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Epcam cadherin cancer

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https://www.readbyqxmd.com/read/29305171/susd2-promotes-cancer-metastasis-and-confers-cisplatin-resistance-in-high-grade-serous-ovarian-cancer
#1
Ying Xu, Chunying Miao, Chengjuan Jin, Chunping Qiu, Yinuo Li, Xiaomei Sun, Min Gao, Nan Lu, Beihua Kong
The activation of Notch3 is associated with potential progression of ovarian cancer, tumor invasion, metastasis and chemoresistance, which account for poor prognosis of high grade serous ovarian cancer (HGSOC). However, the underlying mechanisms of Notch3 are not yet very clear. Here we show that SUSD2 is one of Notch3-regulating genes and the elevated protein expression of SUSD2 in HGSOC. We also found that its high expression level was significantly correlated with worse overall survival, early recurrence and lymph nodes metastasis...
January 2, 2018: Experimental Cell Research
https://www.readbyqxmd.com/read/29286098/luteolin-inhibits-pancreatitis%C3%A2-induced-acinar%C3%A2-ductal-metaplasia-proliferation-and-epithelial%C3%A2-mesenchymal-transition-of-acinar-cells
#2
Xince Huang, Pravin Avinash Bhugul, Gang Fan, Tingting Ye, Shihao Huang, Shengjie Dai, Bicheng Chen, Mengtao Zhou
Luteolin, a flavone, has been demonstrated to have anti‑cancer properties. In the current study, the effects of luteolin on certain carcinogenesis‑associated changes induced by pancreatitis, which are significant risk factors for pancreatic cancer, were investigated. Male six‑week‑old C57BL6 mice used in the current study were divided into three groups; the control group, acute pancreatitis group and luteolin group. Intra‑peritoneal injection of cearulein was performed in the acute pancreatitis group and luteolin group to induce acute pancreatitis whereas the luteolin group received intra‑peritoneal injection of luteolin...
December 20, 2017: Molecular Medicine Reports
https://www.readbyqxmd.com/read/29277653/microrna-191-regulated-by-hif-2%C3%AE-is-involved-in-emt-and-acquisition-of-a-stem-cell-like-phenotype-in-arsenite-transformed-human-liver-epithelial-cells
#3
Chao Chen, Qianlei Yang, Dapeng Wang, Fei Luo, Xinlu Liu, Junchao Xue, Ping Yang, Hui Xu, Jiachun Lu, Aihua Zhang, Qizhan Liu
Inorganic arsenic is widely distributed in the environment, and epidemiologic data show a strong association between arsenic exposure and risk of liver cancer. An understanding of the mechanisms underlying development of liver cancer and metastasis would be useful in reducing the incidence and mortality of liver cancer. MicroRNAs (miRs) act as regulators in liver cancer. Here, we show that acute or chronic exposure of human liver epithelial L-02 cells to arsenite increased expression of miR-191. There were decreased levels of BASP-1 and E-cadherin and increased levels of WT-1 and N-cadherin, indicating that arsenite induced epithelial-mesenchymal transition (EMT)...
December 22, 2017: Toxicology in Vitro: An International Journal Published in Association with BIBRA
https://www.readbyqxmd.com/read/29040564/n-cadherin-identifies-human-endometrial-epithelial-progenitor-cells-by-in-vitro-stem-cell-assays
#4
Hong P T Nguyen, L Xiao, James A Deane, Ker-Sin Tan, Fiona L Cousins, Hirotaka Masuda, Carl N Sprung, Anna Rosamilia, Caroline E Gargett
STUDY QUESTION: Is there a specific surface marker that identifies human endometrial epithelial progenitor cells with adult stem cell activity using in vitro assays? SUMMARY ANSWER: N-cadherin isolates clonogenic, self-renewing human endometrial epithelial progenitor cells with high proliferative potential that differentiate into cytokeratin+ gland-like structures in vitro and identifies their location in some cells of gland profiles predominantly in basalis endometrium adjacent to the myometrium...
