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Jin L, Liu Y, Wu Y, Huang Y, Zhang D. REST Is Not Resting: REST/NRSF in Health and Disease. Biomolecules 2023; 13:1477. [PMID: 37892159 PMCID: PMC10605157 DOI: 10.3390/biom13101477] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 09/26/2023] [Accepted: 09/29/2023] [Indexed: 10/29/2023] Open
Abstract
Chromatin modifications play a crucial role in the regulation of gene expression. The repressor element-1 (RE1) silencing transcription factor (REST), also known as neuron-restrictive silencer factor (NRSF) and X2 box repressor (XBR), was found to regulate gene transcription by binding to chromatin and recruiting chromatin-modifying enzymes. Earlier studies revealed that REST plays an important role in the development and disease of the nervous system, mainly by repressing the transcription of neuron-specific genes. Subsequently, REST was found to be critical in other tissues, such as the heart, pancreas, skin, eye, and vascular. Dysregulation of REST was also found in nervous and non-nervous system cancers. In parallel, multiple strategies to target REST have been developed. In this paper, we provide a comprehensive summary of the research progress made over the past 28 years since the discovery of REST, encompassing both physiological and pathological aspects. These insights into the effects and mechanisms of REST contribute to an in-depth understanding of the transcriptional regulatory mechanisms of genes and their roles in the development and progression of disease, with a view to discovering potential therapeutic targets and intervention strategies for various related diseases.
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Affiliation(s)
- Lili Jin
- School of Life Sciences, Liaoning University, Shenyang 110036, China
| | - Ying Liu
- Department of Stem Cells and Regenerative Medicine, Key Laboratory of Cell Biology, National Health Commission of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang 110122, China
| | - Yifan Wu
- Department of Stem Cells and Regenerative Medicine, Key Laboratory of Cell Biology, National Health Commission of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang 110122, China
| | - Yi Huang
- Department of Stem Cells and Regenerative Medicine, Key Laboratory of Cell Biology, National Health Commission of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang 110122, China
| | - Dianbao Zhang
- Department of Stem Cells and Regenerative Medicine, Key Laboratory of Cell Biology, National Health Commission of China, and Key Laboratory of Medical Cell Biology, Ministry of Education of China, China Medical University, Shenyang 110122, China
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Formisano L, Guida N, Mascolo L, Serani A, Laudati G, Pizzorusso V, Annunziato L. Transcriptional and epigenetic regulation of ncx1 and ncx3 in the brain. Cell Calcium 2020; 87:102194. [PMID: 32172011 DOI: 10.1016/j.ceca.2020.102194] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Revised: 03/03/2020] [Accepted: 03/04/2020] [Indexed: 01/26/2023]
Abstract
Sodium-calcium exchanger (NCX) 1 and 3, have been demonstrated to play a relevant role in controlling the intracellular homeostasis of sodium and calcium ions in physiological and patho-physiological conditions. While NCX1 and NCX3 knocking-down have been both implicated in brain ischemia, several aspects of the epigenetic regulation of these two antiporters transcription were not yet well characterized. In response to stroke, NCX1 and NCX3 transcriptional regulation occurs from specific promoter sequences. Several evidences have shown that the expression of NCX1 and NCX3 can be determined by epigenetic modifications, consisting in changes of the histone acetylation levels on their promoter sequences. An interesting issue is that histone modifications at the NCX1 and NCX3 promoters could be linked to neurodegeneration occurring after stroke. Therefore, identifying the epigenetic regulation at the NCX1 and NCX3 promoters could permit to identify new molecular targets that can open new strategies for stroke treatment. The current review reassumes the recent knowledge of histone modifications of NCX1 and NCX3 genes in brain in physiological and patho-physiological conditions.
