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https://www.readbyqxmd.com/read/27932893/let-7a-enhances-the-sensitivity-of-hepatocellular-carcinoma-cells-to-cetuximab-by-regulating-stat3-expression
#1
Fei Xue, Yanhui Liu, Hongwei Zhang, Yu Wen, Lei Yan, Qiang Tang, Erhui Xiao, Dongyi Zhang
BACKGROUND: Let-7 miRNAs are reported to play an inhibitory role in carcinogenesis, tumor progression, recurrence, and pluripotency of cancer. However, few studies have reported the relationship between let-7 and drug sensitivity, especially for let-7a (a subtype of let-7). This study aimed to investigate the function of let-7a in regulating the sensitivity of hepatocellular carcinoma (HCC) cell lines to cetuximab. METHODS: The cytotoxicity of cetuximab on HCC cell lines (Huh7, Hep3B, HepG2, SNU449, and SNU387) was evaluated using a cell viability assay (the Cell Counting Kit-8 assay) and a cell proliferation assay (the Click-iT EdU Imaging Kit) in the presence of a control, a let-7a mimic, and a let-7a inhibitor...
2016: OncoTargets and Therapy
https://www.readbyqxmd.com/read/27931841/new-molecular-therapies-in-patients-with-advanced-hepatocellular-cancer-in-second-line-of-treatment-is-a-real-defeat-results-from-a-literature-based-meta-analysis-of-randomized-trials
#2
REVIEW
Giandomenico Roviello, Laura Zanotti, Maria Rosa Cappelletti, Angela Gobbi, Giulia Borsella, Chiara Pacifico, Andrea Giovanni Multari, Daniele Generali
Several new biological agents have been investigated as second line of treatment in advanced Hepatocellular Cancer (HCC). We performed a meta-analysis to assess the effect of targeted therapies in advanced HCC patients beyond the first line of treatment. A literature-based metaanalysis of randomized controlled trials was undertaken. The primary outcome was the overall survival. The secondary endpoints were the progression-free survival (PFS), the response rate (RR) and disease control rate (DCR) and the safety...
December 2016: Critical Reviews in Oncology/hematology
https://www.readbyqxmd.com/read/27931237/a-piperazidine-derivative-of-23-hydroxy-betulinic-acid-induces-a-mitochondria-derived-ros-burst-to-trigger-apoptotic-cell-death-in-hepatocellular-carcinoma-cells
#3
Nan Yao, Ying-Jie Li, Yu-He Lei, Nan Hu, Wei-Min Chen, Zhe Yao, Miao Yu, Jun-Shan Liu, Wen-Cai Ye, Dong-Mei Zhang
BACKGROUND: Elevated production of reactive oxygen species (ROS) and an altered redox state have frequently been observed in hepatocellular carcinoma (HCC); therefore, selective killing of HCC cells by chemotherapeutic agents that stimulate ROS generation or impair antioxidant systems may be a feasible approach in HCC chemotherapy. Recently, betulinic acid and its derivatives have attracted attention because they showed anti-cancer effects via a ROS- and mitochondria-related mechanism...
December 8, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27930987/antiproliferative-effects-of-extracts-from-salvia-officinalis-l-and-saliva-miltiorrhiza-bunge-on-hepatocellular-carcinoma-cells
#4
Yuanyuan Jiang, Li Zhang, H P Vasantha Rupasinghe
Salvia species have been used as valuable medicinal and herbal plant in many countries. Salvia officinalis L. and Salvia miltiorrhiza Bunge are widely used in traditional medicine for a long time. In the present study, cytotoxicity of ethanol and acetone extracts prepared from leaves and roots of two Salvia species was investigated using hepatocellular carcinoma cells (HepG2) and normal human liver cells (WRL-68). The cytotoxicity and anti-proliferative abilities of the extracts were evaluated by measuring cell viability (MTS assay), lactate dehydrogenase (LDH) leakage, the cellular ATP level, morphological changes using an inverted microscope, and apoptosis using flow cytometry...
