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https://www.readbyqxmd.com/read/28276313/inhibition-of-mmp-2-expression-enhances-the-anti-tumor-effect-of-sorafenib-in-hepatocellular-carcinoma-by-suppressing-pi3k-akt-mtor-pathway
#1
Wenliang Tan, Sicong Zhu, Jun Cao, Lei Zhang, Wenda Li, Kairui Liu, Jinyi Zhong, Changzhen Shang, Yajin Chen
Sorafenib has been globally approved as the standard treatment for patients with advanced Hepatocellular carcinoma (HCC). However, the response rate of HCC patients to sorafenib is limited due to tumor recurrence and metastasis. Therefore, seeking combined therapeutic strategies with sorafenib is necessary to improve the anti-tumor efficiency. Here we demonstrated that expression of MMP-2 positively correlated with the migration ability of HCC cells. Cells with higher MMP-2 expression (SK-HEP-1 cells) were less sensitive to sorafenib than those with lower MMP-2 expression (HepG2 cells)...
March 8, 2017: Oncology Research
https://www.readbyqxmd.com/read/28199981/growth-differentiation-factor-15-induces-growth-and-metastasis-of-human-liver-cancer-stem-like-cells-via-akt-gsk-3%C3%AE-%C3%AE-catenin-signaling
#2
Qiong Xu, Hai-Xu Xu, Jin-Ping Li, Song Wang, Zheng Fu, Jing Jia, Li Wang, Zhi-Feng Zhu, Rong Lu, Zhi Yao
Cancer stem cells in liver cancer are thought to be responsible for tumor recurrence and metastasis. However, the factors that mediate this mechanism have yet to be completely elucidated. In this study, we isolated CD13+CD44+ sphere cells (SCs) derived from liver cancer tissues and SK-Hep-1 cells, which possessed cancer stem cell-like properties. Through cytokine array analysis, growth differentiation factor 15 (GDF15) was significantly increased in SCs. Clinical data showed GDF15 was overexpressed in liver cancer tissues and was positively related to pathological grading...
February 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28191864/overexpression-of-nad-p-h-quinone-oxidoreductase-1-inhibits-hepatocellular-carcinoma-cell-proliferation-and-induced-apoptosis-by-activating-ampk-pgc-1%C3%AE-pathway
#3
Xin Zhang, Kun Han, Dong-Hong Yuan, Cun-Ying Meng
Hepatocellular carcinoma (HCC) is the most common lethal malignancy and a leading cause of malignancy-associated death in many countries, but mainly in Asia. Expression of the NAD(P)H:quinone oxidoreductase 1 (NQO1) protein is involved in the growth of various human cancers, including HCC. NQO1 is considered an inhibitor of cancers. The present study aimed to investigate the function and mechanism of NQO1 in HCC. In this study, we found that NQO1 overexpression decreased HCC cell SK-hep-1 and Hep3B cell proliferation and induced apoptosis...
February 13, 2017: DNA and Cell Biology
https://www.readbyqxmd.com/read/28103717/baccharis-trimera-inhibits-reactive-oxygen-species-production-through-pkc-and-down-regulation-p47-phox-phosphorylation-of-nadph-oxidase-in-sk-hep-1-cells
#4
Glaucy Rodrigues de Araújo, Ana Carolina Silveira Rabelo, Janaína Serenato Meira, Joamyr Victor Rossoni-Júnior, William de Castro-Borges, Renata Guerra-Sá, Maurício Azevedo Batista, Denise da Silveira-Lemos, Gustavo Henrique Bianco de Souza, Geraldo Célio Brandão, Míriam Martins Chaves, Daniela Caldeira Costa
Baccharis trimera, popularly known as "carqueja", is a native South-American plant possessing a high concentration of polyphenolic compounds and therefore high antioxidant potential. Despite the antioxidant potential described for B. trimera, there are no reports concerning the signaling pathways involved in this process. So, the aim of the present study was to assess the influence of B. trimera on the modulation of PKC signaling pathway and to characterize the effect of the nicotinamide adenine dinucleotide phosphate oxidase enzyme (NOX) on the generation of reactive oxygen species in SK Hep-1 cells...