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Affiliation(s)
- Luigi Formisano
- Division of Pharmacology, Department of Neuroscience, Reproductive and Dentistry Sciences, School of Medicine, Federico II University of Naples, Via Pansini, 5, 80131, Naples, Italy.
| | - Natascia Guida
- IRCCS SDN Naples, Via Emanuele Gianturco 113, 80143, Naples, Italy
| | - Luigi Mascolo
- Division of Pharmacology, Department of Neuroscience, Reproductive and Dentistry Sciences, School of Medicine, Federico II University of Naples, Via Pansini, 5, 80131, Naples, Italy
| | - Angelo Serani
- Division of Pharmacology, Department of Neuroscience, Reproductive and Dentistry Sciences, School of Medicine, Federico II University of Naples, Via Pansini, 5, 80131, Naples, Italy
| | - Giusy Laudati
- Division of Pharmacology, Department of Neuroscience, Reproductive and Dentistry Sciences, School of Medicine, Federico II University of Naples, Via Pansini, 5, 80131, Naples, Italy
| | - Vincenzo Pizzorusso
- Division of Pharmacology, Department of Neuroscience, Reproductive and Dentistry Sciences, School of Medicine, Federico II University of Naples, Via Pansini, 5, 80131, Naples, Italy
| | - Lucio Annunziato
- IRCCS SDN Naples, Via Emanuele Gianturco 113, 80143, Naples, Italy
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Ugur M, Kanit L, Koylu EO, Balkan B, Gözen O. Cocaine- and amphetamine-regulated transcript promoter regulated by nicotine in nerve growth factor-treated PC12 cells. Physiol Int 2019; 106:272-282. [DOI: 10.1556/2060.106.2019.27] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Nicotine and cocaine- and amphetamine-regulated transcripts (CART) have several overlapping functions, such as the regulation of reward, feeding behavior, stress response, and anxiety. Previous studies showed that nicotine regulates CART expression in various brain regions. However, the molecular mechanisms underlying this regulation are not known. This study investigated the regulatory effect of nicotine on promoter activity of the CART gene in PC12 cells, which were differentiated into a neuronal phenotype by nerve growth factor (NGF) treatment. Two vectors containing reporter genes (Gaussia luciferase or mCherry) and the 1,140-bp upstream of the transcriptional start site of the mouse CART gene are used to analyze the CART promoter activity. Transient transfection of PC12 cells with either vector displayed strong promoter activity in both undifferentiated and differentiated PC12 cells. CART promoter activity in the PC12 cell line is increased by forskolin or NGF treatment. In differentiated PC12 cells, exposure to 50 nM nicotine for 6 h increased CART promoter activity. However, treatment with higher nicotine doses for 6 h and treatment with all nicotine doses for 24 h showed no effect. A nicotine concentration of 50 nM is comparable to brain nicotine levels experienced by chronic smokers over long periods of time. Taken together, these data indicate that nicotine may exert some of its actions through the regulation of CART transcription in the brain.
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Affiliation(s)
- M Ugur
- 1 Department of Physiology, Ege University School of Medicine, Izmir, Turkey
| | - L Kanit
- 1 Department of Physiology, Ege University School of Medicine, Izmir, Turkey
- 2 Ege University Center for Brain Research, Izmir, Turkey
| | - EO Koylu
- 1 Department of Physiology, Ege University School of Medicine, Izmir, Turkey
- 2 Ege University Center for Brain Research, Izmir, Turkey
| | - B Balkan
- 1 Department of Physiology, Ege University School of Medicine, Izmir, Turkey
- 2 Ege University Center for Brain Research, Izmir, Turkey
| | - O Gözen
- 1 Department of Physiology, Ege University School of Medicine, Izmir, Turkey
- 2 Ege University Center for Brain Research, Izmir, Turkey
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Quinn JP, Warburton A, Myers P, Savage AL, Bubb VJ. Polymorphic variation as a driver of differential neuropeptide gene expression. Neuropeptides 2013; 47:395-400. [PMID: 24210140 DOI: 10.1016/j.npep.2013.10.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/25/2013] [Revised: 10/09/2013] [Accepted: 10/10/2013] [Indexed: 11/15/2022]
Abstract
The regulation of neuropeptide gene expression and their receptors in a tissue specific and stimulus inducible manner will determine in part behaviour and physiology. This can be a dynamic process resulting from short term changes in response to the environment or long term modulation imposed by epigenetically determined mechanisms established during life experiences. The latter underpins what is termed 'nature and nurture, or 'gene×environment interactions'. Dynamic gene expression of neuropeptides or their receptors is a key component of signalling in the CNS and their inappropriate regulation is therefore a predicted target underpinning psychiatric disorders and neuropathological processes. Finding the regulatory domains within our genome which have the potential to direct gene expression is a difficult challenge as 98% of our genome is non-coding and, with the exception of proximal promoter regions, such elements can be quite distant from the gene that they regulate. This review will deal with how we can find such domains by addressing both the most conserved non-exonic regions in the genome using comparative genomics and the most recent or constantly evolving DNA such as repetitive DNA or retrotransposons. We shall also explore how polymorphic changes in such domains can be associated with CNS disorders by altering the appropriate gene expression patterns which maintain normal physiology.
