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HCC and p21

Shu-Guang Li, Qian-Wei Shi, Ling-Yan Yuan, Li-Ping Qin, Yan Wang, Yu-Qing Miao, Zhe Chen, Chang-Quan Ling, Wen-Xing Qin
BACKGROUND: Triptolide is a structurally unique diterpene triepoxide with potent antitumor activity. However,the effect and mechanism of triptolide on hepatocellular carcinoma (HCC) is not well studied. METHODS: Cells were treated with triptolide, and the anti-HCC activity of triptolide was evaluated using flow cytometry, western blot, and xenograft studies. MicroRNA microarray and quantitative reverse-transcription polymerase chain reaction was used to identify differential microRNAs induced by triptolide...
March 9, 2018: Journal of Experimental & Clinical Cancer Research: CR
Boris Rodenak-Kladniew, Agustina Castro, Peter Stärkel, Christine De Saeger, Margarita García de Bravo, Rosana Crespo
AIMS: Linalool is a plant-derived monoterpene with anticancer activity, however its mechanisms of action remain poorly understood. The aim of this work was to elucidate the anticancer mechanisms of action of linalool in hepatocellular carcinoma (HCC) HepG2 cells. MAIN METHODS: Cell viability and proliferation were determined by WST-1 assay and BrdU incorporation, respectively. Cell cycle analysis was assessed through flow cytometry (FC) and western blot (WB). Apoptosis was determined by caspase-3 activity, TUNEL assay and WB...
March 3, 2018: Life Sciences
Xiaojia Liu, Ning Tan, Hongtao Liao, Guangdong Pan, Qing Xu, Rong Zhu, Liping Zou, Songqing He, Hongguang Zhu
Glutathione S-transferase (GST) family members promote carcinogenesis and cancer progression. We assessed GST pi 1 (GSTP1) mRNA and protein levels in hepatocellular carcinoma (HCC) using genome databases and tissue microarray (TMA) technology. We found that in cancerous tissues, GSTP1 mRNA was down-regulated in genome databases, and immunohistochemical staining of GSTP1 in 237 HCC cases varied from negative to strongly positive. GSTP1 levels correlated negatively with tumor size and serum alpha-fetoprotein (AFP) in HCC patients, and higher GSTP1 levels associated with longer overall survival (OS) and disease-free survival (DFS)...
February 6, 2018: Oncotarget
Hengyu Zhou, Ying Cai, Dina Liu, Menghui Li, Yu Sha, Wenlu Zhang, Kai Wang, Jianping Gong, Ni Tang, Ailong Huang, Jie Xia
OBJECTIVES: Histone deacetylases (HDACs) are commonly dysregulated in cancer and represent promising therapeutic targets. However, global HDAC inhibitors have shown limited efficacy in the treatment of solid tumours, including hepatocellular carcinoma (HCC). In this study, we investigated the therapeutic effect of selectively inhibiting HDAC1 and 2 in HCC. METHODS: HDAC1 inhibitor Tacedinaline (CI994), HDAC2 inhibitor Santacruzamate A (CAY10683), HDAC1/2 common inhibitor Romidepsin (FK228) and global HDAC inhibitor Vorinostat (SAHA) were used to treat HCC cells...
February 27, 2018: Cell Proliferation
Bo Hu, Guang-Yu Ding, Pei-Yao Fu, Xiao-Dong Zhu, Yuan Ji, Guo-Ming Shi, Ying-Hao Shen, Jia-Bin Cai, Zhen Yang, Jian Zhou, Jia Fan, Hui-Chuan Sun, Ming Kuang, Cheng Huang
BACKGROUND: This study was performed to investigate the role of nucleotide-binding oligomerization domain (NOD)-like receptor X1 (NLRX1) in regulating hepatocellular carcinoma (HCC) progression. METHODS: Expression levels of NLRX1 in clinical specimens and cell lines were determined by reverse transcription-polymerase chain reaction (RT-PCR) and western blot (WB). Transwell assays were conducted to evaluate the effect of NLRX1 on cell invasion, and flow cytometry was used to assess apoptosis...
February 26, 2018: Journal of Hematology & Oncology
Hanzhang Zhu, Jingrui Wang, Junjie Yin, Bei Lu, Qijun Yang, Yafeng Wan, Changku Jia
BACKGROUND/AIMS: The expression of PRAME and its role in hepatocellular carcinoma (HCC) remain unknown. The aim of this study was to examine the functional role of PRAME in HCC development and exploring the molecular mechanism. METHODS: We first detected PRAME expression in 96 human HCC tissue samples and correlated with clinicopathological characteristics and prognosis of the patients. We then established stable HCC cell lines with PRAME overexpression and knockdown followed by functional analysis in vitro...
