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Hepatocellular cancer

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https://www.readbyqxmd.com/read/28535506/long-noncoding-rna-afap1-as1-promoted-tumor-growth-and-invasion-in-cholangiocarcinoma
#1
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...
May 25, 2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28535183/time-caloric-restriction-inhibits-the-neoplastic-transformation-of-cirrhotic-liver-in-rats-treated-with-diethylnitrosamine
#2
Christian Molina-Aguilar, María de Jesús Guerrero-Carrillo, Jesús Javier Espinosa-Aguirre, Sitlali Olguin-Reyes, Thania Castro-Belio, Olivia Vázquez-Martínez, Julieta Berenice Rivera-Zavala, Mauricio Díaz-Muñoz
Hepatocellular cancer is the most common type of primary liver cancer. Cirrhosis is the main risk factor that generates this malady. It has been proven that caloric restriction protocols and restricted feeding schedules are protective in experimental carcinogenic models. We tested the influence of a time-caloric restriction protocol (2 h of food access during the daytime for 18 weeks) in an experimental model of cirrhosis-hepatocarcinoma produced by weekly administration of diethylnitrosamine. Our results indicate that time-caloric restriction reduced hepatomegaly and prevented the increase in blood leukocytes promoted by diethylnitrosamine...
May 23, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28535182/characterization-of-liver-injury-oval-cell-proliferation-and-cholangiocarcinogenesis-in-glutathione-s-transferase-a3-knockout-mice
#3
Dana R Crawford, Zoran Ilic, Ian Guest, Ginger L Milne, John D Hayes, Stewart Sell
We recently generated glutathione S-transferase (GST) A3 knockout (KO) mice as a novel model to study the risk factors for liver cancer. GSTA3 KO mice are sensitive to the acute cytotoxic and genotoxic effects of aflatoxin B1 (AFB1), confirming the crucial role of GSTA3 in resistance to AFB1. We now report histopathological changes, tumor formation, biochemical changes and gender response following AFB1 treatment as well as the contribution of oxidative stress. Using a protocol of weekly 0.5 mg AFB1/kg administration, we observed extensive oval (liver stem) cell (OC) proliferation within 1-3 weeks followed by microvesicular lipidosis, megahepatocytes, nuclear inclusions, cholangiomas, and small nodules...
May 23, 2017: Carcinogenesis
https://www.readbyqxmd.com/read/28535153/high-energy-particle-beam-and-gamma-radiation-exposure-familial-relatedness-and-cancer-in-mice
#4
Pavel Chernyavskiy, Elijah F Edmondson, Michael M Weil, Mark P Little
BACKGROUND: Some highly penetrant familial cancer syndromes exhibit elevated leukaemia risk, and there is evidence for familial clustering of lung cancer and other common cancers. Lung cancer and leukaemia are strongly radiogenic, but there are few indications that high-energy beam irradiation is markedly more effective than lower-energy radiation. METHODS: We used a Cox model with familially structured random effects to assess 16 mortality end points in a group of 1850 mice in 47 families maintained in a circular-breeding scheme, exposed to accelerated Si or Fe ions (0...
May 23, 2017: British Journal of Cancer
https://www.readbyqxmd.com/read/28535004/peroxiredoxin-5-overexpression-enhances-tumorigenicity-and-correlates-with-poor-prognosis-in-gastric-cancer
#5
Bokyung Kim, Yeon Soo Kim, Hye-Mi Ahn, Hyo Jin Lee, Min Kyu Jung, Hyun Yong Jeong, Dong Kyu Choi, Jun Hyeog Lee, Sang-Rae Lee, Jin Man Kim, Dong-Seok Lee
Gastric cancer is one of the leading causes of cancer-related deaths worldwide. Despite the advanced surgical resection techniques and anticancer drugs currently available to treat early stage gastric cancer, the prognosis of patients with gastric cancer remains poor. The epithelial to mesenchymal transition (EMT) is an important process for the initiation of tumorigenesis. Recent studies suggested that reactive oxygen species (ROS) can promote cell migration and invasion. Thus, an imbalance of redox homeostasis can result in cancer cells exhibiting EMT properties...