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Affiliation(s)
- John P Quinn
- Neurogenetics in Wellbeing and Disease Section, Department of Molecular and Clinical Pharmacology, Institute of Translational Medicine, University of Liverpool, Sherrington Building, Ashton Street, Liverpool L69 3GE, UK.
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Amalraj J, Cutler SJ, Ghazawi I, Boyle GM, Ralph SJ. REST Negatively and ISGF3 Positively Regulate the Human STAT1 Gene in Melanoma. Mol Cancer Ther 2013; 12:1288-98. [DOI: 10.1158/1535-7163.mct-12-0923] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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Blanco EH, Lagos CF, Andrés ME, Gysling K. An amphipathic alpha-helix in the prodomain of cocaine and amphetamine regulated transcript peptide precursor serves as its sorting signal to the regulated secretory pathway. PLoS One 2013; 8:e59695. [PMID: 23527253 PMCID: PMC3602189 DOI: 10.1371/journal.pone.0059695] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2012] [Accepted: 02/17/2013] [Indexed: 11/18/2022] Open
Abstract
Cocaine and Amphetamine Regulated Transcript (CART) peptides are anorexigenic neuropeptides. The L34F mutation in human CART peptide precursor (proCART) has been linked to obesity (Yanik et al. Endocrinology 147: 39, 2006). Decrease in CART peptide levels in individuals carrying the L34F mutation was attributed to proCART subcellular missorting. We studied proCART features required to enter the regulated secretory pathway. The subcellular localization and the secretion mode of monomeric EGFP fused to the full-length or truncated forms of human proCART transiently transfected in PC12 cells were analyzed. Our results showed that the N-terminal 1-41 fragment of proCART was necessary and sufficient to sort proCART to the regulated secretory pathway. In silico modeling predicted an alpha-helix structure located between residues 24-37 of proCART. Helical wheel projection of proCART alpha-helix showed an amphipathic configuration. The L34F mutation does not modify the amphipathicity of proCART alpha-helix and consistently proCARTL34F was efficiently sorted to the regulated secretory pathway. However, four additional mutations to proCARTL34F that reduced its alpha-helix amphipathicity resulted in the missorting of the mutated proCART toward the constitutive secretory pathway. These findings show that an amphipathic alpha-helix is a key cis-structure for the proCART sorting mechanism. In addition, our results indicate that the association between L34F mutation and obesity is not explained by proCART missorting.
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Affiliation(s)
- Elías H. Blanco
- Millennium Science Nucleus in Stress and Addiction, Department of Cell and Molecular Biology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
- * E-mail: (EHB); (KG)
| | - Carlos F. Lagos
- Department of Pharmacy, Faculty of Chemistry, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - María Estela Andrés
- Millennium Science Nucleus in Stress and Addiction, Department of Cell and Molecular Biology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Katia Gysling
- Millennium Science Nucleus in Stress and Addiction, Department of Cell and Molecular Biology, Faculty of Biological Sciences, Pontificia Universidad Católica de Chile, Santiago, Chile
- * E-mail: (EHB); (KG)
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Zhang J, Wang S, Yuan L, Yang Y, Zhang B, Liu Q, Chen L, Yue W, Li Y, Pei X. Neuron-restrictive silencer factor (NRSF) represses cocaine- and amphetamine-regulated transcript (CART) transcription and antagonizes cAMP-response element-binding protein signaling through a dual NRSE mechanism. J Biol Chem 2012; 287:42574-87. [PMID: 23086924 DOI: 10.1074/jbc.m112.376590] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Cocaine- and amphetamine-regulated transcript (CART) peptide plays a pivotal role in neuroprotection against stroke-related brain injury. However, the regulatory mechanism on CART transcription, especially the repression mechanism, is not fully understood. Here, we show that the transcriptional repressor neuron-restrictive silencer elements (NRSF, also known as REST) represses CART expression through direct binding to two NRSF-binding elements (NRSEs) in the CART promoter and intron 1 (named pNRSE and iNRSE, respectively). EMSA show that NRSF binds to pNRSE and iNRSE directly in vitro. ChIP assays show that NRSF recruits differential co-repressor complexes including CoREST and HDAC1 to these NRSEs. The presence of both NRSEs is required for efficient repression of CART transcription as indicated by reporter gene assays. NRSF overexpression antagonizes forskolin-mediated up-regulation of CART mRNA and protein. Ischemia insult triggered by oxygen-glucose deprivation (OGD) enhances NRSF mRNA levels and then NRSF antagonizes the CREB signaling on CART activation, leading to augmented cell death. Depletion of NRSF in combination with forskolin treatment increases neuronal survival after ischemic insult. These findings reveal a novel dual NRSE mechanism by which NRSF represses CART expression and suggest that NRSF may serve as a therapeutic target for stroke treatment.
