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https://www.readbyqxmd.com/read/28098898/a-hepatic-stem-cell-vaccine-is-superior-to-an-embryonic-stem-cell-vaccine-in-the-prophylaxis-and-treatment-of-murine-hepatocarcinoma
#1
Qi Zheng, Yichao Zheng, Jing Chen, Jia You, Yueyong Zhu, Yurui Liu, Jia Ji Jiang
Stem cells and cancer cells express a common subset of antigens called oncofetal antigens. Theoretically, vaccination with stem cells is effective at boosting the preexisting anticancer immune response. Herein we describe the efficacy of two stem cell-based vaccines in the prophylaxis and treatment of subcutaneous hepatic tumors transplanted into mice. C57BL/6j mice were vaccinated weekly with either hepatic stem cells (HSCs) or embryonic stem cells (ESCs) for three weeks, followed by a subcutaneous challenge with Hepa 1-6 cells at one week (group 1) or four weeks (group 2) after vaccination...
January 17, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28094854/synthesis-and-antioxidant-properties-of-caffeic-acid-corn-bran-arabinoxylan-esters
#2
Yanli Li, Yuanbo Zhu, Rong Liang, Cheng Yang
OBJECTIVE: As a potential of bioactive additives, corn bran arabinoxylan (CAX) was prominent in its probiotic benefits and immuno-enhancing activities. In order to improve the antioxidant ability of CAX, naturally occurring caffeic acid (CA) was covalently attached to CAX by esterification to generate caffeic acid corn bran arabinoxylan esters (CA-CAX) with various degrees of substitution (DS). METHODS: The structure of CA-CAX was analyzed by NMR and the DS was determined by HPLC...
January 17, 2017: International Journal of Cosmetic Science
https://www.readbyqxmd.com/read/28076482/correlation-of-non-alcoholic-fatty-liver-disease-and-features-of-metabolic-syndrome-in-morbidly-obese-patients-in-the-preoperative-assessment-for-bariatric-surgery
#3
Fernando de Barros, Sergio Setúbal, José Manoel Martinho, Loraine Ferraz, Andressa Gaudêncio
Background: Obesity is an epidemic and chronic disease that can bring other comorbidities to the patient. Non-alcoholic fatty liver disease is present in up to 90% of these patients and can progress to hepatitis and hepatocarcinoma. The relationship of this liver disease and obesity is already well known; however, it is possible that some parameters of the comorbidities are more related than others in the pathophysiology of the disease. Aim: Was analyzed the relationship between non-alcoholic fatty liver disease (NAFLD) and the comorbidities of metabolic syndrome in morbidly obese patients...
November 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/28076478/liver-transplantation-for-carcinoma-hepatocellular-in-s%C3%A3-o-paulo-414-cases-by-the-milan-brazil-criteria
#4
Gustavo Pilotto D Sá, Fernando P P Vicentine, Alcides A Salzedas-Netto, Carla Adriana Loureiro de Matos, Luiz R Romero, Dario F P Tejada, Paulo Celso Bosco Massarollo, Gaspar J Lopes-Filho, Adriano M Gonzalez
Background: The criterion of Milan (CM) has been used as standard for indication of liver transplantation (LTx) for hepatocellular carcinoma (HCC) worldwide for nearly 20 years. Several centers have adopted criteria expanded in order to increase the number of patients eligible to liver transplantation, while maintaining good survival rates. In Brazil, since 2006, the criterion of Milan/Brazil (CMB), which disregards nodules <2 cm, is adopted, including patients with a higher number of small nodules...
November 2016: Arquivos Brasileiros de Cirurgia Digestiva: ABCD, Brazilian Archives of Digestive Surgery
https://www.readbyqxmd.com/read/28071871/harmonization-of-mangiferin-on-methylmercury-engendered-mitochondrial-dysfunction
#5
Shubhankar Das, Ajanta Paul, Kamalesh D Mumbrekar, Satish B S Rao
Mangiferin (MGN), a C-glucosylxanthone abundantly found in mango plants, was studied for its potential to ameliorate methylmercury (MeHg) induced mitochondrial damage in HepG2 (human hepatocarcinoma) cell line. Cell viability experiments performed using 3-[4,5-dimethylthiazol-2-yl]-2,5- diphenyltetrazolium bromide (MTT) showed protective property of MGN in annulling MeHg-induced cytotoxicity. Conditioning the cells with optimal dose of MGN (50 µM) lowered MeHg-induced oxidative stress, calcium influx/efflux, depletion of mitochondrial trans-membrane potential and prevented mitochondrial fission as observed by decrease in Mitotracker red fluorescence, expression of pDRP1 (serine 616), and DRP1 levels...
