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https://www.readbyqxmd.com/read/29662289/hepatitis-b-virus-pre-s-s-variants-in-liver-diseases
#1
REVIEW
Bing-Fang Chen
Chronic hepatitis B is a global health problem. The clinical outcomes of chronic hepatitis B infection include asymptomatic carrier state, chronic hepatitis (CH), liver cirrhosis (LC), and hepatocellular carcinoma (HCC). Because of the spontaneous error rate inherent to viral reverse transcriptase, the hepatitis B virus (HBV) genome evolves during the course of infection under the antiviral pressure of host immunity. The clinical significance of pre-S/S variants has become increasingly recognized in patients with chronic HBV infection...
April 14, 2018: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/29651140/novel-indole-fused-benzo-oxazepines-ifbos-inhibit-invasion-of-hepatocellular-carcinoma-by-targeting-il-6-mediated-jak2-stat3-oncogenic-signals
#2
Ashok K Singh, Archana S Bhadauria, Umesh Kumar, Vinit Raj, Amit Rai, Pranesh Kumar, Amit K Keshari, Dinesh Kumar, Biswanath Maity, Sneha Nath, Anand Prakash, Sudipta Saha
Inspired by the well-documented tumor protecting ability of paullones, recently, we synthesized novel paullone-like scaffolds, indole-fused benzo-oxazepines (IFBOs), and screened them against hepatocellular carcinoma (HCC) specific Hep-G2 cells. Three of the synthesized compounds significantly attenuated the progression of HCC in vitro. By computational studies, we further discovered that IFBOs exhibited a stable binding complex with the IL-6 receptor. In this context, we investigated in vivo study using the nitrosodiethyl amine (NDEA)-induced HCC model, which strengthened our previous findings by showing the blockade of the IL-6 mediated JAK2/STAT3 oncogenic signaling pathway...
April 12, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29626791/biotransformation-and-oxidative-stress-responses-in-rat-hepatic-cell-line-h4iie-exposed-to-racemic-ketoprofen-rs-kp-and-its-enantiomer-dexketoprofen-s-kp
#3
Elvira Mennillo, Åse Krøkje, Carlo Pretti, Valentina Meucci, Augustine Arukwe
Pharmaceuticals such as racemate ketoprofen (RS-KP) and its enantiomer, dexketoprofen (S(+)-KP) are highly detectable non-steroidal anti-inflammatory drugs (NSAIDs) in the aquatic environment and therefore are designated as one of the most emerging groups of pollutants that can affect environmental and human health. The potential impact of these pharmaceuticals was assessed for the first time in vitro using a rat hepatocellular carcinoma cell line (H4IIE). Cells were exposed to low and high concentrations of these drugs...
March 30, 2018: Environmental Toxicology and Pharmacology
https://www.readbyqxmd.com/read/29621129/plants-and-surgery-the-protective-effects-of-thymoquinone-on-hepatic-injury-a-systematic-review-of-in-vivo-studies
#4
REVIEW
Aysun Tekbas, Jutta Huebner, Utz Settmacher, Uta Dahmen
Multimodal treatment concepts including liver transplantation for hepatocellular carcinoma (HCC), extended resection methods and neoadjuvant chemotherapy for colorectal liver metastasis significantly improve patients’ outcome. However, surgery-induced hepatic ischemia-reperfusion injury (IRI) and chemotherapy-associated hepatotoxicity result in hepatocellular damage and compromised liver function. Activation of common key pathways in ischemic liver and hepatotoxic injury results in oxidative stress, inflammatory responses and apoptosis causing organ damage...
April 5, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29619366/targeting-endoplasmic-reticulum-and-or-mitochondrial-ca-2-fluxes-as-therapeutic-strategy-for-hcv-infection
#5
Rosella Scrima, Claudia Piccoli, Darius Moradpour, Nazzareno Capitanio
Chronic hepatitis C is characterized by metabolic disorders and by a microenvironment in the liver dominated by oxidative stress, inflammation and regeneration processes that can in the long term lead to liver cirrhosis and hepatocellular carcinoma. Several lines of evidence suggest that mitochondrial dysfunctions play a central role in these processes. However, how these dysfunctions are induced by the virus and whether they play a role in disease progression and neoplastic transformation remains to be determined...
