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American Journal of Cancer Research

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https://www.readbyqxmd.com/read/28337384/topoisomerase-i-top1-a-major-target-of-fl118-for-its-antitumor-efficacy-or-mainly-involved-in-its-side-effects-of-hematopoietic-toxicity
#1
EDITORIAL
Fengzhi Li, Xiang Ling, Danni L Harris, Jianqun Liao, Yuping Wang, David Westover, Guohui Jiang, Bo Xu, Patrick M Boland, Chunyang Jin
FL118 is a novel camptothecin (CPT) analogue that possesses exceptional antitumor efficacy in human tumor animal models. To date, two CPT analogues, irinotecan and topotecan, have been approved by the FDA for cancer treatment. FL118 exhibits superior antitumor activity over irinotecan and topotecan, and effectively overcomes the irinotecan- or topotecan-resistant human tumors in animal models. Accordingly, FL118 selectively inhibits the expression of multiple cancer-associated proteins (survivin, Mcl-1, XIAP, cIAP2, MdmX)...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337383/pancreatic-cancer-screening-in-different-risk-individuals-with-family-history-of-pancreatic-cancer-a-prospective-cohort-study-in-taiwan
#2
Ming-Chu Chang, Chih-Horng Wu, Shih-Hung Yang, Po-Chin Liang, Bang-Bin Chen, I-Shiow Jan, Yu-Ting Chang, Yung-Ming Jeng
Pancreatic cancer (PC) is usually diagnosed at advanced stage. Our aim was to investigate the risk of malignant and premalignant pancreatic lesions in individuals with family history of PC. Individuals at risk of PC were enrolled prospectively in a screening program in Taiwan. All risk individuals received genetic testing of cationic trypsinogen (PRSS1) gene and the serine protease inhibitor Kazal type 1 (SPINK1) gene. They were stratified into three risk groups (high, moderate, and low) based on the family history and genetic testing...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337382/a-new-t-staging-system-for-nasopharyngeal-carcinoma-based-on-intensity-modulated-radiation-therapy-results-from-a-prospective-multicentric-clinical-study
#3
Min Kang, Pingting Zhou, Tingting Wei, Tingting Zhao, Jianxiong Long, Guisheng Li, Haolin Yan, Guosheng Feng, Meilian Liu, Jinxian Zhu, Rensheng Wang
PURPOSE: This prospective multicentric study aimed to establish a new clinical T staging standard for nasopharyngeal carcinoma (NPC) based on intensity-modulated radiotherapy (IMRT). METHODS AND MATERIALS: Between January 2006 and December 2009, four hundred and ninety-two NPC patients undergoing IMRT were staged according to the seventh edition of the UICC/AJCC staging system. The Kaplan-Meier method was used to calculate survival rates, and the log-rank test was used to compare survival differences...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337381/hla-e-inhibitor-enhances-the-killing-of-neuroblastoma-stem-cells-by-co-cultured-dendritic-cells-and-cytokine-induced-killer-cells-loaded-with-membrane-based-microparticles
#4
Zijun Zhen, Kaibin Yang, Litong Ye, Zhiyao You, Rirong Chen, Ying Liu, Youjian He
Neuroblastoma stem cells (NSCs) can cause drug resistance and tumor recurrence. This study aimed to enhance the lytic effect of dendritic cells (DCs) co-cultured with cytokine-induced killer (CIK) cells. NSCs were obtained by suspension culture, and DC-CIK cells were loaded with extracted NSC membrane-based microparticles (MMPs) before evaluating the lytic effect of DC-CIK cells on NSCs. After inhibiting the function or expression of human leukocyte antigen-E (HLA-E) in NSCs by anti-HLA-E monoclonal antibody or siRNA, the DC-CIK cell lytic effect on NSCs was re-assessed...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337380/microrna-122-inhibits-proliferation-and-invasion-in-gastric-cancer-by-targeting-creb1
#5
Min Rao, Yonggang Zhu, Yinan Zhou, Xiaoxia Cong, Li Feng
MicroRNA-122 (miR-122) has been implicated in tumor development and progression in various types of cancers. However, the biological function and regulatory mechanisms of miR-122 in gastric cancer (GC) remain largely unknown. We aimed to determine the biological role and underlying mechanism of miR-122 in GC. Real time quantitative RT-PCR (qRT-PCR) was performed to detect the expression of miR-122 in GC tissues and cell lines. CCK8, wound healing, and transwell assays were conducted to determine the effect of miR-122 on cell proliferation, migration, and invasion, respectively...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337379/long-intergenic-non-coding-rna-00152-promotes-renal-cell-carcinoma-progression-by-epigenetically-suppressing-p16-and-negatively-regulates-mir-205
