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American Journal of Cancer Research

Mandy Juarez, Alejandro Schcolnik-Cabrera, Alfonso Dueñas-Gonzalez
Drug repositioning is a highly studied alternative strategy to discover and develop anticancer drugs. This drug development approach identifies new indications for existing compounds. Ivermectin belongs to the group of avermectins (AVM), a series of 16-membered macrocyclic lactone compounds discovered in 1967, and FDA-approved for human use in 1987. It has been used by millions of people around the world exhibiting a wide margin of clinical safety. In this review, we summarize the in vitro and in vivo evidences demonstrating that ivermectin exerts antitumor effects in different types of cancer...
2018: American Journal of Cancer Research
Si Xiong, Ronghua Wang, Qian Chen, Jing Luo, Jinlin Wang, Zhenxiong Zhao, Yawen Li, Yun Wang, Xiju Wang, Bin Cheng
In this study, we investigated the role of cancer-associated fibroblasts (CAFs) in hepatocellular carcinoma (HCC) progression. We showed that CAFs secrete high levels of IL-6, which promoted stem cell-like properties in HCC cells by activating Notch signaling through STAT3 Tyr705 phosphorylation. These effects were abolished by Notch1 shRNA knockdown in HCC cells or treatment with an IL-6 neutralizing antibody or the p-STAT3 (Tyr705) inhibitor cryptotanshinone. Xenografted liver tumors were larger in nude mice injected with HCC cells and CAFs than in those receiving HCC cells alone...
2018: American Journal of Cancer Research
Hua Chen, Liang Liu, Xiaojian Li, Yan Shi, Ning Liu
MicroRNA-1294 (miR-1294) has been reported to be involved in the progression of esophageal squamous cell carcinoma. However, the function and the mechanisms of miR-1294 in glioma remain unclear. In this study, we explore the potential biological roles of miR-1294 in glioma cell lines. First, we detected the aberrant down-regulation of miR-1294 in glioma tissues and cell lines. Second, we determined that miR-1294 suppresses the proliferation, migration and invasiveness and enhances the chemosensitivity of glioma cells lines to temozolomide...
2018: American Journal of Cancer Research
Qiyue Zhang, Jingyuan Wang, Na Li, Zhentao Liu, Zuhua Chen, Zhongwu Li, Yumei Lai, Lin Shen, Jing Gao
This study was designed to investigate the significance of the effect of miR-34a on 5-fluorouracil (5-FU) sensitivity in vitro and in vivo . miR-34a expression in tumor tissues or serum was determined by quantitative polymerase chain reaction. CRC cell lines HCT116 and SW480 were used to evaluate cell viability, cell apoptosis, and the cell cycle using a cell proliferation assay, flow cytometry, and Western blotting, respectively. For the in vivo studies, xenografts derived from SW480 cells were established to assess the antitumor activity between miR-34a and 5-FU...
2018: American Journal of Cancer Research
De Qing Wu, Zi Feng Yang, Ke Jian Wang, Xing Yu Feng, Ze Jian Lv, Yong Li, Zhi Xiang Jian
Colorectal cancer (CRC) is one of the most common malignant cancers and the leading cause of cancer-related deaths in worldwide. Although the monoclonal antibody therapy is prescribed for CRC, the metastasis resistant to therapy is the major cause of death of patients with CRC, which indicating the urgent demands for new therapeutic targets discovery. Aquaporin 8 (AQP8) has been identified alter expressed in several cancers including breast cancer, lung cancer and prostatic carcinoma. Our study demonstrated the functional significance of AQP8 in CRC cells growth and metastasis...
2018: American Journal of Cancer Research
Jian-Jun Chen, Wei Zhang
WWP1 (WW domain-containing E3 ubiquitin protein ligase 1), which is frequently up-regulated in multiple human malignancies, has been demonstrated to play a critical function in cell proliferation, apoptosis and invasion. However, limited knowledge is known about the expression pattern and prognostic value of WWP1 in colorectal cancer (CRC). In this study, we firstly observed that WWP1 mRNA and protein is commonly up-regulated in CRC tissues compared with normal counterparts. Furthermore, by immunohistochemical analysis in 348 cases of CRC specimens, we demonstrated that the WWP1 protein expression is up-regulated in 58...
2018: American Journal of Cancer Research
Dongxia Fu, Yunna Zhang, Haibin Cui
Pituitary adenomas, arising from the pituitary gland cells, are one of the most frequent tumors found in the sella region. However, the molecular mechanisms involved in the carcinogenesis and progression of pituitary adenomas is still not understood in detail. Long noncoding RNA (lncRNA) colon cancer-associated transcript 2 (CCAT2), a newly identified lncRNA, has been reported to be abnormally expressed in some cancers. In the present study, we found that CCAT2 was significantly upregulated in pituitary adenomas tissues...
