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American Journal of Cancer Research

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https://www.readbyqxmd.com/read/28042511/physcion-induces-apoptosis-in-hepatocellular-carcinoma-by-modulating-mir-370
#1
Xiaoping Pan, Haixia Wang, Dongmeng Tong, Chen Wang, Li Sun, Chunjuan Zhao, Yan Li, Lida Zhu, Di Wu
Hepatocellular carcinoma (HCC) is one of the most common and aggressive malignancies. The current study is designed to explore the role of physcion, a major active ingredient in several traditional herbal medicinal plants, for the treatment of HCC. HCC cell lines, SMMC7721 and HepG2, were treated with physcion and its apoptosis-inducing effect was examined. Both in vitro and in vivo results from the present study demonstrated that physcion treatment resulted in apoptotic cell death in HCC cells via upregulation of miR-370...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042510/molecular-characterization-of-paediatric-glioneuronal-tumours-with-neuropil-like-islands-a-genome-wide-copy-number-analysis
#2
Laura Giunti, Anna Maria Buccoliero, Marilena Pantaleo, Maurizio Lucchesi, Aldesia Provenzano, Viviana Palazzo, Silvia Guarducci, Milena Guidi, Lorenzo Genitori, Orsetta Zuffardi, Iacopo Sardi, Sabrina Giglio
Paediatric glioneuronal tumour with neuropil-like islands (GTNI) is a rare neoplasm of neuronal differentiation and diffusely infiltrating astroglial and oligodendrocyte-like components. The 2007 World Health Organization classification of central nervous system tumours considered it as a pattern variation of anaplastic astrocytoma. There are few data on paediatric GTNI probably both for their rarity and variable clinical aggressiveness. We studied by SNP/CGH array four tumour samples of GTNI from two males and two females (one new-born and three children aged from 4 to 8 years), in order to identify any possible common genomic alteration...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042509/ubiquitin-specific-protease-11-usp11-functions-as-a-tumor-suppressor-through-deubiquitinating-and-stabilizing-vgll4-protein
#3
Encheng Zhang, Bing Shen, Xingyu Mu, Yan Qin, Fang Zhang, Yong Liu, Jiantao Xiao, Pingzhao Zhang, Chenji Wang, Mingyue Tan, Yu Fan
VGLL4 is a transcriptional repressor that interacts with transcription factors TEADs and inhibits YAP-induced overgrowth and tumorigenesis. VGLL4 protein was dramatically reduced in various types of human cancers. But how VGLL4 protein is post-transcriptional regulated is poorly understood. In this study, we identify deubiquitinating enzyme USP11 as a novel VGLL4 interactor. We reveal that the USP domain of USP11 and the N-terminal region of VGLL4 are required for mutual binding. USP11 controls VGLL4 protein stability by promoting its deubiquitination...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042508/usefulness-of-dynamic-contrast-enhanced-magnetic-resonance-imaging-for-predicting-treatment-response-to-vinorelbine-cisplatin-with-or-without-recombinant-human-endostatin-in-bone-metastasis-of-non-small-cell-lung-cancer
#4
Rui Zhang, Zhi-Yu Wang, Yue-Hua Li, Yao-Hong Lu, Shuai Wang, Wen-Xi Yu, Hui Zhao
Metastatic bone disease is a frequent complication of advanced non-small cell lung cancer (NSCLC) and causes skeletal-related events, which result in a poor prognosis. Currently, no standard method has been developed to precisely assess the therapeutic response of bone metastases (BM) and the early efficacy of anti-angiogenic therapy, which does not conform to the concept of precision medicine. This study aimed to investigate the usefulness of dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) for precise evaluation of the response to chemotherapy with anti-angiogenic agents in NSCLC patients with BM...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042507/microrna-497-suppresses-cell-proliferation-and-induces-apoptosis-through-targeting-pbx3-in-human-multiple-myeloma
#5
Tianhua Yu, Xuanhe Zhang, Lirong Zhang, Yali Wang, Hongjuan Pan, Zhihua Xu, Xiaochuan Pang
Aberrant expression of microRNA-497 (miRN-497) is implicated in development and progression of multiple types of cancers. However, the biological function and underlying mechanism of miR-497 in multiple myeloma (MM) remains unclear. Thus, we studied the potential biological roles of miR-497 in MM. The expression of miR-497 was examined in multiple myeloma and normal plasma cells by qRT-PCR. Biological functions of miR-497 were analyzed using cell proliferation, colony formation, cell cycle, apoptosis and luciferase assays in vitro, as well as via tumorigenicity in vivo analysis...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042506/microrna-613-suppresses-proliferation-migration-and-invasion-of-osteosarcoma-by-targeting-c-met
