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https://www.readbyqxmd.com/read/28292020/long-non-coding-rna-hnf1a-as1-promotes-hepatocellular-carcinoma-cell-proliferation-by-repressing-nkd1-and-p21-expression
#1
Cong Wang, Lin Mou, Hai-Xia Chai, Feng Wang, Yun-Zhi Yin, Xiao-Yu Zhang
Hepatocellular carcinoma (HCC) is one of the most common cancers worldwide. Recent evidences have demonstrated that long non-coding RNAs (lncRNAs) act as key regulators of tumor development and progression including HCC. In the study, we showed that the expression level of HNF1A-AS1 was up-regulated in HCC cell lines. Furthermore, CCK-8 cell proliferation assays and cell cycle analysis showed that HNF1A-AS1 over-expression facilitated HCC cell proliferation by promoting the cell proliferation and S-phase progression, whereas HNF1A-AS1 knockdown had the opposite effect...
March 7, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28245170/crude-flavonoid-extract-of-medicinal-herb-zingibar-officinal-inhibits-proliferation-and-induces-apoptosis-in-hepatocellular-carcinoma-cells
#2
Osama A Abu-Zinadah, Ayman I Elkady, Rania Abd El Hamid Hussein
There is an urgent need to improve the clinical management of hepatocellular carcinoma (HCC), one of the most common causes of global cancer-related deaths. Zingibar officinale is a medicinal herb used throughout history for both culinary and medicinal purposes. It has antioxidant, anticarcinogenic, and free radical scavenging properties. Previously, we proved that the crude flavonoid extract of Z. officinale (CFEZO) inhibited growth and induced apoptosis in several cancer cell lines. However, the effect of the CFEZO on an HCC cell line has not yet been evaluated...
December 21, 2016: Oncology Research
https://www.readbyqxmd.com/read/28230855/simvastatin-induced-cell-cycle-arrest-through-inhibition-of-stat3-skp2-axis-and-activation-of-ampk-to-promote-p27-and-p21-accumulation-in-hepatocellular-carcinoma-cells
#3
Sin-Ting Wang, Hsiu J Ho, Jaw-Town Lin, Jeng-Jer Shieh, Chun-Ying Wu
Hepatocellular carcinoma (HCC) is characterized by a poor prognosis and is one of the leading causes of cancer-related death worldwide. Simvastatin, an HMG-CoA reductase inhibitor, which decreases cholesterol synthesis by inhibiting mevalonate pathways and is widely used to treat cardiovascular diseases. Simvastatin exhibits anticancer effects against several malignancies. However, the molecular mechanisms underlying the anticancer effects of simvastatin on HCC are still not well understood. In this study, we demonstrated simvastatin-induced G0/G1 arrest by inducing p21 and p27 accumulation in HepG2 and Hep3B cells...
February 23, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28219046/synthesis-and-biological-evaluation-of-novel-pyrazolic-chalcone-derivatives-as-novel-hepatocellular-carcinoma-therapeutics
#4
Mohammed M A Hawash, Deniz Cansen Kahraman, Fikriye Eren, Rengul Cetin Atalay, Sultan Nacak Baytas
Despite having the second highest mortality associated with cancer, currently Sorafenib is the only FDA-approved chemotherapeutic agent available for liver cancer patients which can only improve survival for few months. In this study, various pyrazolic chalcone analogous compounds were synthesized and evaluated as potential chemotherapeutic agents for the treatment of hepatocellular carcinoma (HCC). Modifying the central pyrazole ring at the C(3)-position with different heteroaryl rings and substituting the C(4)-position of pyrazole with differently substituted chalcone moiety produced fouthy two variant compounds...
March 31, 2017: European Journal of Medicinal Chemistry
https://www.readbyqxmd.com/read/28134936/hepatocyte-specific-smad7-deletion-accelerates-den-induced-hcc-via-activation-of-stat3-signaling-in-mice
#5
T Feng, J Dzieran, X Yuan, A Dropmann, T Maass, A Teufel, S Marhenke, T Gaiser, F Rückert, I Kleiter, S Kanzler, M P Ebert, A Vogel, P Ten Dijke, S Dooley, N M Meindl-Beinker
TGF-β signaling in liver cells has variant roles in the dynamics of liver diseases, including hepatocellular carcinoma (HCC). We previously found a correlation of high levels of the important endogenous negative TGF-β signaling regulator SMAD7 with better clinical outcome in HCC patients. However, the underlying tumor-suppressive molecular mechanisms are still unclear. Here, we show that conditional (TTR-Cre) hepatocyte-specific SMAD7 knockout (KO) mice develop more tumors than wild-type and corresponding SMAD7 transgenic mice 9 months after diethylnitrosamine (DEN) challenge, verifying SMAD7 as a tumor suppressor in HCC...
