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https://www.readbyqxmd.com/read/29775749/a-novel-oncogene-urg4-urgcp-and-its-role-in-cancer
#1
REVIEW
Yavuz Dodurga, Mücahit Seçme, N Lale Şatıroğlu-Tufan
Oncogenes are mutated form of normal cellular genes called as proto-oncogenes and conduce to the cancer development process. Despite the fact that so many genes have been described, new genes with oncogenic characteristic and potential or tumor supressoring activity are still being defined. Recently, Up-regulated gene 4/Upregulator of cell proliferation (URG4/URGCP), a novel gene, induced by hepatitis-Bvirus-encoded X antigen (HBxAg), has been identified. URG4/URGCP gene was registered to the National Center for Biotechnology Information-GenBank (NCBI-GenBank, Entrez GeneID: 55665 and Entrez Nucleotide ID NM_017920)...
May 15, 2018: Gene
https://www.readbyqxmd.com/read/29767241/transcriptome-sequencing-analysis-reveals-the-effect-of-combinative-treatment-with-low%C3%A2-intensity-pulsed-ultrasound-and-magnesium-ions-on-hfob1-19-human-osteoblast-cells
#2
Haiyue Zu, Xueting Yi, Dewei Zhao
Biodegradable magnesium (Mg) materials are considered ideal as osteosynthesis implants. However, clinical application has proven complex. This is primarily associated with the issue of reducing the extent of implant degradation to a range acceptable for the human body, while simultaneously enhancing osteogenesis or osteoinduction. In the present study, a combination of Mg ions and low‑intensity pulsed ultrasound (LIPUS) treatment was applied in hFOB 1.19 human osteoblast cells as a potential strategy to resolve this issue...
May 11, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29766503/transcriptome-analysis-of-potential-mirna-involved-in-adipogenic-differentiation-of-c2c12-myoblasts
#3
Ye Hou, Liangliang Fu, Jingjin Li, Jingxuan Li, Yunxia Zhao, Yu Luan, An Liu, Huiying Liu, Xinyun Li, Shuhong Zhao, Changchun Li
>Emerging evidence indicates that microRNA (miRNA) plays an important role in adipogenesis and disease pathogenesis. To investigate the miRNA involved in regulating different periods of adipogenesis, we performed a comprehensive study on microRNAome during the stimulation of adipogenesis by an adipogenic differentiation cocktail in C2C12 myoblasts at 0, 2, 4, and 7 days using the Solexa sequencing technology. In this study, we identified 52 differentially expressed (DE) miRNA. Functional annotation indicated that the target genes of DE miRNA were mostly enriched in adipogenic transdifferentiation and fat metabolism-related pathways, including Wnt, mitogen-activated protein kinase (MAPK), and insulin signaling...
May 16, 2018: Lipids
https://www.readbyqxmd.com/read/29749516/downregulation-of-n%C3%A2-myc-inhibits-neuroblastoma-cell-growth-via-the-wnt-%C3%AE-%C3%A2-catenin-signaling-pathway
#4
Yingge Wang, Shan Gao, Weiguang Wang, Yuting Xia, Jingyan Liang
Neuroblastoma, one of the most common types of cancer in childhood, is commonly treated with surgery, radiation and chemotherapy. However, prognosis and survival remain poor for children with high‑risk neuroblastoma. Therefore, the identification of novel, effective therapeutic targets is necessary. N‑Myc, a proto‑oncogene protein encoded by the v‑myc avial myelocytomatosis viral oncogene neuroblastoma derived homolog (MYCN) gene, is associated with tumorigenesis. In the present study, the effect of N‑Myc silencing on MYCN‑amplified CHP134 and BE‑2C neuroblastoma cells was evaluated, and the underlying molecular mechanism was investigated...