2018: Frontiers in Chemistry
https://www.readbyqxmd.com/read/29609112/hair-cortisol-concentration-hcc-as-a-measure-for-prenatal-psychological-distress-a-systematic-review
#6
REVIEW
Paula Mustonen, Linnea Karlsson, Noora M Scheinin, Susanna Kortesluoma, Bárbara Coimbra, Ana João Rodrigues, Hasse Karlsson
Prenatal environment reportedly affects the programming of developmental trajectories in offspring and the modification of risks for later morbidity. Among the increasingly studied prenatal exposures are maternal psychological distress (PD) and altered maternal hypothalamus-pituitary-adrenal (HPA) axis functioning. Both prenatal PD and maternal short-term cortisol concentrations as markers for HPA axis activity have been linked to adverse child outcomes and it has been assumed that maternal PD affects the offspring partially via altered cortisol secretion patterns...
March 27, 2018: Psychoneuroendocrinology
https://www.readbyqxmd.com/read/29600229/epidemiology-of-liver-cancer-in-nile-delta-over-a-decade-a-single-center-study
#7
Sherief Abd-Elsalam, Nadia Elwan, Hanan Soliman, Dina Ziada, Walaa Elkhalawany, Marwa Salama, Nehad Hawash, Mona Arafa, Rehab Badawi, Walaa M Shehata, Haidy S Khalil, Nehal Elmashad
Background: In Egypt, there has been a remarkable increase in the proportion of hepatocellular carcinoma (HCC) among chronic liver diseases patients. This rising proportion may be explained by the increasing risk factors as hepatitis C virus (HCV) infection, hepatitis B virus (HBV) infection, improvement of the diagnostic tools of HCC as well as the extended survival among patients with cirrhosis to allow time for some of them to develop HCC. The aim of this study was to study the epidemiology of HCC in Nile delta over the last decade...
January 2018: South Asian Journal of Cancer
https://www.readbyqxmd.com/read/29596884/stip1-is-over-expressed-in-hepatocellular-carcinoma-and-promotes-the-growth-and-migration-of-cancer-cells
#8
Xiaoling Luo, Yuting Liu, Shijie Ma, Lei Liu, Rui Xie, Miaomiao Li, Peng Shen, Shaochuang Wang
Wnt/beta-catenin signaling is frequently activated in hepatocellular carcinoma (HCC). Better understanding the mechanism for its over-activation would help the therapy. In this study, we have shown that the stress-induced phosphoprotein 1 (STIP1) is up-regulated in the HCC tissues. Functional studies showed that STIP1 promoted the growth, colony formation and migration of cancer cells. However, knocking down the expression of STIP1 inhibited the growth, colony formation and migration of cancer cells. Molecular mechanism study showed that STIP1 interacted with Axin, enhanced the interaction between Axin and DVL2, thus activated beta-catenin/TCF signaling...
March 26, 2018: Gene
https://www.readbyqxmd.com/read/29596793/correlation-of-oxidative-stress-in-patients-with-hbv-induced-liver-disease-with-hbv-genotypes-and-drug-resistance-mutations
#9
Jianbo Xianyu, Jiafu Feng, Yuwei Yang, Jie Tang, Gang Xie, Lingying Fan
OBJECTIVE: This study aims to explore the correlation of oxidative stress (OxS) in patients with chronic hepatitis B (CHB) and the disease severity with HBV genotypes and drug resistance mutations. METHODS: A total of 296 patients with CHB were enrolled into the study. PCR-reverse dot-blot hybridization was used to detect the HBV genotypes (B, C, and D) and the drug resistance-causing HBV mutant genes. In addition, the total oxidative stress (TOS) and total antioxidant status (TAS) were determined, and oxidative stress index (OSI) was calculated and compared...
March 26, 2018: Clinical Biochemistry
https://www.readbyqxmd.com/read/29584707/mdm2-p53-interactions-in-human-hepatocellular-carcinoma-what-is-the-role-of-nutlins-and-new-therapeutic-options
#10
REVIEW
Samy A Azer
Human hepatocellular carcinoma (HCC) is the fifth most common cancer and is associated with poor prognosis worldwide. The molecular mechanisms underlying the pathogenesis of HCC have been an area of continuing interest, and recent studies using next generation sequencing (NGS) have revealed much regarding previously unsettled issues. Molecular studies using HCC samples have been mainly targeted with the aim to identify the fundamental mechanisms contributing to HCC and identify more effective treatments. In response to cellular stresses (e...
March 27, 2018: Journal of Clinical Medicine
https://www.readbyqxmd.com/read/29568983/model-prediction-and-validation-of-an-order-mechanism-controlling-the-spatiotemporal-phenotype-of-early-hepatocellular-carcinoma
#11
Stefan Hoehme, Francois Bertaux, William Weens, Bettina Grasl-Kraupp, Jan G Hengstler, Dirk Drasdo
Recently, hepatocyte-sinusoid alignment (HSA) has been identified as a mechanism that supports the coordination of hepatocytes during liver regeneration to reestablish a functional micro-architecture (Hoehme et al. in Proc Natl Acad Sci 107(23):10371-10376, 2010). HSA means that hepatocytes preferentially align along the closest micro-vessels. Here, we studied whether this mechanism is still active in early hepatocellular tumors. The same agent-based spatiotemporal model that previously correctly predicted HSA in liver regeneration was further developed to simulate scenarios in early tumor development, when individual initiated hepatocytes gain increased proliferation capacity...