May 19, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28534955/long-non%C3%A2-coding-rna-ab019562-promotes-cell-proliferation-and-metastasis-in-human-hepatocellular-carcinoma
#6
Fan Wu, Jie Li, Xin Du, Weisan Zhang, Ping Lei, Qiang Zhang
Increasing evidence has supported the prognostic and therapeutic values of long non-coding RNAs (LncRNAs) in human tumorigenesis. Hepatocellular carcinoma (HCC), as one of the most refractory diseases, continues to warrant investigation for novel clues to enable early diagnosis. In the present study, the role of LncRNA AB019562 in cell proliferation and metastasis was investigated in HCC. Reverse transcription‑quantitative polymerase chain reaction analysis was performed to determine the expression of AB019562 in clinical HCC samples and cultured HCC cells...
May 19, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28534824/isorhynchophylline-a-potent-plant-alkaloid-induces-apoptotic-and-anti-metastatic-effects-in-human-hepatocellular-carcinoma-cells-through-the-modulation-of-diverse-cell-signaling-cascades
#7
Hanwool Lee, Seung Ho Baek, Jong Hyun Lee, Chulwon Kim, Jeong-Hyeon Ko, Seok-Geun Lee, Arunachalam Chinnathambi, Sulaiman Ali Alharbi, Woong Mo Yang, Jae-Young Um, Gautam Sethi, Kwang Seok Ahn
Isorhynchophylline (Rhy) is an active pharmacological component of Uncaria rhynchophylla that has been reported previously to exert significant antihypertensive and neuroprotective effects. However, very little is known about its potential anti-cancer activities. This study was carried out to evaluate the anticancer effects of Rhy against various human carcinoma cell lines. We found that Rhy exhibited substantial cytotoxic effect against human hepatocellular carcinoma HepG2 cells when compared with other human carcinoma cell lines including those of lung, pancreas, prostate, head and neck, breast, multiple myeloma, brain and renal cell carcinoma...
May 19, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28534383/in-vitro-anticancer-activity-and-cytotoxicity-screening-of-phytochemical-extracts-from-selected-traditional-chinese-medicinal-plants
#8
Chao Liang, Hui Pan, Haizhou Li, Yang Zhao, Yang Feng
PURPOSE: The purpose of this study was to evaluate the anticancer activity of 10 selected traditional Chinese medicinal plants on 4 cancer cell lines, namely MCF-7 (breast carcinoma), BALL-1 (acute lymphoblastic leukemia), Huh-7 (hepatocellular carcinoma), HeLa (cervical carcinoma) and their cytotoxicity on a normal cell line, namely MCF-10A (non-tumorigenic mammary epithelial line), about which there were few reports previously. METHODS: Six phytochemical extracts, namely petroleum ether extract (PEE), chloroform extract (CE), ethyl acetate extract (EAE), n-butanol extract (BE), the remainder after extraction (RE) and water extract (WE) from each plant were prepared...
March 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
https://www.readbyqxmd.com/read/28533682/polyethylene-glycol-poly-%C3%AE%C2%B5-benzyloxycarbonyl-l-lysine-conjugated-vegf-sirna-for-antiangiogenic-gene-therapy-in-hepatocellular-carcinoma
#9
Gangmin Wang, XiaoLong Gao, GuoJun Gu, ZhiHong Shao, MingHua Li, PeiJun Wang, JianRong Yang, XiaoJun Cai, YongYong Li
A polyethylene glycol-poly(ε-benzyloxycarbonyl-l-lysine) (PEG-SS-PLL) block copolymer based on a disulfide-linked, novel biodegradable catiomer bearing a PEG-sheddable shell was developed to avoid "PEG dilemma" in nanoparticle intracellular tracking of PEG-PLL where PEG was nondegradable. However, PEG-SS-PLL catiomers have not been used to deliver small interfering VEGF RNA (siVEGF) in antiangiogenesis gene therapy. In this study, we aimed to investigate whether this novel biodegradable catiomer can deliver siVEGF into cancer cells and at the same time have an antitumor effect in a xenograft mouse model...