January 30, 2017: Oncogenesis
https://www.readbyqxmd.com/read/28123637/mir-34a-regulates-hdac1-expression-to-affect-the-proliferation-and-apoptosis-of-hepatocellular-carcinoma
#6
Ting-Yi Sun, Hong-Jian Xie, Zhen Li, Ling-Fei Kong, Xiang-Nan Gou, Du-Juan Li, Yu-Jie Shi, Yan-Zhi Ding
miR-34a is an important molecule that can inhibit the tumor growth. This study aimed to investigate the functional role of miR-34a in hepatocellular carcinoma (HCC) and explore the interaction between miR-34a and histone deacetylase 1 (HDAC1). RT-qPCR was employed to detect the mRNA expression of miR-34a and HDAC1 in 60 HCC tissues. Results showed miR-34a expression in HCC tissues was significantly lower than in normal tissues (P<0.05), but HDAC1 expression in HCC tissues was markedly higher than in normal tissues (P<0...
2017: American Journal of Translational Research
https://www.readbyqxmd.com/read/28105167/cisplatin-induces-hepg2-cell-cycle-arrest-through-targeting-specific-long-noncoding-rnas-and-the-p53-signaling-pathway
#7
Ping Wang, Jiayue Cui, Jihong Wen, Yunhui Guo, Liangzi Zhang, Xia Chen
Cisplatin has been used effectively in the treatment of hepatocellular carcinoma (HCC). Long noncoding RNAs (lncRNAs) were recently reported to contribute to the pathogenesis and progression of HCC. Their molecular mechanism related to cisplatin treatment remains unclear. The purpose of this study is to identify specific lncRNAs and to clarify their functions in HCC after cisplatin exposure. Reannotation and identification of differentially expressed lncRNAs were performed using the microarray data set GSE38122 in the Gene Expression Omnibus database...
December 2016: Oncology Letters
https://www.readbyqxmd.com/read/28103869/sinularin-induces-dna-damage-g2-m-phase-arrest-and-apoptosis-in-human-hepatocellular-carcinoma-cells
#8
Ting-Wen Chung, Shih-Chao Lin, Jui-Hsin Su, Yu-Kuo Chen, Chi-Chien Lin, Hong-Lin Chan
BACKGROUND: Sinularin isolated from the cultured soft coral Sinularia flexibilis has been reported to exert potent cytotoxic effects against particular types of cancer. This study was carried out to investigate the cytotoxic effects in sinularin-treated human hepatocellular carcinoma cells, HepG2, and to subsequently explore the underlying molecular mechanisms. METHODS: TheMTT (3-[4,5-dimethylthiazol-2-yl]-2, 5-diphenyl- tetrazolium bromide) method was used to evaluate the cytotoxicity of sinularin on HepG2 and Hep3B cell lines...
January 19, 2017: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/28098878/early-growth-response-3-inhibits-growth-of-hepatocellular-carcinoma-cells-via-upregulation-of-fas-ligand
#9
Shujuan Zhang, Chao Xia, Cong Xu, Jing Liu, Han Zhu, Ya Yang, Fei Xu, Juanfeng Zhao, Ying Chang, Qiu Zhao
Hepatocellular carcinoma (HCC) is a prevalent malignancy with aggressive biological behavior and poor prognosis. Early growth response 3 (EGR3) is a zinc finger transcription factor, and has been studied primarily in the context of neurodevelopment, autoimmunity, inflammation and angiogenesis. Accumulating evidence indicates that EGR3 is a novel suppressor gene of tumor initiation and progression in certain cancer events, but little work has been carried out in exploring the relationship between EGR3 and HCC growth...
March 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28052383/liver-damage-and-senescence-increases-in-patients-developing-hepatocellular-carcinoma
#10
Silvia Rey, Cristina Quintavalle, Katharina Burmeister, Diego Calabrese, Manuel Schlageter, Luca Quagliata, Gieri Cathomas, Joachim Diebold, Alfredo Molinolo, Markus H Heim, Luigi M Terracciano, Matthias S Matter
BACKGROUND & AIMS: Most patients with a hepatocellular carcinoma (HCC) have an underlying chronic liver inflammation, which causes a continuous damage leading to liver cirrhosis and eventually HCC. However, only a minority of cirrhotic patients develop HCC. To asses a possible differential impact of liver inflammation in patients developing HCC versus patients remaining tumor-free we designed a longitudinal study and analyzed liver tissue of the same patient (n = 33) at two points in time: once when no HCC was present and once, several years later, when a HCC was present...
