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Jun Chen, Jian-Yong Zhuo, Fan Yang, Zhi-Kun Liu, Lin Zhou, Hai-Yang Xie, Xiao Xu, Shu-Sen Zheng
BACKGROUND: Our previous study showed that 17-beta-hydroxysteroid dehydrogenase 13 (HSD17B13) is down-regulated in hepatocellular carcinoma (HCC). But its function in HCC remains unknown. This study aimed to reveal the function of HSD17B13 and its clinical significance in HCC. METHODS: mRNA levels of HSD17B13 were analyzed in cohort 1 (30 normal, 30 HBV cirrhosis, 60 HBV-related HCC and 60 peritumoral tissue) by real-time PCR. HSD17B13 protein was evaluated in cohort 2 (15 normal, 33 HBV-cirrhosis, 12 dysplastic nodules, 34 HBV-related HCC, and 9 metastatic HCC) using immunohistochemistry...
April 22, 2018: Hepatobiliary & Pancreatic Diseases International: HBPD INT
Qi Xia, Zikang Chen, Zhiqiang Yu, Lei Wang, Jinqing Qu, Ruiyuan Liu
Effective long-term monitoring of tumor growth is significant for the evaluation of cancer therapy. AIE active NIR fluorescent organic nanoparticles (TPFE-Rho dots) are designed and synthesized for long-term in vitro cell tracking and in vivo monitoring of tumor growth. TPTE-Rho dots display the advantages of NIR fluorescent emission, large Stokes shift (~180 nm), good biocompatibility, and high photostability. In vitro cell tracing studies demonstrate that TPFE-Rho dots can track SK-Hep-1 cells over 11 generations...
May 2, 2018: ACS Applied Materials & Interfaces
Lin-Yang Cheng, Chun-Lin Chen, Yueh-Hsiung Kuo, Tsung-Hsien Chang, I-Wei Lin, Shih-Wei Wang, Mei-Ing Chung, Jih-Jung Chen
A new polyprenylated polycyclic acylphloroglucinol, garcimultiflorone K (1), has been isolated from the stems of Garcinia multiflora, together with two known compounds, garcimultiflorone A (2) and garcimultiflorone B (3). The structure of new compound 1 was determined through spectroscopic methods including 1D and 2D NMR and MS analyses. The anti-angiogenic and anti-cancer effects of compounds 1-3 were evaluated in human endothelial progenitor cells (EPCs) and cancer cells. Of these, garcimultiflorone K (1) displayed the most potent anti-angiogenic property by suppressing cell growth and tube formation of EPCs...
April 6, 2018: Bioorganic & Medicinal Chemistry Letters
Wejdan Al-Shakarchi, Ali Alsuraifi, Mohammed Abed, Marwan Abdullah, Alan Richardson, Anthony Curtis, Clare Hoskins
Hepatocellular carcinoma is an aggressive form of liver cancer that displays minimal symptoms until its late stages. Unfortunately, patient prognosis still remains poor with only 10% of patients surviving more than five years after diagnosis. Current chemotherapies alone are not offering efficient treatment, hence alternative therapeutic approaches are urgently required. In this work, we highlight the potential of combination of treatment of hepatocellular carcinoma with existing chemotherapies in combination with pro-apoptotic factor cytochrome C...
April 12, 2018: Pharmaceutics
Ai-Lin Yang, Tian-Ji Xia, Ya-Nan Zhao, Jia-Yin Song, Hao-Ran Shen, Zi-Hui Xu, Peng-Fei Tu, Zhong-Dong Hu
The purpose of this study was to investigate the effect of Huaier on autophagy of human hepatoma SK-HEP-1 cells and the effect of autophagy on the proliferation of SK-HEP-1 cells. CCK-8 assay was used to evaluate the effect of Huaier on the proliferation of SK-HEP-1 cells under different concentrations and different times. Acridine orange staining was used to measure the effect of Huaier on the autolysosome formation in SK-HEP-1 cells. Immunofluorescence assay was applied to examine the effect of Huaier on the expression and distribution of autophagy marker LC3 in SK-HEP-1 cells...
