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Yi Feng, Huaqing Xue, Jie Zhu, Likun Yang, Feng Zhang, Rong Qian, Wei Lin, Yuhai Wang
Neuronal apoptosis induced by the over-activation of microglia during neuroinflammation contributes to the pathology of central nervous system (CNS) degenerative diseases. ESE1 regulates apoptosis of intestinal epithelial cells in ulcerative colitis via accelerating NF-κB activation. NF-κB activation participates in neuronal apoptosis. However, the expression and functions of ESE1 in neuronal apoptosis during CNS inflammatory response remain unclear. In present study, ESE1 expression significantly increased in cerebral cortex after lipopolysaccharide (LPS) intracerebroventricular injection...
June 27, 2016: Neurochemical Research
Xuyu Yang, Seong-Ho Lee
BACKGROUND/AIM: β-Catenin regulates cell-cell adhesion and gene transcription and acts as a master switch that controls proliferation in several types of cancer. ESE1 is an epithelium-restricted transcription factor and its multiple domain structure predicts its interaction with other proteins with diverse cellular functions. Here, for the first time, we report that endogenous β-catenin binds to and co-localizes with endogenous ESE1 in the cytoplasm. MATERIALS AND METHODS: The binding sites were mapped to E26 transformation-specific (ETS) domain at carboxyl terminus of ESE1 and N-terminus of β-catenin...
June 2016: Anticancer Research
Liren Li, Xianjing Miao, Runzhou Ni, Xiaobing Miao, Liang Wang, Xiaodan Gu, Lijun Yan, Qiyun Tang, Dongmei Zhang
Epithelial-specific ETS-1 (ESE1), also named as ELF3, ERT and ESX, belonging to the ETS family of transcription factors, exerts multiple activities in inflammation, epithelial differentiation and cancer development. Previous data demonstrated that ESE1 synergizes with NF-κB to induce inflammation and drive tumor progress, and the nuclear translocation of ESE1 promotes colon cells apoptosis. However, the expression and biological functions of ESE1 in ulcerative colitis (UC) remain unclear. In this study, we reported for the first time that ESE1/ELF3 was over-expressed in intestinal epithelial cells (IECs) of patients with UC...
June 2015: Immunologic Research
Nicole Longoni, Manuela Sarti, Domenico Albino, Gianluca Civenni, Anastasia Malek, Erica Ortelli, Sandra Pinton, Maurizia Mello-Grand, Paola Ostano, Gioacchino D'Ambrosio, Fausto Sessa, Ramon Garcia-Escudero, George N Thalmann, Giovanna Chiorino, Carlo V Catapano, Giuseppina M Carbone
Chromosomal translocations leading to deregulated expression of ETS transcription factors are frequent in prostate tumors. Here, we report a novel mechanism leading to oncogenic activation of the ETS factor ESE1/ELF3 in prostate tumors. ESE1/ELF3 was overexpressed in human primary and metastatic tumors. It mediated transforming phenotypes in vitro and in vivo and induced an inflammatory transcriptome with changes in relevant oncogenic pathways. ESE1/ELF3 was induced by interleukin (IL)-1β through NF-κB and was a crucial mediator of the phenotypic and transcriptional changes induced by IL-1β in prostate cancer cells...
July 15, 2013: Cancer Research
Raúl N Comelli, Elina Welchen, Hye Jin Kim, Jong Chan Hong, Daniel H Gonzalez
We have identified transcription factors that interact with a promoter region involved in expression of the Arabidopsis thaliana COX5b-1 gene, which encodes an isoform of the cytochrome c oxidase zinc binding subunit. Elements with the core sequence ATCATT, involved in induction by sugars, are recognized both in vitro and in one-hybrid assays in yeast by HD-Zip proteins from the delta subclass and, though less efficiently, by the trihelix transcription factor GT-3b. DistalB-like elements (CCACTTG), required for induction by abscisic acid (ABA), interact with ESE1, a member of the B-3 subgroup of AP2/ERF transcription factors...