#6
Yongjun Wang, Jianzhen Liu, Hongzhong Bai, Yi Dang, Pei Lv, Shucai Wu
Long non-coding RNAs (lncRNAs) have been reported to play important roles in the tumorigenesis and development of several human cancers. Long intergenic non-coding RNA 152 (LINC00152) is significantly up-regulated in some solid tumors. However, the role of LINC00152 in the pathogenesis and development of renal cell carcinoma (RCC) remains largely unclear. In the study, we showed that LINC00152 expression was up-regulated in RCC tissues compared with adjacent normal tissues and revealed that LINC00152 expression was positively correlated with lymph node metastasis, higher TNM stage, and poor over survival (OS) time in RCC patients...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337378/in-vivo-growth-and-responses-to-treatment-of-renal-cell-carcinoma-in-different-environments
#7
Yahya Alhamhoom, Guisheng Zhang, Mingming Gao, Houjian Cai, Dexi Liu
Renal cell carcinoma is the most common type of kidney cancer in adults and is associated with poor prognosis. The hydrodynamic cell delivery technique was employed in this study to establish tumor growth in mouse lung, liver and kidneys. We demonstrate that Renca(Luc) cells exhibit different growth rates and responses to the cancer treatment of 5-florouracil and cytokine gene therapy when growing in different organs. The tumor growth rate was faster in the kidneys compared to that in the lung and liver. The liver is the second-best organ in support of tumor growth...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337377/the-e3-ubiquitin-ligase-chip-mir-92b-pten-regulatory-network-contributes-to-tumorigenesis-of-glioblastoma
#8
Tao Xu, Hongxiang Wang, Mei Jiang, Yong Yan, Weiqing Li, Hanchong Xu, Qilin Huang, Yicheng Lu, Juxiang Chen
Glioblastoma (GBM) is the most frequent, aggressive and fatal tumor in the central nervous system, while PTEN signaling is frequently deregulated in human GBM. We previously reported the up-regulation of the carboxyl terminal of Hsp70-interacting protein (CHIP) in GBM, however, the causal link between its dysregulation and tumorigenesis has not been established. Using miRNA microarrays and quantitative RT-PCR (qRT-PCR), we found activation of CHIP leads to increased transcription of miR-92b. Further studies in T98G and LN229 cells showed overexpression of miR-92b elicited reduction of PTEN and efficiently rescued glioma development in CHIP knock-down cells...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337376/curcumin-derivative-wz35-efficiently-suppresses-colon-cancer-progression-through-inducing-ros-production-and-er-stress-dependent-apoptosis
#9
Junru Zhang, Zhiguo Feng, Chunhua Wang, Huiping Zhou, Weidong Liu, Karvannan Kanchana, Xuanxuan Dai, Peng Zou, Junlian Gu, Lu Cai, Guang Liang
Colon cancer is characterized by its fast progression and poor prognosis, and novel agents of treating colon cancer are urgently needed. WZ35, a synthetic curcumin derivative, has been reported to exhibit promising antitumor activity. Here, we investigated the in vitro and in vivo activities of WZ35 and explored the underlying mechanisms in colon cancer cell lines. WZ35 treatment significantly decreased the cell viability associated with G2/M cell cycle arrest and apoptosis induction in colon cancer cell lines...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337375/hmga2-regulates-cd44-expression-to-promote-gastric-cancer-cell-motility-and-sphere-formation
#10
Junying Sun, Baocun Sun, Dongwang Zhu, Xiulan Zhao, Yanhui Zhang, Xueyi Dong, Na Che, Jing Li, Fang Liu, Nan Zhao, Danfang Zhang, Tieju Liu, Xian Lin
High mobility group AT-hook 2 (HMGA2) is a transcriptional modulator that mediates motility and self-renewal in cancer stem cells. Gastric cancer (GC) is the third leading cause of cancer-related deaths worldwide. GC contains a population of stem-like cells that promote tumor invasion and resistance to therapy. In the current study, we investigated the expression of HMGA2 and the cancer stem cell marker CD44 in 200 GC samples and found that HMGA2 and CD44 were significantly associated with distant metastasis, histological differentiation and poor prognosis in GC patients...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337374/polypyrimidine-tract-binding-protein-1-promotes-proliferation-migration-and-invasion-in-clear-cell-renal-cell-carcinoma-by-regulating-alternative-splicing-of-pkm
