-inflammation
#17
REVIEW
Lucy Golden-Mason, Hugo R Rosen
Glycan-binding proteins, which include galectins, are involved at all stages of immunity and inflammation, from initiation through resolution. Galectin-9 (Gal-9) is highly expressed in the liver and has a wide variety of biological functions in innate and adaptive immunity that are instrumental in the maintenance of hepatic homeostasis. In the setting of viral hepatitis, increased expression of Gal-9 drives the expansion of regulatory T cells and contraction of effector T cells, thereby favoring viral persistence...
July 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28174483/dual-effect-of-wisp-1-in-diverse-pathological-processes
#18
Mengmeng Feng, Shuqin Jia
Wnt-1 inducible signaling pathway-1 (WISP-1), also known as CCN-4, belongs to the connective tissue growth factor (CTGF) family. WISP-1 is primarily expressed in embryonic stem cells and is involved in adult organ development. WISP-1 participates in many cellular processes, including proliferation, differentiation, apoptosis and adhesion. In addition, WISP-1 plays an important role in diverse pathophysiological processes, such as embryonic development, inflammation, injury repairs and cancers. Recent studies showed that WISP-1 was highly correlated with tumor progression and malignant transformation, whereas it played an oncogenic role in colorectal cancer, cholangiocarcinoma, hepatocellular carcinoma and breast cancer...
December 2016: Chinese Journal of Cancer Research, Chung-kuo Yen Cheng Yen Chiu
https://www.readbyqxmd.com/read/28163185/genomic-characterization-and-dynamic-methylation-of-promoter-facilitates-transcriptional-regulation-of-h2a-variants-h2a-1-and-h2a-2-in-various-pathophysiological-states-of-hepatocyte
#19
Monica Tyagi, Divya Reddy, Sanjay Gupta
Differential expression of homomorphous variants of H2A family of histone H2A.1 and H2A.2 have been associated with hepatocellular carcinoma and maintenance of undifferentiated state of hepatocyte. However, not much is known about the transcriptional regulation of these H2A variants. The current study revealed the presence of 43bp 5'-regulatory region upstream of translation start site and a 26bp 3' stem loop conserved region for both the H2A.1 and H2A.2 variants. However, alignment of both H2A.1 and H2A.2 5'-untranslated region (UTR) sequences revealed no significant degree of homology between them despite the coding exon being very similar amongst the variants...
February 3, 2017: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/28107896/cortisol-levels-in-hair-are-altered-in-irritable-bowel-syndrome-a-case-control-study-in-primary-care
#20
A-K Norlin, S Walter, E Theodorsson, V Tegelstrom, E Grodzinsky, M P Jones, Å Faresjö
OBJECTIVE: Stress is an important component in the pathophysiology of irritable bowel syndrome (IBS). Long term Hypothalamus Pituitary Adrenal (HPA)-axis activity can be studied by measuring hair cortisol concentrations (HCC). Some previous studies have indicated a dysregulated HPA-axis in IBS patients, but cortisol levels in hair have not yet been studied. We investigated whether HCC and self-reported stress differentiate IBS patients from controls. METHODS: In a cross-sectional study within 10 Swedish Primary Health Care Centers we compared patients in working age with active IBS to patients without GI complaints...
February 2017: Journal of Psychosomatic Research
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