February 2017: Experimental Biology and Medicine
https://www.readbyqxmd.com/read/28008721/therapy-of-primary-and-metastatic-liver-cancer-by-human-ips-cell-derived-myeloid-cells-producing-interferon-%C3%AE
#5
Masataka Sakisaka, Miwa Haruta, Yoshihiro Komohara, Satoshi Umemoto, Keiko Matsumura, Tokunori Ikeda, Motohiro Takeya, Yukihiro Inomata, Yasuharu Nishimura, Satoru Senju
BACKGROUND: iPS-ML are myeloid lineage cells with a proliferative capacity derived from induced pluripotent stem (iPS) cells. This study aimed to examine therapeutic effect of iPS-ML producing interferon-β (iPS-ML/IFN-β) towards primary and metastatic liver cancer and investigate the mechanism of that effect. METHODS: We established a xenograft model of liver metastasis by injecting the spleen of SCID mice with MKN-45 human gastric cancer cells and also a primary liver cancer model by injecting SK-HEP-1 human hepatocellular carcinoma cells into the liver...
February 2017: Journal of Hepato-biliary-pancreatic Sciences
https://www.readbyqxmd.com/read/28000898/regorafenib-induces-extrinsic-and-intrinsic-apoptosis-through-inhibition-of-erk-nf-%C3%AE%C2%BAb-activation-in-hepatocellular-carcinoma-cells
#6
Jai-Jen Tsai, Po-Jung Pan, Fei-Ting Hsu
The aim of the present study was to investigate the role of NF-κB inactivation in regorafenib-induced apoptosis in human hepatocellular carcinoma SK-HEP-1 cells. SK-HEP-1 cells were treated with different concentrations of the NF-κB inhibitor 4-N-[2-(4-phenoxyphenyl)ethyl]quinazoline-4,6-diamine (QNZ) or regorafenib for different periods. The effects of QNZ and regorafenib on cell viability, expression of NF-κB-modulated anti-apoptotic proteins and apoptotic pathways were analyzed by the 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) assay, western blotting, DNA gel electrophoresis, flow cytometry and NF-κB reporter gene assay...
February 2017: Oncology Reports
https://www.readbyqxmd.com/read/27989599/lycopene-inhibits-reactive-oxygen-species-production-in-sk-hep-1%C3%A2-cells-and-attenuates-acetaminophen-induced-liver-injury-in-c57bl-6-mice
#7
Ana Carla Balthar Bandeira, Talita Prato da Silva, Glaucy Rodrigues de Araujo, Carolina Morais Araujo, Rafaella Cecília da Silva, Wanderson Geraldo Lima, Frank Silva Bezerra, Daniela Caldeira Costa
Our aim was to investigate the antioxidant potential of lycopene in different experimental liver models: in vitro, to evaluate the influence of lycopene on reactive oxygen species (ROS) production mediated by the PKC pathway and in vivo, to evaluate the protective effects of lycopene in an experimental model of hepatotoxicity. The in vitro study assessed the lycopene antioxidant potential by the quantification of ROS production in SK-Hep-1 cells unstimulated or stimulated by an activator of the PKC pathway...
February 1, 2017: Chemico-biological Interactions
https://www.readbyqxmd.com/read/27941649/extract-of-monascus-purpureus-cwt715-fermented-from-sorghum-liquor-biowaste-inhibits-migration-and-invasion-of-sk-hep-1-human-hepatocarcinoma-cells
#8
Wen-Teish Chang, Cheng-Hung Chuang, Wan-Ju Lee, Chin-Shiu Huang
Liver cancer is the most endemic cancer in a large region of the world. This study investigated the anti-metastatic effects of an extract of Monascus purpureus CWT715 (MP) fermented from sorghum liquor biowaste and its mechanisms of action in highly metastatic human hepatocarcinoma SK-Hep-1 cells. Kinmen sorghum liquor waste was used as the primary nutrient source to produce metabolites (including pigments) of MP. In the presence of 10 µg/mL MP-fermented broth (MFB), the anti-invasive activity increased with increasing fermentation time reaching a maximum at six days of fermentation...