January 3, 2017: Journal of Gastroenterology and Hepatology
https://www.readbyqxmd.com/read/28035361/korean-byungkyul-citrus-platymamma-hort-et-tanaka-flavonoids-induces-cell-cycle-arrest-and-apoptosis-regulating-mmp-protein-expression-in-hep3b-hepatocellular-carcinoma-cells
#11
Gyeong Eun Hong, Ho Jeong Lee, Jin A Kim, Silvia Yumnam, Suchismita Raha, Venu Venkatarame Gowda Saralamma, Jeong Doo Heo, Sang Joon Lee, Eun Hee Kim, Chun Kil Won, Gon Sup Kim
Citrus platymamma Hort.et Tanaka is an indigenous fruit of Jeju island in Korea. In this study the bioactivity of C. platymamma flavonoids were evaluated on human hepatoma Hep3B cell lines. Eleven flavonoids were identified from the peels of C. platymamma Hort.et Tanaka through high-performance liquid chromatography-Tandem mass spectrometry and the anticancer effect of these C. platymamma flavonoids on human hepatoma Hep3B were studied. Chromatin condensation was observed in Hep3B cells treated with C. platymamma flavonoids...
February 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28012958/romidepsin-induces-g2-m-phase-arrest-via-erk-cdc25c-cdc2-cyclinb-pathway-and-apoptosis-induction-through-jnk-c-jun-caspase3-pathway-in-hepatocellular-carcinoma-cells
#12
Wei-Jian Sun, He Huang, Bin He, Dan-Hong Hu, Pi-Hong Li, Yao-Jun Yu, Xiao-Hu Zhou, Zhen Lv, Lei Zhou, Tian-Ye Hu, Zhi-Chao Yao, Ming-Dong Lu, Xian Shen, Zhi-Qiang Zheng
The aim of the study is to demonstrate the effect of Romidepsin in hepatocellular carcinoma (HCC) by inducing G2/M phase arrest via Erk/cdc25C/cdc2/cyclinB pathway and apoptosis through JNK/c-Jun/caspase3 pathway in vitro and in vivo. Human HCC cell lines were cultured with Romidepsin and DMSO (negative control) and 5-fluorouracil (positive control). Then the cells' viability and apoptosis were determined by cell proliferation assay and flow cytometry. Protein concentrations and expression changes were measured by Western blot...
December 22, 2016: Biochemical Pharmacology
https://www.readbyqxmd.com/read/27980070/%C3%AE-40p53%C3%AE-suppresses-tumor-cell-proliferation-and-induces-cellular-senescence-in-hepatocellular-carcinoma-cells
#13
Akinobu Ota, Haruhisa Nakao, Yumi Sawada, Sivasundaram Karnan, Md Wahiduzzaman, Tadahisa Inoue, Yuji Kobayashi, Takaya Yamamoto, Norimitsu Ishii, Tomohiko Ohashi, Yukiomi Nakade, Ken Sato, Kiyoaki Itoh, Hiroyuki Konishi, Yoshitaka Hosokawa, Masashi Yoneda
Splice variants of certain genes impact on genetic biodiversity in mammals. The tumor suppressor TP53 gene (encoding p53) plays an important role in the regulation of tumorigenesis in hepatocellular carcinoma (HCC). Δ40p53α is a naturally occurring p53 isoform that lacks the N-terminal transactivation domain, yet little is known about the role of Δ40p53α in the development of HCC. Here, we first report on the role of Δ40p53α in HCC cell lines. In the TP53(+/Δ40) cell clones, clonogenic activity and cell survival dramatically decreased, whereas the percentage of senescence-associated β-galactosidase (SA-β-gal)-positive cells and p21 (also known as WAF1, CIP1 and CDKN1A) expression significantly increased...
February 1, 2017: Journal of Cell Science
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/27894814/tanshinone-iia-induced-cell-death-via-mir30b-p53-ptpn11-shp2-signaling-pathway-in-human-hepatocellular-carcinoma-cells
#15
Xuanqi Ren, Cui Wang, Binbin Xie, Linfeng Hu, Hui Chai, Lei Ding, Lihua Tang, Yongliang Xia, Xiaobing Dou
Tanshinone IIA, a multi-pharmaceutical compound from traditional Chinese herb, has been reported to have anti-hepatocarcinomic (HCC) properties through cell death induction. Apart from the typical p53-dependent pathway, mechanisms of the anti-carcinogenic role of Tanshinone remain scarce. In an effort to explore the mechanism behind Tanshinone IIA, we detected the upstream of the p53 and the potential novel pathway. Tanshinone IIA dose-dependently initiated HepG2 cell apoptosis and cell cycle arrest at the G1 checkpoint...