March 22, 2018: Bulletin of Mathematical Biology
https://www.readbyqxmd.com/read/29565220/implication-of-nano-antioxidant-therapy-for-treatment-of-hepatocellular-carcinoma-using-plga-nanoparticles-of-rutin
#12
Preeti Pandey, Mahfoozur Rahman, Prakash Chandra Bhatt, Sarwar Beg, Basudev Paul, Abdul Hafeez, Fahad A Al-Abbasi, Muhammad Shahid Nadeem, Othman Baothman, Firoz Anwar, Vikas Kumar
AIM: The present work describes the development of poly(lactic co-glycolic acid) (PLGA) nanoparticles (NPs) of rutin (RT) for the treatment of hepatocellular carcinoma in rats. MATERIALS & METHODS: RT-loaded PLGA NPs (RT-PLGA-NPs) were prepared by double emulsion evaporation method. Further these are optimized by Box-Behnken design. PLGA NPs were evaluated for size, polydispersity index, drug-loading capacity, entrapment, gastric stability, in vitro drug release, in vivo preclinical studies and biochemical studies...
March 22, 2018: Nanomedicine
https://www.readbyqxmd.com/read/29563328/peroxisomal-%C3%AE-oxidation-regulates-whole-body-metabolism-inflammatory-vigor-and-pathogenesis-of-nonalcoholic-fatty-liver-disease
#13
Maria E Moreno-Fernandez, Daniel A Giles, Traci E Stankiewicz, Rachel Sheridan, Rebekah Karns, Monica Cappelletti, Kristin Lampe, Rajib Mukherjee, Christian Sina, Anthony Sallese, James P Bridges, Simon P Hogan, Bruce J Aronow, Kasper Hoebe, Senad Divanovic
Nonalcoholic fatty liver disease (NAFLD), a metabolic predisposition for development of hepatocellular carcinoma (HCC), represents a disease spectrum ranging from steatosis to steatohepatitis to cirrhosis. Acox1, a rate-limiting enzyme in peroxisomal fatty acid β-oxidation, regulates metabolism, spontaneous hepatic steatosis, and hepatocellular damage over time. However, it is unknown whether Acox1 modulates inflammation relevant to NAFLD pathogenesis or if Acox1-associated metabolic and inflammatory derangements uncover and accelerate potential for NAFLD progression...
March 22, 2018: JCI Insight
https://www.readbyqxmd.com/read/29559743/stress-induced-phosphoprotein-1-mediates-hepatocellular-carcinoma-metastasis-after-insufficient-radiofrequency-ablation
#14
Tianhong Su, Junbin Liao, Zihao Dai, Lixia Xu, Shuling Chen, Yifei Wang, Zhenwei Peng, Qiuyang Zhang, Sui Peng, Ming Kuang
Recent studies indicated that insufficient radiofrequency ablation (RFA) could endow hepatocellular carcinoma (HCC) with higher aggressive potential. Stress-induced phosphoprotein 1 (STIP1), which was found highly expressed in HCC, is a chaperone molecule mediating cell homeostasis under thermal stress. We aimed to explore the role of STIP1 on the metastasis of residual HCC after RFA. Mice model with orthotopic HCC implants or caudal vein injection were employed to assess potential of lung metastasis and/or intrahepatic metastasis (IHM) of HCC cells...
March 21, 2018: Oncogene
https://www.readbyqxmd.com/read/29558460/p53-as-a-dichotomous-regulator-of-liver-disease-the-dose-makes-the-medicine
#15
REVIEW
Jelena Krstic, Markus Galhuber, Tim J Schulz, Michael Schupp, Andreas Prokesch
Lifestyle-related disorders, such as the metabolic syndrome, have become a primary risk factor for the development of liver pathologies that can progress from hepatic steatosis, hepatic insulin resistance, steatohepatitis, fibrosis and cirrhosis, to the most severe condition of hepatocellular carcinoma (HCC). While the prevalence of liver pathologies is steadily increasing in modern societies, there are currently no approved drugs other than chemotherapeutic intervention in late stage HCC. Hence, there is a pressing need to identify and investigate causative molecular pathways that can yield new therapeutic avenues...