2017: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/28533658/checkpoint-inhibitors-in-gastrointestinal-cancers-expectations-and-reality
#10
EDITORIAL
Hampig Raphael Kourie, Samer Tabchi, Marwan Ghosn
Immune checkpoint inhibitors represent revolutionary anti-cancer agents, being rapidly approved in different malignancies and settings. Gastrointestinal (GI) cancers represent a wide variety of tumors with specific characteristics and different responses to various therapeutic alternatives; while some are chemo-sensitive others are chemo-resistant and only respond to more aggressive cytotoxic regimens, targeted therapies or a combination of both. Preliminary results of immune checkpoint inhibitors in some GI cancers are promising, namely in hepatocellular carcinoma, anal cancers and microsatellite instability high colorectal cancers...
May 7, 2017: World Journal of Gastroenterology: WJG
https://www.readbyqxmd.com/read/28533482/cd147-functions-as-the-signaling-receptor-for-extracellular-divalent-copper-in-hepatocellular-carcinoma-cells
#11
Pengfei Ding, Xin Zhang, Shujuan Jin, Bo Duan, Pengxiang Chu, Yufei Zhang, Zhi-Nan Chen, Bin Xia, Fei Song
Elevated copper levels in tumor microenvironment are directly correlated to cancer progression in a variety of malignancies. Copper is required in angiogenesis, and promotes the proliferation and metastasis of cancer cells. However, the molecular mechanism of copper in promoting cancer progression remains elusive. Here we report that CD147 serves as a signaling receptor for extracellular Cu2+ in hepatocellular carcinoma (HCC) cells. Cu2+ binds to the extracellular membrane-proximal domain of CD147 and mediates its self-association...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28533225/multi-functional-effects-of-a-small-molecule-stat3-inhibitor-on-nash-and-hcc-in-mice
#12
Kwang Hwa Jung, Wonbeak Yoo, Heather L Stevenson, Dipti Deshpande, Hong Shen, Mihai Gagea, Suk-Young Yoo, Jing Wang, Thomas Kris Eckols, Uddalak Bharadwaj, David J Tweardy, Laura Beretta
The incidence of hepatocellular carcinoma (HCC) is increasing in the United States and liver cancer is the second leading cause of cancer-related mortality worldwide. Non-alcoholic steatohepatitis (NASH) is becoming an important risk for HCC and most patients with HCC have underlying liver cirrhosis and compromised liver function, which limit treatment options. Thus, novel therapeutic strategies to prevent or treat HCC in the context of NASH and cirrhosis are urgently needed. <br /><br />Experimental Design: Constitutive activation of signal transducer and activator of transcription 3 (STAT3) is frequently detected in HCC tumors...
May 22, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/28532996/histone-methyltransferase-g9a-promotes-liver-cancer-development-by-epigenetic-silencing-of-tumor-suppressor-gene-rarres3
#13
Lai Wei, David Kung-Chun Chiu, Felice Ho-Ching Tsang, Dicky Cheuk-Ting Law, Carol Lai-Hung Cheng, Sandy Leung-Kuen Au, Joyce Man-Fong Lee, Carmen Chak-Lui Wong, Irene Oi-Lin Ng, Chun-Ming Wong
BACKGROUND AND AIMS: Hepatocellular carcinoma (HCC) is a major leading cause of cancer mortality worldwide. Epigenetic deregulation is a common trait of human HCC. G9s is an important epigenetics regulator. However, its roles in liver carcinogenesis remain to be investigated. METHODS: Gene expressions were determined by RNA-Seq and qRT-PCR. G9a knockdown and knockout cell lines were established by lentiviral-based shRNA and CRISPR/Cas9 gene editing system. Tumor promoting functions of G9a was studied by both in HCC cell lines and nude mice model...
