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Oncology Reports

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https://www.readbyqxmd.com/read/28260104/mir-92a-promotes-tumor-growth-of-osteosarcoma-by-targeting-pten-akt-signaling-pathway
#1
Jie Xiao, Weifeng Yu, Kongzu Hu, Maoqiang Li, Jianwei Chen, Zhanchun Li
MicroRNAs (miRNAs) play critical roles in human cancers including osteosarcoma (OS). miR-92a has been found to be a cancer-related miRNA in many cancer types and it is upregulated in OS cell lines. However, the expression and biological function of miR-92a in OS have not been investigated. In this study, we showed that miR-92a expression was increased in OS tissues, and its high expression was correlated with clinical stage, T classification and histological differentiation. Furthermore, patients with high expression of miR-92a had a significantly poorer survival rate...
March 2, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260021/microrna-134-suppresses-cell-proliferation-in-gastric-cancer-cells-via-targeting-of-golph3
#2
Yanqi Liu, Yanhong Sun, Aizhen Zhao
Emerging evidence has shown that microRNAs (miRNAs) play critical roles in tumor development and progression. miR-134 has been found to act as a tumor-suppressor in numerous types of cancers. However, little is known concerning the potential role of miR-134 in gastric carcinogenesis. In the present study, we found that miR-134 was highly downregulated in gastric cancer tissues and cell lines when compared with levels in their adjacent non-tumor tissues and the normal human gastric epithelial cell line GES-1...
March 2, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28259949/berberine-inhibits-the-proliferation-of-human-nasopharyngeal-carcinoma-cells-via-an-epstein-barr-virus-nuclear-antigen%C3%A2-1-dependent-mechanism
#3
Chao Wang, Huan Wang, Yaqian Zhang, Wei Guo, Cong Long, Jingchao Wang, Limei Liu, Xiaoping Sun
Nasopharyngeal carcinoma (NPC) is a malignancy derived from the epithelial cells of the nasopharynx cavity, and is closely associated with Epstein-Barr virus (EBV) infection. In addition to NPC, EBV causes various human malignancies, such as gastric cancer, hematological tumors and lymphoepithelioma-like carcinomas. Epstein-Barr nuclear antigen 1 (EBNA1) encoded by EBV is indispensable for replication, partition, transcription and maintenance of viral genomes. Berberine, a naturally occurring isoquinoline alkaloid, shows anti-inflammatory, anticholinergic, antioxidative, and anticancer activities...
March 2, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28259923/pleomorphic-adenoma-gene-like-2-induces-epithelial-mesenchymal-transition-via-wnt-%C3%AE-catenin-signaling-pathway-in-human-colorectal-adenocarcinoma
#4
Yong-Peng Wang, Peng-Tao Guo, Zhi Zhu, Hao Zhang, Yan Xu, Yu-Ze Chen, Fang Liu, Si-Ping Ma
Epithelial-mesenchymal transition (EMT) is a critical step in the acquisition of metastatic and invasive power for tumor cells. Colorectal adenocarcinoma (CRC) is a common cancer where metastasis is directly linked to patient survival. Recent studies show that pleomorphic adenoma gene like-2 (PLAGL2) could induce tumor EMT and is an independent predictive factor associated with poor prognosis in cancer. In the present study, we confirmed the role of PLAGL2 in the prognosis of CRC patients and provide molecular evidence of PLAGL2 promoted EMT in CRC cell line SW480...
March 2, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28259921/high-expression-of-pink1-promotes-proliferation-and-chemoresistance-of-nsclc
#5
Rui Zhang, Jun Gu, Jie Chen, Jun Ni, Jieru Hung, Zhiwen Wang, Xiaochen Zhang, Jian Feng, Lili Ji
PTEN-induced putative kinase 1 (PINK1) was identified initially as a gene upregulated in cancer cells which regulates cellular processes of significance in cancer cell biology, including cell survival, stress resistance and the cell cycle. However, the expression and function of PINK1 in non-small cell lung cancer (NSCLC) has not been determined yet. We demonstrated high PINK1 expression in NSCLC tumor tissues and cell lines as assessed by western blot and immunohistochemistry (IHC) assays. In addition, IHC analysis revealed that PINK1 expression was associated with a more invasive tumor phenotype and poor prognosis...