#6
Xinyu Li, Xufang Sun, Jing Wu, Zhihong Li
MicroRNA-613 (miR-613) has been reported to play an important role in the pathogenesis of multiple cancers by negatively regulating gene expression at posttranscriptional level. However, the biological role of miR-613 in osteosarcoma (OS) remained unclear. In this study, we aimed to determine the expression and biological roles of miR-613 in OS. We found that miR-613 was significantly downregulated in OS tissues and cell lines, and that decreased miR-613 expression was correlated negatively with advanced TNM stage and lymph node metastasis...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042505/microrna-187-exerts-tumor-suppressing-functions-in-osteosarcoma-by-targeting-zeb2
#7
Dan Fei, Kunchi Zhao, Hongping Yuan, Jie Xing, Dongxu Zhao
MicroRNA-187 (miR-187) has been reported to be involved in the occurrence and development of several types of cancers; however, a role for miR-187 in osteosarcoma (OS) has not yet been reported. Here, miR-187 was found to be significantly downregulated in OS cell lines and tissue samples, and decreased miR-187 expression was shown to be correlated closely with the TNM stage and lymph node metastasis. miR-187 overexpression suppressed OS cell proliferation, colony formation, migration, invasion, and epithelial-mesenchymal transition (EMT)...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042504/small-molecular-peptide-scfv-%C3%AE-v%C3%AE-3-conjugates-specifically-inhibit-lung-cancer-cell-growth-in-vitro-and-in-vivo
#8
Qianqian Qiu, Qiongyao Wang, Changxu Deng, Yanqin Sun, Taoliang Chen, Linlang Guo, Fan Zhang
Integrin αvβ3 (ITG) is highly expressed in various cancers and is considered a major target for anti-angiogensis cancer therapy. The single chain fragment variable of which (ScFv αvβ3) has been reported to inhibit tumor growth both in vitro and in vivo. Here, we conjugated cdGIGPQc which can exclusively bind to NSCLC cells according to our previous study synthesized by SPPS with ScFv αvβ3 expressed in E. coli BL21 (DE3) to develop a novel lung cancer specific targeted drug. Specific cell targeting of cdGIGPQc-ScFv was assessed in parallel with the single ScFv and a control nonspecific peptide-ScFv through immunofluorescence and flow cytometry while the αvβ3-binding property was examined by Western blot...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042503/isobolographic-analysis-demonstrates-additive-effect-of-cisplatin-and-hdis-combined-treatment-augmenting-their-anti-cancer-activity-in-lung-cancer-cell-lines
#9
Ewelina Gumbarewicz, Jarogniew J Luszczki, Anna Wawruszak, Magdalena Dmoszynska-Graniczka, Aneta J Grabarska, Agata M Jarząb, Krzysztof Polberg, Andrzej Stepulak
Histone deacetylase inhibitors (HDIs) are a new class of drugs which affect the activity of HDACs resulting in changed of acetylation in many proteins. HDIs can induce differentiation, cell growth arrest, apoptosis, inhibit proliferation and angiogenesis in cancer, whereas normal cells are comparatively resistant to the action of HDIs. The aim of this study was to investigate the combined effect of a well-known cytostatic agent-cisplatin (CDDP) and a histone deacetylase inhibitors-either suberoylanilide hydroxamic acid (SAHA, vorinostat) or valproic acid (VPA), on the proliferation of lung cancer cells, as well as induction of apoptosis and inhibition of the cell cycle progression...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042502/verteporfin-induces-apoptosis-and-eliminates-cancer-stem-like-cells-in-uveal-melanoma-in-the-absence-of-light-activation
#10
Ya-Wen Ma, Yi-Zhi Liu, Jing-Xuan Pan
Uveal melanoma (UM) is the most common primary ocular malignancy in adults. Currently, no beneficial systemic therapy is available; therefore, there is an urgent need for effective targeted therapeutic drugs. As verteporfin has shown anti-neoplastic activity in several types of cancers, here we hypothesized and investigated the efficacy of verteporfin against UM cells without light activation. MTS assay, flow cytometry analysis of apoptosis, Western blotting of relevant proteins, transwell migration and invasion assay, melanosphere culture, and measurement of ALDH(+) populations, were used to evaluate the effects of verteporfin on UM cells...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042501/a-new-pdac-mouse-model-originated-from-ipscs-converted-pancreatic-cancer-stem-cells-csccm