May 19, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/28531143/a-4-phenoxyphenol-derivative-exerts-inhibitory-effects-on-human-hepatocellular-carcinoma-cells-through-regulating-autophagy-and-apoptosis-accompanied-by-downregulating-%C3%AE-tubulin-expression
#14
Wen-Tsan Chang, Wangta Liu, Yi-Han Chiu, Bing-Hung Chen, Shih-Chang Chuang, Yen-Chun Chen, Yun-Tzh Hsu, Mei-Jei Lu, Shean-Jaw Chiou, Chon-Kit Chou, Chien-Chih Chiu
Hepatocellular carcinoma (HCC) is a leading cancer worldwide. Advanced HCCs are usually resistant to anticancer drugs, causing unsatisfactory chemotherapy outcomes. In this study, we showed that a 4-phenoxyphenol derivative, 4-[4-(4-hydroxyphenoxy)phenoxy]phenol (4-HPPP), exerts an inhibitory activity against two HCC cell lines, Huh7 and Ha22T. We further investigated the anti-HCC activities of 4-HPPP, including anti-proliferation and induction of apoptosis. Our results showed that higher dosage of 4-HPPP downregulates the expression of α-tubulin and causes nuclear enlargement in both the Huh-7 and Ha22T cell lines...
May 21, 2017: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/28529605/mutual-regulation-of-mir-199a-5p-and-hif-1%C3%AE-modulates-the-warburg-effect-in-hepatocellular-carcinoma
#15
Binkui Li, Liru He, Dinglan Zuo, Wei He, Yongjin Wang, Yuanping Zhang, Wenwu Liu, Yunfei Yuan
The Warburg effect is one of the major metabolic changes of cancer cells, which characterized by high level of glycolysis even in the presence of oxygen. However, the role of microRNAs (miRNAs) in regulating the glycolytic switch in cancer cells has not been well explored. In this study, we demonstrated that miR-199a-5p acts as a suppressor of the Warburg effect in hepatocellular carcinoma (HCC). MiR-199a-5p directly targets the 3'-untranslated region (UTR) of hypoxia-inducible factor-1α (HIF-1α), thereby suppressing glucose uptake, lactate production, cell growth, and expression of HIF-1α downstream glycolytic genes of HCC cells...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28529580/microrna-592-targets-igf-1r-to-suppress-cellular-proliferation-migration-and-invasion-in-hepatocellular-carcinoma
#16
Wenyao Wang, Hongfei Zhang, Mao Tang, Longlong Liu, Zhengfang Zhou, Shaojun Zhang, Lichao Wang
MicroRNAs (miRs) can function as tumor suppressors or oncogenes in different types of human malignancy, and may provide an effective therapy for cancer. The expression and functions of miR-592 have previously been studied in relation to cancer. However, the expression and potential functions of miR-592 in hepatocellular carcinoma (HCC) are still unknown. Using quantitative polymerase chain reaction, MTT assays, cellular migration and invasion assays, bioinformatics software, western blot analysis and dual-luciferase report assays, the present study explored the expression and roles of miR-592 in HCC...
May 2017: Oncology Letters
https://www.readbyqxmd.com/read/28529542/frequency-and-geographic-distribution-of-tert-promoter-mutations-in-primary-hepatocellular-carcinoma
#17
REVIEW
Francesca Pezzuto, Luigi Buonaguro, Franco M Buonaguro, Maria Lina Tornesello
Primary hepatocellular carcinoma (HCC) mainly develops in subjects chronically infected with hepatitis B (HBV) and C (HCV) viruses through a multistep process characterized by the accumulation of genetic alterations in the human genome. Nucleotide changes in coding regions (i.e. TP53, CTNNB1, ARID1A and ARID2) as well as in non-coding regions (i.e. TERT promoter) are considered cancer drivers for HCC development with variable frequencies in different geographic regions depending on the etiology and environmental factors...