September 2012: Plant Molecular Biology
Lixia Zhang, Zhuofu Li, Ruidang Quan, Guojing Li, Ruigang Wang, Rongfeng Huang
Accumulating investigations reveal that ethylene signaling is involved in the salt response in Arabidopsis (Arabidopsis thaliana), and it has been reported that overexpression of a number of ethylene response factor (ERF) genes enhances salt tolerance; however, transcriptional regulation of the ethylene signal component ETHYLENE INSENSITIVE3 (EIN3) in the salt response has not been clearly defined. Consulting microarray data and transcriptional confirmations showed that three of the ERF genes were ethylene and salt inducible, named ESE1 to ESE3...
October 2011: Plant Physiology
Paolo Kunderfranco, Maurizia Mello-Grand, Romina Cangemi, Stefania Pellini, Afua Mensah, Veronica Albertini, Anastasia Malek, Giovanna Chiorino, Carlo V Catapano, Giuseppina M Carbone
BACKGROUND: ETS transcription factors regulate important signaling pathways involved in cell differentiation and development in many tissues and have emerged as important players in prostate cancer. However, the biological impact of ETS factors in prostate tumorigenesis is still debated. METHODOLOGY/PRINCIPAL FINDINGS: We performed an analysis of the ETS gene family using microarray data and real-time PCR in normal and tumor tissues along with functional studies in normal and cancer cell lines to understand the impact in prostate tumorigenesis and identify key targets of these transcription factors...
2010: PloS One
Haibing Peng, Lujian Tan, Makoto Osaki, Yumei Zhan, Kosei Ijiri, Kaneyuki Tsuchimochi, Miguel Otero, Hong Wang, Bob K Choy, Franck T Grall, Xuesong Gu, Towia A Libermann, Peter Oettgen, Mary B Goldring
The epithelium-specific ETS (ESE)-1 transcription factor is induced in chondrocytes by interleukin-1beta (IL-1beta). We reported previously that early activation of EGR-1 by IL-1beta results in suppression of the proximal COL2A1 promoter activity by displacement of Sp1 from GC boxes. Here we report that ESE-1 is a potent transcriptional suppressor of COL2A1 promoter activity in chondrocytes and accounts for the sustained, NF-kappaB-dependent inhibition by IL-1beta. Of the ETS factors tested, this response was specific to ESE-1, since ESE-3, which was also induced by IL-1beta, suppressed COL2A1 promoter activity only weakly...
May 2008: Journal of Cellular Physiology
Vibor Petkovic, Didier Lochmatter, James Turton, Peter E Clayton, Peter J Trainer, Mehul T Dattani, Andrée Eblé, Iain C Robinson, Christa E Flück, Primus E Mullis
CONTEXT AND OBJECTIVE: Alteration of exon splice enhancers (ESE) may cause autosomal dominant GH deficiency (IGHD II). Disruption analysis of a (GAA) (n) ESE motif within exon 3 by introducing single-base mutations has shown that single nucleotide mutations within ESE1 affect pre-mRNA splicing. DESIGN, SETTING, AND PATIENTS: Confirming the laboratory-derived data, a heterozygous splice enhancer mutation in exon 3 (exon 3 + 2 A-->C) coding for GH-E32A mutation of the GH-1 gene was found in two independent pedigrees, causing familial IGHD II...
November 2007: Journal of Clinical Endocrinology and Metabolism
Bramanandam Manavathi, Suresh K Rayala, Rakesh Kumar
Differential phosphorylation of transcription factors by signal transduction pathways play an important role in regulation of gene expression and functions. ESE-1 is an epithelium-specific ETS transcription factor that transforms human breast epithelial cells through a serine- and aspartic acid-rich domain (SAR) by an unknown cytoplasmic mechanism. Here we found that a signaling kinase, p21-activated kinase-1 (Pak1), interacts with and phosphorylates ESE-1. Interestingly, Pak1 selectively phosphorylates ESE-1 at Ser(207), which is located within the SAR domain...
July 6, 2007: Journal of Biological Chemistry
Sarah Gallant, Gary Gilkeson
The ETS family is a diverse group of transcription factors that control the expressions of genes that participate in an array of cellular activities, ranging from mitosis to apoptosis. As a consequence of regulating these processes, most ETS factors are oncogenic. However, there is growing evidence that ETS factors are also essential to regulation of the immune system. Of the 29 recognized ETS factors, nine are known to regulate genes involved in immunity, including Ets1, Ets2, GABP, Fli1, Elf1, MEF, ESE1, PU...
