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https://www.readbyqxmd.com/read/29159818/c-ebp%C3%AE-dependent-pre-neoplastic-tumor-foci-are-the-origin-of-hepatocellular-carcinoma-and-aggressive-pediatric-liver-cancer
#1
Ashley Cast, Leila Valanejad, Mary Wright, Phuong Nguyen, Anita Gupta, Liqin Zhu, Soona Shin, Nikolai Timchenko
Recent publications show that classic hepatoblastoma (HBL) is the result of failure of hepatic stem cells to differentiate into hepatocytes; while hepatocellular carcinoma (HCC) is caused by the de-differentiation of hepatocytes into Cancer Stem Cells (CSCs). However, the mechanisms of aggressive HBL and mechanisms that cause de-differentiation of hepatocytes into CSCs are unknown. We found that, similar to HCC but opposite to classic HBL, aggressive HBL is the result of de-differentiation of hepatocytes into CSCs...
November 21, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/29158005/1-25-oh-2d3-induced-apoptosis-of-human-hepatocellular-carcinoma-cells-in-vitro-and-inhibited-their-growth-in-a-nude-mouse-xenograft-model-by-regulating-histone-deacetylase-2
#2
Jian Huang, Guozhen Yang, Yunzhu Huang, Shu Zhang
The aim of this study was to evaluate the effects of 1,25(OH)2D3 on the apoptosis of human hepatocellular carcinoma (HCC) cells. The effects of 1,25(OH)2D3 on the proliferation and apoptosis of human HCC cells by regulating histone deacetylase 2 (HDAC2) were assessed by MTT assay and flow cytometry. The effects of 1,25(OH)2D3 on the expressions of related proteins in the apoptosis pathway by regulating HDAC2 as well as the mechanism were studied by Western blot and quantitative real-time PCR. A nude mouse model of HCC xenograft was established...
November 17, 2017: Biochimie
https://www.readbyqxmd.com/read/29156790/kaempferol-induces-autophagic-cell-death-of-hepatocellular-carcinoma-cells-via-activating-ampk-signaling
#3
Bing Han, Yi-Qun Yu, Qi-Lian Yang, Chun-Ying Shen, Xiao-Juan Wang
In the present study, we demonstrate that Kaempferol inhibited survival and proliferation of established human hepatocellular carcinoma (HCC) cell lines (HepG2, Huh-7, BEL7402, and SMMC) and primary human HCC cells. Kaempferol treatment in HCC cells induced profound AMP-activated protein kinase (AMPK) activation, which led to Ulk1 phosphorylation, mTOR complex 1 inhibition and cell autophagy. Autophagy induction was reflected by Beclin-1/autophagy gene 5 upregulation and p62 degradation as well as light chain 3B (LC3B)-I to LC3B-II conversion and LC3B puncta formation...
October 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/29152431/intensity-modulated-proton-therapy-with-advanced-planning-techniques-in-a-challenging-hepatocellular-carcinoma-patient
#4
Smith Apisarnthanarax, Jatinder Saini, Avril O'Ryan-Blair, Jackie Castro, Stephen R Bowen
The use of radiation therapy has been increasing over recent years for the treatment of hepatocellular carcinoma (HCC). Proton beam therapy (PBT) has emerged as a promising treatment option for HCC patients due to its dosimetric advantages of sparing more normal liver tissue from radiation at low to moderate doses compared to photon-based treatments while still delivering high doses of radiation to tumors. The PBT therapy may be particularly beneficial in high-risk HCC cirrhotic patients with large, bulky tumors and/or vascular invasion complicated by surrounding perfusion abnormalities...
September 10, 2017: Curēus
https://www.readbyqxmd.com/read/29152116/microrna-526b-servers-as-a-prognostic-factor-and-exhibits-tumor-suppressive-property-by-targeting-sirtuin-7-in-hepatocellular-carcinoma
#5
Xin Liu, Liu Yang, Jianfeng Tu, Wenwei Cai, Meiqi Zhang, Zhangxuan Shou, Yingmin Yao, Qiuran Xu
Recent studies have reported that microRNA-526b (miR-526b) is implicated in the growth and metastasis of cancer cells. However, the clinical significance of miR-526b and its role as well as underlying mechanisms are largely unknown in hepatocellular carcinoma (HCC). Here, we detected miR-526b expression difference between HCC and matched nontumor tissues with qRT-PCR. We found that miR-526b displayed lower expression in HCC patient tissues and cells. Clinical analysis revealed that low miR-526b expression correlated with large tumor size, venous infiltration, advanced tumor-node-metastasis (TNM) stage...