November 1, 2017: Human Reproduction
https://www.readbyqxmd.com/read/29039496/gsk-3%C3%AE-inhibitor-6-bromo-indirubin-3-oxime-promotes-both-adhesive-activity-and-drug-resistance-in-colorectal-cancer-cells
#5
Kunping Liu, Jinbang Li, Xuefang Wu, Meixiang Chen, Feng Luo, Jun Li
Multi-targets inhibitor 6-bromo-indirubin-3'-oxime (BIO) has diverse biological effects on cancer cells. The key component of the β-catenin destruction complex glycogen synthase kinase 3β (GSK-3β), one of the major target for BIO, polyubiquitination and degradation of the main oncoprotein β-catenin in colorectal cancer (CRC). In the present study, we evaluated the effect of BIO on drug resistance and biological properties of CRC cells. Whole-genome transcriptional profiling revealed that differentially expressed genes were mainly centered on well-characterized signaling pathways including stem cell, cell adhesion and cell growth in BIO-treated CRC cells...
October 16, 2017: International Journal of Oncology
https://www.readbyqxmd.com/read/28889351/multidimensional-phenotyping-of-breast-cancer-cell-lines-to-guide-preclinical-research
#6
Jodi M Saunus, Chanel E Smart, Jamie R Kutasovic, Rebecca L Johnston, Priyakshi Kalita-de Croft, Mariska Miranda, Esdy N Rozali, Ana Cristina Vargas, Lynne E Reid, Eva Lorsy, Sibylle Cocciardi, Tatjana Seidens, Amy E McCart Reed, Andrew J Dalley, Leesa F Wockner, Julie Johnson, Debina Sarkar, Marjan E Askarian-Amiri, Peter T Simpson, Kum Kum Khanna, Georgia Chenevix-Trench, Fares Al-Ejeh, Sunil R Lakhani
PURPOSE: Cell lines are extremely useful tools in breast cancer research. Their key benefits include a high degree of control over experimental variables and reproducibility. However, the advantages must be balanced against the limitations of modelling such a complex disease in vitro. Informed selection of cell line(s) for a given experiment now requires essential knowledge about molecular and phenotypic context in the culture dish. METHODS: We performed multidimensional profiling of 36 widely used breast cancer cell lines that were cultured under standardised conditions...
September 9, 2017: Breast Cancer Research and Treatment
https://www.readbyqxmd.com/read/28875602/poorly-differentiated-clusters-in-colorectal-adenocarcinomas-share-biological-similarities-with-micropapillary-patterns-as-well-as-tumor-buds
#7
Mineui Hong, Jeong Won Kim, Mi Kyung Shin, Byung Chun Kim
In colorectal carcinoma, poorly differentiated clusters (PDCs) are a poor prognostic indicator and show morphological continuity and behavioral similarities to micropapillary patterns (MPPs) as well as tumor buds (TBs). Epithelial-mesenchymal transition (EMT) and inhibition of cancer-stromal interactions may contribute to the development of PDCs. To clarify the biological nature of PDCs, we examined immunohistochemical stainings for β-catenin, Ki-67, E-cadherin, epithelial cell adhesion molecule (EpCAM), MUC1, and epithelial membrane antigen (EMA), which are associated with EMT and cancer-stromal interactions...
October 2017: Journal of Korean Medical Science
https://www.readbyqxmd.com/read/28648142/overcoming-intratumoural-heterogeneity-for-reproducible-molecular-risk-stratification-a-case-study-in-advanced-kidney-cancer
#8
Alexander L R Lubbock, Grant D Stewart, Fiach C O'Mahony, Alexander Laird, Peter Mullen, Marie O'Donnell, Thomas Powles, David J Harrison, Ian M Overton
BACKGROUND: Metastatic clear cell renal cell cancer (mccRCC) portends a poor prognosis and urgently requires better clinical tools for prognostication as well as for prediction of response to treatment. Considerable investment in molecular risk stratification has sought to overcome the performance ceiling encountered by methods restricted to traditional clinical parameters. However, replication of results has proven challenging, and intratumoural heterogeneity (ITH) may confound attempts at tissue-based stratification...