December 5, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27925189/hbx-drives-alpha-fetoprotein-expression-to-promote-initiation-of-liver-cancer-stem-cells-through-activating-pi3k-akt-signal-pathway
#5
Mingyue Zhu, Wei Li, Yan Lu, Xu Dong, Bo Lin, Yi Chen, Xueer Zhang, Junli Guo, Mengsen Li
Hepatitis B virus (HBV)-X protein (HBx) plays critical role in inducing the malignant transformation of liver cells. Alpha fetoprotein (AFP) expression is closely related to hepatocarcinogenesis. We report that Oct4, Klf4, Sox2 and c-myc expression positively associated with AFP(+)/HBV(+) hepatocellular carcinoma(HCC) tissues, and the expression of the stemness markers CD44, CD133 and EpCAM was significantly higher in AFP(+)/HBV(+) HCC tissues compared to normal liver tissues or AFP(-)/HBV(-) HCC tissues. AFP expression turned on prior to expression of Oct4, Klf4, Sox2 and c-myc, and the stemness markers CD44, CD133 and EpCAM in the normal human liver L-02 cell line or CHL cell lines upon transfection with MCV-HBx vectors...
December 7, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27925179/hepatoma-cell-functions-modulated-by-nek2-are-associated-with-liver-cancer-progression
#6
Sheng-Ming Wu, Syuan-Ling Lin, Kang-Yun Lee, Hsiao-Chi Chuang, Po-Hao Feng, Wan-Li Cheng, Chia-Jung Liao, Hsiang-Cheng Chi, Yang-Hsiang Lin, Chung-Ying Tsai, Wei-Jan Chen, Chau-Ting Yeh, Kwang-Huei Lin
NEK2 (NIMA-related expressed kinase 2) is a serine/threonine centrosomal kinase that acts as a critical regulator of centrosome structure and function. Aberrant NEK2 activities lead to failure in regulating centrosome duplication. NEK2 overexpression promotes tumorigenesis and is associated with poor prognosis in several cancers. Increased NEK2 expression during the late pathological stage has been detected in the Oncomine liver dataset and hepatocellular carcinoma (HCC) specimens. Elevated NEK2 protein is associated with poor overall survival in patients with HCC...
December 7, 2016: International Journal of Cancer. Journal International du Cancer
https://www.readbyqxmd.com/read/27924522/expression-of-%C3%AE-catenin-protein-in-hepatocellular-carcinoma-and-its-relationship-with-alpha-fetoprotein
#7
Ya-Jun Ren, Tao Huang, Hong-Lu Yu, Li Zhang, Qian-Jin He, Zhi-Fan Xiong, Hua Peng
This study aimed to investigate the expression of β-catenin in hepatocellular carcinoma (HCC) tissues and its relationship with α-fetoprotein (AFP) in HCC. Immunohistochemistry was used to determine the expression of β-catenin in normal liver tissues (n=10), liver cirrhosis tissues (n=20), and primary HCC tissues (n=60). The relationship between β-catenin expression and clinical parameters of HCC was investigated. Real-time PCR and Western blotting were used to detect the mRNA and protein expression levels of β-catenin in the liver cancer cell line SMMC-7721 transfected with a plasmid encoding AFP, and also the mRNA and protein expression levels of β-catenin were measured in the liver cancer cell line Huh7 before and after the transfection with AFP shRNA plasmids...
December 2016: Journal of Huazhong University of Science and Technology. Medical Sciences
https://www.readbyqxmd.com/read/27924482/identification-of-small-molecule-modulators-of-microrna-by-library-screening
#8
Zhangang Xiao, Yangchao Chen
MicroRNAs (miRNAs) function as oncogenes or tumor suppressors and are dysregulated in cancer. miRNAs therefore represent promising therapeutic targets for cancer. Small molecules that could modulate the expression of miRNAs would thus have potential as anticancer agents. Library screening of small molecules targeting miRNAs is a useful technology platform for anticancer drug development. Here, we describe a hepatocellular carcinoma (HCC) cell-based luciferase reporter system which could be used to screen for small molecule modulators of tumor suppressor microRNA-34a...
