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https://www.readbyqxmd.com/read/27918105/resveratrol-inhibits-proliferation-invasion-and-epithelial-mesenchymal-transition-by-increasing-mir-200c-expression-in-hct-116-colorectal-cancer-cells
#1
Fatemeh Karimi Dermani, Massoud Saidijam, Razieh Amini, Ali Mahdavinezhad, Korosh Heydari, Rezvan Najafi
OBJECTIVE: Colorectal cancer (CRC) is one of the most common malignancies, associated with high rates of relapse. A notable challenge in treatment is low response rate to current therapies for advanced CRC. The miR-200c plays an essential role in tumor suppression by inhibiting epithelial-mesenchymal transition (EMT). Resveratrol, a natural compound found in red wine, reveals anti-cancer properties in several types of cancers such as CRC. The aim of current study was to evaluate the effects of resveratrol on proliferation, apoptosis and invasion of HCT-116 cells and also expression of EMT-related genes in presences or absence of miR-200c...
December 5, 2016: Journal of Cellular Biochemistry
https://www.readbyqxmd.com/read/27898661/methyl-cpg-binding-domain-3-inhibits-epithelial-mesenchymal-transition-in-pancreatic-cancer-cells-via-tgf-%C3%AE-smad-signalling
#2
Min Xu, Junbo He, Jie Li, Wen Feng, Hailang Zhou, Hong Wei, Meng Zhou, Ying Lu, Jian Zeng, Wanxin Peng, Fengyi Du, Aihua Gong
BACKGROUND: Methyl-CpG-binding domain 3 (MBD3) is an aberrant expression in human malignancies. However, the role of MBD3 in pancreatic cancer progression remains to be clarified. In this study, we investigated the effects of MBD3 on the epithelial-mesenchymal transition (EMT), and the underlying mechanism in pancreatic cancer cells. METHODS: The abilities of migration and invasion were examined by transwell and BD Matrigel invasion assays. EMT and TGF-β/Smad signalling were evaluated...
November 29, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27896223/urokinase-type-plasminogen-activator-receptor-upar-as-a-new-therapeutic-target-in-cancer
#3
Nunzia Montuori, Ada Pesapane, Francesca W Rossi, Valentina Giudice, Amato De Paulis, Carmine Selleri, Pia Ragno
The urokinase (uPA)-type plasminogen activator receptor (uPAR) is a GPI-anchored receptor that focuses urokinase (uPA) proteolytic activity on the cell surface. uPAR also regulates cell adhesion, migration and proliferation, protects from apoptosis and contributes to epithelial mesenchymal transition (EMT), independently of uPA enzymatic activity. Indeed, uPAR interacts with beta1, beta2 and beta3 integrins, thus regulating their activities. uPAR cross-talks with receptor tyrosine kinases through integrins and regulates cancer cell dormancy, proliferation and angiogenesis...
November 2016: Translational Medicine @ UniSa
https://www.readbyqxmd.com/read/27893715/tgf%C3%AE-promotes-mesenchymal-phenotype-of-pancreatic-cancer-cells-in-part-through-epigenetic-activation-of-vav1
#4
P-H Huang, P-J Lu, L-Y Ding, P-C Chu, W-Y Hsu, C-S Chen, C-C Tsao, B-H Chen, C-T Lee, Y-S Shan, C-S Chen
The highly homeostasis-resistant nature of cancer cells leads to their escape from treatment and to liver metastasis, which in turn makes pancreatic ductal adenocarcinoma (PDAC) difficult to treat, especially the squamous/epithelial-to-mesenchymal transition (EMT)-like subtype. As the molecular mechanisms underlying tumour heterogeneity remain elusive, we investigated whether epigenetic regulation might explain inter-individual differences in the progression of specific subtypes. DNA methylation profiling performed on cancer tissues prior to chemo/radiotherapy identified one hypermethylated CpG site (CpG6882469) in the VAV1 gene body that was correlated with demethylation of two promoter CpGs (CpG6772370/CpG6772811) in both PDAC and peripheral blood...