December 8, 2016: Molecules: a Journal of Synthetic Chemistry and Natural Product Chemistry
https://www.readbyqxmd.com/read/27914985/combination-therapy-with-doxorubicin-loaded-galactosylated-poly-ethyleneglycol-lithocholic-acid-to-suppress-the-tumor-growth-in-an-orthotopic-mouse-model-of-liver-cancer
#9
Bijay Singh, Yoonjeong Jang, Sushila Maharjan, Hyeon-Jeong Kim, Ah Young Lee, Sanghwa Kim, Nomundelger Gankhuyag, Myeon-Sik Yang, Yun-Jaie Choi, Myung-Haing Cho, Chong-Su Cho
Despite advances in technology, neither conventional anti-cancer drugs nor current nanoparticle (NP) drugs have gained substantial success in cancer treatment. While conventional chemotherapy drugs have several limitations such as low potency, poor in vivo stability and limited bioavailability, non-specific targeting of NP drugs diminishes their potency at actual target sites. In addition, the development of drug resistance to anti-cancer drugs is another challenging problem. To overcome these limitations, we aimed to develop a polymer-drug conjugate, which functions as an active NP drug and drug carrier both, to deliver a chemotherapeutic drug for combination therapy...
February 2017: Biomaterials
https://www.readbyqxmd.com/read/27895800/a-novel-curcumin-analogue-is-a-potent-chemotherapy-candidate-for-human-hepatocellular-carcinoma
#10
Ji-An Zhao, Mei-Xiang Sang, Cui-Zhi Geng, Shi-Jie Wang, Bao-En Shan
Curcumin (CUR) has been demonstrated to protect against carcinogenesis and to prevent tumor development in cancer; however, the clinical application of CUR is limited by its instability and poor metabolic properties. The present study offers an strategy for a novel CUR analogue, (1E,4E)-1,5-bis(2-bromophenyl)penta-1,4-dien-3-one (GL63), to be used as a potential therapeutic agent for hepatocellular carcinoma (HCC) in vitro and in vivo. The current study demonstrated that GL63 exhibited more potent inhibition of proliferation of HCC cells than CUR...
November 2016: Oncology Letters
https://www.readbyqxmd.com/read/27785478/outcome-of-intensive-outpatient-rehabilitation-and-bracing-in-an-adult-patient-with-scheuermann-s-disease-evaluated-by-radiologic-imaging-a-case-report
#11
Hagit Berdishevsky
BACKGROUND: No studies examine the efficacy of intensive specific physical therapy (PT) exercises along with brace for the adult with Scheuermann's kyphosis (SK). The aim of this study was to examine the effects of intensive PT based on the Barcelona Scoliosis Physical Therapy School (BSPTS) and SpinoMed brace on a 76-year-old female with SK. CASE DESCRIPTION: A 76-year-old female, diagnosed with SK as an adolescent, presented in October 2014 with thoracic hyperkyphosis T1 to T12 Cobb angle of 85° and lumbar hyper lordosis L1 to L5 Cobb angle of 70°...
2016: Scoliosis and Spinal Disorders
https://www.readbyqxmd.com/read/27770311/up-regulation-of-small-nucleolar-rna-78-is-correlated-with-aggressive-phenotype-and-poor-prognosis-of-hepatocellular-carcinoma
#12
Pei Ma, Haitao Wang, Lu Han, Wei Jing, Xin Zhou, Zhisu Liu
Small nucleolar RNAs (snoRNAs) as a novel molecular species may have significant and comprehensive influences on the development and progression of hepatocellular carcinoma (HCC). We recently characterized snoRNA transcriptome signatures in HCC tissues by small RNA sequencing and found that small nucleolar RNA 78 (SNORD78) was associated with HCC. However, little is known about the pathological role of SNORD78 in HCC patients. This study aimed to profile SNORD78 expression signature and then to explore the pathogenesis of SNORD78 in HCC...
