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HCC and p21

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https://www.readbyqxmd.com/read/28802060/taurine-upregulated-gene-1-functions-as-a-master-regulator-to-coordinate-glycolysis-and-metastasis-in-hepatocellular-carcinoma
#1
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
#2
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
#3
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
#4
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...
July 21, 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
#5
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
https://www.readbyqxmd.com/read/28684299/cyperus-amuricus-induces-g1-arrest-and-apoptosis-through-endoplasmic-reticulum-stress-and-mitochondrial-signaling-in-human-hepatocellular-carcinoma-hep3b-cells
#6
Hai Ha Thi Pham, Yeong-Ae Seong, Daniel Ngabire, Chul-Woong Oh, Gun-Do Kim
ETHNOPHARMACOLOGY RELEVANCE: Cyperus amuricus (C. amuricus), belongs to the family Cyperaceae, was used to exert wound healing, diuretic, astringent and other intestinal problems in oriental medicine. However, only a few studies have reported its anticancer activities. AIM OF THE STUDY: In this study, we determined the activity of C. amuricus on ER stress-induced cell death and G1 cell cycle arrest in human hepatocellular carcinoma (HCC) Hep3B cells. MATERIALS AND METHODS: The in vitro cell proliferation assay of C...
July 4, 2017: Journal of Ethnopharmacology
https://www.readbyqxmd.com/read/28677801/modulation-of-igf2bp1-by-long-non-coding-rna-hcg11-suppresses-apoptosis-of-hepatocellular-carcinoma-cells-via-mapk-signaling-transduction
#7
Yantian Xu, Yuanwen Zheng, Hongyan Liu, Tao Li
Hepatocellular carcinoma (HCC) is a common malignancy of the liver. HCG11 is a member of long non‑coding family, upregulation of which in HCC was proved by our previous study. In the present study, the role of HCG11 in the development of HCC was detected by focusing on the interaction between HCG11 and its target protein insulin-like growth factor 2 mRNA-binding protein 1 (IGF2BP1). The expression status of HCG11 and IGF2BP1 was first investigated with clinical HCC samples. Then the expressions of HCG11 and IGF2BP1 were both inhibited in the human HCC cell line HepG2 and the cell viability, proliferation, apoptosis and metastasis potential of HepG2 cells were assessed...
July 5, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28676953/regulation-of-sirt1-ampk-axis-is-critically-involved-in-gallotannin-induced-senescence-and-impaired-autophagy-leading-to-cell-death-in-hepatocellular-carcinoma-cells
#8
Hee Young Kwon, Ju-Ha Kim, Bonglee Kim, Sanjay K Srivastava, Sung-Hoon Kim
Hepatocellular carcinoma (HCC) is one of the most fatal malignancies with high mortality worldwide. Here the underlying antitumor mechanism of gallotannin was elucidated in HCC cells. Gallotannin suppressed viability and colony formation, increased subG1 portion and also induced senescence via upregulation of p21, G0/G1 arrest and higher SA-β-gal activity in HepG2 and SK-Hep1 cells. However, pan-caspase inhibitor Z-VAD-FMK reversed the ability of gallotannin to activate caspase 3 at 48 h after treatment in two HCC cells...
July 4, 2017: Archives of Toxicology
https://www.readbyqxmd.com/read/28611303/tumor-suppressive-effect-of-s-adenosylmethionine-supplementation-in-a-murine-model-of-inflammation-mediated-hepatocarcinogenesis-is-dependent-on-treatment-longevity
#9
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...
May 30, 2017: Oncotarget
https://www.readbyqxmd.com/read/28591730/downregulation-of-serum-rab27b-confers-improved-prognosis-and-is-associated-with-hepatocellular-carcinoma-progression-through-pi3k-akt-p21-signaling
#10
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...
May 19, 2017: Oncotarget
https://www.readbyqxmd.com/read/28572744/berberine-regulates-the-protein-expression-of-multiple-tumorigenesis-related-genes-in-hepatocellular-carcinoma-cell-lines
#11
Tung-Yueh Chuang, Hsiao-Li Wu, Jie Min, Michael Diamond, Ricardo Azziz, Yen-Hao Chen
BACKGROUND: Hepatocellular carcinoma (HCC) is the seventh most common malignancy and the third leading cause of cancer-related death worldwide with an extremely grim prognosis. Berberine (BBR) has been found to inhibit proliferation of human HCC cells, although the underlying mechanism(s) are unclear. METHODS: Protein expression was detected by Western blots. Cell viability was determined by using the CellTiter Assay kit. RESULTS: We confirm that BBR treatment inhibits HepG2, Hep3B, and SNU-182 cell viability, and suggest that it regulates this proliferation via the modulation of multiple tumorigenesis-related genes protein expression...