June 26, 2017: BMC Medicine
https://www.readbyqxmd.com/read/28623900/characterization-of-microrna-200-pathway-in-ovarian-cancer-and-serous-intraepithelial-carcinoma-of-fallopian-tube
#9
Junzheng Yang, Yilan Zhou, Shu-Kay Ng, Kuan-Chun Huang, Xiaoyan Ni, Pui-Wah Choi, Kathleen Hasselblatt, Michael G Muto, William R Welch, Ross S Berkowitz, Shu-Wing Ng
BACKGROUND: Ovarian cancer is the leading cause of death among gynecologic diseases in Western countries. We have previously identified a miR-200-E-cadherin axis that plays an important role in ovarian inclusion cyst formation and tumor invasion. The purpose of this study was to determine if the miR-200 pathway is involved in the early stages of ovarian cancer pathogenesis by studying the expression levels of the pathway components in a panel of clinical ovarian tissues, and fallopian tube tissues harboring serous tubal intraepithelial carcinomas (STICs), a suggested precursor lesion for high-grade serous tumors...
June 17, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28327103/morphological-and-phenotypical-features-of-ovarian-metastases-in-breast-cancer-patients
#10
Inge T A Peters, Merle A van der Steen, Bertine W Huisman, Carina G J M Hilders, Vincent T H B M Smit, Alexander L Vahrmeijer, Cornelis F M Sier, J Baptist Trimbos, Peter J K Kuppen
BACKGROUND: Autotransplantation of frozen-thawed ovarian tissue is a method to preserve ovarian function and fertility in patients undergoing gonadotoxic therapy. In oncology patients, the safety cannot yet be guaranteed, since current tumor detection methods can only exclude the presence of malignant cells in ovarian fragments that are not transplanted. We determined the need for a novel detection method by studying the distribution of tumor cells in ovaries from patients with breast cancer...
March 21, 2017: BMC Cancer
https://www.readbyqxmd.com/read/28076331/a-short-term-intervention-with-selenium-affects-expression-of-genes-implicated-in-the-epithelial-to-mesenchymal-transition-in-the-prostate
#11
Dieuwertje E G Kok, Lambertus A L M Kiemeney, Gerald W Verhaegh, Jack A Schalken, Emile N J T van Lin, J P Michiel Sedelaar, J Alfred Witjes, Christina A Hulsbergen-van de Kaa, Pieter van 't Veer, Ellen Kampman, Lydia A Afman
In parallel with the inconsistency in observational studies and chemoprevention trials, the mechanisms by which selenium affects prostate cancer risk have not been elucidated. We conducted a randomized, placebo-controlled trial to examine the effects of a short-term intervention with selenium on gene expression in non-malignant prostate tissue. Twenty-three men received 300 µg selenium per day in the form of selenized yeast (n=12) or a placebo (n=11) during 5 weeks. Prostate biopsies collected from the transition zone before and after intervention were analysed for 15 participants (n=8 selenium, n=7 placebo)...
February 7, 2017: Oncotarget
https://www.readbyqxmd.com/read/27932757/-expressions-of-epithelial-cell-adhesion-molecule-vimentin-and-n-cadherin-in-molecular-subtypes-of-breast-cancer-and-the-correlation-among-them
#12
Limei Fu, Min Liu, Xuemei Yu, Xinjun Li
To examine the expressions of epithelial cell adhesion molecule (EpCAM), vimentin and N-cadherin in breast cancer and its molecular subtypes, and to explore the correlation among them.
 Methods: The expressions of EpCAM, vimentin and N-cadherin were detected by immunohistochemistry in 835 patients with breast cancer, and their correlations with clinical pathological features and prognosis were analyzed.
 Results: The expression rates of EpCAM, vimentin and N-cadherin in the patients were 53.4%, 11.4% and 9...