#11
Anna Sanchez Calle, Neha Nair, Aung KoKo Oo, Marta Prieto-Vila, Megumi Koga, Apriliana Cahya Khayrani, Maram Hussein, Laura Hurley, Arun Vaidyanath, Akimasa Seno, Yoshiaki Iwasaki, Malu Calle, Tomonari Kasai, Masaharu Seno
Pancreatic ductal adenocarcinoma (PDAC) is the most representative form of pancreatic cancers. PDAC solid tumours are constituted of heterogeneous populations of cells including cancer stem cells (CSCs), differentiated cancer cells, desmoplastic stroma and immune cells. The identification and consequent isolation of pancreatic CSCs facilitated the generation of genetically engineered murine models. Nonetheless, the current models may not be representative for the spontaneous tumour occurrence. In the present study, we show the generation of a novel pancreatic iPSC-converted cancer stem cell lines (CSCcm) as a cutting-edge model for the study of PDAC...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042500/microrna-147-suppresses-human-hepatocellular-carcinoma-proliferation-migration-and-chemosensitivity-by-inhibiting-hoxc6
#12
Cheng-Jun Sui, Feng Xu, Wei-Feng Shen, Bing-Hua Dai, Jiong-Jiong Lu, Min-Feng Zhang, Jia-Mei Yang
Patients with hepatocellular carcinoma (HCC) experience poor prognosis and low survival rates. In this study, we explored the molecular mechanism of microRNA-147 (miR-147) in regulating human HCC. We firstly used quantitative RT-PCR (qRT-PCR) to compare the expression levels of miR-147 between 7 HCC and two normal liver cell lines, as well as 10 paired primary HCC tissues and their adjacent non-carcinoma tissues. We found miR-147 was down-regulated in both HCC cell lines and primary HCCs tissues. HCC cell lines HepG2 and HuH7 were transfected with lentiviral vector of miR-147 mimics...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042499/pcaf-acts-as-a-gastric-cancer-suppressor-through-a-novel-pcaf-p16-cdk4-axis
#13
Hong-Jun Fei, Li-Dong Zu, Jun Wu, Xiao-Shu Jiang, Jing-Long Wang, Y Eugene Chin, Guo-Hui Fu
Gastric cancer (GC) is a leading cause of cancer-related death worldwide and the pathogenesis of GC remains largely unknown. Here, we demonstrate a novel mechanism by which P300/CBP associating factor (PCAF) acts as a tumor suppressor in GC cells. We showed that both PCAF mRNA and protein were downregulated in GC cells, and that this downregulation correlated with poor survival. Meanwhile, the interaction between human anion exchanger 1 (AE1) and p16 is a key event in GC development. We found that PCAF inhibited GC growth by interacting with AE1 and p16 to promote ubiquitin-mediated degradation of AE1 and p16 upregulation and translocation into the nucleus...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042498/alpinumisoflavone-induces-apoptosis-in-esophageal-squamous-cell-carcinoma-by-modulating-mir-370-pim1-signaling
#14
Yantao Han, Xiuwei Yang, Ning Zhao, Jianjun Peng, Hui Gao, Xia Qiu
Esophageal squamous cell carcinoma (ESCC) is the most prevalent type of esophageal cancer and accumulating evidence has confirmed the role of miRNAs in ESCC. One such miRNA, miR-370, was found to be aberrantly downregulated in various human malignancies. This study showed that the expression of miR-370 was significantly lower in ESCC tissues and cell lines, and miR-370 functioned as a tumor suppressor in ESCC. Moreover, this is the first report that showed miR-370 suppresses cell proliferation and tumor growth by directly targeting Pim family kinases 1 (PIM1)...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28042497/regulation-and-role-of-post-translational-modifications-of-enhancer-of-zeste-homologue-2-in-cancer-development
#15
REVIEW
Haiqi Lu, Guangliang Li, Chenyi Zhou, Wei Jin, Xiaoling Qian, Zhuo Wang, Hongming Pan, Hongchuan Jin, Xian Wang
Post-translational modifications (PTMs) are critical molecular events which alter protein conformation after their synthesis and diversity protein properties by modulating their stability, localization, interacting partners or the activity of their substrates, consequently exerting pivotal roles in regulating the functions of many important eukaryotic proteins. It has been well acknowledged that PTMs are of great importance in a broad range of biological processes such as gene regulation, cell proliferation, differentiation and apoptosis, tissue development, diseases, tumor progression and drug resistance...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904785/overexpression-of-ywhaz-as-an-independent-prognostic-factor-in-adenocarcinoma-of-the-esophago-gastric-junction