November 28, 2016: Oncogene
https://www.readbyqxmd.com/read/27884772/ovol2-gene-inhibits-the-epithelial-to-mesenchymal-transition-in-lung-adenocarcinoma-by-transcriptionally-repressing-twist1
#5
Zhi-Hai Wang, Zhong Li, Meng Hu, Qing-Jie Yang, Shen Yan, Rong-Si Wu, Bo-An Li, Ming Guo
BACKGROUND: Associated with recent achievements in therapy for advanced lung adenocarcinoma, there will still be an unmet medical need for effective treatment of stage IIIb/IV, and the prognosis of lung cancer is not optimistic till now. OBJECTIVE: In order to obtain some essential evidences for a potential targeted therapy in lung adenocarcinoma, the effects of Ovol2 gene on Epithelial-to-Mesenchymal Transition (EMT) was observed and the probable mechanisms were analyzed...
November 21, 2016: Gene
https://www.readbyqxmd.com/read/27884164/hyaluronan-synthase-2-expressed-by-cancer-associated-fibroblasts-promotes-oral-cancer-invasion
#6
Ziwen Zhang, Detao Tao, Ping Zhang, Xue Liu, Yuchao Zhang, Jie Cheng, Hua Yuan, Laikui Liu, Hongbing Jiang
BACKGROUND: Hyaluronan synthases (HAS) control the biosynthesis of hyaluronan (HA) and critically modulate the tumor microenviroment. Cancer-associated fibroblasts (CAFs) affect the progression of a tumor by remolding the matrix. However, little is known about the role of HAS from CAFs in this process. This study aimed to determine the role of hyaluronan synthase 2 (HAS2) from CAFs in the progression of oral squamous cell carcinoma (OSCC) invasion. METHODS: HAS isoforms 1, 2, and 3 in paired sets of CAFs and normal fibroblasts (NFs) were examined by real-time PCR, and the expression of HAS2 and α-SMA in OSCC tissue sections was further evaluated using immunohistochemical staining...
November 25, 2016: Journal of Experimental & Clinical Cancer Research: CR
https://www.readbyqxmd.com/read/27884159/monoacylglycerol-lipase-promotes-progression-of-hepatocellular-carcinoma-via-nf-%C3%AE%C2%BAb-mediated-epithelial-mesenchymal-transition
#7
Weiping Zhu, Yiming Zhao, Jiamin Zhou, Xin Wang, Qi Pan, Ning Zhang, Longrong Wang, Miao Wang, Dihua Zhan, Zeyang Liu, Xigan He, Dening Ma, Shuang Liu, Lu Wang
BACKGROUND: Monoacylglycerol lipase (MAGL), a critical lipolytic enzyme, has emerged as a key regulator of tumor progression, yet its biological function and clinical significance in hepatocellular carcinoma (HCC) is still unknown. METHODS: In this study, we used a tissue microarray containing samples from 170 HCC patients to evaluate the expression of MAGL and its correlation with other clinicopathologic characteristics. In addition, we investigated the regulating effects of MAGL on various HCC lines...
November 25, 2016: Journal of Hematology & Oncology
https://www.readbyqxmd.com/read/27884016/expression-profiling-of-budding-cells-in-colorectal-cancer-reveals-an-emt-like-phenotype-and-molecular-subtype-switching
#8
Linde De Smedt, Sofie Palmans, Daan Andel, Olivier Govaere, Bram Boeckx, Dominiek Smeets, Eva Galle, Jasper Wouters, David Barras, Madeleine Suffiotti, Jeroen Dekervel, Thomas Tousseyn, Gert De Hertogh, Hans Prenen, Sabine Tejpar, Diether Lambrechts, Xavier Sagaert
BACKGROUND: Tumour budding, described as the presence of single cells or small clusters of up to five tumour cells at the invasive margin, is established as a prognostic marker in colorectal carcinoma. In the present study, we aimed to investigate the molecular signature of tumour budding cells and the corresponding tumour bulk. METHODS: Tumour bulk and budding areas were microdissected and processed for RNA-sequencing. As little RNA was obtained from budding cells, a special low-input mRNA library preparation protocol was used...