2018: Cellular Physiology and Biochemistry
Wenzhi Li, Zhe Sun, Chen Chen, Lin Wang, Zhimin Geng, Jie Tao
Accumulating evidence indicates that sirtuin7 (SIRT7) plays an oncogenic role in the main types of liver cancer, hepatocellular carcinoma (HCC). Nevertheless, the clinical significance of SIRT7 and its role in cholangiocarcinoma (CCA) is largely undiscovered. Here, we found that SIRT7 displayed higher expression in CCA tissues compared to intrahepatic normal bile duct and surrounding liver tissues based on The Cancer Genome Atlas (TCGA) data. Our data further confirmed that SIRT7 was overexpressed in CCA patient tissues and cell lines...
February 9, 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
Qian Wang, Gang Wang, Yi Wang, Chaoxu Liu, Xianli He
BACKGROUND: The mammalian AlkB homolog (ALKBH) protein family has been reported to promote tumor cell invasion and metastasis of human cancer. However, the expression status and clinical significance of ALKBH3 in hepatocellular carcinoma (HCC) has not been reported yet. METHODS: In the present study, we investigated the protein expression of ALKBH3 by immunohistochemistry assay, evaluated its association with tumor progression, recurrence and prognosis in 272 patients with HCC...
February 7, 2018: Journal of Gastroenterology and Hepatology
Giuseppa Augello, Martina Modica, Antonina Azzolina, Roberto Puleio, Giovanni Cassata, Maria Rita Emma, Caterina Di Sano, Antonella Cusimano, Giuseppe Montalto, Melchiorre Cervello
Hepatocellular carcinoma (HCC) is one of the common malignancies and is an increasingly important cause of cancer death worldwide. Surgery, chemotherapy, and radiation therapy extend the 5-year survival limit in HCC patients by only 6%. Therefore, there is a need to develop new therapeutic approaches for the treatment of this disease. The orally bioavailable proteasome inhibitor MLN2238 (ixazomib) has been demonstrated to have anticancer activity. In the present study, we investigated the preclinical therapeutic efficacy of MLN2238 in HCC cells through in vitro and in vivo models, and examined its molecular mechanisms of action...
January 18, 2018: Cell Death & Disease
Hui Tang, Jianwen Zhang, Zhenyu Yu, Linsen Ye, Kun Li, Fan Ding, Xiao Feng, Wei Meng
PURPOSE: We proposed to investigate the effects of miR-452-3p on the proliferation and mobility of hepatocellular carcinoma (HCC) cells by targeting cytoplasmic polyadenylation element binding protein 3/estimated glomerular filtration rate (CPEB3/EGFR) axis. METHODS: Quantitative real-time polymerase chain reaction (qRT-PCR) was used to detect miR-452-3p expression in 84 pairs of HCC tissues and adjacent tissues. Luciferase reporter assay was employed to examine the relationship between miR-452-3p and CPEB3...
December 2017: Technology in Cancer Research & Treatment
Hao Wang, Jun Wang, Xiaolei Shi, Yitao Ding
PURPOSE: One of the major challenges in delivering cytokines for the treatment of hepatocellular carcinoma (HCC) is the mode of delivery. This study hypothesized that genetically engineered bone marrow derived mesenchymal stem cells (BMSCs) co-expressing IFN-γ and IL-10 can serve as a potential therapeutic strategy in the treatment of HCC by inhibiting cell proliferation. METHODS: Male Sprague-Dawley rats (n=5, 200-250 g) for BMSCs isolation and Nude/SCID mice (n=35,12-20g) to develop liver cancer xenograft model were used...
November 2017: Journal of B.U.ON.: Official Journal of the Balkan Union of Oncology
Evgeniy Stoyanov, Lina Mizrahi, Devorah Olam, Temima Schnitzer-Perlman, Eithan Galun, Daniel S Goldenberg
Chronic inflammation precedes the majority of hepatocellular carcinoma (HCC) cases. We investigated the chemopreventive potential of S-adenosylmethionine (SAM), an essential donor for all methylation reactions in the cell, at the late precancerous stage of HCC development using the Mdr2-knockout (Mdr2-KO, Abcb4-/-) mice, a model of inflammation-mediated hepatocarcinogenesis. Previously, we revealed down-regulation of the genes regulating SAM metabolism in the liver of these mice at the precancerous stages. Now, we have supplied Mdr2-KO mice at the late precancerous stage with SAM during either a short-term (17 days) or a long-term (51 days) period and explored the effects of such supplementation on tumor development, DNA methylation and gene expression in the liver...
December 1, 2017: Oncotarget
Erika B Dugo, Clement G Yedjou, Jacqueline J Stevens, Paul B Tchounwou
Hepatocellular carcinoma (HCC), the dominant form of primary liver cancer, is the sixth most common cancer in the world with more than 700,000 people diagnosed annually. Arsenic trioxide (ATO) has been shown to be a potent anticancer agent in various carcinomas, proving particularly effective in the clinical treatment of relapsed and refractory acute promyelocytic leukemia. However, its bioactivity and molecular mechanisms against HCC has not been fully studied. Using human HCC (HepG2) cells as a test model, we studied the effects of ATO and examined the role of oxidative stress (OS) and apoptosis in cytotoxicity...
