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HCC and p21

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https://www.readbyqxmd.com/read/29117881/downregulated-trophinin-associated-protein-plays-a-critical-role-in-human-hepatocellular-carcinoma-through-upregulation-of-tumor-cell-growth-and-migration
#1
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
https://www.readbyqxmd.com/read/29093516/thyroid-hormone-inhibits-growth-of-hepatoma-cells-through-induction-of-mir-214
#2
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
https://www.readbyqxmd.com/read/29080747/trip6-promotes-cell-proliferation-in-hepatocellular-carcinoma-via-suppression-of-foxo3a
#3
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...
October 28, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29018945/-nuclear-her2-expression-in-hepatocytes-in-liver-disease
#4
REVIEW
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
https://www.readbyqxmd.com/read/28993733/lncrna-uc002mbe-2-interacting-with-hnrnpa2b1-mediates-akt-deactivation-and-p21-up-regulation-induced-by-trichostatin-in-liver-cancer-cells
#5
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
https://www.readbyqxmd.com/read/28990231/ifi16-restoration-in-hepatocellular-carcinoma-induces-tumour-inhibition-via-activation-of-p53-signals-and-inflammasome
#6
Wei Lin, Zhiguang Zhao, Zhonglin Ni, Yaxin Zhao, Wenjun Du, Shijun Chen
OBJECTIVE: Interferon-inducible 16 (IFI16) is known to involve in p53-dependent tumour suppression and also the formation of inflammasome, which function, however, remains controversy during carcinogenesis as a pattern recognition receptor for tumour death-derived free DNA. In this study, we investigated the anti-tumour role of IFI16 in hepatocellular carcinoma (HCC). MATERIALS AND METHODS: Hepatocellular carcinoma tissues (n = 20) and corresponding non-neoplastic tissues (n = 20) were collected to determine the expression of IFI16...
October 8, 2017: Cell Proliferation
https://www.readbyqxmd.com/read/28978114/microrna-18a-promotes-proliferation-and-metastasis-in-hepatocellular-carcinoma-via-targeting-klf4
#7
Li Liu, Xun Cai, Enqiang Liu, Xia Tian, Chuan Tian
MicroRNAs (miRNAs) are short, non-coding and endogenous RNAs that played as important roles in the proliferation and metastasis of tumors. In this study, we determined the role of miR-18a in the regulation of HCC cell motility. We showed that miR-18a expression was upregulated in human HCC tissues and cell lines. Moreover, Elevated expression of miR-18a promoted the HCC cell proliferation and migration. KLF4 was identified as a direct target of miR-18a in HCC cells. Furthermore, overexpression of KLF4 attenuated the effects of miR-18a on the regulation of HCC cell motility...
September 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28977851/downregulation-of-serum-rab27b-confers-improved-prognosis-and-is-associated-with-hepatocellular-carcinoma-progression-through-pi3k-akt-p21-signaling
#8
Xue Yang, Xieqiong Ye, Le Sun, Fangyuan Gao, Yuxin Li, Xiaomin Ji, Xuejiang Wang, Ying Feng, Xianbo Wang
Previous study revealed that elevated expression of RAB27B in tissues is correlated with hepatocellular carcinoma (HCC) progression; however, the mechanisms involved in promoting HCC development are still unclear. Moreover, HCC tissues are not readily obtained during routine diagnosis. Therefore, to further explore its potential value in early diagnosis, we examined RAB27B expression in patient sera. First, the correlation between serum RAB27B expression and survival, as well as TNM and Barcelona Clinic Liver Cancer stages, were evaluated in patients with HCC...
September 22, 2017: Oncotarget
https://www.readbyqxmd.com/read/28969053/induction-of-socs3-by-liver-x-receptor-suppresses-the-proliferation-of-hepatocellular-carcinoma-cells
#9
Haojun Xiong, Yan Zhang, Shan Chen, Zhenhong Ni, Jintao He, Xinzhe Li, Bo Li, Kai Zhao, Fan Yang, Yijun Zeng, Bingbo Chen, Fengtian He
Liver X receptor (LXR), a member of nuclear receptor superfamily, is involved in the regulation of glucose, lipid and cholesterol metabolism. Recently, it has been reported that LXR suppress different kinds of cancers including hepatocellular carcinoma (HCC). However, the corresponding mechanism is still not well elucidated. In the present study, we found that activation of LXR downregulated cyclin D1 while upregulated p21 and p27 by elevating the level of suppressor of cytokine signaling 3 (SOCS3), leading to the cell cycle arrest at G1/S phase and growth inhibition of HCC cells...