November 24, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27878953/long-non-coding-rna-linc00261-suppresses-gastric-cancer-progression-via-promoting-slug-degradation
#9
Yingcong Yu, Linjin Li, Zhiqiang Zheng, Senrui Chen, Ende Chen, Yiren Hu
Gastric cancer (GC) remains a threat to public health with high incidence and mortality worldwide. Increasing evidence demonstrates that long non-coding RNAs (lncRNAs) play critical regulatory roles in cancer biology, including GC. Previous profiling study showed that lncRNA linc00261 was aberrantly expressed in GC. However, the role of linc00261 in GC progression and the precise molecular mechanism remain unknown. In this study, we report that linc00261 was significantly down-regulated in GC tissues and the expression level of linc00261 negatively correlated with advanced tumour status and clinical stage as well as poor prognostic outcome...
November 23, 2016: Journal of Cellular and Molecular Medicine
https://www.readbyqxmd.com/read/27876712/mir-30a-decreases-multidrug-resistance-mdr-of-gastric-cancer-cells
#10
Chunying Li, Jinhai Zou, Guoqi Zheng, Jiankun Chu
BACKGROUND The effectiveness of chemotherapy for gastric cancer is largely limited by either intrinsic or acquired drug resistance. In this study, we aimed to explore the association between miR-30a dysregulation and multidrug resistance (MDR) in gastric cancer cells. MATERIAL AND METHODS We recruited 20 patients with advanced gastric cancer. Chemosensitivity was assessed after completion of the chemotherapy. SGC-7901 and SGC-7901/DDP cells were transfected for miR-30a overexpression or knockdown. Then, MTT assay was performed to assess the IC50 of DPP and 5-FU in SGC-7901 and SGC-7901/DDP cells...
November 23, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27869168/mir-127-promotes-emt-and-stem-like-traits-in-lung-cancer-through-a-feed-forward-regulatory-loop
#11
L Shi, Y Wang, Z Lu, H Zhang, N Zhuang, B Wang, Z Song, G Chen, C Huang, D Xu, Y Zhang, W Zhang, Y Gao
The coordination between cellular differentiation and the mesenchymal/stem transition is essential for both embryo development and neoplasia, suggesting a mechanistic link between these two major processes. In this work we show that miR-127, an embryo-expressing lung miRNA, was prominently induced in lung adenocarcinoma and correlated with poor prognosis. Elevated miR-127 level drove a pronounced shift from the epithelial to the mesenchymal phenotype in cancer cells, and this shift was associated with their acquisition of stem-like traits, increased resistance to the epidermal growth factor receptor inhibitor and tumor-propagating potential...
November 21, 2016: Oncogene
https://www.readbyqxmd.com/read/27869167/cystine-addiction-of-triple-negative-breast-cancer-associated-with-emt-augmented-death-signaling
#12
X Tang, C-K Ding, J Wu, J Sjol, S Wardell, I Spasojevic, D George, D P McDonnell, D S Hsu, J T Chang, J-T Chi
Despite the advances in the diagnosis and treatment of breast cancer, breast cancers still cause significant mortality. For some patients, especially those with triple-negative breast cancer, current treatments continue to be limited and ineffective. Therefore, there remains an unmet need for a novel therapeutic approach. One potential strategy is to target the altered metabolic state that is rewired by oncogenic transformation. Specifically, this rewiring may render certain outside nutrients indispensable...