February 2017: Environmental Toxicology
https://www.readbyqxmd.com/read/28067150/low-dose-5-fluorouracil-sensitizes-hepg2-cells-to-trail-through-trail-receptor-dr5-and-survivin-dependent-mechanisms
#6
Lijun Yang, Yutao Wang, Haifeng Zheng, Dong Zhang, Xiangwei Wu, Gongqin Sun, Tao Yang
Tumour necrosis factor-related apoptosis-inducing ligand (TRAIL) is a promising candidate for cancer treatment due to its highly selective apoptosis-inducing action on tumour cells without harming normal cells. However, because of TRAIL resistance by some cancer cells, combined treatment with sensitizing agents is required to enhance the anticancer potential of TRAIL. In the present study, we investigated the sensitizing effect of 5-fluorouracil (5-FU) on TRAIL-induced apoptosis in TRAIL-resistant HepG2 hepatocarcinoma cells...
January 9, 2017: Journal of Chemotherapy
https://www.readbyqxmd.com/read/28063819/toxicological-interactions-of-silver-nanoparticles-and-non-essential-metals-in-human-hepatocarcinoma-cell-line
#7
Renata Rank Miranda, Arandi Ginane Bezerra, Ciro Alberto Oliveira Ribeiro, Marco Antônio Ferreira Randi, Carmen Lúcia Voigt, Lilian Skytte, Kaare Lund Rasmussen, Frank Kjeldsen, Francisco Filipak Neto
Toxicological interaction represents a challenge to toxicology, particularly for novel contaminants. There are no data whether silver nanoparticles (AgNPs), present in a wide variety of products, can interact and modulate the toxicity of ubiquitous contaminants, such as nonessential metals. In the current study, we investigated the toxicological interactions of AgNP (size=1-2nm; zeta potential=-23mV), cadmium and mercury in human hepatoma HepG2 cells. The results indicated that the co-exposures led to toxicological interactions, with AgNP+Cd being more toxic than AgNP+Hg...
January 4, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/28029021/bile-acid-nuclear-receptor-farnesoid-x-receptor-therapeutic-target-for-nonalcoholic-fatty-liver-disease
#8
REVIEW
Sun Gi Kim, Byung Kwon Kim, Kyumin Kim, Sungsoon Fang
Nonalcoholic fatty liver disease (NAFLD) is one of the causes of fatty liver, occurring when fat is accumulated in the liver without alcohol consumption. NAFLD is the most common liver disorder in advanced countries. NAFLD is a spectrum of pathology involving hepatic steatosis with/without inflammation and nonalcoholic steatohepatitis with accumulation of hepatocyte damage and hepatic fibrosis. Recent studies have revealed that NAFLD results in the progression of cryptogenic cirrhosis that leads to hepatocarcinoma and cardiovascular diseases such as heart failure...
December 2016: Endocrinology and Metabolism
https://www.readbyqxmd.com/read/27999200/metalloproteinase-meprin-%C3%AE-regulates-migration-and-invasion-of-human-hepatocarcinoma-cells-and-is-a-mediator-of-the-oncoprotein-reptin
#9
Osman Breig, Maïlyn Yates, Véronique Neaud, Gabrielle Couchy, Aude Grigoletto, Carlo Lucchesi, Johannes Prox, Jessica Zucman-Rossi, Christoph Becker-Pauly, Jean Rosenbaum
Hepatocellular carcinoma is associated with a high rate of intra-hepatic invasion that carries a poor prognosis. Meprin alpha (Mep1A) is a secreted metalloproteinase with many substrates relevant to cancer invasion. We found that Mep1A was a target of Reptin, a protein that is oncogenic in HCC. We studied Mep1A regulation by Reptin, its role in HCC, and whether it mediates Reptin oncogenic effects.MepA and Reptin expression was measured in human HCC by qRT-PCR and in cultured cells by PCR, western blot and enzymatic activity measurements...
December 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/27994465/polyethylenimine-functionalized-silver-nanoparticle-based-co-delivery-of-paclitaxel-to-induce-hepg2-cell-apoptosis
#10
Yinghua Li, Min Guo, Zhengfang Lin, Mingqi Zhao, Misi Xiao, Changbing Wang, Tiantian Xu, Tianfeng Chen, Bing Zhu
Hepatocarcinoma is the third leading cause of cancer-related deaths around the world. Recently, a novel emerging nanosystem as anticancer therapeutic agents with intrinsic therapeutic properties has been widely used in various medical applications. In this study, surface decoration of functionalized silver nanoparticles (AgNPs) by polyethylenimine (PEI) and paclitaxel (PTX) was synthesized. The purpose of this study was to evaluate the effect of Ag@ PEI@PTX on cytotoxic and anticancer mechanism on HepG2 cells...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27941649/extract-of-monascus-purpureus-cwt715-fermented-from-sorghum-liquor-biowaste-inhibits-migration-and-invasion-of-sk-hep-1-human-hepatocarcinoma-cells
#11
Wen-Teish Chang, Cheng-Hung Chuang, Wan-Ju Lee, Chin-Shiu Huang
Liver cancer is the most endemic cancer in a large region of the world. This study investigated the anti-metastatic effects of an extract of Monascus purpureus CWT715 (MP) fermented from sorghum liquor biowaste and its mechanisms of action in highly metastatic human hepatocarcinoma SK-Hep-1 cells. Kinmen sorghum liquor waste was used as the primary nutrient source to produce metabolites (including pigments) of MP. In the presence of 10 µg/mL MP-fermented broth (MFB), the anti-invasive activity increased with increasing fermentation time reaching a maximum at six days of fermentation...