November 26, 2016: European Journal of Pharmacology
https://www.readbyqxmd.com/read/27835881/il-37-suppresses-hepatocellular-carcinoma-growth-by-converting-psmad3-signaling-from-jnk-psmad3l-c-myc-oncogenic-signaling-to-psmad3c-p21-tumor-suppressive-signaling
#16
Rui Liu, Chengyong Tang, Ai Shen, Huating Luo, Xufu Wei, Daofeng Zheng, Chao Sun, Zhongtang Li, Di Zhu, Tingting Li, Zhongjun Wu
IL-37 has been characterized as a fundamental inhibitor of innate immunity and a tumor suppressor in several cancers. However, the molecular mechanism of IL-37 in hepatocellular carcinoma (HCC) is largely unclear. In this study we found IL-37 expression was down-regulated in human HCC tissues and cell lines, and was negatively correlated with tumor size, vascular invasion, as well as overall-survial and disease-free survival (OS and DFS) of HCC. Multivariate Cox analysis revealed that IL-37 was an independent prognostic indicator for OS and DFS in HCC...
November 8, 2016: Oncotarget
https://www.readbyqxmd.com/read/27832471/expression-pattern-of-bccip-in-hepatocellular-carcinoma-is-correlated-with-poor-prognosis-and-enhanced-cell-proliferation
#17
Zhipeng Lin, Baoying Hu, Wenkai Ni, Xiaofei Mao, Huiling Zhou, Jiale Lv, Bihui Yin, Zhongyi Shen, Miaomiao Wu, Wensen Ding, Mingbing Xiao, Runzhou Ni
BCCIP was originally identified as a BRCA2- and CDKN1A- (Cip1/waf1/p21) interacting protein, also known as BCCIP. It has been reported to express in various types of cancers, including colorectal cancer (CRC), astrocytic brain tumors, and glioblastomas. However, the relationship between BCCIP expression and clinicopathological features of hepatocellular carcinoma (HCC) remains to be determined. Herein, we demonstrated that BCCIP was downregulated in clinical HCC tissues; its level was inversely correlated with multiple clinicopathological factors, such as tumor grade, tumor size, and Ki67 expression...
November 10, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/27824900/sirt6-depletion-suppresses-tumor-growth-by-promoting-cellular-senescence-induced-by-dna-damage-in-hcc
#18
Namgyu Lee, Hye Guk Ryu, Jung-Hee Kwon, Dae-Kyum Kim, Sae Rom Kim, Hee Jung Wang, Kyong-Tai Kim, Kwan Yong Choi
The role of Sirtuin 6 (SIRT6) as a tumor suppressor or oncogene in liver cancer remains controversial. Thus, we identified the specific role of SIRT6 in the progression of hepatocellular carcinoma (HCC). SIRT6 expression was significantly higher in HCC cell lines and HCC tissues from 138 patients than in an immortalized hepatocyte cell line, THLE-2 and non-tumor tissues, respectively. SIRT6 knockdown by shRNA suppressed the growth of HCC cells and inhibited HCC tumor growth in vivo. In addition, SIRT6 silencing significantly prevented the growth of HCC cell lines by inducing cellular senescence in the p16/Rb- and p53/p21-pathway independent manners...
2016: PloS One
https://www.readbyqxmd.com/read/27803767/lycopene-modulates-cellular-proliferation-glycolysis-and-hepatic-ultrastructure-during-hepatocellular-carcinoma
#19
Prachi Gupta, Nisha Bhatia, Mohinder Pal Bansal, Ashwani Koul
AIM: To investigate the effect of lycopene extracted from tomatoes (LycT) on ultrastructure, glycolytic enzymes, cell proliferation markers and hypoxia during N-Nitrosodiethylamine (NDEA)-induced hepatocarcinogenesis. METHODS: Female BALB/c mice were randomly divided into four groups: The Control, NDEA (200 mg NDEA/kg b.w. given i.p.), LycT (5 mg/kg b.w. given orally on alternate days) and LycT + NDEA group. The mRNA and protein expression of various cell proliferation markers (PCNA, Cyclin D1, and p21) were assessed by reverse transcription-polymerase chain reaction and enzyme linked immunosorbent assay, respectively...
October 18, 2016: World Journal of Hepatology
https://www.readbyqxmd.com/read/27779207/hbv-core-promoter-mutations-and-akt-upregulate-s-phase-kinase-associated-protein-2-to-promote-postoperative-hepatocellular-carcinoma-progression
#20
Lubiao Chen, Lin Gu, Yurong Gu, Hongbo Wang, Meihai Deng, Zania Stamataki, Ye Htun Oo, Yuehua Huang
Mutations in the hepatitis B virus (HBV) core promoter (CP) have been shown to be associated with hepatocellular carcinoma (HCC). The CP region overlaps HBV X gene, which activates AKT to regulate hepatocyte survival. However, the cooperation between these two cascades in HCC progression remains poorly understood. Here, we assayed virological factors and AKT expression in liver tissues from 56 HCC patients with better prognoses (BHCC, ≥5-year survival) and 58 with poor prognoses (PHCC, <5-year survival) after partial liver resection...
October 25, 2016: Scientific Reports
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