May 3, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29749503/a-gene-interaction-network%C3%A2-based-method-to-measure-the-common-and-heterogeneous-mechanisms-of-gynecological-cancer
#5
Mingyuan Wang, Liping Li, Jinglan Liu, Jinjin Wang
Gynecological malignancies are a leading cause of mortality in the female population. The present study intended to identify the association between three severe types of gynecological cancer, specifically ovarian cancer, cervical cancer and endometrial cancer, and to identify the connective driver genes, microRNAs (miRNAs) and biological processes associated with these types of gynecological cancer. In the present study, individual driver genes for each type of cancer were identified using integrated analysis of multiple microarray data...
May 3, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29748184/dual-suppressive-effect-of-microrna-34a-on-the-foxm1-eef2-kinase-axis-regulates-triple-negative-breast-cancer-growth-and-invasion
#6
Recep Bayraktar, Cristina Ivan, Emine Bayraktar, Pinar Kanlikilicer, Nashwa Kabil, Nermin Kahraman, Hamada Ahmed Mokhlis, Didem Karakas, Cristian Rodriguez-Aguayo, Ahmet Arslan, Jianting Sheng, Stephen Tc Wong, Gabriel Lopez-Berestein, George A Calin, Bulent Ozpolat
Purpose - Recent studies indicated that dysregulation of non-coding RNAs (ncRNAs) such as microRNAs (miRNAs) is involved in pathogenesis of various human cancers. However, the molecular mechanisms underlying miR-34a are not fully understood in triple-negative breast cancer (TNBC). Experimental Design- We performed  in vitro  functional assays on TNBC cell lines to investigate the role of miR-34a in FOXM1/eEF2K signaling axis. TNBC tumor xenograft models were used for in vivo therapeutic delivery of miR-34a...
May 10, 2018: Clinical Cancer Research: An Official Journal of the American Association for Cancer Research
https://www.readbyqxmd.com/read/29742497/prognostic-value-of-phosphotyrosine-phosphatases-in-hepatocellular-carcinoma
#7
Guangyan Zhangyuan, Yin Yin, Wenjie Zhang, WeiWei Yu, Kangpeng Jin, Fei Wang, Ruyi Huang, Haiyuan Shen, Xiaochen Wang, Beicheng Sun
BACKGROUND/AIMS: During the occurrence and progression of hepatocellular carcinoma (HCC), phosphotyrosine phosphatases (PTPs) are usually described as tumor suppressors or proto-oncogenes, and to some degree are correlated with the prognosis of HCC. METHODS: A total of 321 patients from the Cancer Genome Atlas (TCGA) database and 180 patients from our validated cohort with hepatocellular carcinoma were recruited in this study. Kaplan-Meier, univariate and multivariate Cox proportional hazards model were used to evaluate the risk factors for survival...
May 4, 2018: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/29740493/bioinformatic-analysis-and-prediction-of-the-function-and-regulatory-network-of-long-non-coding-rnas-in-hepatocellular-carcinoma
#8
Ming-Rong Cao, Ze-Ping Han, Ji-Ming Liu, Yu-Guang Li, Yu-Bing Lv, Jia-Bin Zhou, Jin-Hua He
Computational analysis and bioinformatics have significantly advanced the ability of researchers to process and analyze biological data. Molecular data from human and model organisms may facilitate drug target validation and identification of biomarkers with increased predictive accuracy. The aim of the present study was to investigate the function of long non-coding RNAs (lncRNAs) in hepatocellular carcinoma (HCC) using online databases, and to predict their regulatory mechanism. HCC-associated lncRNAs, their downstream transcription factors and microRNAs (miRNAs/miRs), as well as the HCC-associated target genes, were identified using online databases...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29738763/3d-culture-system-containing-gellan-gum-restores-oncogene-dependence-in-ros1-rearrangements-non-small-cell-lung-cancer
#9
Bo Gong, Tomoko Oh-Hara, Naoya Fujita, Ryohei Katayama
The ROS1 fusion gene has been identified in approximately 1% of non-small cell lung cancer (NSCLC) cases. Several clinical studies have highlighted ROS1 as a promising therapeutic target because crizotinib, a multi-targeted drug against ROS1, ALK, and the MET proto-oncogene, has elicited remarkable responses in ROS1-rearrangements NSCLC. However, acquired resistance mediated by ROS1 kinase domain mutations has been identified and a system to assess ROS1 inhibitors for these resistant mutations is necessary for the promotion of drug development...