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Affiliation(s)
- Jing Zhang
- Stem Cell and Regenerative Medicine Laboratory, Beijing Institute of Transfusion Medicine, Beijing 100850, China
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Formisano L, Guida N, Valsecchi V, Pignataro G, Vinciguerra A, Pannaccione A, Secondo A, Boscia F, Molinaro P, Sisalli MJ, Sirabella R, Casamassa A, Canzoniero LMT, Di Renzo G, Annunziato L. NCX1 is a new rest target gene: role in cerebral ischemia. Neurobiol Dis 2012; 50:76-85. [PMID: 23069678 DOI: 10.1016/j.nbd.2012.10.010] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2012] [Revised: 09/12/2012] [Accepted: 10/05/2012] [Indexed: 01/01/2023] Open
Abstract
The Na(+)-Ca(2+) exchanger 1 (NCX1), a bidirectional transporter that mediates the electrogenic exchange of one calcium ion for three sodium ions across the plasma membrane, is known to be involved in brain ischemia. Since the RE1-silencing transcription factor (REST) is a key modulator of neuronal gene expression in several neurological conditions, we studied the possible involvement of REST in regulating NCX1 gene expression and activity in stroke. We found that: (1) REST binds in a sequence specific manner and represses through H4 deacetylation, ncx1 gene in neuronal cells by recruting CoREST, but not mSin3A. (2) In neurons and in SH-SY5Y cells REST silencing by siRNA and site-direct mutagenesis of REST consensus sequence on NCX1 brain promoter determined an increase in NCX1 promoter activity. (3) By contrast, REST overexpression caused a reduction in NCX1 protein expression and activity. (4) Interestingly, in rats subjected to transient middle cerebral artery occlusion (tMCAO) and in organotypic hippocampal slices or SH-SY5Y cells exposed to oxygen and glucose deprivation (OGD) plus reoxygenation (RX), the increase in REST was associated with a decrease in NCX1. However, this reduction was reverted by REST silencing. (5) REST knocking down, along with the deriving NCX1 overexpression in the deep V and VIb cortical layers caused a marked reduction in infarct volume after tMCAO. Double silencing of REST and NCX1 completely abolished neuroprotection induced by siREST administration. Collectively, these results demonstrate that REST, by regulating NCX1 expression, may represent a potential druggable target for the treatment of brain ischemia.
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Affiliation(s)
- Luigi Formisano
- Department of Neuroscience, School of Medicine Division of Pharmacology, Federico II University of Naples, Naples, Italy
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ZHANG J, LI YH, PEI XT. Regulatory Role of NRSF/REST on Development and Differentiation of Stem Cells*. PROG BIOCHEM BIOPHYS 2011. [DOI: 10.3724/sp.j.1206.2011.00047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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Li B, Wang S, Liu H, Liu D, Zhang J, Zhang B, Yao H, Lv Y, Wang R, Chen L, Yue W, Li Y, Pei X. Neuronal restrictive silencing factor silencing induces human amniotic fluid-derived stem cells differentiation into insulin-producing cells. Stem Cells Dev 2010; 20:1223-31. [PMID: 20942606 DOI: 10.1089/scd.2010.0195] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Islet cell replacement represents the most promising approach for the treatment of type I diabetes. However, it is limited by a shortage of pancreas donors. Here, we report that human amniotic fluid-derived stem cells (hAFSCs) can be induced to differentiate into functional insulin-producing cells by knocking down neuronal restrictive silencing factor (NRSF). In this study, lentiviral vectors were used to deliver small interference NRSF (siNRSF) RNA into hAFSCs. After infection with lentivirus containing siNRSF, hAFSCs were successfully induced to differentiate into insulin-producing cells. The differentiated siNRSF-hAFSCs expressed genes specific for islet cells, such as Pdx1, Hnf4α, Isl-1, Nkx6.1, Insulin, and Glut2. These cells also produced and released C-peptide in a glucose-responsive manner. These findings indicated that hAFSCs could be induced to differentiate into insulin-producing β-like cells by NRSF silencing.