March 2, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28259920/identification-of-the-key-genes-implicated-in-the-transformation-of-olp-to-oscc-using-rna-sequencing
#6
Qiaozhen Yang, Bin Guo, Hongying Sun, Jie Zhang, Shangfeng Liu, Saiyin Hexige, Xuedi Yu, Xiaxia Wang
Oral lichen planus (OLP) is a chronic inflammatory disease that may transform to oral squamous cell carcinoma (OSCC), while its carcinogenesis mechanisms are not entirely clear. This study was designed to identify the important genes involved in the malignant transformation of OLP to OSCC. After RNA-sequencing, the differently expressed genes (DEGs) in OLP vs. normal and OSCC vs. normal groups, respectively, were identified by limma package in R language, and then clustering analysis were conducted by Pheatmap package in R language...
March 2, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260085/roles-of-immune-inhibitory-molecule-b7-h4-in-cervical-cancer
#7
Sai Han, Yi Li, Jingjing Zhang, Lu Liu, Qian Chen, Qiuhong Qian, Shan Li, Youzhong Zhang
Recent studies have reported that the immune-regulatory protein B7-H4 is highly expressed in various types of cancer, but little is known concerning its roles in cervical cancer. In the present study, we investigated the expression of B7-H4 in human tissues and serum samples, and explored the effects of B7-H4 on proliferation, apoptosis, migration and invasion of cervical cancer cell lines, including SiHa and HeLa. We found that B7-H4 was mainly located in the cytoplasm of cervical cancer cells as determined by immunofluorescence staining...
March 1, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260071/axl-and-met-receptor-tyrosine-kinases-are-essential-for-lung-cancer-metastasis
#8
Yun Jung Choi, Ji Hye Kim, Jin Kyung Rho, Joong Sun Kim, Chang-Min Choi, Woo Sung Kim, Jaekyoung Son, Jae Cheol Lee
The AXL and MET receptors regulate key processes in tumor growth, metastasis, and drug resistance; thus, they have recently been implicated as promising therapeutic targets in various tumors. We investigated the metastatic potential and crosstalk between these receptors in non‑small cell lung cancer (NSCLC). We found that the treatment of NSCLC cells with hepatocyte growth factor (HGF) and growth arrest-specific 6 (Gas6), as ligands for MET and AXL, respectively, promoted their migration and invasion ability...
March 1, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260065/fignl1-is-overexpressed-in-small-cell-lung-cancer-patients-and-enhances-nci-h446-cell-resistance-to-cisplatin-and-etoposide
#9
Jian Ma, Jianlei Li, Xiaoling Yao, Shuangjun Lin, Ye Gu, Jianfang Xu, Zixin Deng, Wei Ma, Haiping Zhang
Abnormal DNA repair plays an important role in tumor occurrence, progression and resistance to therapy. Fidgetin-like 1 (FIGNL1) expression was assayed in 42 small cell lung cancer (SCLC) and 45 normal lung specimens from Chinese patients by qRT-PCR. Notably, FIGNL1 was upregulated by 1.5-fold in the SCLC specimens compared to that noted in the normal counterparts. The SCLC cell line NCI-H446 that overexpresses FIGNL1 was adopted to explore the biological significance of FIGNL1 in SCLC. Even when FIGNL1 expression was suppressed by up to 48...
March 1, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28259989/mefenamic-acid-enhances-anticancer-drug-sensitivity-via-inhibition-of-aldo-keto-reductase-1c-enzyme-activity
#10
Masashi Shiiba, Hitomi Yamagami, Ayumi Yamamoto, Yasuyuki Minakawa, Atsushi Okamoto, Atsushi Kasamatsu, Yosuke Sakamoto, Katsuhiro Uzawa, Yuichi Takiguchi, Hideki Tanzawa
Resistance to anticancer medications often leads to poor outcomes. The present study explored an effective approach for enhancing chemotherapy targeted against human cancer cells. Real-time quantitative real-time polymerase chain reaction (qRT-PCR) analysis revealed overexpression of members of aldo-keto reductase (AKR) 1C family, AKR1C1, AKR1C2, AKR1C3, and AKR1C4, in cisplatin, cis-diamminedichloroplatinum (II) (CDDP)-resistant human cancer cell lines, HeLa (cervical cancer cells) and Sa3 (oral squamous cell carcinoma cells)...
