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HCC and p21

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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
#1
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
#2
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
#3
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
#4
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
#5
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
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
https://www.readbyqxmd.com/read/28382142/protein-regulator-of-cytokinesis-prc1-confers-chemoresistance-and-predicts-an-unfavorable-postoperative-survival-of-hepatocellular-carcinoma-patients
#13
Yu Wang, Feng Shi, Guo-Hui Xing, Ping Xie, Na Zhao, Yu-Feng Yin, Shu-Yan Sun, Jing He, Ying Wang, Shi-Ying Xuan
Background: PRC1, a microtubules(MTs)-associated protein, is essential in the mitosis and cell cycle regulation. It has been recently linked to chemoresistance and tumorigenesis. The current study sought to explore the role of PRC1 on chemoresistance and postoperative prognosis of hepatocellular carcinoma(HCC). Methods: PRC1 was transfected into HCC cells to detect its effects of chemoresistance to 5-fluorouracil in vitro and in vivo. This study also investigated the impact of PRC1 on 5-FU-induced G2/M phase arrest and the potential molecular mechanism...
2017: Journal of Cancer
https://www.readbyqxmd.com/read/28373419/antitumor-activities-of-the-novel-isosteviol-derivative-10c-against-liver-cancer
#14
Ahmed Malki, Ahmed El-Sharkawy, Mohamed El Syaed, Stephen Bergmeier
BACKGROUND/AIM: Hepatocellular carcinoma (HCC) is the most common type of liver cancer and the fifth most common primary malignancy with worldwide increasing incidence. The current study aimed to investigate the anticancer activities of novel isosteviol derivatives towards human HepG2 hepatocellular cancer cells and in an animal model of hepatocellular carcinoma. MATERIALS AND METHODS: Twelve isosteviol derivatives were screened for their anti-proliferative activities against HepG2 and IC50 was calculated for all designed derivatives...
April 2017: Anticancer Research
https://www.readbyqxmd.com/read/28368741/molecular-targeting-of-vegf-vegfr-signaling-by-the-anti-vegf-monoclonal-antibody-bd0801-inhibits-the-growth-and-induces-apoptosis-of-human-hepatocellular-carcinoma-cells-in-vitro-and-in-vivo
#15
Lin Liu, Shukui Qin, Yinghui Zheng, Li Han, Minmin Zhang, Nuo Luo, Zhengcao Liu, Ning Gu, Xiaoyi Gu, Xiaojin Yin
Hepatocellular carcinoma (HCC) is the third-leading cause of cancer-related deaths with 750,000 newly diagnosed cases each year. Surgery, radiotherapy, and chemotherapy constitute the main treatment modalities for HCC, but liver cirrhosis and damage often occur. Molecular targeted drugs have been recently developed to treat HCC. Vascular endothelial growth factor (VEGF)/VEGF receptor (VEGFR) autocrine signaling is closely related to the growth, progression, and metastasis of HCC, making the VEGF/VEGFR axis an ideal target for the development of molecular targeted agents...
March 4, 2017: Cancer Biology & Therapy
https://www.readbyqxmd.com/read/28351032/baicalein-a-natural-anti-cancer-compound-alters-microrna-expression-profiles-in-bel-7402-human-hepatocellular-carcinoma-cells
#16
Beibei Bie, Jin Sun, Jun Li, Ying Guo, Wei Jiang, Chen Huang, Jun Yang, Zongfang Li
BACKGROUND/AIMS: Baicalein has been shown to possess significant anti-hepatoma activity by inhibiting cell proliferation. Whether the anti-proliferative effect of baicalein is related to its modulation of miRNA expression in hepatocellular carcinoma (HCC) is still unknown. METHODS: The anti-proliferative effects of baicalein on HCC cell line Bel-7402 was assessed by detecting the proliferation activity, cell cycle distribution, expression changes of p21/CDKN1A, P27/CDKN1B, total Akt and phosphoryted AKT...
2017: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/28292020/long-non-coding-rna-hnf1a-as1-promotes-hepatocellular-carcinoma-cell-proliferation-by-repressing-nkd1-and-p21-expression
#17
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...
May 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
#18
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
#19
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
#20
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
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