May 5, 2018: Biochemical and Biophysical Research Communications
https://www.readbyqxmd.com/read/29731866/microrna-hsa-let-7e-5p-as-a-potential-prognosis-marker-for-rectal-carcinoma-with-liver-metastases
#10
Wenfeng Chen, Guosheng Lin, Yizhou Yao, Jishen Chen, Hanli Shui, Qinghai Yang, Xiaoya Wang, Xiaoyuan Weng, Ling Sun, Fei Chen, Sheng Yang, Yufeng Yang, Yongjian Zhou
MicroRNAs (miRNAs) are post-transcriptional regulators of gene expression that target mRNAs for translational repression or cleavage. The present study was conducted to identify differentially expressed miRNAs in primary tumor tissues of rectal carcinoma (RC) that may be associated with heterochrony hepatic metastasis (HHM). Samples were collected exclusively from patients with RC but not colon cancer (CC); Next-generation high-throughput sequencing technology and bioinformatics tools were used to profile and analyze small RNAs and their corresponding targets in primary tumor tissues with HHM (n=2) or without metastases (non-metastatic, NM; n=2)...
May 2018: Oncology Letters
https://www.readbyqxmd.com/read/29717655/hypoxia-inducible-factor-1%C3%AE-hif-1%C3%AE-expression-on-endothelial-cells-in-juvenile-nasopharyngeal-angiofibroma-a-review-of-70-cases-and-tissue-microarray-analysis
#11
Xiaole Song, Chenhe Yang, Huankang Zhang, Jingjing Wang, Xicai Sun, Li Hu, Zhuofu Liu, Dehui Wang
OBJECTIVE: To examine the expression of hypoxia-inducible factor-1α (HIF-1α) and its related molecules (cellular repressor of E1A-stimulated genes [CREG], osteopontin [OPN], proto-oncogene tyrosine-protein kinase Src [c-Src], and vascular endothelial growth factor [VEGF]) in juvenile nasopharyngeal angiofibroma (JNA) and explore the correlation between clinical prognosis and HIF-1α expression. METHODS: The study performed a retrospective review of the clinical records of patients with JNA treated between 2003 and 2007...
April 1, 2018: Annals of Otology, Rhinology, and Laryngology
https://www.readbyqxmd.com/read/29715580/expression-of-p27-and-c-myc-by-immunohistochemistry-in-breast-ductal-cancers-in-african-american-women
#12
Farhan Khan, Luisel J Ricks-Santi, Rabia Zafar, Yasmine Kanaan, Tammey Naab
OBJECTIVES: Proteins p27 and c-Myc are both key players in the cell cycle. While p27, a tumor suppressor, inhibits progression from G1 to S phase, c-Myc, a proto-oncogene, plays a key role in cell cycle regulation and apoptosis. The objective of our study was to determine the association between expression of c-Myc and the loss of p27 by immunohistochemistry (IHC) in the four major subtypes of breast cancer (BC) (Luminal A, Luminal B, HER2, and Triple Negative) and with other clinicopathological factors in a population of 202 African-American (AA) women...