October 21, 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/27765853/ascochlorin-enhances-the-sensitivity-of-doxorubicin-leading-to-the-reversal-of-epithelial-to-mesenchymal-transition-in-hepatocellular-carcinoma
#13
Xiaoyun Dai, Kwang Seok Ahn, Ling Zhi Wang, Chulwon Kim, Amudha Deivasigamni, Frank Arfuso, Jae-Young Um, Alan Prem Kumar, Young-Chae Chang, Dhiraj Kumar, Gopal C Kundu, Junji Magae, Boon Cher Goh, Kam Man Hui, Gautam Sethi
Increasing evidence has indicated that epithelial-to-mesenchymal transition (EMT) at the advanced stage of liver cancer not only has the ability to self-renew and progress cancer, but also enables greater resistance to conventional chemo- and radiotherapies. Here, we report that ascochlorin (ASC), an isoprenoid antibiotic, could potentiate the cytotoxic effect of doxorubicin on HCCLM3, SNU387, SNU49, and SK-Hep-1 hepatocellular carcinoma cells, which had a predominantly mesenchymal signature with low expression of E-cadherin but high expression of N-cadherin...
December 2016: Molecular Cancer Therapeutics
https://www.readbyqxmd.com/read/27765630/long-non-coding-rna-linc-cdh4-2-inhibits-the-migration-and-invasion-of-hcc-cells-by-targeting-r-cadherin-pathway
#14
Yunzhen Gao, Gaoxiong Wang, Cuilin Zhang, Minjie Lin, Xiaolong Liu, Yongyi Zeng, Jingfeng Liu
Long non-coding RNAs (LncRNAs) have played very important roles in the malignancy behaviors of hepatocellular carcinoma (HCC). Linc-cdh4-2 (TCONS_00027978) is a novel LncRNA that has been identified in HCC tissues from our previous study. Overexpression of linc-cdh4-2 in HCC cell lines (SK-Hep-1 and Huh7) significantly decreases the migration and invasion abilities of these cells, while knockdown the expression of linc-cdh4-2 significantly increases the migration and invasion abilities. Interestingly, neither the over expression nor the knock down of linc-cdh4-2 could affect the viability and proliferation of HCC cells...
October 17, 2016: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/27705003/steroid-glycosides-from-the-starfish-pentaceraster-gracilis
#15
Le Thi Vien, Bui Thi Ngoan, Tran Thi Hong Hanh, Le Ba Vinh, Do Cong Thung, Do Thi Thao, Nguyen Van Thanh, Nguyen Xuan Cuong, Nguyen Hoai Nam, Phan Van Kiem, Chau Van Minh
Using combined chromatographic separations, two new steroid glycosides namely pentacerosides A (1) and B (2), and four known compounds were isolated from the methanol extract of the starfish Pentaceraster gracilis. Their structures were determined on the basis of spectroscopic data ((1)H and (13)C NMR, HSQC, HMBC, (1)H-(1)H COSY, ROESY, and FT-ICR-MS) and by comparing obtained results to the literature values. Among the isolated compounds, only maculatoside (5) showed significant cytotoxic effect against Hep-G2 (IC50 = 16...
October 5, 2016: Journal of Asian Natural Products Research
https://www.readbyqxmd.com/read/27698264/antitumor-activity-of-the-chinese-medicine-jc-001-is-mediated-by-immunomodulation-in-a-murine-model-of-hepatocellular-carcinoma
#16
Meng-Hsien Chuang, Jinghua Tsai Chang, Li-Jin Hsu, Ming-Shiou Jan, Fung-Jou Lu
JC-001 is a Chinese medicine that has been used to treat liver disease; however, its significance in cancer treatment has not been characterized. In this study, we used an immunocompetent tumor model to characterize the antitumor activity of JC-001. A total of 48 Hepa 1-6 tumor-bearing C57BL/6 mice were randomly grouped into 4 groups and treated with H2O or JC-001 via oral administration. After hepatoma cell lines, including HepG2, Hep3B, SK-Hep-1, and Hepa 1-6, underwent 96 hours of JC-001 treatment, a low cytotoxic effect was observed...