2017: Methods in Molecular Biology
https://www.readbyqxmd.com/read/27924308/ph-sensitive-pt-nanocluster-assembly-overcomes-cisplatin-resistance-and-heterogeneous-stemness-of-hepatocellular-carcinoma
#9
Hongping Xia, Fangyuan Li, Xi Hu, Wooram Park, Shuaifei Wang, Youngjin Jang, Yang Du, Seungmin Baik, Soojeong Cho, Taegyu Kang, Dong-Hyun Kim, Daishun Ling, Kam Man Hui, Taeghwan Hyeon
Response rates to conventional chemotherapeutics remain unsatisfactory for hepatocellular carcinoma (HCC) due to the high rates of chemoresistance and recurrence. Tumor-initiating cancer stem-like cells (CSLCs) are refractory to chemotherapy, and their enrichment leads to subsequent development of chemoresistance and recurrence. To overcome the chemoresistance and stemness in HCC, we synthesized a Pt nanocluster assembly (Pt-NA) composed of assembled Pt nanoclusters incorporating a pH-sensitive polymer and HCC-targeting peptide...
November 23, 2016: ACS Central Science
https://www.readbyqxmd.com/read/27924058/foxo1-inhibits-the-invasion-and-metastasis-of-hepatocellular-carcinoma-by-reversing-zeb2-induced-epithelial-mesenchymal-transition
#10
Tianxiu Dong, Yu Zhang, Yaodong Chen, Pengfei Liu, Tingting An, Jiuwei Zhang, Haichao Yang, Wenjing Zhu, Xiuhua Yang
The epithelial-to-mesenchymal transition (EMT) program is critical for epithelial cell cancer progression and fibrotic diseases. FOXO1 influences a broad range of physiological and pathological processes. However, the mechanism by which FOXO1 inhibits EMT is not fully understood. In this study, we demonstrated that FOXO1 overexpression inhibited cell motility and invasiveness in vitro and inhibited lung metastasis in vivo. In addition, we found that FOXO1 couldreverse the EMT program. FOXO1 silencing by siRNA in hepatocellular carcinoma (HCC) cell lines enhanced the expression of mesenchymal markers and decreased the expression of the epithelial markers...
December 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27923747/ibulocydine-sensitizes-human-hepatocellular-carcinoma-cells-to-trail-induced-apoptosis-via-calpain-mediated-bax-cleavage
#11
Seok Soon Park, Eunjin Jwa, Seol Hwa Shin, Eun Jin Ju, Intae Park, Jhang Ho Pak, Jung Jin Hwang, Dong-Hyung Cho, B Moon Kim, Sung-Bae Kim, Jung Shin Lee, Si Yeol Song, Seong-Yun Jeong, Eun Kyung Choi
Tumor necrosis factor-related apoptosis-induced ligand (TRAIL) induces apoptosis selectively in cancer cells without affecting the majority of normal human cells. However, hepatocellular carcinoma (HCC) cells often display resistance to TRAIL-induced apoptosis. Ibulocydine (IB) is an isobutyrate ester pro-drug of a novel synthetic Cdk inhibitor that targets Cdk7 and Cdk9. In this study, we show that treatment with subtoxic doses of IB in combination with TRAIL displays potent cytotoxicity in TRAIL-resistant human HCC cells...
December 3, 2016: International Journal of Biochemistry & Cell Biology
https://www.readbyqxmd.com/read/27923615/impact-of-facility-type-and-surgical-volume-on-10-year-survival-in-patients-undergoing-hepatic-resection-for-hepatocellular-carcinoma
#12
Brandon C Chapman, Alessandro Paniccia, Patrick W Hosokawa, William G Henderson, Douglas M Overbey, Wells Messersmith, Martin D McCarter, Ana Gleisner, Barish H Edil, Richard D Schulick, Csaba Gajdos
BACKGROUND: Previous studies have demonstrated improved in-hospital mortality following hepatic resection for hepatocellular carcinoma (HCC) at teaching hospitals. The objective of this study was to evaluate if resection of HCCs at academic cancer programs (ACP) is associated with improved 10-year survival. STUDY DESIGN: Using the NCDB (1998-2011), we evaluated patients undergoing hepatic resection for HCC at ACPs, comprehensive community cancer programs (CCCPs), and community cancer programs (CCPs)...