October 20, 2017: Oncotarget
https://www.readbyqxmd.com/read/29145320/scapular-metastasis-of-hepatocellular-carcinoma-presenting-as-acute-bleeding-and-hematoma-a-case-report-of-safe-and-effective-treatment
#6
Ki-Hyun Kim, Hyung-Hoon Oh, Dong-Jun Son, Ji-Yoon Hong, Young-Hoon Jeong, Jin-Seong Jung, Hyeong-Min Yu, Dae-Seong Myung, Sung-Bum Cho, Wan-Sik Lee, Jin-Woong Kim, Young-Eun Joo
RATIONALE: The occurrence of bleeding and hematoma from bone metastasis of hepatocellular carcinoma (HCC) is extremely rare. PATIENT CONCERNS: We present a case of scapular metastasis of HCC in a 69-year-old man who presented with acute bleeding and hematoma. DIAGNOSES: Chest computed tomography showed a large hematoma within the right pectoral muscle of the right upper chest and an exophytic metastatic mass in the right scapula with bony destruction, which caused the intramuscular hematoma...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29144509/circular-rna-expression-is-suppressed-by-androgen-receptor-ar-regulated-adenosine-deaminase-that-acts-on-rna-adar1-in-human-hepatocellular-carcinoma
#7
Liang Shi, Peijian Yan, Yuelong Liang, Yin Sun, Jiliang Shen, Senjun Zhou, Hui Lin, Xiao Liang, Xiujun Cai
Hepatocellular carcinoma (HCC) is a heterogeneous malignancy as a result of complex genetic and epigenetic alterations. HCC is characterized by a clear gender disparity for which there is lack of a clear mechanistic understanding. Androgen receptor (AR) is thought to be critical for such bias. Meanwhile, the potential function of circular RNA (circRNA), regulated by RNA editing enzyme, remained largely unknown in malignancy till now. By utilizing circRNA microarray survey coupled with in vitro analysis, we analyzed the influence of AR on circRNA expression in HCC...
November 16, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/29141455/methionine-adenosyltransferases-in-cancers-mechanisms-of-dysregulation-and-implications-for-therapy
#8
Lauren Y Maldonado, Diana Arsene, José M Mato, Shelly C Lu
Methionine adenosyltransferase genes encode enzymes responsible for the biosynthesis of S-adenosylmethionine, the principal biological methyl donor and precursor of polyamines and glutathione. Mammalian cells express three genes - MAT1A, MAT2A, and MAT2B - with distinct expression and functions. MAT1A is mainly expressed in the liver and maintains the differentiated states of both hepatocytes and bile duct epithelial cells. Conversely, MAT2A and MAT2B are widely distributed in non-parenchymal cells of the liver and extrahepatic tissues...
January 1, 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/29138461/overexpression-of-a-disintegrin-and-metalloproteinase-21-is-associated-with-motility-metastasis-and-poor-prognosis-in-hepatocellular-carcinoma
#9
Hiroki Honda, Masaaki Takamura, Satoshi Yamagiwa, Takuya Genda, Ryoko Horigome, Naruhiro Kimura, Toru Setsu, Kentaro Tominaga, Hiroteru Kamimura, Yasunobu Matsuda, Toshifumi Wakai, Yutaka Aoyagi, Shuji Terai
Cell motility plays an important role in intrahepatic metastasis of hepatocellular carcinoma (HCC), and predicts poor prognosis in patients. The present study investigated the role of a disintegrin and metalloproteinases (ADAMs) in HCC, since these proteins are known to be associated with cell motility. We confirmed the expression of 12 ADAMs with putative metalloproteinase activity in HCC cells, and established a KYN-2 HCC cell line stably expressing short interfering RNA against ADAM21 to investigate the effect of ADAM21 deficiency on HCC cell motility and metastasis in vitro and in vivo...
November 14, 2017: Scientific Reports
https://www.readbyqxmd.com/read/29138342/immunotherapy-of-hepatocellular-carcinoma-facts-and-hopes
#10
Mercedes Iñarrairaegui, Ignacio Melero, Bruno Sangro
Treatment of patients with hepatocellular carcinoma in the advanced stage remains a great challenge, with very few drugs approved. After decades of failures of immune therapies, immune checkpoint inhibitors have emerged as potentially effective treatments for patients with hepatocellular carcinoma in the advanced stage. Immune checkpoints, including human cancer, cytotoxic T-lymphocyte protein 4 (CTLA-4) and programmed cell death protein 1 (PD-1), are surface proteins expressed in a variety of immune cells, and mostly provide immunosuppressive signals...
November 14, 2017: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29133753/transcatheter-arterial-chemoembolization-combined-with-simultaneous-computed-tomography-guided-radiofrequency-ablation-for-large-hepatocellular-carcinomas
#11
Tai-Yang Zuo, Feng-Yong Liu, Mao-Qiang Wang, Xian-Xian Chen
BACKGROUND: Currently, the treatment of large hepatocellular carcinoma (HCC) is still a challenging problem. Transcatheter arterial chemoembolization (TACE) is the main treatment for intermediate end-stage HCC, while it is only a palliative and not a curative treatment due to the existence of residual tumors, and radiofrequency ablation (RFA) has limitations in complete ablation of large HCC. We hypothesized that TACE combined with simultaneous RFA (herein referred to as TACE + RFA) could improve the efficacy and survival of large HCC...