March 1, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260082/cancer-associated-fibroblasts-enhance-pancreatic-cancer-cell-invasion-by-remodeling-the-metabolic-conversion-mechanism
#11
Tao Shan, Shuo Chen, Xi Chen, Wan Run Lin, Wei Li, Jiancang Ma, Tao Wu, Xijuan Cui, Hong Ji, Yiming Li, Ya'an Kang
We investigated the mechanism of cancer-associated fibroblasts (CAFs) in promoting the invasion and metastasis of pancreatic cancer cells in a non-vascular manner. We verified the original generation of isolated cultured CAFs and normal fibroblasts (NFs) based on the expression of α-SMA and vimentin, and we examined the cell glycolysis level through glucose consumption and lactate production experiments. The mRNA and protein expression of CAF glycolytic enzymes, lactate dehydrogenase and pyruvate kinase m2, were examined by RT-PCR and western blotting, respectively...
February 28, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260023/silencing-bmi1-radiosensitizes-human-breast-cancer-cells-by-inducing-dna-damage-and-autophagy
#12
James Griffith, Daniel Andrade, Meghna Mehta, William Berry, Doris M Benbrook, Natarajan Aravindan, Terence S Herman, Rajagopal Ramesh, Anupama Munshi
Overexpression of BMI1 in human cancer cells, a member of the polycomb group of repressive complexes, correlates with advanced stage of disease, aggressive clinico-pathological behavior, poor prognosis, and resistance to radiation and chemotherapy. Studies have shown that experimental reduction of BMI1 protein level in tumor cells results in inhibition of cell proliferation, induction of apoptosis and/or senescence, and increased susceptibility to cytotoxic agents and radiation therapy. Although a role for BMI1 in cancer progression and its importance as a molecular target for cancer therapy has been established, information on the impact of silencing BMI1 in triple-negative breast cancer (TNBC) and its consequence on radiotherapy have not been well studied...
February 28, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260105/depletion-of-tfap2e-attenuates-adriamycin-mediated-apoptosis-in-human-neuroblastoma-cells
#13
Reina Hoshi, Yosuke Watanabe, Yoshiaki Ishizuka, Takayuki Hirano, Eri Nagasaki-Maeoka, Shinsuke Yoshizawa, Shota Uekusa, Hiroyuki Kawashima, Kensuke Ohashi, Kiminobu Sugito, Noboru Fukuda, Hiroki Nagase, Masayoshi Soma, Toshinori Ozaki, Tsugumichi Koshinaga, Kyoko Fujiwara
Neuroblastoma is a childhood malignancy originating from the sympathetic nervous system and accounts for approximately 15% of all pediatric cancer-related deaths. To newly identify gene(s) implicated in the progression of neuroblastoma, we investigated aberrantly methylated genomic regions in mouse skin tumors. Previously, we reported that TFAP2E, a member of activator protein-2 transcription factor family, is highly methylated within its intron and its expression is strongly suppressed in mouse skin tumors compared with the normal skin...
February 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260078/upregulation-of-microrna-125b-5p-is-involved-in-the-pathogenesis-of-osteoarthritis-by-downregulating-syvn1
#14
Feng-Xiao Ge, Haitao Li, Xin Yin
Osteoarthritis (OA) is a degenerative disease characterized by deterioration of articular cartilage. The aim of this study was to identify and characterize the expression of microRNA-125b-5p (miR-125b-5p) in normal and OA synovial cells, and to determine its role in OA pathogenesis. First, the levels of miR-125b-5p and synoviolin 1 (SYVN1) were detected among normal, mild OA and severe OA groups with the use of quantitative PCR. Computational analysis was used to search for the target of the miR-125b-5p, and luciferase reporter assay system was used to validate SYVN1 as the target gene of miR-125b-5p...
February 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260027/pstat5-and-erk-exhibit-different-expression-in-myeloproliferative-neoplasms
#15
Ewa Wiśniewska-Chudy, Łukasz Szylberg, Grzegorz Dworacki, Ewa Mizera-Nyczak, Andrzej Marszałek
Myeloproliferative neoplasms (MPNs) are clonal hematopoietic progenitor cell disorders characterized by the proliferation of one or more hematopoietic lineages. The classical MPNs include polycythemia vera (PV), essential thrombocythemia (ET) and primary myelofibrosis (PMF) entities. These disorders are characterized by bone marrow morphology typical for each disease, and by the presence of JAK2V617F mutation in the marrow and blood. However, JAK2V617F cannot account for the phenotypic heterogeneity of MPNs because approximately half of all cases of ET and PMF show no evidence of this molecular marker...
