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https://www.readbyqxmd.com/read/28105727/placental-dysfunction-is-associated-with-altered-microrna-expression-in-pregnant-women-with-low-folate-status
#1
Bernadette C Baker, Fiona L Mackie, Samantha C Lean, Susan L Greenwood, Alexander Ep Heazell, Karen Forbes, Rebecca L Jones
SCOPE: Low maternal folate status during pregnancy increases the risk of delivering small for gestational age (SGA) infants, but the mechanistic link between maternal folate status, SGA and placental dysfunction is unknown. microRNAs (miRNA) are altered in pregnancy pathologies and by folate in other systems. We hypothesized low maternal folate status causes placental dysfunction, mediated by altered miRNA expression. METHODS AND RESULTS: A prospective observational study recruited pregnant adolescents, and assessed third trimester folate status and placental function...
January 20, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28094084/incontinence-and-psychological-symptoms-in-individuals-with-mowat-wilson-syndrome
#2
Justine Niemczyk, Stewart Einfeld, David Mowat, Monika Equit, Catharina Wagner, Leopold Curfs, Alexander von Gontard
BACKGROUND: Mowat-Wilson Syndrome (MWS) is caused by deletion/mutation of the ZEB2 gene on chromosome 2q22. MWS is characterized by a distinctive facial appearance, severe intellectual disability and other anomalies, e.g. seizures and/or Hirschsprung disease (HSCR). Most individuals have a sociable demeanor, but one third show psychological problems. AIMS: The aim was to investigate incontinence and psychological problems in MWS. METHODS AND PROCEDURES: 26 children (4-12 years), 13 teens (13-17 years) and 8 adults (>18years) were recruited through a MWS support group...
January 13, 2017: Research in Developmental Disabilities
https://www.readbyqxmd.com/read/28087626/snail2-and-zeb2-repress-p-cadherin-to-define-embryonic-territories-in-the-chick-embryo
#3
Hervé Acloque, Oscar H Ocaña, Diana Abad, Claudio D Stern, M Angela Nieto
Snail and Zeb transcription factors induce epithelial to mesenchymal transition (EMT) in embryonic and adult tissues by direct repression of E-Cadherin transcription. The repression of E-Cadherin transcription by the EMT inducers Snail1 and Zeb2 plays a fundamental role in defining embryonic territories in the mouse, as E-Cadherin needs to be downregulated in the primitive streak and in the epiblast concomitant with the formation of mesendodermal precursors and the neural plate, respectively. Here we show that in the chick embryo, E-Cadherin is weakly expressed in the epiblast at pre-primitive streak stages where it is substituted by P-Cadherin We also show that Snail2 and Zeb2 repress P-Cadherin transcription in the primitive streak and the neural plate, respectively...
January 13, 2017: Development
https://www.readbyqxmd.com/read/28069602/oncogenic-zeb2-activation-drives-sensitivity-towards-kdm1a-inhibition-in-t-cell-acute-lymphoblastic-leukemia
#4
Steven Goossens, Sofie Peirs, Wouter Van Loocke, Jueqiong Wang, Mina Takawy, Filip Matthijssens, Stefan E Sonderegger, Katharina Haigh, Thao Nguyen, Niels Vandamme, Magdaline Costa, Catherine Carmichael, Filip Van Nieuwerburgh, Dieter Deforce, Oded Kleifeld, David J Curtis, Geert Berx, Pieter Van Vlierberghe, Jody J Haigh
Elevated expression of the Zinc finger E-box binding homeobox transcription factor-2 (ZEB2) is correlated with poor prognosis and patient outcome in a variety of human cancer subtypes. Using a conditional gain-of-function mouse model, we recently demonstrated that ZEB2 is an oncogenic driver of immature T-cell acute lymphoblastic leukemia (T-ALL), a heterogenic subgroup of human leukemia characterized by a high incidence of remission failure or hematological relapse after conventional chemotherapy. Here, we identified the Lysine-specific demethylase KDM1A as a novel interaction partner of ZEB2 and demonstrated that mouse and human T-ALLs with increased ZEB2 levels critically depend on KDM1A activity for survival...