November 21, 2016: Oncogene
https://www.readbyqxmd.com/read/27836980/proteome-profiling-outperforms-transcriptome-profiling-for-co-expression-based-gene-function-prediction
#13
Jing Wang, Zihao Ma, Steven A Carr, Philipp Mertins, Hui Zhang, Zhen Zhang, Daniel W Chan, Matthew J C Ellis, R Reid Townsend, Richard D Smith, Jason E McDermott, Xian Chen, Amanda G Paulovich, Emily S Boja, Mehdi Mesri, Christopher R Kinsinger, Henry Rodriguez, Karin D Rodland, Daniel C Liebler, Bing Zhang
Co-expression of mRNAs under multiple conditions is commonly used to infer co-functionality of their gene products despite well-known limitations of this "guilt-by-association" (GBA) approach. Recent advancements in mass spectrometry-based proteomic technologies have enabled global expression profiling at the protein level; however, whether proteome profiling data can outperform transcriptome profiling data for co-expression based gene function prediction has not been systematically investigated. Here, we address this question by constructing and analyzing mRNA and protein co-expression networks for three cancer types with matched mRNA and protein profiling data from The Cancer Genome Atlas (TCGA) and the Clinical Proteomic Tumor Analysis Consortium (CPTAC)...
November 11, 2016: Molecular & Cellular Proteomics: MCP
https://www.readbyqxmd.com/read/27834356/cdc6-expression-is-induced-by-hpv16-e6-and-e7-oncogenes-and-represses-e-cadherin-expression
#14
E Faghihloo, M Sadeghizadeh, S Shahmahmoodi, T Mokhtari-Azad
Cervical cancer is one of the most common cancers in women worldwide, and its development is related to two viral oncoproteins E6 and E7 from high-risk human papillomaviruses. Aberrant expression of E-cadherin is associated with epithelial-to-mesenchymal transition (EMT), and it is frequently seen in cervical cancer. However, the underlying mechanisms involved in E-cadherin suppression in cervical cancer are not clear. We studied the effects of human papillomavirus 16 (HPV16) E6 and E7 on E-cadherin and Cdc6 (cell division cycle 6) expression in the HCT-116 cell line...
November 11, 2016: Cancer Gene Therapy
https://www.readbyqxmd.com/read/27833687/application-of-circumferential-compression-device-binder-in-pelvic-injuries-room-for-improvement
#15
Rahul Vaidya, Matthew Roth, Bradley Zarling, Sarah Zhang, Christopher Walsh, Jessica Macsuga, John Swartz
INTRODUCTION: The use of a noninvasive pelvic circumferential compression device (PCCD) to achieve pelvic stabilization by both decreasing pelvic volume and limiting inter-fragmentary motion has become commonplace, and is a well-established component of Advanced Trauma Life Support (ATLS) protocol in the treatment of pelvic ring injuries. The purpose of this study was to evaluate the following: 1) how consistently a PCCD was placed on patients who arrived at our hospital with unstable pelvic ring injuries; 2) if they were placed in a timely manner; and 3) if hemodynamic instability influenced their use...
November 2016: Western Journal of Emergency Medicine
https://www.readbyqxmd.com/read/27832663/mir-146a-5p-mediates-epithelial-mesenchymal-transition-of-oesophageal-squamous-cell-carcinoma-via-targeting-notch2
#16
Cong Wang, Wenxue Zhang, Lin Zhang, Xuan Chen, Fang Liu, Jing Zhang, Shanghui Guan, Yi Sun, Pengxiang Chen, Ding Wang, Effat Un Nesa, Yufeng Cheng, George M Yousef
BACKGROUND: Our previous study found that dysregulated microRNA-146a-5p (miR-146a-5p) is involved in oesophageal squamous cell cancer (ESCC) proliferation. This article aimed to evaluate its detailed mechanisms in ESCC epithelial-mesenchymal transition (EMT) progression. METHODS: Invasion assay, qRT-PCR and western blotting were used to validate the roles of miR-146a-5p and Notch2 in EMT progression. miRNA target gene prediction databases and dual-luciferase reporter assay were used to validate the target gene...