November 28, 2016: Zhong Nan da Xue Xue Bao. Yi Xue Ban, Journal of Central South University. Medical Sciences
https://www.readbyqxmd.com/read/27417942/method-for-semi-automated-microscopy-of-filtration-enriched-circulating-tumor-cells
#13
Emma Pailler, Marianne Oulhen, Fanny Billiot, Alexandre Galland, Nathalie Auger, Vincent Faugeroux, Corinne Laplace-Builhé, Benjamin Besse, Yohann Loriot, Maud Ngo-Camus, Merouan Hemanda, Colin R Lindsay, Jean-Charles Soria, Philippe Vielh, Françoise Farace
BACKGROUND: Circulating tumor cell (CTC)-filtration methods capture high numbers of CTCs in non-small-cell lung cancer (NSCLC) and metastatic prostate cancer (mPCa) patients, and hold promise as a non-invasive technique for treatment selection and disease monitoring. However filters have drawbacks that make the automation of microscopy challenging. We report the semi-automated microscopy method we developed to analyze filtration-enriched CTCs from NSCLC and mPCa patients. METHODS: Spiked cell lines in normal blood and CTCs were enriched by ISET (isolation by size of epithelial tumor cells)...
July 14, 2016: BMC Cancer
https://www.readbyqxmd.com/read/27157930/gene-expression-profiling-of-single-circulating-tumor-cells-in%C3%A2-ovarian-cancer-establishment-of-a-multi-marker-gene-panel
#14
Christina Blassl, Jan Dominik Kuhlmann, Alessandra Webers, Pauline Wimberger, Tanja Fehm, Hans Neubauer
The presence of circulating tumor cells (CTCs) in the blood of ovarian cancer patients was shown to correlate with decreased overall survival, whereby CTCs with epithelial-mesenchymal-transition (EMT) or stem-like traits are supposed to be involved in metastatic progression and recurrence. Thus, investigating the transcriptional profiles of CTCs might help to identify therapy resistant tumor cells and to overcome treatment failure. For this purpose, we established a multi-marker panel for the molecular characterization of single CTCs, detecting epithelial (EpCAM, Muc-1, CK5/7), EMT (N-cadherin, Vimentin, Snai1/2, CD117, CD146, CD49f) and stem cell (CD44, ALDH1A1, Nanog, SOX2, Notch1/4, Oct4, Lin28) associated transcripts...
August 2016: Molecular Oncology
https://www.readbyqxmd.com/read/27101285/circulating-tumor-cell-composition-in-renal-cell-carcinoma
#15
Ivonne Nel, Thomas C Gauler, Kira Bublitz, Lazaros Lazaridis, André Goergens, Bernd Giebel, Martin Schuler, Andreas-Claudius Hoffmann
PURPOSE: Due to their minimal-invasive yet potentially current character circulating tumor cells (CTC) might be useful as a "liquid biopsy" in solid tumors. However, successful application in metastatic renal cell carcinoma (mRCC) has been very limited so far. High plasticity and heterogeneity of CTC morphology challenges currently available enrichment and detection techniques with EpCAM as the usual surface marker being underrepresented in mRCC. We recently described a method that enables us to identify and characterize non-hematopoietic cells in the peripheral blood stream with varying characteristics and define CTC subgroups that distinctly associate to clinical parameters...
2016: PloS One
https://www.readbyqxmd.com/read/27021602/transcriptome-profile-of-the-early-stages-of-breast-cancer-tumoral-spheroids
#16
Rosario Pacheco-Marín, Jorge Melendez-Zajgla, Gonzalo Castillo-Rojas, Edna Mandujano-Tinoco, Alfredo Garcia-Venzor, Salvador Uribe-Carvajal, Alfredo Cabrera-Orefice, Carolina Gonzalez-Torres, Javier Gaytan-Cervantes, Irma B Mitre-Aguilar, Vilma Maldonado
Oxygen or nutrient deprivation of early stage tumoral spheroids can be used to reliably mimic the initial growth of primary and metastatic cancer cells. However, cancer cell growth during the initial stages has not been fully explored using a genome-wide approach. Thus, in the present study, we investigated the transcriptome of breast cancer cells during the initial stages of tumoral growth using RNAseq in a model of Multicellular Tumor Spheroids (MTS). Network analyses showed that a metastatic signature was enriched as several adhesion molecules were deregulated, including EPCAM, E-cadherin, integrins and syndecans, which were further supported by an increase in cell migration...
