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Oncogene

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https://www.readbyqxmd.com/read/28454471/downregulation-of-fkbp14-by-rna-interference-inhibits-the-proliferation-adhesion-and-invasion-of-gastric-cancer-cells
#1
Ruizhong Wang, Hua Fang, Qin Fang
FK506 binding protein (FBBP) 14 belongs to the family of FKBPs. Altered expression of FKBPs are observed in several malignancies. The present study aimed to explore the expression and biological function of FKBP14 in gastric cancer. FKBP14 expression levels in 40 gastric cancer samples and matched control samples were evaluated using quantitative polymerase chain reaction. Cell proliferation was evaluated using Cell Counting kit-8 assay. A cell adhesion and a Transwell assay were performed to detect cell adhesion and invasion...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454466/identification-of-molecular-characteristics-induced-by-radiotherapy-in-rectal-cancer-based-on-microarray-data
#2
Chang Ge, Mengxia Wu, Guifang Chen, Guanying Yu, Dehui Ji, Shaozhao Wang
The present study aimed to reveal the molecular characteristics induced by radiotherapy in rectal cancer at the transcriptome level. Microarray data (ID, GSE26027) downloaded from the Gene Expression Omnibus database were re-analyzed to identify differentially expressed genes (DEGs) between rectal cancer tissues during and prior to radiotherapy. The DEGs were then inputted into the database for annotation, visualization and integrated discovery, an online tool to perform enrichment analyses, and into the search tool for the retrieval of interacting genes/proteins database to identify protein-protein interactions (PPIs)...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454430/wt1-associated-protein-is-a-novel-prognostic-factor-in-pancreatic-ductal-adenocarcinoma
#3
Bing-Qi Li, Shuai Huang, Qian-Qian Shao, Jian Sun, Li Zhou, Lei You, Tai-Ping Zhang, Quan Liao, Jun-Chao Guo, Yu-Pei Zhao
Although Wilms tumor 1 (WT1)-associated protein (WTAP) was initially found to be a specific WT1-binding protein, it has increasingly attracted attention because of its oncogenic role in various types of malignancies, including cholangiocarcinoma, glioblastoma and acute myeloid leukemia. However, the clinical impact of WTAP on pancreatic ductal adenocarcinoma (PDAC) is still unknown. A total of 145 patients who underwent surgical treatment from 2004 to 2008 were enrolled in the present study. The cytoplasmic and nuclear expression of WTAP in tumor and adjacent normal tissues was examined by immunohistochemical analysis in order to investigate the relationship between WTAP and the clinicopathological factors and prognosis of patients with PDAC...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454423/the-nutritional-herb-epimedium-grandiflorum-inhibits-the-growth-in-a-model-for-the-luminal-a-molecular-subtype-of-breast-cancer
#4
Nitin T Telang, Gou Li, Meena Katdare, Daniel W Sepkovic, H Leon Bradlow, George Y C Wong
The Luminal A subtype of breast cancer expresses the estrogen receptor (ER)-α and progesterone receptor (PR), but not the human epidermal growth factor receptor (HER)-2 oncogene. This subtype of breast cancer responds to endocrine therapy involving the use of selective estrogen receptor modulators and/or inhibitors of estrogen biosynthesis. However, these therapeutic agents are frequently associated with long-term systemic toxicity and acquired tumor resistance, emphasizing the need to identify non-toxic alternative treatments for chemo-endocrine therapy responsive breast cancer...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454397/sphingosine-kinase-1-a-novel-independent-prognosis-biomarker-in-hepatocellular-carcinoma
#5
Huajie Cai, Xuemeng Xie, Ling Ji, Xiaojiao Ruan, Zhihai Zheng
Sphingosine kinase 1 (Sphk1) is an oncogenic kinase that is responsible for the phosphorylation of sphingosine to sphingosine-1-phosphate (S1P). Mounting evidence suggests that Sphk1 serves a crucial role in the proliferation and development of a variety of human cancer cells. However, the role of Sphk1 in hepatocellular carcinoma (HCC) has not been fully elucidated. Therefore, the expression of Sphk1 was examined in 127 formalin-fixed, paraffin-embedded HCC tissues using immunohistochemistry, and its clinical implications and prognostic significance were analyzed...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454391/upregulation-of-kin17-is-associated-with-non-small-cell-lung-cancer-invasiveness