November 20, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/29133247/contrast-enhanced-ultrasound-identifies-hepatocellular-carcinoma-in-cirrhosis-a-large-multicenter-retrospective-study
#12
Eleonora Terzi, Massimo Iavarone, Maurizio Pompili, Letizia Veronese, Giuseppe Cabibbo, Mirella Fraquelli, Laura Riccardi, Ludovico De Bonis, Angelo Sangiovanni, Simona Leoni, Maria Assunta Zocco, Sandro Rossi, Nicola Alessi, Stephanie R Wilson, Fabio Piscaglia, Alessandro Granito, Veronica Salvatore, Francesco Tovoli, Matteo Angelo Manini, Gian Lodovico Rapaccini, Maria Elena Ainora, Valentina Ravetta, Giorgia Ghittoni, Agostino Ventra, Giuseppe Mogavero
BACKGROUND & AIMS: The use of contrast enhanced ultrasound (CEUS) for the diagnosis of hepatocellular carcinoma (HCC) in cirrhosis was questioned for the risk of false positive diagnosis in case of cholangiocarcinoma. The American College of Radiology has recently released a scheme (CEUS LI-RADS) classifying lesions at risk for HCC investigated by CEUS. Aim of the present study was to validate this LI-RADS scheme for the diagnosis of HCC. METHODS: A total of 1006 nodules in 848 patients with chronic liver disease at risk for HCC collected in 5 Italian centers were retrospectively analyzed...
November 10, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/29130100/immature-colon-carcinoma-transcript-1-promotes-cell-growth-of-hepatocellular-carcinoma-via-facilitating-cell-cycle-progression-and-apoptosis-resistance
#13
Weiping Chang, Zhaoxiang Yu, Ming Tian, Xiaobo Lin
Immature colon carcinoma transcript-1 (ICT1) is a newly identified oncogene, which regulates proliferation, cell cycle progression and apoptosis of cancer cells. However, the clinical significance, biological function and underlying mechanisms of ICT1 in hepatocellular carcinoma (HCC) remain poorly known. In the present study, we showed that the expression of ICT1 in HCC tissues were notably overexpressed compared to corresponding non-tumor tissues. Accordingly, the relative levels of ICT1 were upregulated in HCC cell lines compared with LO2 cells...
December 2017: Oncology Reports
https://www.readbyqxmd.com/read/29128391/preclinical-models-of-nonalcoholic-fatty-liver-disease
#14
REVIEW
Prasanna K Santhekadur, Divya P Kumar, Arun J Sanyal
Nonalcoholic fatty liver disease (NAFLD) can manifest as nonalcoholic fatty liver (NAFL) or nonalcoholic steatohepatitis (NASH). NASH is often associated with progressive fibrosis which can lead to cirrhosis and hepatocellular cancer (HCC). NASH is increasing as an etiology for end-stage liver disease as well as HCC. There are currently no approved therapies for NASH. A major barrier to development of therapeutics for NASH is the lack of preclinical models of disease that are appropriately validated to represent the biology and outcomes of human disease...
November 8, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/29127951/sox12-is-a-cancer-stem-like-cell-marker-in-hepatocellular-carcinoma
#15
Song Zou, Chen Wang, Jiansheng Liu, Qun Wang, Dongdong Zhang, Shengnan Zhu, Shengyuan Xu, Mafei Kang, Shaozhong He
Recent studies on molecular carcinogenesis suggest that the chemo-resistance of some cancers is largely due to presence of cancer stem cells (CSCs), which affect the chemotherapy outcome for hepatocellular carcinoma (HCC). However, currently no consensus on a CSC phenotype in HCC has been obtained. Here, we examined Sox12 as a novel CSC marker in HCC. Sox12+ versus Sox12- cells were purified from HCC cell lines. The Sox12+ cells were compared with Sox12- HCC cells for tumor sphere formation, chemo-resistance, tumor formation after serial adoptive transplantations in nude mice, and the frequency of developing distal metastasis...