2017: Infectious Agents and Cancer
https://www.readbyqxmd.com/read/28528797/a-case-control-study-of-non-aids-defining-cancers-in-a-prospective-cohort-of-hiv-infected-patients
#18
Francisco Rodríguez Arrondo, Miguel Ángel von Wichmann, Xabier Camino, Miguel Ángel Goenaga, Maialen Ibarguren, Harkaitz Azcune, María Jesús Bustinduy, Oscar Ferrero, Josefa Muñoz, Sofía Ibarra, Koldo Aguirrebengoa, Josune Goicoetxea, Elena Bereciartua, Miguel Montejo, M Asunción García, Eduardo Martínez, Joseba Portu, Luis Metola, Rafael Silvariño, Cristina Sarasqueta, Julio Arrizabalaga, Jose Antonio Iribarren
INTRODUCTION: We present a case-control study of non-AIDS-defining cancers (NADCs) in a cohort of HIV-infected patients where we value the incidence, survival and prognostic factors of mortality. METHODS: All NADCs diagnosis conducted from 2007 to 2011 in 7 hospitals were collected prospectively, with a subsequent follow up until December 2013. A control group of 221 HIV patients without a diagnosis of cancer was randomly selected. RESULTS: Two hundred and twenty-one NADCs were diagnosed in an initial cohort of 7,067 HIV-infected patients...
May 18, 2017: Medicina Clínica
https://www.readbyqxmd.com/read/28527884/adjuvant-medications-that-improve-survival-after-locoregional-therapy
#19
F Edward Boas, Etay Ziv, Hooman Yarmohammadi, Karen T Brown, Joseph P Erinjeri, Constantinos T Sofocleous, James J Harding, Stephen B Solomon
PURPOSE: To determine if outpatient medications taken at the time of liver tumor embolization or ablation affect survival. MATERIALS AND METHODS: A retrospective review was done of 2,032 liver tumor embolization, radioembolization, and ablation procedures performed in 1,092 patients from June 2009 to April 2016. Pathology, hepatocellular carcinoma (HCC) stage (American Joint Committee on Cancer), neuroendocrine tumor (NET) grade, initial locoregional therapy, overall survival after initial locoregional therapy, Child-Pugh score, Eastern Cooperative Oncology Group performance status, Charlson Comorbidity Index, and outpatient medications taken at the time of locoregional therapy were analyzed for each patient...
May 17, 2017: Journal of Vascular and Interventional Radiology: JVIR
https://www.readbyqxmd.com/read/28527050/interplay-between-sirt-3-metabolism-and-its-tumor-suppressor-role-in-hepatocellular-carcinoma
#20
REVIEW
Serena De Matteis, Anna Maria Granato, Roberta Napolitano, Chiara Molinari, Martina Valgiusti, Daniele Santini, Francesco Giuseppe Foschi, Giorgio Ercolani, Umberto Vespasiani Gentilucci, Luca Faloppi, Mario Scartozzi, Giovanni Luca Frassineti, Andrea Casadei Gardini
Sirtuins (SIRT), first described as nicotinamide adenine dinucleotide (NAD(+))-dependent type III histone deacetylases, are produced by cells to support in the defense against chronic stress conditions such as metabolic syndromes, neurodegeneration, and cancer. SIRT-3 is one of the most studied members of the mitochondrial sirtuins family. In particular, its involvement in metabolic diseases and its dual role in cancer have been described. In the present review, based on the evidence of SIRT-3 involvement in metabolic dysfunctions, we aimed to provide an insight into the multifaceted role of SIRT-3 in many solid and hematological tumors with a particular focus on hepatocellular carcinoma (HCC)...
May 19, 2017: Digestive Diseases and Sciences
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