September 8, 2017: Oncotarget
https://www.readbyqxmd.com/read/28938844/mcur1-mediated-mitochondrial-calcium-signaling-facilitates-cell-survival-of-hepatocellular-carcinoma-via-reactive-oxygen-species-dependent-p53-degradation
#10
Tingting Ren, Jiaojiao Wang, Hui Zhang, Peng Yuan, Jianjun Zhu, Yousheng Wu, Qichao Huang, Xu Guo, Jing Zhang, Lele Ji, Jibin Li, Hongxin Zhang, Hushan Yang, Jinliang Xing
AIMS: Levels of the mitochondrial calcium uniporter regulator 1 (MCUR1) increases during development of hepatocellular carcinoma (HCC). However, mechanisms of how mitochondrial Ca(2+) homeostasis is modulated and its function remain limited in cancers. RESULTS: MCUR1 was frequently upregulated in HCC cells to enhance the Ca(2+) uptake into mitochondria in an MCU-dependent manner, which significantly facilitated cell survival by inhibiting mitochondria-dependent intrinsic apoptosis and promoting proliferation of HCC cells, and thus led to poor prognosis...
November 1, 2017: Antioxidants & Redox Signaling
https://www.readbyqxmd.com/read/28935368/ube2t-promotes-hepatocellular-carcinoma-cell-growth-via-ubiquitination-of-p53
#11
Li-Ping Liu, Mei Yang, Quan-Zhou Peng, Ming-Yue Li, Yu-Sen Zhang, Yue-Hua Guo, Yang Chen, Shi-Yun Bao
Deregulation of Ubiquitin-conjugating enzyme E2T (UBE2T) contributes to the progression of human cancers. However, its clinical significance and role in hepatocellular carcinoma (HCC) remain unclear. Here, we show that UBE2T is up-regulated in HCC and exerts oncogenic activities via ubiquitination of p53. High UBE2T expression was correlated with higher pathological grade, advanced TNM stage, tumor vascular invasion, and poor overall and disease-free survivals in two independent cohorts containing 827 patients with HCC...
November 4, 2017: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/28919514/hz-6d-targeted-herc5-to-regulate-p53-isgylation-in-human-hepatocellular-carcinoma
#12
Yang Wang, Qi Ding, Tao Xu, Chang-Yao Li, Dan-Dan Zhou, Lei Zhang
Manipulating the posttranslational modulator of p53 is central in the regulation of its activity and function. ISGylated p53 can be degraded by the 20S proteasome. During this process, HERC5/Ceb1, an IFN-induced HECT-type E3 ligase, mediated p53 ISGylation. In this study, we indicated that HERC5 was over-expressed in both HCC tissue samples and cell lines. Knockdown of HERC5 significantly induced the expression of p53, p21 and Bax/Bcl-2 in HCC cells, resulting in apoptosis augment. Whereas, opposite results were obtained by using HERC5 over-expression...
November 1, 2017: Toxicology and Applied Pharmacology
https://www.readbyqxmd.com/read/28903351/preoperative-transcatheter-arterial-chemotherapy-may-suppress-oxidative-stress-in-hepatocellular-carcinoma-cells-and-reduce-the-risk-of-short-term-relapse
#13
Hao Su, Guangzhi Zhu, Ketut Indra Djaja P, Yi Lin, Yizhen Gong, Xiaoguang Liu, Jiaquan Li, Zhiming Liu, Xiao Qin, Lequn Li, Tangwei Liu, Zili Lu, Minyi Wei, Lunan Yan, Cheryl Ann Winkler, Stephen J O'Brien, Jing Li, Kaiyin Xiao, Tao Peng
In this study, we aim to investigate oxidative stress in hepatocellular carcinoma (HCC) tissues in patients receiving preoperative transcatheter arterial chemotherapy (TAC) and its association with prognosis. A total of 89 HCC patients enrolled in this study, 39 received preoperative TAC 1 week before surgery (pTAC group) and 50 did not (non-pTAC group). All patients underwent hepatectomy and postoperative TAC and were followed up to 400 weeks. Samples of liver tissue without HCC and hepatitis (n = 15) served as normal controls...
August 15, 2017: Oncotarget
https://www.readbyqxmd.com/read/28902357/expression-of-wnt3a-in-hepatocellular-carcinoma-and-its-effects-on-cell-cycle-and-metastasis
#14
Caijie Lu, Yifeng He, Juan Duan, Yongguang Yang, Chunqiang Zhong, Jian Zhang, Weiguo Liao, Xiaojie Huang, Runzhi Zhu, Mingyi Li
Invasion and metastasis are the primary causes of mortality from hepatocellular carcinoma (HCC). Effective inhibition against participants in the tumourigenesis and metastasis process is critical for treatment of HCC. Wnt3a is involved in the development and metastasis of many malignant tumours. However, the specific mechanisms of Wnt3a-mediated cell proliferation, invasion and metastasis in HCC remain unclear. In this study, we found that Wnt3a and its target gene c‑Myc showed higher expression in tumour tissues than normal liver tissues in HCC patients; 71...
October 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28855652/xwl-1-48-exerts-antitumor-activity-via-targeting-topoisomerase-ii-and-enhancing-degradation-of-mdm2-in-human-hepatocellular-carcinoma
#15
Yajie Wang, Hua Sun, Zhiyan Xiao, Dan Zhang, Xiuqi Bao, Ning Wei
A novel podophyllotoxin derivative, XWL-1-48, was synthesized as an oral topoisomerase II inhibitor. kDNA decatenation assay indicated that XWL-1-48 significantly inhibited topoisomerase II activity in a concentration-dependent manner. Moreover, the cytotoxicity of XWL-1-48 is more potent than its congener GL331 and the IC50 values are from 0.34 ± 0.21 to 3.54 ± 0.54 µM in 10 cancer cell lines including KBV200 cells with P-gp overexpression. Noticeably, XWL-1-48 exerted potent antitumor activity in in vitro and in vivo human hepatocellular carcinoma (HCC) model...