April 5, 2018: Annals of Diagnostic Pathology
https://www.readbyqxmd.com/read/29710216/association-of-dasatinib-with-progression-free-survival-among-patients-with-advanced-gastrointestinal-stromal-tumors-resistant-to-imatinib
#13
Scott M Schuetze, Vanessa Bolejack, Dafydd G Thomas, Margaret von Mehren, Shreyaskumar Patel, Brian Samuels, Edwin Choy, Gina D'Amato, Arthur P Staddon, Kristen N Ganjoo, Warren A Chow, Daniel A Rushing, Charles A Forscher, Dennis A Priebat, David M Loeb, Rashmi Chugh, Scott Okuno, Denise K Reinke, Laurence H Baker
Importance: Gastrointestinal stromal tumors (GISTs) are life-threatening when metastatic or not amenable to surgical removal. In a few patients with advanced GISTs refractory to imatinib mesylate, treatment with sunitinib malate followed by regorafenib provides tumor control; however, additional active treatments are needed for most patients. Objective: To evaluate the 6-month progression-free survival (PFS), tumor objective response, and overall survival rates in patients with GISTs treated with dasatinib...
April 26, 2018: JAMA Oncology
https://www.readbyqxmd.com/read/29707316/single-nucleotide-polymorphisms-of-casitas-b-lineage-lymphoma-proto-oncogene-b-predict-outcomes-of-patients-with-advanced-non-small-cell-lung-cancer-after-first-line-platinum-based-doublet-chemotherapy
#14
Peng Li, Hong-Liang Liu, Zhi-Qiang Zhang, Xiao-Dong Lv, Yu-Xi Chang, Hui-Juan Wang, Jie Ma, Zhi-Yong Ma, Xiu-Juan Qu, Yue-E Teng
Background: Casitas B-lineage lymphoma proto-oncogene-b (CBLB) influences the threshold of T cell activation and controlling peripheral T cell tolerance. In the present study, we hypothesize that potentially functional single nucleotide polymorphisms (SNPs) in CBLB are associated with clinical outcomes in patients advanced non-small cell lung cancer (NSCLC) treated with the first-line chemotherapy. Methods: We genotyped three SNPs (rs2305035, rs3772534 and rs9657904) at CBLB in 116 advanced NSCLC patients with progression free survival (PFS) data and 133 advanced NSCLC patients with overall survival (OS) data, and we assessed their associations, 95% confidence interval (CI), with clinical outcomes by using Cox proportional hazards regression analyses...
March 2018: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/29700305/the-therapeutic-effect-of-mir-125b-is-enhanced-by-the-prostaglandin-endoperoxide-synthase-2-cyclooxygenase-2-blockade-and-hampers-ets1-in-the-context-of-the-microenvironment-of-bone-metastasis
#15
Paola Maroni, Paola Bendinelli, Emanuela Matteucci, Maria Alfonsina Desiderio
Bone is the most common site for breast cancer spread. In the pro-metastatic cell line 1833, derived from MDA-MB-231 breast adenocarcinoma cells, both hypoxia and hepatocyte growth factor (HGF) influence the effect of miR-125b on ETS proto-oncogene 1 transcription factor (ETS1). The effect of hypoxia inducible factor 1 alpha subunit (HIF1A), known to promote metastatic spread by upregulating prostaglandin endoperoxide synthase 2 (PTGS2), may be dampened by miR-125b targeting PTGS2. Here, we investigated whether miR-125b plays a role in breast cancer metastasis by measuring its activity in response to the chemotherapeutic agent NS-398 in a xenograft model...
April 27, 2018: Cell Death & Disease
https://www.readbyqxmd.com/read/29693167/hbx-promotes-the-proliferative-ability-of-hl%C3%A2-7702-cells-via-the-cox%C3%A2-2-wnt-%C3%AE-%C3%A2-catenin-pathway
#16
Bi-Yun Zheng, Wen-Yu Gao, Xiao-Yun Huang, Li-Ying Lin, Xue-Fen Fang, Zhi-Xin Chen, Xiao-Zhong Wang
Hepatitis B virus X protein (HBx) has been termed a viral oncoprotein, and is involved in the initiation and progression of hepatocellular carcinoma (HCC). Cyclooxygenase‑2 (COX‑2) and β‑catenin have been attributed to the oncogenic activity of HBx in HBV‑associated HCC. The present study aimed to determine whether there is crosstalk between COX‑2 and the Wnt/β‑catenin signaling pathway during HL‑7702‑HBx cell proliferation, and to investigate the associated underlying molecular mechanism...