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Affiliation(s)
- Baowei Li
- Stem Cells and Regenerative Medicine Lab, Beijing Institute of Transfusion Medicine, Beijing, China
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Ling F, Wei L, Wang T, Chen Y, Zhu X, Li J, Liu T, Du H, Wang H, Wang J. Cloning and characterization of the 5'-flanking region of the pig cocaine- and amphetamine-regulated transcript gene. DNA Cell Biol 2010; 30:91-7. [PMID: 21091201 DOI: 10.1089/dna.2010.1101] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
The cocaine- and amphetamine-regulated transcript (CART) gene encodes an anorexigenic peptide. It has a key role in the hypothalamic regulation of energy balance through reducing food intake and enhancing lipid substrate utilization. To detect the CART expression pattern in pigs, reverse transcription (RT)-polymerase chain reaction (PCR) and real-time PCR were performed in various tissues. Our RT-PCR results revealed that the pig CART gene was ubiquitously expressed in all examined tissues including hypothalamus, m. longissimus, backfat, heart, liver, spleen, lung, kidney, stomach, bladder, belly fat, brain, large intestine, lymph, and skin. Real-time quantitative PCR experiments revealed that the cDNA level of CART in both the hypothalamus and backfat of adult Landrace pig (lean-type) was significantly higher than that of Chinese indigenous Lantang pig (fat-type), and it was in the hypothalamus where the highest expression of CART was observed for both adult Lantang and Landrace pigs, compared with backfat and m. longissimus muscle. To understand the regulation of the pig CART gene, the 5'-flanking region was isolated from a pig bacterial artificial chromosome library and used in a luciferase reporter assay. A positive cis-acting element for efficient CART expression was identified at nucleotides -73 to -53, using 5'-serial deletion of the promoter. Electrophoretic mobility shift assays with competing oligonucleotides revealed that the critical region contained a cis-acting element for the zinc-binding protein factor, a zinc-finger transcription factor of the Kruppel family. This element has not been reported in human or mouse CART genes. Our results indicated that zinc-binding protein factor might be an essential regulatory factor for transcription of pig CART, providing important insight into mechanisms involved in energy homeostasis regulation in the porcine and human brain.
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Affiliation(s)
- Fei Ling
- School of Bioscience and Bioengineering, South China University of Technology, Guangzhou, PR China
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Abstract
Since its original discovery as a negative regulator of neuronal differentiation, the repressor element (RE)-1 silencing transcription factor (REST), also known as the neuron-restrictive silencer factor, has been implicated in novel processes such as maintenance of embryonic stem cell pluripotency and self-renewal and regulation of mitotic fidelity in non-neural cells. REST expression and activity is tightly controlled by transcriptional and post-transcriptional mechanisms in a cell and developmental stage-specific manner and perturbations in its levels or function are associated with various pathological states. REST differentially influences target-gene expression through interaction with a wide variety of cellular cofactors in a context-dependent manner. However, the influence of the microenvironment on REST-mediated regulation of gene expression is poorly understood. This review will present our current understanding of REST signaling with a greater focus on its emerging ties with noncoding RNAs and novel interacting partners, as well as its roles in embryonic stem cell self-renewal, cellular plasticity and oncogenesis/tumor suppression.
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Affiliation(s)
- Vidya Gopalakrishnan
- The University of Texas, MD Anderson Cancer Center, 1515 Holcombe Boulevard, Unit 843, Houston, TX 77030, USA
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