2017: Annals of Clinical Pathology
Gang Xu, Chengxue Dang
Background: Human chemokine like factor (CKLF)-like MAL and related proteins for vesicle trafficking transmembrane, domain-containing member 5 (CMTM5) has been shown to involved and may function as a tumour suppressor in tumorigenesis. The current study aimed to investigate the expression and function of CMTM5 in human hepatocellular carcinoma (HCC). Methods: CMTM5 expression was examined by immunohistochemistry, and its clinical significance was analysed in 76 HCC specimens...
2017: Cancer Cell International
Xue Yang, Kai Qu, Jie Tao, Guozhi Yin, Shaoshan Han, Qingguang Liu, Hao Sun
CIP2A is a recent identified oncogene that inhibits protein phosphatase 2A (PP2A) and stabilizes c-Myc in cancer cells. To investigate the potential oncogenic role and prognostic value of CIP2A, we comprehensively analyzed the CIP2A expression levels in pan-cancer and observed high expression level of CIP2A in majority cancer types, including hepatocellular carcinoma (HCC). Based on a validation cohort including 60 HCC and 20 non-tumorous tissue samples, we further confirmed the high mRNA and protein expression levels of CIP2A in HCC, and found high CIP2A mRNA expression level was associated with unfavorable overall and recurrence-free survival in patients with HCC...
January 8, 2018: Biochemical and Biophysical Research Communications
Yifan Lian, Weiming Fan, Yanlin Huang, Hongbo Wang, Jialiang Wang, Liang Zhou, Xiaojuan Wu, Meihai Deng, Yuehua Huang
Trophinin Associated Protein (TROAP) was a protein first identified to mediate the process of embryo transplantation and later found to be involved in microtubule regulation. However, little is known about the role of TROAP in hepatocellular carcinoma (HCC). In the present study, we reported that both TROAP mRNA and protein expressions were downregulated in human HCC samples as well as cell lines. High level of TROAP was associated with small tumor size (P < 0.05), minor tumor nodules (P < 0.01) and mild vein invasion (P < 0...
November 8, 2017: Oncology Research
Po-Shuan Huang, Yang-Hsiang Lin, Hsiang-Cheng Chi, Pei-Yu Chen, Ya-Hui Huang, Chau-Ting Yeh, Chia-Siu Wang, Kwang-Huei Lin
Thyroid hormone (TH) plays a role in regulating the metabolic rate, heart functions, muscle control and maintenance of bones. 3,3'5-tri-iodo-L-thyronine (T3) displays high affinity to nuclear thyroid hormone receptors (TRs), which mediate most TH actions. Recent studies have shown hypothyroidism in patients with an increased risk of hepatocellular carcinoma (HCC). MicroRNAs (miRNAs), a class of non-protein-coding RNA, are suggested to control tumor growth by interacting with target genes. However, the clinical significance of T3/TR-regulated miRNAs in tumors has yet to be established...
November 1, 2017: Scientific Reports
Wenhui Zhao, Yubin Dai, Ting Dai, Tian Xie, Xiaobo Su, Jing Li, Xiang Zhou, Kewei Meng, Xiaohui Zhao
Thyroid hormone receptor-interacting protein 6 (TRIP6), a member of LIM family, acts as an adaptor protein and is overexpressed in several tumor types. However, the clinical significance and biological role of TRIP6 in HCC remains unknown. In our study, we found that TRIP6 was markedly overexpressed in HCC cells and clinical specimens compared with normal hepatocytes and adjacent non-tumor tissues. Immunohistochemical and statistical analysis showed that the expression of TRIP6 significantly correlated with HCC patients' clinical stage and poor survival...
December 16, 2017: Biochemical and Biophysical Research Communications
P Döring, G M Pilo, D F Calvisi, F Dombrowski
BACKGROUND: Her2 is a well-known member of the epidermal growth factor receptor (EGFR) superfamily, a group of transmembrane receptors that mediate effects of proliferation and survival and thus play an important role in tumorigenesis. EGFRs can translocate to the nucleus and may mediate DNA repair and cell cycle arrest. OBJECTIVES: The aim of this study was to characterize hepatocellular Her2 expression in different liver diseases. MATERIALS AND METHODS: Her2 expression was analyzed by immunohistochemistry in 674 liver biopsies...
October 10, 2017: Der Pathologe
Ting Chen, Chengxin Gu, Cailin Xue, Tao Yang, Yun Zhong, Shiming Liu, Yuqiang Nie, Hui Yang
Long non-coding RNAs (lncRNAs) have been implicated in liver carcinogenesis. We previously showed that the induction of lncRNA-uc002mbe.2 is positively associated with the apoptotic effect of trichostatin A (TSA) in hepatocellular carcinoma (HCC) cells. The current study further analyzed the role of uc002mbe.2 in TSA-induced liver cancer cell death. The level of uc002mbe.2 was markedly increased by TSA in the cytoplasm of HCC cells. Knockdown of uc002mbe.2 prohibited TSA-induced G2/M cell cycle arrest, p21 induction, and apoptosis of Huh7 cells and reversed the TSA-mediated decrease in p-AKT...
2017: Frontiers in Pharmacology
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