December 8, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27939274/helional-induced-activation-of-human-olfactory-receptor-2j3-promotes-apoptosis-and-inhibits-proliferation-in-a-non-small-cell-lung-cancer-cell-line
#12
Benjamin Kalbe, Viola Maria Schulz, Marian Schlimm, Stathis Philippou, Nikolina Jovancevic, Fabian Jansen, Paul Scholz, Hermann Lübbert, Marvin Jarocki, Andreas Faissner, Erich Hecker, Sophie Veitinger, Teresa Tsai, Sabrina Osterloh, Hanns Hatt
Studies within the last decade have localized the functional expression of olfactory receptors (ORs) to cells outside of the olfactory epithelium. In human hepatocarcinoma and prostate cancer cells, the activation of ORs by odors modulates elementary physiological processes and leads to an inhibitory effect on proliferation. Cells of the respiratory tract are in direct contact with the surrounding air, in which a myriad of volatile molecules, especially odors, are present. Non-small-cell lung cancer (NSCLC) has a high prevalence, a high mortality rate and is difficult to treat...
December 5, 2016: European Journal of Cell Biology
https://www.readbyqxmd.com/read/27934140/a54-peptide-modified-and-redox-responsive-glucolipid-conjugate-micelles-for-intracellular-delivery-of-doxorubicin-in-hepatocarcinoma-therapy
#13
Na Liu, Yanan Tan, Yingwen Hu, Tingting Meng, Lijuan Wen, Jingwen Liu, Bolin Cheng, Hong Yuan, Xuan Huang, Fuqiang Hu
Redox-responsive nanomaterials applied in drug delivery systems (DDS) have attracted an increasing attention in pharmaceutical research as a carrier for antitumor therapy. However, there would be unwanted drug release from a redox-responsive DDS with no selection at nontarget sites, leading to undesirable toxicities in normal tissues and cells. Here, an A54 peptide modified and PEGylated reduction cleavable glucolipid conjugate (A54-PEG-CSO-ss-SA, abbreviated to APCssA) was designed for intracellular delivery of doxorubicin (DOX)...
December 7, 2016: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/27932311/daclatasvir-prevents-hepatitis-c-virus-by-blocking-transfer-of-viral-genome-to-assembly-sites
#14
Bertrand Boson, Solène Denolly, Fanny Turlure, Christophe Chamot, Marlène Dreux, François-Loïc Cosset
BACKGROUND & AIMS: Daclatasvir is a direct-acting antiviral agent and potent inhibitor of NS5A, which is involved in replication of the hepatitis C virus (HCV) genome, presumably via membranous web shaping, and assembly of new virions, likely via transfer of the HCV RNA genome to viral particle assembly sites. Daclatasvir inhibits the formation of new membranous web structures and, ultimately, of replication complex vesicles, but also inhibits an early assembly step. We investigated the relationship between daclatasvir-induced clustering of HCV proteins, intracellular localization of viral RNAs and inhibition of viral particle assembly...
December 5, 2016: Gastroenterology
https://www.readbyqxmd.com/read/27932122/analysis-of-the-first-1000-liver-transplants-in-virgen-del-roc%C3%A3-o-hospital
#15
J Tinoco-González, G Suárez-Artacho, C Bernal-Bellido, C Cepeda-Franco, I Ramallo-Solis, L Marín-Gómez, J M Álamo-Martínez, J Serrano-Díez-Canedo, J Padillo-Ruíz, M A Gómez-Bravo
The goal of this work has been to analyze the first 1000 liver transplantations (LTs) performed in the Virgen del Rocío Hospital of Seville and to evaluate the changes in that time. We included 916 patients who had 1000 LTs. We distinguish 2 stages in the follow-up: the first stage, between 1990 and 2002, and the second, from 2003 to 2013 (Model for End-stage Liver Disease [MELD] stage). We analyzed recipient features, LT indications, donation criteria, surgical technique, complications, and survival both for patients and grafts...