February 2018: Zhongguo Zhong Yao za Zhi, Zhongguo Zhongyao Zazhi, China Journal of Chinese Materia Medica
Li-Ching Lin, Chi-Fen Chen, Chun-Te Ho, Jun-Jen Liu, Tsan-Zon Liu, Chi-Liang Chern
AIMS: This study uncovered that the genetically endowed intracellular glutathione contents (iGSH) regulated by the catalytic subunit of γ‑glutamylcysteine synthetase heavy chain (γ‑GCSh) as a prime target for overcoming both the inherited and stimuli-activated chemo- and radio-resistance of hepatocellular carcinoma (HCC) cells. MAIN METHODS: Reactive oxygen species (ROS) production and mitochondrial membrane potential (Δψm) were determined by the probe-based flow cytometry...
April 1, 2018: Life Sciences
Zhao Wang, Ting Luo, Amin Cao, Jingjing Sun, Lin Jia, Ruilong Sheng
In this study, a series of diblock glycopolymers, poly(6- O -methacryloyl-d-galactopyranose)- b -poly(6-cholesteryloxyhexyl methacrylate) (PMAgala- b -PMAChols), with cholesterol/galactose grafts were prepared through a sequential reversible addition-fragmentation chain transfer (RAFT) polymerization and deprotection process. The glycopolymers could self-assemble into aggregates with various morphologies depending on cholesterol/galactose-containing block weight ratios, as determined by transmission electronic microscopy (TEM) and dynamic laser light scattering (DLS)...
February 28, 2018: Nanomaterials
Ming-Hsien Chien, Yung-Chuan Ho, Shun-Fa Yang, Yi-Chieh Yang, Szu-Yu Lai, Wan-Shen Chen, Ming-Jenn Chen, Chao-Bin Yeh
Hepatocellular carcinoma (HCC) is one of the most common malignancies in the world, especially, in eastern Asia, and its prognosis is poor once metastasis occurs. Niclosamide, a US Food and Drug Administration-approved antihelmintic drug, was shown to inhibit the growth of various cancers including HCC, but the effect of niclosamide on cell motility and the underlying mechanism have not yet been completely defined. The present study demonstrated that niclosamide, at 0-40 nM, concentration-dependently inhibited wound closure and the migratory/invasive capacities of human Huh7 and SK-Hep-1 HCC cells without exhibiting cytotoxicity...
June 2018: Environmental Toxicology
Jingcheng Wang, Tian Yang, Hui Chen, Hui Li, Shusen Zheng
As the sixth most prevalent cancer, hepatocellular carcinoma (HCC) is the third leading cause of cancer-related deaths worldwide. Human replication protein A (RPA), a three-subunit protein, plays a central role in eukaryotic DNA replication, homologous recombination, and excision repair, including RPA1, RPA2 and RPA3. Recently, some studies focusing on the relation between RPA1 and carcinogenesis have demonstrated that RPA1 is a candidate oncogene and influences tumor biological behaviors in many cancers such as esophageal carcinoma, colon cancer, urothelial carcinomas, etc...
April 6, 2018: Biochemical and Biophysical Research Communications
Yan-Hua Fan, Huai-Wei Ding, Dan-Dan Liu, Hong-Rui Song, Yong-Nan Xu, Jian Wang
Phosphatidylinositol 3-kinase (PI3K) signaling pathway has diverse functions, including the regulation of cellular survival, proliferation, cell cycle, migration, angiogenesis and apoptosis. Among class I PI3Ks (PI3Kα, β, γ, δ), the PIK3CA gene encoding PI3K p110α is frequently mutated and overexpressed in a large portion of human cancers. Therefore, the inhibition of PI3Kα has been considered as a promising target for the development of a therapeutic treatment of cancer. In this study, we designed and synthesized a series of 4-aminoquinazoline derivatives and evaluated their antiproliferative activities against six cancer cell lines, including HCT-116, SK-HEP-1, MDA-MB-231, SNU638, A549 and MCF-7...