2018: American Journal of Cancer Research
Lian-Zi Wei, Yan-Qing Wang, Yun-Li Chang, Na An, Xiao Wang, Pei-Jie Zhou, Helen He Zhu, Yu-Xiang Fang, Wei-Qiang Gao
The microRNA-transcription factor auto-regulatory feedback loop is a pivotal mechanism for homeostatic regulation of gene expression, and dysregulation of the feedback loop is tightly associated with tumorigenesis and progression. However, the mechanism underlying such dysregulation is still not well-understood. Here we reported that Krüppel-like factor 4 (KLF4), a stemness-associated transcription factor, promotes the transcription of miR-7 to repress its own translation so that a KLF4-miR-7 auto-regulatory feedback loop is established for mutual regulation of their expression...
2018: American Journal of Cancer Research
Renu Verma, Prakash C Sharma
Gastric cancer (GC) is one of the leading causes of cancer related mortality in the world. Being asymptomatic in nature till advanced stage, diagnosis of gastric cancer becomes difficult in early stages of the disease. The onset and progression of gastric cancer has been attributed to multiple factors including genetic alterations, epigenetic modifications, Helicobacter pylori and Epstein-Barr Virus (EBV) infection, and dietary habits. Next Generation Sequencing (NGS) based approaches viz . Whole Genome Sequencing (WGS), Whole Exome Sequencing (WES), RNA-Seq, and targeted sequencing have expanded the knowledge base of molecular pathogenesis of gastric cancer...
2018: American Journal of Cancer Research
Cunrong Chen, Lili Zhou, Hui Wang, Junnian Chen, Wen Li, Wei Liu, Mingjie Shen, Hongzhou Liu, Xiaomin Fu
Several somatic copy number variations (CNVs) have been identified in papillary thyroid cancer (PTC). However, the functional roles of CNVs and the genes responsible for the roles of CNVs are largely unknown. In this study, we identified a novel long noncoding RNA (lncRNA) CNALPTC1 (copy number amplified long noncoding RNA in papillary thyroid cancer 1). The genomic copy number of CNALPTC1 is amplified and CNALPTC1 expression level is up-regulated in PTC. Increased expression of CNALPTC1 is associated with aggressive clinicopathological characteristics...
2018: American Journal of Cancer Research
Brian Smith, Yi-Hsin Hsu, Rene Flores, Mihai Gagea, Suzanne Craig, Mien-Chie Hung
c-MET inhibitor, crizotinib, and CDK 4/6 inhibitor, palbociclib, have been evaluated in combination as cancer treatment in vitro. Because the toxicological data for the combination of these drugs is limited, we investigated the toxicity of the crizotinib and palbociclib combination in 80 ICR (CD-1) mice (average age = ~20 weeks). Treatments were arranged as a 2 × 2 × 2 factorial and included sex (female vs. male), crizotinib (0 or 4 mg), and palbociclib (0 or 1 mg). Drugs were administered to mice by oral gavage 24 hours (n = 40) and 7 days (n = 40) prior to the collection of blood and tissue samples to determine serum chemistry, hematology, and histopathology...
2018: American Journal of Cancer Research
Yanyan Wang, Wenjuan Zhang, Yuyan Wang, Shanfeng Wang
Evidence is accumulating that long non-coding RNAs (lncRNAs) exert crucial roles in the incidence and progression of tumors. HOXD cluster antisense RNA 1 (HOXD-AS1), a cancer-related lncRNA, has been frequently reported to be involved in tumorigenesis and dysregulated in multiple types of human cancers; however, little is known about its role in ovarian cancer (OC). This study aimed to explore the role of HOXD-AS1 in OC and elucidate the potential mechanism involved. In the current study, HOXD-AS1 was observed to be upregulated in both OC tissues and cell lines...
2018: American Journal of Cancer Research
Min Ji, Lin Wang, Yuguo Shao, Wei Cao, Ting Xu, Shujie Chen, Zhiwei Wang, Qi He, Kuo Yang
Li-Fraumeni Syndrome (LFS), which is a rare dominantly inherited cancer predisposition syndrome, is associated with germline P53 mutations. Mutations of the tumor suppressor protein P53 are associated with more than 50% of human cancers; however, almost 30% of P53 mutations occur rarely and this has raised questions about their significance. It therefore appeared of particular interest that we identified a novel mutation in a patient suffering from breast cancer and fulfilling the diagnostic criteria of LFS...
2018: American Journal of Cancer Research
Jie-Xue Pan, Gang Chen, Jun-Jian Li, Qian-Dong Zhu, Jing-Jie Li, Zong-Jing Chen, Zheng-Ping Yu, Long-Yun Ye
Doxorubicin (DOX) is a conventional and effective chemotherapeutic used in the treatment of hepatocellular carcinoma (HCC). However, doxorubicin administration may induce EMT, which results in the development of chemoresistance in HCC. Recent studies report that Isocorydine (ICD) selectively inhibits human cancer stem cells (CSCs), which have an important role in the development of chemoresistance. In this study, we observed that ICD co-administration enhanced DOX cytotoxicity in HCC cells, enabling the inhibition of DOX-induced epithelial-mesenchymal transition (EMT)...