November 2016: Transplantation Proceedings
https://www.readbyqxmd.com/read/27897307/-occipital-neuralgia-as-the-first-symptom-of-a-hepatocarcinoma
#16
A Velazquez-Benito, E Bellosta-Diago, S Santos-Lasaosa, C Iniguez-Martinez, C Perez-Lazaro
No abstract text is available yet for this article.
December 16, 2016: Revista de Neurologia
https://www.readbyqxmd.com/read/27895771/co-culture-of-hepatoma-cells-with-hepatocytic-precursor-stem-like-cells-inhibits-tumor-cell-growth-and-invasion-by-downregulating-akt-nf-%C3%AE%C2%BAb-expression
#17
Cheng-Jun Sui, Miao Xu, Wei-Qing Li, Jia-Mei Yang, Hong-Zhu Yan, Hui-Min Liu, Chun-Yan Xia, Hong-Yu Yu
Hepatocytic stem cells (HSCs) have inhibitory effects on hepatocarcinoma cells. The present study investigated the effects of HSC activity in hepatocarcinoma cells in vitro. A Transwell co-culture system of hepatocytic precursor (stem-like) WB-F344 cells and hepatoma CBRH-7919 cells was used to assess HSC activity in metastasized hepatoma cells in vitro. Nude mouse xenografts were used to assess HSC activity in vivo. Co-culture of hepatoma CBRH-7919 cells with WB-F344 cells suppressed the growth and colony formation, tumor cell migration and invasion capacity of CBRH-7919 cells...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27886213/promotive-effects-of-bone-morphogenetic-protein-2-on-angiogenesis-in-hepatocarcinoma-via-multiple-signal-pathways
#18
Wei-Han Zuo, Peng Zeng, Xi Chen, Yan-Jun Lu, An Li, Jian-Bin Wu
The effects of Bone morphogenetic protein 2 (BMP-2) on the angiogenesis of hepatocellular carcinoma have not yet been observed and its molecular mechanisms is not clear. We first constructed the recombinant lentivirus vectors expressing small hairpin RNA against BMP-2 gene (LV-SH-BMP2) and the recombinant lentivirus vectors over-expressing BMP-2 (overexpression-LV-BMP2), and then the two recombinant lentivirus vectors were respectively transfected into Hep G2 cells. The Hep G2 cells transfected with LV-SH-BMP2 or overexpression-LV-BMP2 were respectively co-cultured with human umbilical vein endothelial cells (HUVECs) to observe the effects of BMP-2 on HUVECs...
November 25, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27882064/the-evaluation-and-comparison-of-transcriptionally-targeted-noxa-and-puma-killer-genes-to-initiate-apoptosis-under-cancer-specific-promoter-cxcr1-in-hepatocarcinoma-gene-therapy
#19
Shahryar Khoshtinat Nikkhoi, Hedieh Heydarzadeh, Saeed Ranjbar, Fatemeh Salimi, Masoud Aghaeifard, Seyed Moayed Alavian, Azadeh Reshadmanesh
BACKGROUND: Cancerous cells proliferate as fast as possible without a proper surveillance system. This rapid cell division leads to enormous mutation rates, which help a tumor establish. OBJECTIVES: This study evaluated the potential of inducing apoptosis using Noxa and Puma in a hepatocarcinoma cell line. METHODS: The current study generated two recombinant lentiviruses, pLEX-GCN and pLEX-GCP, bearing Noxa and Puma, respectively. Transduction of both genes to hepatocarcinoma (HepG2) was verified using fluorescent microscopic analysis, western blotting, and quantitative real-time polymerase chain reaction (PCR)...
October 2016: Hepatitis Monthly
https://www.readbyqxmd.com/read/27878958/inhibition-of-orai1-mediated-ca-2-entry-enhances-chemosensitivity-of-hepg2-hepatocarcinoma-cells-to-5-fluorouracil
#20
Bao-Dong Tang, Xin Xia, Xiao-Fei Lv, Bei-Xin Yu, Jia-Ni Yuan, Xiao-Yi Mai, Jin-Yan Shang, Jia-Guo Zhou, Si-Jia Liang, Rui-Ping Pang
Increasing evidence supports that activation of store-operated Ca(2+) entry (SOCE) is implicated in the chemoresistance of cancer cells subjected to chemotherapy. However, the molecular mechanisms underlying chemoresistance are not well understood. In this study, we aim to investigate whether 5-FU induces hepatocarcinoma cell death through regulating Ca(2+) -dependent autophagy. [Ca(2+) ]i was measured using fura2/AM dye. Protein expression was determined by Western blotting and immunohistochemistry. We found that 5-fluorouracil (5-FU) induced autophagic cell death in HepG2 hepatocarcinoma cells by inhibiting PI3K/AKT/mTOR pathway...
November 23, 2016: Journal of Cellular and Molecular Medicine
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