January 9, 2017: Blood
https://www.readbyqxmd.com/read/28064471/vasohibin-2-is-required-for-epithelial-mesenchymal-transition-of-ovarian-cancer-cells-by-modulating-tgf-%C3%AE-signaling
#5
Rie Norita, Yasuhiro Suzuki, Yutaka Furutani, Kazuki Takahashi, Yasuhiro Yoshimatsu, Katarzyna A Podyma-Inoue, Tetsuro Watabe, Yasufumi Sato
Vasohibin-2 (VASH2) is a homologue of VASH1, an endothelium-derived angiogenesis inhibitor. VASH2 is mainly expressed in cancer cells, and has been implicated in the progression of cancer by inducing angiogenesis and tumor growth. While VASH2 has been recently reported to be involved in epithelial-mesenchymal transition (EMT), its precise roles are obscure. The aim of the present study was to clarify the role of VASH2 in the EMT of cancer cells in relation to TGF-β signaling, which is a major stimulator of the EMT...
January 8, 2017: Cancer Science
https://www.readbyqxmd.com/read/28063956/differentiation-of-mouse-enteric-nervous-system-progenitor-cells-is-controlled-by-endothelin-3-and-requires-regulation-of-ednrb-by-sox10-and-zeb2
#6
Yuli Watanabe, Laure Stanchina, Laure Lecerf, Nadjet Gacem, Andrea Conidi, Viviane Baral, Veronique Pingault, Danny Huylebroeck, Nadege Bondurand
BACKGROUND & AIMS: Maintenance and differentiation of progenitor cells in the developing enteric nervous system (ENS) are controlled by molecules such as the signaling protein endothelin 3 (EDN3), its receptor (the endothelin receptor type B, EDNRB), and the transcription factors SRY-box 10 (SOX10) and zinc finger E-box binding homeobox 2 (ZEB2). We used enteric progenitor cell (EPC) cultures and mice to study the roles of these proteins in enteric neurogenesis and their cross regulation...
January 4, 2017: Gastroenterology
https://www.readbyqxmd.com/read/28063065/effects-of-long-noncoding-rna-ror-on-tamoxifen-resistance-of-breast-cancer-cells-by-regulating-microrna-205
#7
Hong-Yan Zhang, Feng Liang, Jian-Wei Zhang, Fei Wang, Li Wang, Xi-Gang Kang
PURPOSE: To explore how long noncoding RNA-ROR (lncRNA-ROR) affects the tamoxifen resistance of breast cancer cells. METHODS: Breast epithelial (MCF10A), breast cancer (MCF7), and natural tamoxifen-resistant breast cancer (MDA-MB-231) cell lines were selected, and the relative lncRNA-ROR expressions were detected using quantitative real-time polymerase chain reaction (qRT-PCR). In vitro induction of TR5 cell line was performed. There were six groups: MCF7, MCF7/TR5, MDA-MB-231, MCF7-ROR, MCF7/TR5 ROR-siRNA, and the MDA-MB-231 ROR-siRNA groups...
January 6, 2017: Cancer Chemotherapy and Pharmacology
https://www.readbyqxmd.com/read/28042023/diverse-pathways-of-epithelial-mesenchymal-transition-related-with-cancer-progression-and-metastasis-and-potential-effects-of-endocrine-disrupting-chemicals-on-epithelial-mesenchymal-transition-process
#8
Hae-Miru Lee, Kyung-A Hwang, Kyung-Chul Choi
Endocrine disrupting chemicals (EDCs) are natural or synthetic compounds that interfere with normal functions of natural hormones in the body, leading to a disruption of the endocrine system. Specifically, EDCs have the potential to cause formation of several hormone-dependent cancers, including breast, ovarian, and prostate cancers. Epithelial mesenchymal transition (EMT) process by which epithelial cells lose their cell polarity and cell-cell adhesion and acquire mesenchymal phenotype is closely associated with malignant transformation and the initiation of cancer metastasis...
December 29, 2016: Molecular and Cellular Endocrinology
https://www.readbyqxmd.com/read/28040410/a-genome-wide-association-study-of-fast-beta-eeg-in-families-of-european-ancestry
#9
Jacquelyn L Meyers, Jian Zhang, Niklas Manz, Madhavi Rangaswamy, Chella Kamarajan, Leah Wetherill, David B Chorlian, Sun J Kang, Lance Bauer, Victor Hesselbrock, John Kramer, Samuel Kuperman, John I Nurnberger, Jay Tischfield, Jen Chyong Wang, Howard J Edenberg, Alison Goate, Tatiana Foroud, Bernice Porjesz
BACKGROUND: Differences in fast beta (20-28 Hz) electroencephalogram (EEG) oscillatory activity distinguish some individuals with psychiatric and substance use disorders, suggesting that it may be a useful endophenotype for studying the genetics of disorders characterized by neural hyper-excitability. Despite the high heritability estimates provided by twin and family studies, there have been relatively few genetic studies of beta EEG, and to date only one genetic association finding has replicated (i...