#11
Junyi Jiang, Xu Chen, Hao Liu, Jing Shao, Ruihui Xie, Peng Gu, Chaohui Duan
Polypyrimidine Tract-Binding Protein 1 (PTBP1) is an essential RNA-binding protein that regulates diverse biological events through regulating alternative splice of mRNA. PTBP1 induces cancer-promoting splice variants and is related to tumorigenesis in several cancers. However, both the expression patterns and biological mechanisms of PTBP1 in clear-cell renal cell carcinoma (ccRCC) are unclear. We investigated PTBP1 expression in 533 ccRCC patients from TCGA and 30 ccRCC patients by immunohistochemistry, and found that PTBP1 expression levels were significantly increased in ccRCC tissues and that high PTBP1 expression was closely correlated with advanced tumor stage, AJCC stage and poor prognosis...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337373/heparanase-promotes-radiation-resistance-of-cervical-cancer-by-upregulating-hypoxia-inducible-factor-1
#12
Jianping Li, Xin Meng, Jing Hu, Ying Zhang, Yunzhi Dang, Lichun Wei, Mei Shi
Heparanase (HPSE1) is elevated in various types of cancers including cervical cancer, and correlated with poor prognosis. Current study is to investigate the effects of HPSE1 on radiation response in cervical cancer. Colony formation assays after radiation were performed to compare the radiation response among control, HPSE1 knockdown and HPSE1 overexpression HeLa cells. The mRNA and protein levels of HIF1, bFGF and VEGF were measured as indicators for the activity of HIF1 pathway. Xenograft mouse model were used to study the HPSE1 radiation regulator effects in vivo...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337372/mir-429-mediates-tumor-growth-and-metastasis-in-colorectal-cancer
#13
Yantao Han, Qian Zhao, Jie Zhou, Rui Shi
Colorectal cancer (CRC), presenting the third most common malignancy worldwide. In recent years, the aberrantly upregulation or downregulation of miRNAs in CRC have been evidenced in a number of studies. In this study, our results showed that the expression of miR-429 was significantly higher in CRC tissue compared with adjacent non-tumor tissue. In addition, our findings showed that miR-429 level was significantly associated with clinicoplathological features and prognosis of patients with CRC. Moreover, our findings showed that miR-429 exerted oncogenic effect by directly targeting HOXA5, a transcription factor of HOX families that is involved in the development and progression of CRC...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337371/combinational-therapy-of-crizotinib-and-afatinib-for-malignant-pleural-mesothelioma
#14
Liyan Huang, Muyan Cai, Xu Zhang, Fang Wang, Likun Chen, Meng Xu, Ke Yang, Zhen Chen, Xiaokun Wang, Liwu Fu
Malignant pleural mesothelioma (MPM) is a relative rare but highly aggressive neoplasm which is associated with asbestos exposure in most patients. The majority of patients are diagnosed in advanced stages so patients neither benefit from chemotherapy (e.g. pemetrexed-platinum combination) nor from surgery. It has been reported that cellular-mesenchymal to epithelial transition factor (MET) and epidermal growth factor receptor (EGFR) were critical for MPM cell proliferation. Moreover, targeting MET and EGFR drugs have gained promising results on anti-tumor therapy...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337370/role-of-epidermal-growth-factor-receptor-in-lung-cancer-and-targeted-therapies
#15
REVIEW
Tie-Cheng Liu, Xin Jin, Yan Wang, Ke Wang
Lung cancer is the foremost cause of cancer-related deaths world-wide. Both, the major forms of lung cancer, Non-small cell lung cancer (NSCLC) and Small cell lung cancers (SCLC), have responded effectively to chemo-, radiation and adjuvant-therapies. Tumor removal through surgery also appeared as a good therapeutic strategy. However, these therapies demonstrated unfavourable side-effects, and hence novel drugs targeting lung cancer emerged essential. Activation of epidermal growth factor receptor (EGFR)-tyrosine kinases is a key reason for lung cancer progression...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28337369/role-of-notch-signaling-pathway-in-pancreatic-cancer