2017: Cancer Cell International
https://www.readbyqxmd.com/read/28560394/microrna-526a-targets-p21-activated-kinase-7-to-inhibit-tumorigenesis-in-hepatocellular-carcinoma
#12
Lei Zhan, Yaozhen Pan, Ling Chen, Zili Chen, Hong Zhang, Chengyi Sun
MicroRNAs belong to a series of noncoding RNAs and have diverse roles in several biological processes. The association between aberrant microRNA expression and tumorigenesis is complex and remains to be fully elucidated. The present study investigated whether microRNA (miR) ‑526a can suppress the progression of hepatocellular carcinoma (HCC) in vitro and in vivo. Reverse transcription‑quantitative polymerase chain reaction, luciferase reporter assay, invasion assay, western blotting and in vivo implantation were used to investigate the potential function of miR‑526a...
July 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/28520103/circular-rna-mto1-acts-as-the-sponge-of-mir-9-to-suppress-hepatocellular-carcinoma-progression
#13
Dan Han, Jiangxue Li, Huamin Wang, Xiaoping Su, Jin Hou, Yan Gu, Cheng Qian, Yun Lin, Xiang Liu, Mingyan Huang, Nan Li, Weiping Zhou, Yizhi Yu, Xuetao Cao
Non-coding RNAs play important roles in cancer biology, providing potential targets for cancer intervention. As a new class of endogenous non-coding RNAs, circular RNAs (circRNAs) have been recently identified in the development, cell function and certain types of pathological responses, generally acting as microRNA (miRNA) sponge to regulate gene expression. Identifying the deregulated circRNAs and their roles in cancer has attracted much attention. However, the expression profile and function of circRNAs in human hepatocellular carcinoma (HCC) remain to be investigated...
May 18, 2017: Hepatology: Official Journal of the American Association for the Study of Liver Diseases
https://www.readbyqxmd.com/read/28471446/dysfunction-of-ikzf1-myc-mdig-axis-contributes-to-liver-cancer-progression-through-regulating-h3k9me3-p21-activity
#14
Qi Huo, Chao Ge, Hua Tian, Ji Sun, Meiling Cui, Hong Li, Fangyu Zhao, Taoyang Chen, Haiyang Xie, Ying Cui, Ming Yao, Jinjun Li
MDIG is known to be overexpressed in many types of human cancers and has demonstrated predictive power in the prognosis of cancer, although the functions and mechanisms of MDIG in liver cancer, especially in hepatocellular carcinoma (HCC), are still unknown. In this study, we report that MDIG and MYC were negatively regulated by IKZF1. MDIG overexpression substantially promoted HCC cell proliferation, cell migration and spreading, whereas knockdown of MDIG would reverse above-mentioned effect. MDIG effects on tumour cell growth were further demonstrated in a tumour xenograft model...
May 4, 2017: Cell Death & Disease
https://www.readbyqxmd.com/read/28465479/kctd11-inhibits-growth-and-metastasis-of-hepatocellular-carcinoma-through-activating-hippo-signaling
#15
Rongliang Tong, Beng Yang, Heng Xiao, Chuanhui Peng, Wendi Hu, Xiaoyu Weng, Shaobing Cheng, Chengli Du, Zhen Lv, Chaofeng Ding, Lin Zhou, Haiyang Xie, Jian Wu, Shusen Zheng
A lack of effective prognostic biomarkers and molecular targets is a serious problem in hepatocellular carcinoma. KCTD11, reported as a tumor suppressor, are still not well understood. In this study, KCTD11 was found low-expressed in HCC tissues and cell lines. The HCC patients with low expression of KCTD11 suggested shorter overall survival. We found KCTD11 inhibiting cell proliferation in vitro and tumor growth in vivo, by activating p21 and repressing cycle related proteins. KCTD11 also inhibited cell adhesion by decreasing CTGF and CLDN1...