March 20, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29552105/enhanced-radiation-effect-on-smcc7721-cells-through-endoplasmic-reticulum-stress-induced-by-c225-gnps-in-vitro-and-in-vivo
#16
Chuandong Zhu, Lixue Wang, Yang Cai, Guoxiang Wang, Hanfeng Xu, Yuan Wan, Qin Zheng
The high atomic number of gold nanoparticles (GNPs) enables them to offer potential as practical and efficient radiosensitizing agents for cancer radiotherapy applications. In the present study, it was demonstrated that GNPs can significantly modulate the irradiation response of hepatocellular carcinoma (HCC) cells in vitro and in vivo , of which the underlying mechanisms were investigated. Cetuximab (C225) is a targeting agent, which binds to the extracellular domain of epidermal growth factor receptor (EGFR)...
April 2018: Oncology Letters
https://www.readbyqxmd.com/read/29524879/chemosensitizing-effect-of-alpinia-officinarum-rhizome-extract-in-cisplatin-treated-rats-with-hepatocellular-carcinoma
#17
Shimaa A Abass, Nabil M Abdel El-Hamid, Tarek K Abouzed, Mamdouh Mohammad El-Shishtawy
This study was conducted to estimate the preventing and sensitizing efficiency of Alpinia officinarum rhizome extract (AORE) in an experimental model of hepatocellular carcinoma (HCC) +/- cisplatin. HCC was induced by a single intraperitoneal (i.p) dose of diethylnitrosamine (DENA, 200mg/kg). After 14 days, phenobarbitone (PB, 0.05%) was added to drinking water for 14 weeks to promote hepatocarcinogenesis. Cisplatin (CP) was given in a dose of 1.5 mg/kg (i.p), twice a week, alone or with AORE (400 mg/kg daily, orally) for 21 days...
March 7, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29521884/childhood-trauma-perceived-stress-and-hair-cortisol-in-adults-with-and-without-cardiovascular-disease
#18
Stéphanie Bossé, Bianca D'Antono, Tobias Stalder
OBJECTIVE: Childhood trauma has been associated with greater psychological and physical morbidity, including a greater risk of developing cardiovascular disease (CVD). This may partially reflect trauma-induced disturbances in how stress is later perceived and regulated. This study evaluated the associations of childhood trauma with perceived stress and hair cortisol concentrations (HCC) in a large sample of adults with coronary artery disease (CAD) and in non-CVD patients suffering from other non-fatal illnesses...
March 8, 2018: Psychosomatic Medicine
https://www.readbyqxmd.com/read/29519317/16-o-caffeoyl-16-hydroxylhexadecanoic-acid-a-medicinal-plant-derived-phenylpropanoid-induces-apoptosis-in-human-hepatocarcinoma-cells-through-ros-dependent-endoplasmic-reticulum-stress
#19
Ri-Zhen Huang, Xiao-Chao Huang, Bin Zhang, Hai-Yang Jia, Zhi-Xin Liao, Heng-Shan Wang
BACKGROUND: Hepatocellular carcinoma (HCC) is the leading cause of cancer death, and novel chemotherapeutic drugs for treating HCC are urgently needed. 16-O-caffeoyl-16-hydroxylhexadecanoic acid (CHHA) is a new phenylpropanoid isolated by our group from Euphorbia nematocypha which is commonly used to treat solid tumors. However, the underlying mechanisms responsible for the CHHA-induced apoptosis in cancer cells, particularly in HCC, remain unknown. PURPOSE: In the present work, we evaluated the growth inhibitory effect of CHHA on HCC cells and explored the underlying molecular mechanisms...
March 1, 2018: Phytomedicine: International Journal of Phytotherapy and Phytopharmacology
https://www.readbyqxmd.com/read/29515790/impact-of-glutathione-peroxidase-4-on-cell-proliferation-angiogenesis-and-cytokine-production-in-hepatocellular-carcinoma
#20
Nataliya Rohr-Udilova, Eva Bauer, Gerald Timelthaler, Robert Eferl, Klaus Stolze, Matthias Pinter, Martha Seif, Hubert Hayden, Thomas Reiberger, Rolf Schulte-Hermann, Markus Peck-Radosavljevic, Dagmar Stoiber, Michael Trauner
Insufficient supplementation with the micronutrient selenium and persistent hepatic inflammation predispose to hepatocellular carcinoma (HCC). Inflammation-associated reactive oxygen species attack membrane lipids and form lipid hydroperoxides able to propagate oxidative hepatic damage. Selenium-containing enzyme glutathione peroxidase 4 (GPx4) antagonizes this damage by reducing lipid hydroperoxides to respective hydroxides. However, the role of GPx4 in HCC remains elusive. We generated two human HCC cell lines with stable overexpression of GPx4, performed xenotransplantation into NOD...
February 9, 2018: Oncotarget
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