#6
Yuzhao Zhang, Senlin Huang, Hongyi Gao, Kunhe Wu, Xiaoming Ouyang, Zheng Zhu, Xiaobin Yu, Tao Zeng
Kin17 DNA and RNA binding protein (Kin17) is a highly conserved protein that participates in DNA replication, DNA repair and cell cycle progression. Recently, the tumor-promoting function of Kin17 has been demonstrated and increasingly studied. In the present study, the role of Kin17 in the invasion and metastasis of non-small cells lung cancer (NSCLC) was investigated. Elevated Kin17 mRNA and protein expression was identified in a total of 97 NSCLC and benign lung lesion tissue specimens. Kin17 overexpression was significantly correlated with high tumor grade and lymph node metastasis, indicating poor patient prognosis...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454362/growth-of-tyrosine-kinase-inhibitor-resistant-philadelphia-positive-acute-lymphoblastic-leukemia-role-of-bone-marrow-stromal-cells
#7
Cheng Zhang, Xi Zhang, Shi-Jie Yang, Xing-Hua Chen
Human bone marrow stromal cells (hBMSCs) may contribute to the growth of tyrosine kinase inhibitor (TKI)-resistant chronic myelogenous leukemia (CML). However, there are certain differences in biology between CML and Philadelphia-positive acute lymphoblastic leukemia (Ph(+) ALL). Little is known about the role and mechanism of hBMSCs on the growth of TKI-resistant Ph(+) ALL. The current study co-cultured hBMSCs with the TKI-resistant SUP-B15. Next, the proliferation of SUP-B15 was detected using a Cell Counting Kit-8...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454357/expression-regulation-and-function-of-mir-495-in-healthy-and-tumor-tissues
#8
Hongli Chen, Xiaman Wang, Ju Bai, Aili He
MicroRNA-495 (miR-495) is a small non-coding RNA encoded by a gene located on chromosome 14 (14q32.31). Its expression is regulated by the transcription factors EF12 and EF47, in addition to promoter methylation status and the fusion oncoprotein mixed-lineage leukemia-AF9. Previous studies suggest that miR-495 is involved in various developmental, immunological and inflammatory processes in healthy tissue, and in the proliferation, invasion, metastasis and drug resistance of cancer cells. The role miR-495 serves in tumors is controversial...
April 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454350/mir-455-5p-functions-as-a-potential-oncogene-by-targeting-galectin-9-in-colon-cancer
#9
Qianqian Yang, Chen Hou, Da Huang, Chunbo Zhuang, Weichao Jiang, Zhi Geng, Xiaobei Wang, Lihua Hu
Although there is evidence that galectin-9 is a critical factor in health and disease, the upstream regulatory microRNA (miRNA or miR) of the protein remains poorly defined. miR-455-5p is characterized as a tumor-associated miRNA in cancer research. However, the actual role of miR-455-5p with respect to inhibiting or promoting tumorigenesis in colon cancer is unclear. The present study aimed to investigate the expression, role and target regulation association of galectin-9 and miR-455-5p in colon cancer. Western blot analysis and reverse transcription-quantitative polymerase chain reaction were used for the detection of the expression levels of galectin-9 and miRNAs...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454348/effects-of-ptcs-on-nonsense-mediated-mrna-decay-are-dependent-on-ptc-location
#10
Heegyum Moon, Xuexiu Zheng, Tiing Jen Loh, Ha Na Jang, Yongchao Liu, Da-Woon Jung, Darren R Williams, Haihong Shen
The récepteur d'origine nantais (RON) gene is a proto-oncogene that is responsible for encoding the human macrophage-stimulating protein (MSP) 1 receptor. MSP activation induces RON-mediated cell dissociation, migration and matrix invasion. Isoforms of RON that exclude exons 5 and 6 encode the RONΔ160 protein, which promotes cell transformation in vitro and tumor metastasis in vivo. Premature termination codons (PTCs) in exons activate the nonsense-mediated mRNA decay (NMD) signaling pathway. The present study demonstrated that PTCs at various locations in the alternative exons 5 and 6 could induce NMD of the majority of the spliced, or partially spliced, isoforms...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454346/microrna-134-targets-kras-to-suppress-breast-cancer-cell-proliferation-migration-and-invasion