November 10, 2017: Molecules and Cells
https://www.readbyqxmd.com/read/29126912/agbl2-promotes-cancer-cell-growth-through-irgm-regulated-autophagy-and-enhanced-aurora-a-activity-in-hepatocellular-carcinoma
#16
Li-Li Wang, Xiao-Han Jin, Mu-Yan Cai, Hai-Gang Li, Jie-Wei Chen, Feng-Wei Wang, Chen-Yuan Wang, Wei-Wei Hu, Fang Liu, Dan Xie
AGBL2 has been reported to catalyze α-tubulin detyrosination, by which it promotes tumorigenesis and cancer progression. However, its potential role in the pathogenesis of hepatocellular carcinoma (HCC) has not been revealed yet. In the present study, AGBL2 was frequently found being overexpressed in HCC tissues and cell lines. In a large cohort of clinical HCC tissues, high expression of AGBL2 was positively associated with tumor size, tumor multiplicity and advanced clinical stage (p < 0.05), and it was an independent prognostic factor for HCC patients...
November 8, 2017: Cancer Letters
https://www.readbyqxmd.com/read/29124894/combined-transcatheter-arterial-chemoembolization-and-radiofrequency-ablation-in-single-session-for-solitary-hepatocellular-carcinoma-larger-than-7%C3%A2-cm
#17
Jie-Yu Yan, Jin-Long Zhang, Mao-Qiang Wang, Kai Yuan, Yan-Hua Bai, Yan Wang, Hai-Nan Xin, Zhi-Jun Wang, Feng-Yong Liu, Feng Duan, Jin-Xin Fu
AIMS: To evaluate technical feasibility and treatment results of combined transcatheter arterial chemoembolization (TACE) and radiofrequency ablation (RFA) in single-session for solitary hepatocellular carcinoma (HCC) larger than 7 cm in diameter. METHODS: Institutional review board approved this retrospective study. Written informed consent was obtained from all patients. Between June 2007 and July 2013, 87 patients (75 men, 12 women; mean age, 55.5 years ± 15...
November 10, 2017: Asia-Pacific Journal of Clinical Oncology
https://www.readbyqxmd.com/read/29122391/genetics-and-epigenetics-of-nafld-and-nash-clinical-impact
#18
REVIEW
Mohammed Eslam, Luca Valenti, Stefano Romeo
Non-alcoholic fatty liver disease (NAFLD) is now recognised as the most common liver disease worldwide. It encompasses a broad spectrum of conditions, from simple steatosis, through non-alcoholic steatohepatitis, to fibrosis and ultimately cirrhosis and hepatocellular carcinoma. A hallmark of NAFLD is the substantial inter-patient variation in disease progression. NAFLD is considered a complex disease trait such that interactions between the environment and a susceptible polygenic host background determine disease phenotype and influence progression...
November 2, 2017: Journal of Hepatology
https://www.readbyqxmd.com/read/29121666/sox9-is-a-proliferation-and-stem-cell-factor-in-hepatocellular-carcinoma-and-possess-widespread-prognostic-significance-in-different-cancer-types
#19
Georg Richtig, Ariane Aigelsreiter, Daniela Schwarzenbacher, Anna Lena Ress, Jan Basri Adiprasito, Verena Stiegelbauer, Gerald Hoefler, Silvia Schauer, Tobias Kiesslich, Peter Kornprat, Thomas Winder, Florian Eisner, Armin Gerger, Herbert Stoeger, Rudolf Stauber, Carolin Lackner, Martin Pichler
SOX9 has been previously shown to be involved in hepatocellular carcinoma (HCC) and other types of cancer. However, prognostic studies so far involved rather small cohorts or lack external validation and experimental data. In this study, we firstly determined the histological expression pattern of SOX9 in human HCC by immunohistochemistry (n = 84) and evaluated its prognostic value. External cohorts of publicly available datasets were used to validate its prognostic relevance in HCC (n = 359) and other types of cancer including breast (n = 3951), ovarian (n = 1306), lung (n = 1926) and gastric cancer (n = 876)...
2017: PloS One
https://www.readbyqxmd.com/read/29119708/eif5a2-contributes-to-the-maintenance-of-cd133-hepatocellular-carcinoma-cells-via-the-c-myc-microrna-29b-axis
#20
Hai-Yan Bai, Yi-Ji Liao, Mu-Yan Cai, Ning-Fang Ma, Qi Zhang, Jie-Wei Chen, Jia-Xing Zhang, Feng-Wei Wang, Chen-Yuan Wang, Wen-Hui Chen, Xiao-Han Jin, Rui-Hua Xu, Xin-Yuan Guan, Dan Xie
Cancer stem cells (CSCs)/cancer-initiating cells (CICs) are suggested responsible for driving cancer resistance to conventional therapies and for cancer recurrence and/or metastasis. CD133 is served as a key biomarker to identify and characterize this subpopulation of cells in hepatocellular carcinoma (HCC). Our previous study indicated that overexpression of eukaryotic initiation factor 5A2 (EIF5A2) promotes HCC cell metastasis and angiogenesis. In the present study, we demonstrated that EIF5A2 might play a crucial role in CSCs regulation and investigated its potential molecular mechanisms...
November 9, 2017: Stem Cells
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