#16
Nobuyuki Watanabe, Shuhei Komatsu, Daisuke Ichikawa, Mahito Miyamae, Takuma Ohashi, Wataru Okajima, Toshiyuki Kosuga, Hirotaka Konishi, Atsushi Shiozaki, Hitoshi Fujiwara, Kazuma Okamoto, Hitoshi Tsuda, Eigo Otsuji
Several studies have demonstrated that YWHAZ (14-3-3ζ), included in the 14-3-3 family of proteins, is implicated in the initiation and progression of cancers. To detect a novel treatment target for adenocarcinoma of the esophagogastric junction (AEG), we tested whether YWHAZ acted as a cancer-promoting gene through its overexpression in AEG. We analyzed YWHAZ protein expression in 92 consecutive primary AEG tumors, which had been curatively resected in our institution between 2000 and 2010. Overexpression of the YWHAZ protein was frequently detected in primary AEG tumor samples (46% (42/92))...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904784/high-foxred1-expression-predicted-good-prognosis-of-colorectal-cancer
#17
Weiqiang Fei, Shuiping Liu, Xiaotong Hu
The human FAD-dependent oxidoreductase domain containing 1 (FOXRED1) protein is reported as an assembly factor which promotes the correct assembly and stability of mitochondrial Complex I (CI). Alterations of mitochondrial CI might cause tumorigenesis and metastasis, but it's molecular mechanisms remain unclear. In this study, we selected 145 cases of colorectal cancer for immunohistochemistry to explore the role of FOXRED1 played in the tumor progression of colorectal cancer. The relationship between FOXRED1 expression and clinicopathological features of colorectal cancers was evaluated...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904783/circulating-mirna-profile-in-esophageal-adenocarcinoma
#18
Keqiang Zhang, Xiwei Wu, Jinhui Wang, Joshua Lopez, Weiying Zhou, Lu Yang, Shizhen Emily Wang, Dan J Raz, Jae Y Kim
Esophageal cancer is one of the deadliest cancers worldwide. It typically has a poor overall prognosis because of diagnosis in advanced stages. Sensitive biomarkers for the early detection of esophageal cancer are urgently needed to reduce the high mortality of this disease. Circulating microRNAs (miRNAs) are emerging as a novel non-invasive biomarker for cancer diagnosis due to its high stability and specificity. In this study, we profiled circulating miRNAs in serum of patients with esophageal adenocarcinoma (EAC) using the Solexa sequencing analysis...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904782/prognostic-values-of-dlk1-for-surgery-and-imatinib-mesylate-adjuvant-therapy-in-gastrointestinal-stromal-tumors
#19
Jia Xu, Ming Wang, Zizhen Zhang, Wenyi Zhao, Chaojie Wang, Lin Tu, Yeqian Zhang, Hui Cao
The Delta-like 1 homolog (DLK1) gene is a paternal imprinting gene located on human chromosome 14q32, a site associated with frequent chromosomal mutations in GIST. The expression level of DLK1 is closely associated with the outcome of tumours. However, no study has reported the DLK1 expression in GIST. Here, we demonstrated that DLK1 showed low expression in GIST patients with low risk according to the modified National Institute of Health (NIH) criteria. With increasing tumour risk level, DLK1 gene and protein expression levels gradually increased...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27904781/microrna-497-regulates-cisplatin-chemosensitivity-of-cervical-cancer-by-targeting-transketolase
#20
Hui Yang, Xiao-Li Wu, Kai-Hua Wu, Rong Zhang, Li-Li Ju, Ying Ji, Yan-Wei Zhang, Song-Lin Xue, Ye-Xin Zhang, Yong-Feng Yang, Min-Min Yu
Cervical cancer is one of the most lethal malignancies amongst women, partially because it is unresponsive to many chemotherapeutic drugs. The mechanism underlying cisplatin (DDP) resistance in cervical cancer remains largely elusive. In this study, by detecting the 12 most reported down-regulated miRNAs in chemotherapy-sensitive and -resistant cervical cancer cells, we found that miR-497 was significantly reduced in chemotherapy-resistant HeLa/DDP cells and contributed to DDP chemosensitivity. Transketolase (TKT), a thiamine-dependent enzyme that plays a role in the channeling of excess glucose phosphates to glycolysis in the pentose phosphate pathway, was identified as a direct target of miR-497...
2016: American Journal of Cancer Research
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