December 6, 2016: British Journal of Cancer
https://www.readbyqxmd.com/read/27832627/trpp2-enhances-metastasis-by-regulating-epithelial-mesenchymal-transition-in-laryngeal-squamous-cell-carcinoma
#17
Kaile Wu, Bing Shen, Feifei Jiang, Lin Xia, Taotao Fan, Maolin Qin, Lianqiang Yang, Jizheng Guo, Yifan Li, Min Zhu, Juan Du, Yehai Liu
BACKGROUND/AIM: Surgery and chemotherapy treatments of human laryngeal squamous cell carcinoma (HLSCC) may fail due to metastasis, in which epithelial-mesenchymal transition (EMT) plays an important role. TRPP2, a nonselective cation channel, is expressed in various cell types and participates in many biological processes. Here, we show that TRPP2 enhanced metastasis by regulating EMT. METHODS: We used immunohistochemistry, western blotting, Ca2+ imaging, transwell and wound healing assays to investigate TRPP2 expression levels in HLSCC tissue, and the role of TRPP2 in invasion and metastasis of a human laryngocarcinoma cell line (Hep2 cell)...
2016: Cellular Physiology and Biochemistry
https://www.readbyqxmd.com/read/27822421/dual-specificity-phosphatase-5-is-a-novel-prognostic-indicator-for-patients-with-advanced-colorectal-cancer
#18
Xuebing Yan, Liguo Liu, Hao Li, Linsheng Huang, Mingming Yin, Cheng Pan, Huanlong Qin, Zhiming Jin
Dual specificity phosphatase 5 (DUSP5) is a negative regulator of Mitogen-activated protein kinase (MAPK) signaling pathway and has recently been identified as a tumor suppressor in several human malignancies. However, its clinical significance in colorectal cancer (CRC) remains unclear. In this study, we aimed to investigate the potential utility of DUSP5 as a novel biomarker for progression indication and chemotherapy benefit in CRC patients. Through quantitative real time-polymerase chain reaction and western blot, we determined that DUSP5 expression is dramatically lower in CRC tissues than that in matched normal tissues...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27822407/exosomes-mediate-micrornas-transfer-in-breast-cancer-chemoresistance-regulation
#19
REVIEW
Juliana Carvalho Santos, Marcelo Lima Ribeiro, Luis Otávio Sarian, Manoela Marques Ortega, Sophie Françoise Derchain
Breast cancer is the most common and fatal type of cancer in women worldwide due to the metastatic process and resistance to treatment. Despite advances in molecular knowledge, little is known regarding resistance to chemotherapy. One highlighted aspect is the DNA damage response (DDR) pathway that is activated upon genotoxic damage, controlling the cell cycle arrest or DNA repair activation. Recently, studies have showed that cancer stem cells (CSCs) could promote chemoresistance through DDR pathway. Furthermore, it is known that the epithelial-mesenchymal transition (EMT) can generate cells with CSCs characteristics and therefore regulate the chemoresistance process...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27819674/mmtv-cre-ccn6-knockout-mice-develop-tumors-recapitulating-human-metaplastic-breast-carcinomas
#20
E E Martin, W Huang, T Anwar, C Arellano-Garcia, B Burman, J-L Guan, M E Gonzalez, C G Kleer
Metaplastic breast carcinoma is an aggressive form of invasive breast cancer with histological evidence of epithelial to mesenchymal transition (EMT). However, the defining molecular events are unknown. Here we show that CCN6 (WISP3), a secreted matricellular protein of the CCN (CYR61/CTGF/NOV) family, is significantly downregulated in clinical samples of human spindle cell metaplastic breast carcinoma. We generated a mouse model of mammary epithelial-specific Ccn6 deletion by developing a floxed Ccn6 mouse which was bred with an MMTV-Cre mouse...
November 7, 2016: Oncogene
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