2018: American Journal of Cancer Research
Kun Hu, Shiqian Shen, Lanjing Zhang
Presence of colonic crypts in submucosa was previously termed as herniation of crypts, pseudoinvasion, epithelial-misplacement, or inverted hyperplastic-polyp. It is considered as an important criterion for diagnosing sessile serrated adenoma (SSA), which links to a higher risk of synchronous and future colorectal cancers compared with hyperplastic polyp (HP). Here, we aimed to study the frequencies, diagnostic specificity and synchronous neoplasms of herniation of crypts in HP and SSA. We prospectively included all HP and SSA cases and 514 randomly-selected colorectal polyps of normal histology diagnosed from 2013 to 2015 at our institution...
2018: American Journal of Cancer Research
Jiantao Xiao, Qing Shi, Weiguo Li, Xingyu Mu, Jintao Peng, Mingzi Li, Mulin Chen, Huabing Huang, Chenji Wang, Kun Gao, Jie Fan
The α-arrestins domain-containing 1 and 3 (ARRDC1 and ARRDC3) are two members of the α-arrestins family. Yes-associated protein 1 (YAP1) is a key downstream transcription co-activator of the Hippo pathway essential for cancer initiation, progression, or metastasis in clear cell renal cell carcinoma (ccRCC). The aim of this work was to elucidate the role of the α-arrestins in ccRCC tumorigenesis by identifying molecular interacting factors and exploring potential mechanisms. In this study, we identified YAP1 as a novel ARRDC3 interacting protein in RCC cells through tandem affinity purification and mass spectrometry...
2018: American Journal of Cancer Research
Shukun Zhang, Wenmin Ge, Gangyong Zou, Lin Yu, Yongcun Zhu, Qiujing Li, Yujie Zhang, Zhanli Wang, Tao Xu
Accumulating evidences have illuminated that an amount of microRNAs are involved in human diseases including hepatocellular carcinoma (HCC). In this study, we found that the expression of miR-382 in HCC tissues was down-regulated compared with the non-cancerous tissues. Over-expression of miR-382 could significantly inhibit the migration and invasion of HCC cells in vitro and in vivo. Bioinformatic algorithms and luciferase reporter assays suggested that Golgi Membrane Protein 1 (GOLM1) was a direct target of miR-382...
2018: American Journal of Cancer Research
Yali Han, Chuanyong Liu, Guanhua Li, Juan Li, Xingyan Lv, Huan Shi, Jie Liu, Shuai Liu, Peng Yan, Shuyun Wang, Yuping Sun, Meili Sun
New immunotherapeutic approaches are urgently needed for gastric cancer due to its poor survival and unsatisfactory treatment. Here we applied the humanized chA21 scfv based chimeric antigen receptor (CAR) modified T cells approach to the HER2 overexpressing gastric cancer treatment. The chA21-4-1BBz CAR T cells specifically exerted Th1 skewed cytokine response and efficient cytolysis of HER2 overexpressing human gastric cancer cells in vitro . Both the cytokine production and cytotoxicity levels were correlated with the level of HER2 surface expression by tumor cells...
2018: American Journal of Cancer Research
Anqing Zhu, Huizi Sha, Shu Su, Fangjun Chen, Jia Wei, Fanyan Meng, Yang Yang, Juan Du, Jie Shao, Fuzhi Ji, Chong Zhou, Zhengyun Zou, Xiaoping Qian, Baorui Liu
Efficient trafficking of lymphocytes to the tumor microenvironment is crucial for the success of an effective antitumor immunotherapy. A major challenge to achieve effective adoptive immunotherapy is poor tumor penetration and inefficient migration of T cells to the tumor site. Several approaches to facilitate the trafficking of lymphocytes to the tumor microenvironment have been suggested to overcome these obstacles. Here, we address this issue with a focus on the tumor-penetrating peptide iRGD, which can specifically increase the permeability of the tumor vasculature and tumor tissue, enhancing drug penetration...
2018: American Journal of Cancer Research
Yong Li, Cai Cheng
Osteosarcoma (OS) is the most common histological form of primary bone cancer. Long noncoding RNA nuclear enriched abundant transcript 1 (NEAT1) functions as an oncogene in some cancers. However, the functional role of NEAT1 in OS metastasis remains elusive. In the present study, we found that NEAT1 expression was significantly increased in OS tissues and cell lines. Overexpression of NEAT1 in OS tissues was correlated with higher clinical stage, distant metastasis and poorer prognosis. Loss- and gain-of-function assays showed that NEAT1 positively regulated metastasis in vitro and in vivo ...
2018: American Journal of Cancer Research
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