December 3, 2016: Journal of the American College of Surgeons
https://www.readbyqxmd.com/read/27922690/microrna-152-inhibits-tumor-cell-growth-by-directly-targeting-rtkn-in-hepatocellular-carcinoma
#13
Jiejing Zhou, Yanjun Zhang, Yuhong Qi, Dequan Yu, Qiuju Shao, Jun Liang
Hepatocellular carcinoma (HCC) is the most common form of adult liver cancer and accounts for approximately 90% of all cases of primary liver cancer annually. Rhotekin (RTKN), which functions as a cancer promoter, can be frequently detected in many human cancers, including gastric cancer, colorectal carcinoma and bladder carcinoma. The aim of this study was to investigate the role of RTKN in HCC. Using HCC cells and tissues from patients with liver cancer, we demonstrated that RTKN was significantly increased in HCC...
December 5, 2016: Oncology Reports
https://www.readbyqxmd.com/read/27921263/overexpression-of-protein-phosphatase-1%C3%AE-pp1%C3%AE-is-associated-with-enhanced-cell-proliferation-and-poor-prognosis-in-hepatocellular-carcinoma
#14
Chunsun Li, Miaomiao Wu, Guijuan Zong, Chunhua Wan, Qingqing Liu, Huiling Zhou, Lu Hua, Yuyan Chen, Xudong Chen, Cuihua Lu
BACKGROUND: Protein phosphatase 1γ (PP1γ), as a member of the protein phosphatase 1 family, may be involved in regulation of multiple cellular processes, such as mitosis, cell survival, and apoptosis. However, little is known about the underlying mechanisms by which PP1γ regulates hepatocellular carcinoma development. AIM: We investigated the expression profile of PP1γ in hepatocellular carcinoma (HCC) cell lines and human HCC specimens, as well as its potential prognostic significance in HCC...
December 5, 2016: Digestive Diseases and Sciences
https://www.readbyqxmd.com/read/27920652/diffuse-infiltrative-hepatocellular-carcinoma-with-portal-vein-tumor-thrombosis-completely-cured-by-transcatheter-arterial-chemoembolization-case-report-with-8-year-follow-up
#15
Suk Bae Kim
Hepatocellular carcinoma (HCC) is the most common type of liver cancer and its treatment options are determined by shape, liver function, loci, and stages of cancer. Diffuse type of infiltrative HCC accompanied by portal vein tumor thrombosis (PVTT) has the poorest prognosis among other HCCs and there are no other prominent treatment options than systemic chemotherapy. In this study, we report a case of a 56-year-old man with diffuse infiltrative HCC accompanied by PVTT who achieved complete remission for 8 years after receiving conventional transcatheter arterial chemoembolization using adriamycin and gelfoam...
September 2016: Case Reports in Gastroenterology
https://www.readbyqxmd.com/read/27920520/ligand-based-targeted-therapy-a-novel-strategy-for-hepatocellular-carcinoma
#16
REVIEW
Min Li, Weiyue Zhang, Birong Wang, Yang Gao, Zifang Song, Qi Chang Zheng
Hepatocellular carcinoma (HCC) is the most common primary liver cancer with high morbidity and mortality worldwide. Chemotherapy is recommended to patients with intermediate or advanced stage cancer. However, the conventional chemotherapy yields low desired response rates due to multidrug resistance, fast clearance rate, nonspecific delivery, severe side effects, low drug concentration in cancer cells, and so on. Nanoparticle-mediated targeted drug delivery system can surmount the aforementioned obstacles through enhanced permeability and retention effect and active targeting as a novel approach of therapeutics for HCC in recent years...