December 28, 2016: International Journal of Psychophysiology
https://www.readbyqxmd.com/read/28000724/corrigendum-mir-200-family-controls-late-steps-of-postnatal-forebrain-neurogenesis-via-zeb2-inhibition
#10
Christophe Beclin, Philipp Follert, Elke Stappers, Serena Barral, Nathalie Coré, Antoine de Chevigny, Virginie Magnone, Kévin Lebrigand, Ute Bissels, Danny Huylebroeck, Andreas Bosio, Pascal Barbry, Eve Seuntjens, Harold Cremer
No abstract text is available yet for this article.
December 21, 2016: Scientific Reports
https://www.readbyqxmd.com/read/27998868/-the-microrna-mir-205-inhibits-epithelial-messenchymal-transition-in-hk-2-cells-by-down-regulating-zeb1-and-zeb2-expressions
#11
Luo-Yuan Cao, Jing Yang, Xian-Guo Fu, Ying-Hua Lin, Feng Lin, Bao-Ying Huang
OBJECTIVE: To explore the role of miR-205 in regulating epithelial-messenchymal transition (EMT) in proximal tubular cell line HK-2 cells and the underlying mechanism. METHODS: HK-2 cells transfected with miR-205 mimics or a scrambled control sequence were examined for miR-205 expressions and mRNA levels of ZEB1, E-cadherin, and α-SMA using real-time qPCR; the protein levels of ZEB1, ZEB2, E-cadherin, and α-SMA were detected with Western blotting. Immunohistochemistry was performed to examine the ectopic expression of β-catenin and E-cadherin expression in the cells...
December 20, 2016: Nan Fang Yi Ke da Xue Xue Bao, Journal of Southern Medical University
https://www.readbyqxmd.com/read/27978927/-zinc-finger-e-box-binding-homeobox-2-inhibits-hepatitis-b-virus-replication-and-expression
#12
X P Li, Q Hu, Q He, W X Chen
Objective: To investigate the effect of zinc finger E-box-binding homeobox 2 (ZEB2) on hepatitis B virus (HBV) replication and expression. Methods: HepG2, HepG2.2.15, and HepAD38 cells were cultured separately, and Western blot was used to measure the expression of ZEB2. HepG2.2.15 cells were cultured and transfected with ZEB2 expression plasmids or shRNA targeting ZEB2. Western blot was used to measure the expression of ZEB2 and HBV core proteins, quantitative real-time PCR was used to measure HBV 3.5 kb RNA and HBV DNA, Southern blot was used to measure HBV replicative intermediate, and ELISA was used to measure the expression of HBsAg and HBeAg, in order to clarify the effect of ZEB2 on HBV replication and expression...
November 20, 2016: Zhonghua Gan Zang Bing za Zhi, Zhonghua Ganzangbing Zazhi, Chinese Journal of Hepatology
https://www.readbyqxmd.com/read/27930303/transcription-factor-zeb2-regulates-commitment-to-plasmacytoid-dendritic-cell-and-monocyte-fate
#13
Xiaodi Wu, Carlos G Briseño, Gary E Grajales-Reyes, Malay Haldar, Arifumi Iwata, Nicole M Kretzer, Wumesh Kc, Roxane Tussiwand, Yujiro Higashi, Theresa L Murphy, Kenneth M Murphy
Dendritic cells (DCs) and monocytes develop from a series of bone-marrow-resident progenitors in which lineage potential is regulated by distinct transcription factors. Zeb2 is an E-box-binding protein associated with epithelial-mesenchymal transition and is widely expressed among hematopoietic lineages. Previously, we observed that Zeb2 expression is differentially regulated in progenitors committed to classical DC (cDC) subsets in vivo. Using systems for inducible gene deletion, we uncover a requirement for Zeb2 in the development of Ly-6C(hi) monocytes but not neutrophils, and we show a corresponding requirement for Zeb2 in expression of the M-CSF receptor in the bone marrow...