May 1, 2018: Bioorganic & Medicinal Chemistry
Mitsuo Nishiyama, Ryouichi Tsunedomi, Kiyoshi Yoshimura, Noriaki Hashimoto, Satoshi Matsukuma, Hiroyuki Ogihara, Shinsuke Kanekiyo, Michihisa Iida, Kazuhiko Sakamoto, Nobuaki Suzuki, Shigeru Takeda, Shigeru Yamamoto, Shigefumi Yoshino, Tomio Ueno, Yoshihiko Hamamoto, Shoichi Hazama, Hiroaki Nagano
Cancer stem cells (CSCs) are thought to play important roles in cancer malignancy. Previously, we successfully induced sphere cancer stem-like cells (CSLCs) from several cell lines and observed the property of chemoresistance. In the present study, we examined the metastatic potential of these induced CSLCs. Sphere cancer stem-like cells were induced from a human hepatoma cell line (SK-HEP-1) in a unique medium containing neural survival factor-1. Splenic injection of cells into immune-deficient mice was used to assess hematogenous liver metastasis...
April 2018: Cancer Science
Santiago Gómez-Ruiz, Alberto García-Peñas, Sanjiv Prashar, Antonio Rodríguez-Diéguez, Eva Fischer-Fodor
A series of cytotoxic titanocene derivatives have been immobilized onto nanostructured silica-based materials using two different synthetic routes, namely, (i) a simple grafting protocol via protonolysis of the Ti-Cl bond; and (ii) a tethering method by elimination of ethanol using triethoxysilyl moieties of thiolato ligands attached to titanium. The resulting nanostructured systems have been characterized by different techniques such as XRD, XRF, DR-UV, BET, SEM, and TEM, observing the incorporation of the titanocene derivatives onto the nanostructured silica and slight changes in the textural features of the materials after functionalization with the metallodrugs...
January 31, 2018: Materials
Yi Zhang, Yangchao Wei, Xuan Li, Xingsi Liang, Liming Wang, Jun Song, Xiuzhong Zhang, Chong Zhang, Jian Niu, Pengbo Zhang, Zeqiang Ren, Bo Tang
The δ opioid receptor (DOR) is involved in the regulation of malignant transformation and tumor progression of hepatocellular carcinoma (HCC). However, regulation of the DOR in HCC remains poorly defined. We found that miR-874 was identified as a negative regulator of the DOR, which is a direct and functional target of miR-874 via its 3' untranslated region (UTR). Moreover, miR-874 was downregulated in HCC and its expression was inversely correlated with DOR expression. Downregulation of miR-874 was also associated with larger tumor size, more vascular invasion, a poor TNM stage, poor tumor differentiation, and inferior patient outcomes...
January 26, 2018: Cell Death & Disease
Shengni Hua, Chengdong Liu, Li Liu, Dehua Wu
Cancer cells are addictively dependent on glycolysis even in an oxygen-rich condition. However, the mechanism underlying micro (mi)RNA regulation of aerobic glycolysis in cancer cells has not been fully understood. Here, we demonstrated that the expression of miR-142-3p was lower in hepatocellular carcinoma (HCC) as compared to adjacent non-tumor samples, which was confirmed in The Cancer Genome Atlas (TCGA) HCC cohorts and Gene Expression Omnibus (GEO) datasets. Function and pathway analysis showed that miR-142-3p was most relevent with metabolism...
February 12, 2018: Biochemical and Biophysical Research Communications
Zhijun Liao, Xinrui Wang, Xiaojiang Wang, Lisheng Li, Dexin Lin
DEP Domain Containing 7 (DEPDC7) is highly and specifically expressed in normal liver tissue, belonging to the class of genes of liver-selective cell communication. Although the function of DEPDC7 remains poorly understood, its expression is decreased in liver cancer compared with normal liver tissues. It has previously been demonstrated that knockdown of DEPDC7 promotes cell growth, S phase entry and cell mobility and invasion in HepG2 cells. In the present study, it was shown that DEPDC7 expression is downregulated in four hepatoma cell lines (SMMC-7721, Huh-7, SK-Hep-1 and HepG2) and 48 hepatoma tissues, determined using western blot and immunohistochemical analysis...