May 2006: Archivum Immunologiae et Therapiae Experimentalis
Kiminori Takahata, Miyuki Takeuchi, Minoru Fujita, Junichi Azuma, Hiroshi Kamada, Fumihiko Sato
Somatic embryogenesis is a unique process in plant cells. For example, embryogenic cells (EC) of carrot (Daucus carota) maintained in a medium containing 2,4-dichlorophenoxyacetic acid (2,4-D) regenerate whole plants via somatic embryogenesis after the depletion of 2,4-D. Although some genes such as C-ABI3 and C-LEC1 have been found to be involved in somatic embryogenesis, the critical molecular and cellular mechanisms for somatic embryogenesis are unknown. To characterize the early mechanism in the induction of somatic embryogenesis, we isolated genes expressed during the early stage of somatic embryogenesis after 2,4-D depletion...
November 2004: Plant & Cell Physiology
R Herranz, D Husson, M Pastor, C Diaz, J Mateos, A Villa, F J Medina, R Marco
Our group has the long-term goal of establishing a permanent colony of Drosophila melanogaster in the International Space Station (ISS) to study its long-term adaptation to this unusual environment. We are currently building an enhanced version of an automatic cultivation unit (ESE1) in which we can grow flies with minimal crew involvement. We are working on a fixation unit as well. We are also adapting current protocols to maintain fixed animals during at least three months, the minimal refurbishment shuttle flight time, with minimal handling and maximal automatization, that can be used for inmuno-cytochemistry, ultrastructure or molecular experiments...
July 2002: Journal of Gravitational Physiology: a Journal of the International Society for Gravitational Physiology
Robin C C Ryther, Alex S Flynt, Bryan D Harris, John A Phillips, James G Patton
The majority of mutations that cause isolated GH deficiency type II affect splicing of GH1 transcripts, leading to the production of a dominant-negative GH isoform. Because numerous mutations and polymorphisms throughout the GH1 gene have not yet been tested for aberrant splicing, we used a deletion mutagenesis screen across intron 2-exon 3-intron 3 to identify splicing regulatory sequences. These analyses identified a new enhancer element, ESE2, upstream of the cryptic splice site in exon 3 and further defined a previously described enhancer (ESE1) to include the first seven nucleotides of exon 3...
June 2004: Endocrinology
Christina K Galang, William J Muller, Gabriele Foos, Robert G Oshima, Craig A Hauser
Interfering with Ets transcription factor function reverses multiple aspects of the transformed phenotype of mouse or human tumor cells. However, the unknown number of individual Ets factors expressed in any cellular context and the similar DNA binding specificities of Ets family members complicates the identification of those that mediate transformation. By utilizing quantitative PCR assays for 25 mouse Ets factors, we analyzed the expression of essentially the entire Ets family in normal mammary tissue, mammary-related cell lines, and mammary tumors...
March 19, 2004: Journal of Biological Chemistry
Ron J Feldman, Victor I Sementchenko, Dennis K Watson
The Ets family of transcription factors regulates many biological processes. Within the Ets family are a subset of proteins that have epithelial restricted expression patterns, both in tissues and cell lines. These Epithelial-specific Ets (Ese) factors, cluster into two groups based on the sequence of the Ets DNA binding domain: (i) Ese1, Ese2 and Ese3, and (ii) the more divergent, Pdef. Gene targeting and cell culture studies have demonstrated that Ese factors are important for cellular differentiation. Furthermore, the ability of Ese factors to regulate expression of genes that are markers of differentiation supports this model...
May 2003: Anticancer Research
A S Sengar, W Wang, J Bishay, S Cohen, S E Egan
Clathrin-mediated endocytosis is a multistep process which requires interaction between a number of conserved proteins. We have cloned two mammalian genes which code for a number of endocytic adaptor proteins. Two of these proteins, termed Ese1 and Ese2, contain two N-terminal EH domains, a central coiled-coil domain and five C-terminal SH3 domains. Ese1 is constitutively associated with Eps15 proteins to form a complex with at least 14 protein-protein interaction surfaces. Yeast two-hybrid assays have revealed that Ese1 EH and SH3 domains bind epsin family proteins and dynamin, respectively...
March 1, 1999: EMBO Journal
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