October 3, 2016: Integrative Cancer Therapies
https://www.readbyqxmd.com/read/27690627/one-new-flavanocoumarin-from-the-thorns-of-gleditsia-sinensis
#17
Jinqian Yu, Yunxia Xian, Gang Li, Daijie Wang, Honglei Zhou, Xiao Wang
One new flavanocoumarin (1), as well as six known flavonoids (2-7), was isolated from the ethyl acetate extract of the thorns of Gleditsia sinensis. The structures of these compounds were elucidated by extensive spectroscopic measurements and comparison with data reported in literatures. Cytotoxic activities of compounds 1-6 were evaluated against human liver cancer SK-hep-1 cells in vitro by the MTT method, with compound 1 displaying moderate activity (IC50 of 62.53 μM). Furthermore, compound 1 could increase the number of apoptosis cells in a concentration-dependent manner...
February 2017: Natural Product Research
https://www.readbyqxmd.com/read/27687210/lack-of-mitochondrial-dna-impairs-chemical-hypoxia-induced-autophagy-in-liver-tumor-cells-through-ros-ampk-ulk1-signaling-dysregulation-independently-of-hif-1%C3%AE
#18
Jose J G Marin, Elisa Lozano, Maria J Perez
Alterations in mitochondrial DNA (mtDNA) and autophagy activation are common events in tumors. Here we have investigated the effect of mitochondrial genome depletion on chemical hypoxia-induced autophagy in liver tumor cells. Human SK-Hep-1 wild-type and mtDNA-depleted (Rho) cells were exposed to the hypoxia mimetic agents CoCl2 and deferoxamine (DFO). Up-regulation of HIF-1α, but not HIF-2α was observed. The expression of several HIF-1α target genes was also found. In human SK-Hep-1 and mouse Hepa 1-6 liver tumor cells, but not in the counterpart Rho derived lines, chemical hypoxia increased the abundance of autophagosomes and autolysosomes...
December 2016: Free Radical Biology & Medicine
https://www.readbyqxmd.com/read/27660672/inhibition-of-apoptosis-by-oncogenic-hepatitis-b-virus-x-protein-implications-for-the-treatment-of-hepatocellular-carcinoma
#19
REVIEW
Chuck C K Chao
Hepatitis B virus X protein (HBx) plays an important role in the development of hepatocellular carcinoma (HCC). In addition, hepatoma upregulated protein (HURP) is a cellular oncogene that is upregulated in a majority of HCC cases. We highlight here recent findings demonstrating a link between HBx, HURP and anti-apoptosis effects observed in cisplatin-treated HCC cells. We observed that Hep3B cells overexpressing HBx display increased HURP mRNA and protein levels, and show resistance to cisplatin-induced apoptosis...
September 8, 2016: World Journal of Hepatology
https://www.readbyqxmd.com/read/27536098/size-dependent-cytotoxicity-of-fe3o4-nanoparticles-induced-by-biphasic-regulation-of-oxidative-stress-in-different-human-hepatoma-cells
#20
Yuexia Xie, Dejun Liu, Chenlei Cai, Xiaojing Chen, Yan Zhou, Liangliang Wu, Yongwei Sun, Huili Dai, Xianming Kong, Peifeng Liu
The application of Fe3O4 nanoparticles (NPs) has made great progress in the diagnosis of disease and in the drug delivery system for cancer therapy, but the relative mechanisms of potential toxicity induced by Fe3O4 have not kept pace with its development in the application, which has hampered its further clinical application. In this article, we used two kinds of human hepatoma cell lines, SK-Hep-1 and Hep3B, to investigate the cytotoxic effects and the involved mechanisms of small Fe3O4 NPs with different diameters (6 nm, 9 nm, and 14 nm)...
2016: International Journal of Nanomedicine
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