#16
REVIEW
Jiankun Gao, Bo Long, Zhiwei Wang
Pancreatic cancer (PC) is one of the highly aggressive malignancies in the United States. It has been shown that multiple signaling pathways are involved in the pathogenesis of PC, such as JNK, PI3K/AKT, Rho GTPase, Hedgehog (Hh) and Skp2. In recent years, accumulated evidence has demonstrated that Notch signaling pathway plays critical roles in the development and progression of PC. Therefore, in this review we discuss the recent literature regarding the function and regulation of Notch in the pathogenesis of PC...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28123857/mir-542-3p-inhibits-colorectal-cancer-cell-proliferation-migration-and-invasion-by-targeting-otub1
#17
Long Yuan, Peng Yuan, Huijuan Yuan, Zhenlei Wang, Zengci Run, Guanglong Chen, Peng Zhao, Benling Xu
Although miR-542-3p has been found to be aberrantly downregulated in variety of human tumors, little is known about its role in colorectal cancer (CRC). This study was designed to assess the prognostic value of miR-542-3p in CRC by examining the expression profile of miR-542-3p in patients with CRC and investigate the possible molecular mechanism underlying the function of miR-542-3p. Our results showed that low levels of miR-542-3p were significantly associated with advanced tumor stage and lymph node metastasis and miR-542-3p can serve as an independent prognostic marker for CRC...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28123856/microrna-363-3p-inhibits-papillary-thyroid-carcinoma-progression-by-targeting-pik3ca
#18
Jia Liu, Qun Li, Rui Li, Peiyou Ren, Su Dong
MicroRNA-363-3p (miR-363-3p) reportedly plays crucial roles in tumor development and progression in many types of cancers. However, its role in papillary thyroid carcinoma (PTC) remain largely unclear. We therefore investigated the function and underlying mechanism of miR-363-3p in PTC. Here, we found that miR-363-3p was significantly downregulated in human PTC tissue samples and cell lines, and that miR-363-3p levels are negatively correlated with advanced clinical stage and lymph node metastasis. In addition to suppressing tumor growth in vivo, restoration of miR-363-3p in TPC-1 cells significantly inhibits proliferation, migration, and invasion and induced apoptosis in vitro...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28123855/microrna-454-shows-anti-angiogenic-and-anti-metastatic-activity-in-pancreatic-ductal-adenocarcinoma-by-targeting-lrp6
#19
Yue Fan, Chenye Shi, Tianyu Li, Tiantao Kuang
Our previous work has shown that microRNA-454 (miR-454) can inhibit the growth of pancreatic ductal adenocarcinoma (PDAC) by blocking the recruitment of bone marrow-derived macrophages. In the present study, we aimed to explore its role in the proliferation, invasion, and pro-angiogenic activity of PDAC cells in vitro and lung metastasis in vivo. PANC-1 and MiaPaCa-2 cells were transfected with a miR-454-expressing plasmid and tested for cell proliferation, colony formation, cell cycle distribution, invasion, and pro-angiogenic activity...
2017: American Journal of Cancer Research
https://www.readbyqxmd.com/read/28123854/telomerase-reverse-transcriptase-tert-promoter-mutations-in-korean-melanoma-patients
#20
Mi Ryung Roh, Kyu-Hyun Park, Kee Yang Chung, Sang Joon Shin, Sun Young Rha, Hensin Tsao
Telomerase reverse transcriptase (TERT) is the reverse transcriptase component of the telomeric complex, which synthesizes terminal DNA to protect chromosomal ends and to maintain genomic integrity. In melanoma, mutation in TERT promoter region is a common event and theses promoter variants have been shown to be associated with increased gene expression, decreased telomere length and poorer outcome. In this study, we determined the frequency of TERT promoter mutation in 88 Korean primary melanoma patients and aimed to see the association of TERT promoter mutation status to other major molecular features, such as BRAF, NRAS, KIT mutations and correlate with clinicopathological features...
2017: American Journal of Cancer Research
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