2016: International Journal of Nanomedicine
https://www.readbyqxmd.com/read/27919960/dancr-acts-as-a-diagnostic-biomarker-and-promotes-tumor-growth-and-metastasis-in-hepatocellular-carcinoma
#17
Xiang Ma, Xin Wang, Chao Yang, Zusen Wang, Bing Han, Liqun Wu, Likun Zhuang
BACKGROUND: Long non-coding RNA differentiation antagonizing non-protein coding RNA (DANCR) is considered to be an oncogene in many cancer types. However, the role of DANCR in diagnosis and progression of hepatocellular carcinoma (HCC) is still unknown. PATIENTS AND METHODS: In this study, 146 participants including healthy volunteers (HVs) and patients with chronic hepatitis B (CHB), cirrhosis and HCC were recruited. RESULTS: Firstly, quantitative reverse transcription-PCR analysis showed that DANCR was up-regulated in tumor tissues and plasma of patients with HCC, and its expression was highly correlated with microvascular and liver capsule invasion of HCC...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919956/expression-patterns-of-growth-and-survival-genes-with-prognostic-implications-in-advanced-pancreatic-cancer
#18
Dimitrios Pectasides, Vasiliki Kotoula, George Papaxoinis, Zoi Alexopoulou, Christos Dervenis, Epaminontas Samantas, Kleo Papaparaskeva, Elpida Charalambous, Chrysoula Gkakou, Christos Agalianos, Konstantine T Kalogeras, George Pentheroudakis, George Fountzilas
AIM: The aim of this study was to evaluate the mRNA expression pattern of growth- and survival-related genes and assess their prognostic significance in patients with advanced pancreatic cancer. PATIENTS AND METHODS: In total, 98 patients were included in this retrospective translational research study and were evaluated for Kirsten rat sarcoma viral oncogene homolog (KRAS) mutational status, and v-akt murine thymoma viral oncogene homolog 1 (AKT1), AKT serine/threonine kinase 2 (AKT2), AKT serine/threonine kinase 3 (AKT3), cyclin D1 (CCND1), epidermal growth factor receptor (EGFR), mitogen-activated protein kinase 1 (MAPK1), hepatocellular growth factor receptor (MET), avian myelomatosis viral oncogene homolog (MYC), nuclear factor kappa B subunit 1 (NFKb1), phosphatase and tensin homolog (PTEN) and mechanistic target of rapamycin (FRAP1) genes mRNA expression...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27919945/the-leloir-pathway-of-galactose-metabolism-a-novel-therapeutic-target-for-hepatocellular-carcinoma
#19
Manshu Tang, Enoabasi Etokidem, Kent Lai
Hepatocellular carcinoma (HCC) is one of the most lethal types of cancer worldwide, with poor prognosis and limited treatments. In order to identify novel therapeutic targets that will lead to development of effective therapies with manageable side effects, we tested the hypothesis that knocking-down galactokinase (GALK1) or galactose-1 phosphate uridylyltransferase (GALT) gene expression would control the growth of cultured hepatoma cells. Our results showed small interfering RNA (siRNA) against GALK1 or GALT inhibited the growth of HepG2 cells in culture...
December 2016: Anticancer Research
https://www.readbyqxmd.com/read/27918845/application-of-probabilistic-modeling-to-quantify-the-reduction-levels-of-hepatocellular-carcinoma-risk-attributable-to-chronic-aflatoxins-exposure
#20
Joseph M Wambui, Edward G Karuri, Julia A Ojiambo, Patrick M K Njage
Epidemiological studies show a definite connection between areas of high aflatoxin content and a high occurrence of human hepatocellular carcinoma (HCC). Hepatitis B virus in individuals further increases the risk of HCC. The two risk factors are prevalent in rural Kenya and continuously predispose the rural populations to HCC. A quantitative cancer risk assessment therefore quantified the levels at which potential pre- and postharvest interventions reduce the HCC risk attributable to consumption of contaminated maize and groundnuts...
December 5, 2016: Nutrition and Cancer
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