March 29, 2016: Scientific Reports
https://www.readbyqxmd.com/read/26946151/identification-of-cell-surface-markers-for-detecting-breast-cancer-cells-in-ovarian-tissue
#17
Inge T A Peters, Carina G J M Hilders, Cornelis F M Sier, Alexander L Vahrmeijer, Vincent T H B M Smit, J Baptist Trimbos, Peter J K Kuppen
PURPOSE: The safety of ovarian tissue autotransplantation in oncology patients cannot be ensured, as current tumor-detection methods compromise the ovarian tissue viability. Although non-destructive methods (for instance near-infrared fluorescence imaging) can discriminate malignant from healthy tissues while leaving the examined tissues unaffected, they require specific cell-surface tumor markers. We determined which tumor markers are suitable targets for tumor-specific imaging to exclude the presence of breast cancer cells in ovarian tissue...
August 2016: Archives of Gynecology and Obstetrics
https://www.readbyqxmd.com/read/26849897/%C3%AE-catenin-is-important-for-cancer-stem-cell-generation-and-tumorigenic-activity-in-nasopharyngeal-carcinoma
#18
Rui Jiang, Xiaoshuang Niu, Yuxiang Huang, Xiaosheng Wang
Nasopharyngeal carcinoma (NPC) is one of the most common malignant tumors with poor prognosis and recurrence in South China. The hard eradication of NPC in clinic is predominantly due to cancer stem cells (CSCs). Increasing evidence revealed that the aberrant activation of Wnt/β-catenin was positively correlated with the produce of CSCs. To further investigate the effect of β-catenin on CSCs and tumorigenesis in NPC, a CNE2 cell line (pLKO.1-sh-β-catenin-CNE2) with stably suppressed expression of β-catenin was used in this study...
March 2016: Acta Biochimica et Biophysica Sinica
https://www.readbyqxmd.com/read/26790446/contribution-of-in-vitro-comparison-of-colorectal-carcinoma-cells-from-primary-and-metastatic-lesions-to-elucidation-of-mechanisms-of-tumor-progression-and-response-to-anticancer-therapy
#19
COMPARATIVE STUDY
Lukáš Krbal, Veronika Hanušová, Jiří Soukup, Stanislav John, Petra Matoušková, Aleš Ryška
Colorectal cancer has been a leading cause of cancer-related morbidity and mortality. For the research and individualization of therapy, primary cell lines of the colorectal cancer appear to be still an invaluable tool. We evaluated the differences in metastatic potential between four isolated primary colon cancer cells and cells derived from their lymph node metastasis. These results were compared with correspond immortalized cells-SW480 and SW620, respectively. The ability to migrate was tested using real-time measurement in xCELLigence system...
July 2016: Tumour Biology: the Journal of the International Society for Oncodevelopmental Biology and Medicine
https://www.readbyqxmd.com/read/26493939/the-role-of-epcam-in-physiology-and-pathology-of-the-epithelium
#20
REVIEW
Agnieszka Martowicz, Andreas Seeber, Gerold Untergasser
Epithelial Cell Adhesion Molecule (EpCAM) has been discovered as one of the first tumor-specific antigens overexpressed in epithelial cancer. The present review focuses on the role of EpCAM in physiology and homeostasis of epithelia. Recent research pointed to a close interaction of EpCAM with other cell-cell contact molecules like E-cadherin and claudins and an intimate crosstalk with Wnt and TGF-beta signaling in the regulation of cell growth. Moreover, EpCAM has been shown to modulate trans-epithelial migration processes of white blood cells...
April 2016: Histology and Histopathology
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