August 30, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28802060/taurine-upregulated-gene-1-functions-as-a-master-regulator-to-coordinate-glycolysis-and-metastasis-in-hepatocellular-carcinoma
#16
Yang-Hsiang Lin, Meng-Han Wu, Ya-Hui Huang, Chau-Ting Yeh, Mei-Ling Cheng, Hsiang-Cheng Chi, Chung-Ying Tsai, I-Hsiao Chung, Ching-Ying Chen, Kwang-Huei Lin
Cancer cells display altered glucose metabolism characterized by a preference for aerobic glycolysis. The aerobic glycolytic phenotype of hepatocellular carcinoma (HCC) is often correlated with tumor progression and poorer clinical outcomes. However, the issue of whether glycolytic metabolism influences metastasis in HCC remains unclear. In the current study, we showed that knockdown of Taurine upregulated gene 1 (TUG1) induces marked inhibition of cell migration, invasion and glycolysis via suppression of miR-455-3p...
August 12, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28767424/induction-of-socs3-by-liver-x-receptor-suppresses-the-proliferation-of-hepatocellular-carcinoma-cells
#17
Haojun Xiong, Yan Zhang, Shan Chen, Zhenhong Ni, Jintao He, Xinzhe Li, Bo Li, Kai Zhao, Fan Yang, Yijun Zeng, Bingbo Chen, Fengtian He
Liver X receptor (LXR), a member of nuclear receptor superfamily, is involved in the regulation of glucose, lipid and cholesterol metabolism. Recently, it has been reported that LXR suppress different kinds of cancers including hepatocellular carcinoma (HCC). However, the corresponding mechanism is still not well elucidated. In the present study, we found that activation of LXR downregulated cyclin D1 while upregulated p21 and p27 by elevating the level of suppressor of cytokine signaling 3 (SOCS3), leading to the cell cycle arrest at G1/S phase and growth inhibition of HCC cells...
July 18, 2017: Oncotarget
https://www.readbyqxmd.com/read/28754876/microrna-18a-promotes-proliferation-and-metastasis-in-hepatocellular-carcinoma-via-targeting-klf4
#18
Li Liu, Xun Cai, Enqiang Liu, Xia Tian, Chuan Tian
MicroRNAs (miRNAs) are short, non-coding and endogenous RNAs that played as important roles in the proliferation and metastasis of tumors. In this study, we determined the role of miR-18a in the regulation of HCC cell motility. We showed that miR-18a expression was upregulated in human HCC tissues and cell lines. Moreover, Elevated expression of miR-18a promoted the HCC cell proliferation and migration. KLF4 was identified as a direct target of miR-18a in HCC cells. Furthermore, overexpression of KLF4 attenuated the effects of miR-18a on the regulation of HCC cell motility...
July 17, 2017: Oncotarget
https://www.readbyqxmd.com/read/28731159/ganoderic-acid-a-inhibits-proliferation-and-invasion-and-promotes-apoptosis-in-human-hepatocellular-carcinoma-cells
#19
Xu Wang, Di Sun, Jiandong Tai, Lei Wang
Ganoderic acid A (GA‑A), a triterpenoid, has been demonstrated to suppress cell proliferation in various cancers, including breast cancer and osteosarcoma. However, its effect on human hepatocellular carcinoma (HCC) remains to be elucidated. The present study aimed to investigate the effect of GA‑A on HCC cells in vitro. The HepG2 and SMMC7721 human HCC cell lines were treated with differing concentrations of GA‑A for 24, 48 and 72 h. The cell growth rate, cell cycle and apoptosis, migration and invasion were determined using a Cell Counting Kit‑8, flow cytometry and transwell assays, respectively...
October 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28721075/lincrna-p21-inhibits-invasion-and-metastasis-of-hepatocellular-carcinoma-through-mir-9-e-cadherin-cascade-signaling-pathway-molecular-mechanism
#20
Gangqiang Ding, Zhen Peng, Jia Shang, Yi Kang, Huibin Ning, Chongshan Mao
In the previous study, it was found that long intergenic noncoding RNA-p21 (lincRNA-p21) was downregulated in hepatocellular carcinoma (HCC) and lincRNA-p21 overexpression inhibited tumor invasion through inducing epithelial-mesenchymal transition. However, the underlying mechanism was not fully elaborated. In this study, lincRNA-p21 expression was measured in 12 paired HCC and nontumor adjacent normal tissues by quantitative real-time polymerase chain reaction. The effects of lincRNA-p21 on HCC cells were studied using lentivirus expressing lincRNA-p21 vector in vitro...
2017: OncoTargets and Therapy
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