December 20, 2016: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/27924058/foxo1-inhibits-the-invasion-and-metastasis-of-hepatocellular-carcinoma-by-reversing-zeb2-induced-epithelial-mesenchymal-transition
#14
Tianxiu Dong, Yu Zhang, Yaodong Chen, Pengfei Liu, Tingting An, Jiuwei Zhang, Haichao Yang, Wenjing Zhu, Xiuhua Yang
The epithelial-to-mesenchymal transition (EMT) program is critical for epithelial cell cancer progression and fibrotic diseases. FOXO1 influences a broad range of physiological and pathological processes. However, the mechanism by which FOXO1 inhibits EMT is not fully understood. In this study, we demonstrated that FOXO1 overexpression inhibited cell motility and invasiveness in vitro and inhibited lung metastasis in vivo. In addition, we found that FOXO1 couldreverse the EMT program. FOXO1 silencing by siRNA in hepatocellular carcinoma (HCC) cell lines enhanced the expression of mesenchymal markers and decreased the expression of the epithelial markers...
December 3, 2016: Oncotarget
https://www.readbyqxmd.com/read/27904778/long-non-coding-rna-ccat2-promotes-gastric-cancer-proliferation-and-invasion-by-regulating-the-e-cadherin-and-lats2
#15
Yong-Jun Wang, Jian-Zhen Liu, Pei Lv, Yi Dang, Jiang-Yan Gao, Yong Wang
Dysregulation of long non-coding RNAs (lncRNAs) play important roles in tumor development and progression. The long non-coding RNA CCAT2 has been identified to be up-regulated in gastric cancer (GC). However, the detailed molecular mechanism of CCAT2 involved in GC progression is still unknown. The aim of this study was to explore the expression and role of CCAT2 in GC progression. In the study, the expression levels of CCAT2 were significantly up-regulated in 108 cases GC tissues compared with adjacent non-tumor tissues by qRT-PCR analysis...
2016: American Journal of Cancer Research
https://www.readbyqxmd.com/read/27861158/myc-associated-zinc-finger-protein-promotes-the-invasion-and-metastasis-of-hepatocellular-carcinoma-by-inducing-epithelial-mesenchymal-transition
#16
Wei Luo, Xiaonian Zhu, Wei Liu, Yuan Ren, Chunhua Bei, Linyuan Qin, Xueyan Miao, Fen Tang, Guifang Tang, Shengkui Tan
MYC associated zinc finger protein (MAZ) plays a key role in regulation of gene expression and tumor development. Studies have shown that deregulated expression of MAZ is closely related to the progression of tumors such as glioblastoma, breast cancer, prostate cancer and liposarcoma. However, the role of MAZ in hepatocellular carcinoma (HCC) has not been fully elucidated. Here, we found that expression of MAZ was increased in HCC and correlated to the distant metastasis of HCC. Moreover, we found that MAZ had a relationship with zinc finger E-box binding homeobox 1 and 2 (ZEB1 and ZEB2), two important mesenchymal markers in epithelial-mesenchymal transition (EMT) that were over-expressed in HCC...
November 16, 2016: Oncotarget
https://www.readbyqxmd.com/read/27845906/specific-micro-rna-expression-patterns-distinguish-the-basal-and-luminal-subtypes-of-muscle-invasive-bladder-cancer
#17
Andrea E Ochoa, Woonyoung Choi, Xiaoping Su, Arlene Siefker-Radtke, Bogdan Czerniak, Colin Dinney, David J McConkey
The roles of non-coding RNAs in controlling clinical and biological heterogeneity in bladder cancer remain unclear. We used TCGA's published dataset (n = 405 tumors) as a discovery cohort and created a new validation cohort to define the miRNA expression patterns in the basal and luminal molecular subtypes of muscle-invasive bladder cancer (MIBC). We identified 63 miRNAs by PAM, which optimally identified basal and luminal tumors. The targets of the top luminal miRNAs were activators of EMT (ZEB1, ZEB2) and basal subtype transcription (IL-6, EGFR, STAT3), whereas the targets of the top basal miRNAs were involved in adipogenesis pathways and luminal breast cancer (ERBB2, ERBB3)...