#11
Xiaomei Su, Ling Zhang, Hua Li, Peng Cheng, Yajie Zhu, Zhen Liu, Yu Zhao, Hongyu Xu, Dong Li, Hui Gao, Tao Zhang
The expression patterns and functions of microRNA-134 (miR-134) have been previously studied in numerous types of cancer. To the best of our knowledge, this is the first study of miR-134 in human breast cancer. In the present study, the expression patterns, biological functions and underlying molecular mechanisms of miR-134 in human breast cancer were investigated. Reverse transcription-quantitative polymerase chain reaction evaluated the expression of miR-134 in human breast cancer tissues, matched normal adjacent tissues, breast cancer cell lines and a normal mammary epithelial cell line...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454325/mir-600-inhibits-cell-proliferation-migration-and-invasion-by-targeting-p53-in-mutant-p53-expressing-human-colorectal-cancer-cell-lines
#12
Peili Zhang, Zhigui Zuo, Aihua Wu, Wenjing Shang, Ruichun Bi, Qike Jin, Jianbo Wu, Lei Jiang
Mutations of the tumor protein p53 gene, a tumor suppressor, are one of the most frequent genetic alterations observed in cancer. It has been reported that mutations in p53 result in the loss of wild-type p53 activity, and the gain of novel oncogenic properties that promote tumor growth and progression. Recent studies have demonstrated that a number of microRNAs (miRs) are involved in the post-transcriptional regulation of p53. The present study demonstrates that miR-600 is a direct negative regulator of p53 through binding a site in the 3' untranslated region of p53 mRNA in human colorectal cancer (CRC) cells...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454307/mir-141-promotes-colon-cancer-cell-proliferation-by-inhibiting-map2k4
#13
Lei Ding, Li-Li Yu, Ning Han, Bu-Tian Zhang
MicroRNAs (miRNAs or miRs) can function as tumor-suppressor or oncogenic genes. Upregulation of miRNA-141 has been frequently observed in colorectal cancer (CRC) samples. The experimentally observed targets of miR-141 include the tumor-suppressor gene mitogen-activated protein kinase kinase 4 (MAP2K4). The aim of the present study was to investigate the role of miR-141 in the proliferation of colonic cancer. Western blotting, immunohistochemistry and reverse transcription-quantitative polymerase chain reaction were used to detect the expression levels of miR-141 and MAP2K4 in colonic adenocarcinoma (CAC) and adjacent non-cancerous (NC) tissue samples, as well as in human CAC cell lines (HT29, T94 and LS174)...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454296/association-between-braf-v600e-mutation-and-the-clinicopathological-features-of-solitary-papillary-thyroid-microcarcinoma
#14
Hai-Zhen Lu, Tian Qiu, Jian-Ming Ying, Ning Lyn
The B-Raf proto-oncogene serine/threonine kinase (BRAF)(V600E) mutation is an important oncogene in the development of papillary thyroid carcinoma (PTC) and has been identified as a risk factor for poor prognosis in patients with PTC. However, whether the BRAF(V600E) mutation is a prognostic marker in patients with solitary papillary thyroid microcarcinoma (sPTMC) has not yet been established. The present study aimed to identify the association between BRAF(V600E) mutation and the clinicopathological features of patients with sPTMC...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454295/nima-related-kinase-2-regulates-hepatocellular-carcinoma-cell-growth-and-proliferation
#15
Xiao-Bo Lai, Yu-Qiang Nie, Hong-Li Huang, Ying-Fei Li, Chuang-Yu Cao, Hui Yang, Bo Shen, Zhi-Qiang Feng
NIMA-related kinase 2 (Nek2) is often upregulated in human cancer and is important in regulating the cell cycle and gene expression, and maintaining centrosomal structure and function. The present study aimed to investigate the expression pattern, clinical significance, and biological function of Nek2 in hepatocellular carcinoma (HCC). mRNA and protein levels of Nek2 were examined in HCC and corresponding normal liver tissues. The MTT and soft agar colony formation assays, and flow cytometry were employed to assess the roles of Nek2 in cell proliferation and growth...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454270/fosb-transcription-factor-regulates-cox-2-expression-in-colorectal-cancer-cells-without-affecting-pge2-expression