June 6, 2017: Oncotarget
https://www.readbyqxmd.com/read/28456796/alpha1-act-functions-as-a-tumour-suppressor-in-hepatocellular-carcinoma-by-inhibiting-the-pi3k-akt-mtor-signalling-pathway-via-activation-of-pten
#16
Hanzhang Zhu, Qiaoyu Liu, Junwei Tang, Yu Xie, Xiaoliang Xu, Ruyi Huang, Yuanguangyan Zhang, Kangpeng Jin, Beicheng Sun
BACKGROUND & AIMS: To investigate the expression and prognostic value of α1-ACT (Alpha1-antichymotrypsin) in patients with HCC (hepatocellular carcinoma) and identify the mechanism by which α1-ACT inhibits proliferation and promotes apoptosis of HCC. METHODS: We first measured α1-ACT expression levels and determined their relationship with the clinicopathological characteristics and prognosis of patients with HCC.We then established stable HCC cell lines with both α1-ACT overexpression and knockdown and performed a functional analysis in vitro...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28427193/targeting-high-aurora-kinases-expression-as-an-innovative-therapy-for-hepatocellular-carcinoma
#17
Fuchen Liu, Guangyong Wang, Xiaoqiang Wang, Zhihui Che, Wei Dong, Xinggang Guo, Zhenguang Wang, Ping Chen, Daisen Hou, Qi Zhang, Wenli Zhang, Yida Pan, Dongqin Yang, Hui Liu
The Aurora kinases A and B control tumorigenesis by inhibiting apoptosis and promoting proliferation and metastasis, however, it remains unknown whether Aurora A and B overexpressed concomitantly and its clinical significance in hepatocellular carcinoma (HCC). Here, we obsearved Aurora A and B tended to overexpress parallelly on protein level (r = 0.8679, P < 0.0001) and their co-overexpression (Aurora AHBH), associated with the worst prognosis, was an independent predictor for the survival. Importantly, with the lower IC50 and stronger anti-tumor effect than selective inhibitors, SNS-314, the pan-inhibitor of Aurora kinases, which induced YAP (Yes-associated protein) reduction and resulted in P21 accumulation, significantly promoted the polyploidy (> 4N) formation and apoptosis in HCC...
April 25, 2017: Oncotarget
https://www.readbyqxmd.com/read/28423575/activated-notch-signaling-augments-cell-growth-in-hepatocellular-carcinoma-via-up-regulating-the-nuclear-receptor-nr4a2
#18
Bo Zhu, Lichun Sun, Wei Luo, Min Li, David H Coy, Long Yu, Wenbo Yu
Hepatocellular carcinoma (HCC) is one of the most malignant cancers. Conventional therapies are limited due to the human liver being such a unique organ and easily showing side-effects. The unclear molecular mechanisms are tough challenges for scientists searching for new and effective anti-HCC targeting drugs. We identified that the nuclear receptor NR4A2 is a novel oncogene in HCC progression. In this study, we show that NR4A2 and the notch recceptor Notch1 were expressed highly in primary HCC tissues and immortal HCC cells by using qPCR, western blot and immuno-histochemistry assays...
April 4, 2017: Oncotarget
https://www.readbyqxmd.com/read/28421122/potential-antitumor-activity-and-apoptosis-induction-of-glossostemon-bruguieri-root-extract-against-hepatocellular-carcinoma-cells
#19
Mona S Alwhibi, Mahmoud I M Khalil, Mohamed M Ibrahim, Gehan A El-Gaaly, Ahmed S Sultan
Glossostemon bruguieri (moghat) is used as a nutritive and demulcent drink. This study was performed to investigate the antiproliferative effects of moghat root extract (MRE) and its apoptotic mechanism in hepatocellular carcinoma (HCC) cells, HepG2 and Hep3B. MTT assay, morphological changes, apoptosis enzyme linked immunosorbent assay, caspase and apoptotic activation, flow cytometry, and immunoblot analysis were employed. The IC50 of MRE for HepG2 (910 ± 6 μg/ml) and for Hep3B (1510 ± 5 μg/ml) induced significant growth-inhibitory effects against HCC cells, with no cytotoxic effect on normal hepatocytes...
2017: Evidence-based Complementary and Alternative Medicine: ECAM
https://www.readbyqxmd.com/read/28407767/e167k-polymorphism-of-tm6sf2-gene-affects-cell-cycle-of-hepatocellular-carcinoma-cell-hepa-1-6
#20
Shuixian Du, Linlin Lu, Yingxia Miao, Wenwen Jin, Changfei Li, Yongning Xin, Shiying Xuan
BACKGROUND: Some studties reported that the polymorphism of TM6SF2 gene E167K affects the occurrence and the progression of hepatocytes carcinoma (hepatocellular, HCC). In oeder to investigate the effects of the polymorphism of TM6SF2 gene E167K in the pathogenesis of HCC, we explored its influence on the cell cycle in hepatocellular carcinoma cell HEPA1-6. METHODS: HEPA 1-6 cells which could respectively overexpress TM6SF2 wild type and E167K variant were cultured and HEPA 1-6 cells with zero load plasmids were used as matched control...
April 13, 2017: Lipids in Health and Disease
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