November 10, 2016: Oncotarget
https://www.readbyqxmd.com/read/27832070/pleiotropic-associations-of-allelic-variants-in-a-2q22-region-with-risks-of-major-human-diseases-and-mortality
#18
Alexander M Kulminski, Liang He, Irina Culminskaya, Yury Loika, Yelena Kernogitski, Konstantin G Arbeev, Elena Loiko, Liubov Arbeeva, Olivia Bagley, Matt Duan, Arseniy Yashkin, Fang Fang, Mikhail Kovtun, Svetlana V Ukraintseva, Deqing Wu, Anatoliy I Yashin
Gaining insights into genetic predisposition to age-related diseases and lifespan is a challenging task complicated by the elusive role of evolution in these phenotypes. To gain more insights, we combined methods of genome-wide and candidate-gene studies. Genome-wide scan in the Atherosclerosis Risk in Communities (ARIC) Study (N = 9,573) was used to pre-select promising loci. Candidate-gene methods were used to comprehensively analyze associations of novel uncommon variants in Caucasians (minor allele frequency~2...
November 2016: PLoS Genetics
https://www.readbyqxmd.com/read/27831545/neuroimaging-findings-in-mowat-wilson-syndrome-a-study-of-54-patients
#19
Livia Garavelli, Ivan Ivanovski, Stefano Giuseppe Caraffi, Daniela Santodirocco, Marzia Pollazzon, Duccio Maria Cordelli, Ebtesam Abdalla, Patrizia Accorsi, Margaret P Adam, Chiara Baldo, Allan Bayat, Elga Belligni, Federico Bonvicini, Jeroen Breckpot, Bert Callewaert, Guido Cocchi, Goran Cuturilo, Koenraad Devriendt, Mary Beth Dinulos, Olivera Djuric, Roberta Epifanio, Francesca Faravelli, Debora Formisano, Lucio Giordano, Marina Grasso, Sabine Grønborg, Alessandro Iodice, Lorenzo Iughetti, Didier Lacombe, Massimo Maggi, Baris Malbora, Isabella Mammi, Sebastien Moutton, Rikke Møller, Petra Muschke, Manuela Napoli, Chiara Pantaleoni, Rosario Pascarella, Alessandro Pellicciari, Maria Luisa Poch-Olive, Federico Raviglione, Francesca Rivieri, Carmela Russo, Salvatore Savasta, Gioacchino Scarano, Angelo Selicorni, Margherita Silengo, Giovanni Sorge, Luigi Tarani, Luis Gonzaga Tone, Annick Toutain, Aurelien Trimouille, Elvis Terci Valera, Samantha Schrier Vergano, Nicoletta Zanotta, Marcella Zollino, William B Dobyns, Alex R Paciorkowski
PURPOSE: Mowat-Wilson syndrome (MWS) is a genetic disease characterized by distinctive facial features, moderate to severe intellectual disability, and congenital malformations, including Hirschsprung disease, genital and eye anomalies, and congenital heart defects, caused by haploinsufficiency of the ZEB2 gene. To date, no characteristic pattern of brain dysmorphology in MWS has been defined. METHODS: Through brain magnetic resonance imaging (MRI) analysis, we delineated a neuroimaging phenotype in 54 MWS patients with a proven ZEB2 defect, compared it with the features identified in a thorough review of published cases, and evaluated genotype-phenotype correlations...
November 10, 2016: Genetics in Medicine: Official Journal of the American College of Medical Genetics
https://www.readbyqxmd.com/read/27799067/identification-of-a-rai1-associated-disease-network-through-integration-of-exome-sequencing-transcriptomics-and-3d-genomics
#20
Maria Nicla Loviglio, Christine R Beck, Janson J White, Marion Leleu, Tamar Harel, Nicolas Guex, Anne Niknejad, Weimin Bi, Edward S Chen, Isaac Crespo, Jiong Yan, Wu-Lin Charng, Shen Gu, Ping Fang, Zeynep Coban-Akdemir, Chad A Shaw, Shalini N Jhangiani, Donna M Muzny, Richard A Gibbs, Jacques Rougemont, Ioannis Xenarios, James R Lupski, Alexandre Reymond
BACKGROUND: Smith-Magenis syndrome (SMS) is a developmental disability/multiple congenital anomaly disorder resulting from haploinsufficiency of RAI1. It is characterized by distinctive facial features, brachydactyly, sleep disturbances, and stereotypic behaviors. METHODS: We investigated a cohort of 15 individuals with a clinical suspicion of SMS who showed neither deletion in the SMS critical region nor damaging variants in RAI1 using whole exome sequencing. A combination of network analysis (co-expression and biomedical text mining), transcriptomics, and circularized chromatin conformation capture (4C-seq) was applied to verify whether modified genes are part of the same disease network as known SMS-causing genes...
November 1, 2016: Genome Medicine
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