#16
Diana Lizeth Cervantes-Madrid, Sabah Nagi, Annika Asting Gustafsson
The expression levels of cyclooxygenase (COX)-2 and the prostaglandin E2 (PGE2) content have been associated with poor prognosis in patients with colorectal cancer (CRC). There is a strong correlation between COX-2 expression and PGE2 production in tissues from CRC patients, suggesting an important role for COX-2 on the regulation of PGE2 production. Previous studies by the present authors, where CRC patients were divided into high- or low-COX-2 expressing tumors, displayed important differences in the expression levels of several transcription factors involved in carcinogenesis...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454262/aberrant-klk4-gene-promoter-hypomethylation-in-pediatric-hepatoblastomas
#17
Baihui Liu, Ximao Cui, Shan Zheng, Kuiran Dong, Rui Dong
DNA methylation has a crucial role in cancer biology and has been recognized as an activator of oncogenes and inactivator of tumor suppressor genes, both of which are mechanisms for tumorigenesis. Kallikrein-related peptidase 4 (KLK4), has been suggested to be an oncogene in various types of cancer. The aim of the present study was to assess the DNA methylation patterns of the KLK4 gene in cancerous samples harvested from patients with hepatoblastoma (HB). KLK4 mRNA expression levels were detected using reverse transcription-quantitative polymerase chain reaction and assessed its DNA methylation patterns using high-throughput mass spectrometry on a matrix-assisted laser desorption/ionization time-of-flight mass array...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454253/expression-and-clinical-significance-of-yap-in-laryngeal-squamous-cell-carcinoma-patients
#18
Shijie Qiu, Zhaoxia Xia, Qun Li, Dong Ye, Qi Huang, Zhisen Shen
The aim of the present study was to investigate the expression levels of Yes-associated protein (YAP) in different grades of laryngeal squamous cell carcinoma (LSCC) tissues and vocal cord polyps tissues, and to investigate any correlations with clinical factors. The expression of YAP in 128 cases of LSCC and 10 cases of vocal cord polyps tissues was tested using immunohistochemistry. YAP was primarily present in the nucleus of LSCC and controls, whereas phosphorylated YAP expression was present in the cytoplasm...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454216/microrna-31-functions-as-an-oncogenic-microrna-in-cutaneous-squamous-cell-carcinoma-cells-by-targeting-rhotbt1
#19
Nengxing Lin, Yu Zhou, Xin Lian, Yating Tu
Cutaneous squamous cell carcinoma (cSCC) is a malignancy of epidermal keratinocytes that is responsible for ~20% of annual skin cancer-associated mortalities. Accumulating evidence demonstrates that the dysregulation of micro (mi)RNAs serves a significant role in the tumorigenesis and progression of human cSCC. MicroRNA-31 (miR-31) is upregulated in cSCC and is involved in cSCC development. However, the underlying mechanism remains unclear. The present study demonstrated that miR-31 is upregulated in the cSCC cell line, A-431, and that miR-31 expression contributes to the cell proliferation and invasion of cSCC...
March 2017: Oncology Letters
https://www.readbyqxmd.com/read/28454214/genome-wide-analysis-of-gynecologic-cancer-the-cancer-genome-atlas-in-ovarian-and-endometrial-cancer
#20
Moito Iijima, Kouji Banno, Ryuichiro Okawa, Megumi Yanokura, Miho Iida, Takashi Takeda, Haruko Kunitomi-Irie, Masataka Adachi, Kanako Nakamura, Kiyoko Umene, Yuya Nogami, Kenta Masuda, Eiichiro Tominaga, Daisuke Aoki
Cancer typically develops due to genetic abnormalities, but a single gene abnormality cannot completely account for the onset of cancer. The Cancer Genome Atlas (CGA) project was conducted for the cross-sectional genome-wide analysis of numerous genetic abnormalities in various types of cancer. This approach has facilitated the identification of novel AT-rich interaction domain 1A gene mutations in ovarian clear cell carcinoma, frequent tumor protein 53 (TP53) gene mutations in high-grade ovarian serous carcinoma, and Kirsten rat sarcoma and B-rapidly accelerated fibrosarcoma proto-oncogene, serine/threonine kinase gene mutations in low-grade ovarian serous carcinoma...
March 2017: Oncology Letters
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