December 2017: Oncology Letters
Xueqing Kang, Feng Wang, Xiuwan Lan, Xiaolong Li, Shunxin Zheng, Zhilue Lv, Yuan Zhuang, Yongxiang Zhao, Sufang Zhou
Objective: Hepatocellular carcinoma (HCC) is one of the most common malignant tumors with a high rate of mortality. Our previous study shows the expression of calponin 2 (CNN2) is up-regulated in hepatocellular carcinoma tissues, especially in metastatic ones. To better understand the role of CNN2 in HCC, RNA interference (RNAi) was used to explore its role in tumor growth and metastasis. Methods: Lentivirus-mediated CNN2-shRNA was transfected into SK-hep-1 cells, and the efficacy of CNN2 expression, cell migration, invasion, proliferation and cell cycles were evaluated by quantitative real-time polymerase chain reaction (qRT-PCR), Western blot (WB), Transwell assay, methyl thiazol tetrazolium assay and flow cytometry, respectively...
2018: International Journal of Medical Sciences
Shu-Lin Zhang, Zi-Ni Yang, Cui He, Hai-Bing Liao, Heng-Shan Wang, Zhen-Feng Chen, Dong Liang
Six previously undescribed oleanane-type triterpenoid saponins, fortunosides A-F, together with six known ones, were isolated from the aerial parts of Lysimachia fortunei Maxim. Their structures were established by spectroscopic data analyses (1D, 2D-NMR and HRESIMS) and chemical methods. All isolated triterpenoid saponins were evaluated for their cytotoxicity against four human liver cancer cell lines (SMMC-7721, Hep3B, HuH7, and SK-Hep-1). Three saponins with the aglycone protoprimulagenin A exhibited moderate cytotoxicity against all of the tested human cancer cell lines, with IC50 values ranging from 4...
March 2018: Phytochemistry
Camila Cristina Fraga Faraco, Jerusa Araújo Quintão Arantes Faria, Marianna Kunrath-Lima, Marcelo Coutinho de Miranda, Mariane Izabella Abreu de Melo, Andrea da Fonseca Ferreira, Michele Angela Rodrigues, Dawidson Assis Gomes
Nuclear Epidermal Growth Factor Receptor (EGFR) has been associated with worse prognosis and treatment resistance for several cancer types. After Epidermal Growth Factor (EGF) binding, the ligand-receptor complex can translocate to the nucleus where it functions in oncological processes. By three-dimensional quantification analysis of super-resolution microscopy images, we verified the translocation kinetics of fluorescent conjugated EGF to the nucleus in two mesenchymal cell types: human adipose tissue-derived stem cells (hASC) and SK-HEP-1 tumor cells...
April 2018: Journal of Structural Biology
Ketao Zhang, Siyao Che, Zheng Su, Shangyou Zheng, Huayao Zhang, Shanglin Yang, Wenda Li, Jianping Liu
Cluster of differentiation (CD)90 (Thy‑1) was proposed as a marker for the liver cancer stem cells that are responsible for tumorigenic activity, however its involvement in the progression of hepatocellular carcinoma (HCC) remains unknown. The aim of the present study was to determine the effect of CD90 on the biological functions of HCC and to investigate the associated circular RNA (circRNA) involved in this process. The analysis of the in vitro data demonstrated that CD90+ cells isolated from SK‑Hep‑1 cells exhibited increased viability, migration and invasive abilities compared with CD90‑ cells...
February 2018: International Journal of Molecular Medicine
Rao-Chi Chien, Yu-Chieh Lin, Jeng-Leun Mau
Because of the high incidence of and high mortality rates associated with cancer, effective therapy for cancer is currently an imperative issue. Taiwanofungus salmoneus, a medicinal mushroom indigenous to Taiwan, has been demonstrated to exhibit various physiological activities and harmless effects. The bioactive compounds and anticancer abilities of T. salmoneus mycelia and fermented products were evaluated in this study. Total phenols, flavonoids, and ergothioneine were detected in mycelia and fermented products, and the amount of ergothioneine was evaluated in buckwheat (56...
2017: International Journal of Medicinal Mushrooms
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