April 20, 2018: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29692982/oncogenes-in-immune-cells-as-potential-therapeutic-targets
#17
REVIEW
Gulnur K Zakiryanova, Sarah Wheeler, Michael R Shurin
The role of deregulated expression of oncogenes and tumor-suppressor genes in tumor development has been intensively investigated for decades. However, expression of oncogenes and their potential role in immune cell defects during carcinogenesis and tumor progression have not been thoroughly assessed. The defects in proto-oncogenes have been well documented and evaluated mostly in tumor cells, despite the fact that proto-oncogenes are expressed in all cells, including cells of the immune system. In this review, key studies from immune-mediated diseases that may be associated with oncogene signaling pathways are refocused to provide groundwork for beginning to understand the effects of oncogenes in and on the cancer-related immune system dysfunction...
2018: ImmunoTargets and Therapy
https://www.readbyqxmd.com/read/29690543/memory-function-in-feeding-habit-transformation-of-mandarin-fish-siniperca-chuatsi
#18
Yaqi Dou, Shan He, Xu-Fang Liang, Wenjing Cai, Jie Wang, Linjie Shi, Jiao Li
Mandarin fish refuse dead prey fish or artificial diets and can be trained to transform their inborn feeding habit. To investigate the effect of memory on feeding habit transformation, we compared the reaction time to dead prey fish and the success rate of feeding habit transformation to dead prey fish with training of mandarin fish in the 1st experimental group (trained once) and the 2nd experimental group (trained twice). The mandarin fish in the 2nd group had higher success rate of feeding habit transformation (100%) than those in the 1st group (67%), and shorter reaction time to dead prey fish (<1 s) than those in the 1st group (>1 s)...
April 22, 2018: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/29688601/de-novo-mutations-in-the-set-nuclear-proto-oncogene-encoding-a-component-of-the-inhibitor-of-histone-acetyltransferases-inhat-complex-in-patients-with-non-syndromic-intellectual-disability
#19
Servi Jc Stevens, Vyne van der Schoot, Magalie S Leduc, Tuula Rinne, Seema R Lalani, Marjan M Weiss, Johanna M van Hagen, Augusta Ma Lachmeijer, Sylvia G Stockler-Ipsiroglu, Anna Lehman, Han G Brunner
The role of disturbed chromatin remodelling in the pathogenesis of intellectual disability (ID) is well established and illustrated by de novo mutations found in a plethora of genes encoding for proteins of the epigenetic regulatory machinery. We describe mutations in the "SET nuclear proto-oncogene" (SET), encoding a component of the "inhibitor of acetyltransferases" (INHAT) complex, involved in transcriptional silencing. Using whole exome sequencing, four patients were identified with de novo mutations in the SET gene...
April 24, 2018: Human Mutation
https://www.readbyqxmd.com/read/29687846/screening-and-functional-analysis-of-micro-rnas-that-regulate-the-expression-of-the-tumor-suppression-tp53-gene
#20
L-K Li, Z-H Kong
OBJECTIVE: With gradual increase of cancer incidence and mortality rates, the regulatory mechanism of cancer has become a hotspot. It has been known that the expression of TP53 is closely associated with the occurrence of cancer. The microRNA (miRNA)-mediated regulation of the expression of numerous proto-oncogenes has been reported. This study aimed to identify miRNAs that regulate the expression of TP53 gene. MATERIALS AND METHODS: The sequence of TP53 gene was downloaded from NCBI and analyzed with TargetScan software to predict potential miRNAs that regulate TP53 expression...
April 2018: European Review for Medical and Pharmacological Sciences
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