February 24, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260092/increased-expression-of-hoxb9-in-hepatocellular-carcinoma-predicts-poor-overall-survival-but-a-beneficial-response-to-sorafenib
#16
Naokazu Chiba, Yosuke Ozawa, Kosuke Hikita, Masaaki Okihara, Toru Sano, Koichi Tomita, Kiminori Takano, Shigeyuki Kawachi
At advanced stages of hepatocellular carcinoma (HCC), the multikinase inhibitor sorafenib is the only effective treatment. Surrogate markers that predict the biological and clinical efficacy of sorafenib may help tailor treatment on an individual patient basis. In the present study, the clinical significance of the expression of HOXB9, a transcriptional factor, in HCC was assessed. Increased HOXB9 expression in HCC was found to be positively correlated with the expression of angiogenic factors, increased vascular invasion and was found to be associated with poor overall patient survival...
February 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260090/actin-like-protein-6a-is-a-novel-prognostic-indicator-promoting-invasion-and-metastasis-in-osteosarcoma
#17
Wei Sun, Wanchun Wang, Jian Lei, Hui Li, Yi Wu
Osteosarcoma harbors highly metastatic properties, accounting for postoperative recurrence and metastasis. Actin-like protein 6A (ACTL6A) regulates cell proliferation, migration and differentiation. However, the biologic role of ACTL6A in osteosarcoma remains unknown. In this study, the results showed that, by analysis of frozen fresh primary tumor tissues, matched non-cancerous bone tissues (NCBTs) and biopsy lung metastatic nodule tissues from 30 osteosarcoma patients after radical surgical resection, ACTL6A was overexpressed in osteosarcoma tissues compared with matched NCBTs, and its expression level was associated with osteosarcoma metastasis...
February 23, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260073/foxm1-regulates-glycolysis-in-hepatocellular-carcinoma-by-transactivating-glucose-transporter-1-expression
#18
Runze Shang, Meng Pu, Yu Li, Desheng Wang
The Forkhead box M1 (FOXM1) transcription factor plays crucial roles in the initiation and progression of various malignancies, including hepatocellular carcinoma (HCC). However, the mechanism by which FOXM1 regulates cancer metabolism remains unclear. In the present study, overexpression and RNA interference (RNAi) approaches were used to investigate the role of FOXM1 in the regulation of glycolysis in vitro. Luciferase reporter assays were used to explore the transcriptional regulation of the glucose transporter 1 (GLUT1) promoter by FOXM1...
February 22, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260012/novel-quantitative-analysis-of-the-s100p-protein-combined-with-endoscopic-ultrasound-guided-fine-needle-aspiration-cytology-in-the-diagnosis-of-pancreatic-adenocarcinoma
#19
Masafumi Chiba, Hiroo Imazu, Masayuki Kato, Keiichi Ikeda, Hiroshi Arakawa, Tomohiro Kato, Kazuki Sumiyama, Sadamu Homma
Specimens obtained with endoscopic ultrasound-guided fine needle aspiration (EUS-FNA) are often tiny and fragmented leading to an inconclusive and doubtful diagnosis. To overcome the limitations of EUS-FNA in the cytological diagnosis of pancreatic adenocarcinoma (PCA), we evaluated whether quantification of the S100P protein combined with EUS-FNA reliably discriminated between PCA and benign pancreatic lesions (BPL). A high sensitivity sandwich ELISA for S100P protein was developed to aid in the detection of PCA in small samples obtained using EUS-FNA...
February 21, 2017: Oncology Reports
https://www.readbyqxmd.com/read/28260109/absence-of-malat1-does-not-prevent-den-induced-hepatocarcinoma-in-mice
#20
Stéphanie Miard, Marie-Josée Girard, Philippe Joubert, Sophie Carter, Amy Gonzales, Huiping Guo, Benjamin Morpurgo, Louise Boivin, Andrei Golovko, Frédéric Picard
Long non-coding RNAs (lncRNA) are key regulators of gene expression both at the transcriptional and post-transcriptional levels. The lncRNA metastasis associated lung adenocarcinoma transcript 1 (Malat1) is overexpressed in many types of cancer, including hepatocarcinoma, and induces cell proliferation in several cell lines in vitro. However, the direct causal effects of Malat1 on hepatocyte proliferation and liver carcinogenesis in vivo are not fully understood. To better determine the contribution of Malat1 to hepatocarcinoma oncogenesis, this study was aimed at testing the hypothesis that its absence confers resistance to the development of liver tumors...
February 20, 2017: Oncology Reports
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