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Genetic Modifiers of MeCP2 Function in Drosophila
The levels of methyl-CpG–binding protein 2 (MeCP2) are critical for normal post-natal development and function of the nervous system. Loss of function of MeCP2, a transcriptional regulator involved in chromatin remodeling, causes classic Rett syndrome (RTT) as well as other related conditions charac...
Autores principales: | , , , , , |
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Formato: | Texto |
Lenguaje: | English |
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Public Library of Science
2008
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Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2518867/ https://www.ncbi.nlm.nih.gov/pubmed/18773074 http://dx.doi.org/10.1371/journal.pgen.1000179 |
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author | Cukier, Holly N. Perez, Alma M. Collins, Ann L. Zhou, Zhaolan Zoghbi, Huda Y. Botas, Juan |
author_facet | Cukier, Holly N. Perez, Alma M. Collins, Ann L. Zhou, Zhaolan Zoghbi, Huda Y. Botas, Juan |
author_sort | Cukier, Holly N. |
collection | PubMed |
description | The levels of methyl-CpG–binding protein 2 (MeCP2) are critical for normal post-natal development and function of the nervous system. Loss of function of MeCP2, a transcriptional regulator involved in chromatin remodeling, causes classic Rett syndrome (RTT) as well as other related conditions characterized by autism, learning disabilities, or mental retardation. Increased dosage of MeCP2 also leads to clinically similar neurological disorders and mental retardation. To identify molecular mechanisms capable of compensating for altered MeCP2 levels, we generated transgenic Drosophila overexpressing human MeCP2. We find that MeCP2 associates with chromatin and is phosphorylated at serine 423 in Drosophila, as is found in mammals. MeCP2 overexpression leads to anatomical (i.e., disorganized eyes, ectopic wing veins) and behavioral (i.e., motor dysfunction) abnormalities. We used a candidate gene approach to identify genes that are able to compensate for abnormal phenotypes caused by MeCP2 increased activity. These genetic modifiers include other chromatin remodeling genes (Additional sex combs, corto, osa, Sex combs on midleg, and trithorax), the kinase tricornered, the UBE3A target pebble, and Drosophila homologues of the MeCP2 physical interactors Sin3a, REST, and N-CoR. These findings demonstrate that anatomical and behavioral phenotypes caused by MeCP2 activity can be ameliorated by altering other factors that might be more amenable to manipulation than MeCP2 itself. |
format | Text |
id | pubmed-2518867 |
institution | National Center for Biotechnology Information |
language | English |
publishDate | 2008 |
publisher | Public Library of Science |
record_format | MEDLINE/PubMed |
spelling | pubmed-25188672008-09-05 Genetic Modifiers of MeCP2 Function in Drosophila Cukier, Holly N. Perez, Alma M. Collins, Ann L. Zhou, Zhaolan Zoghbi, Huda Y. Botas, Juan PLoS Genet Research Article The levels of methyl-CpG–binding protein 2 (MeCP2) are critical for normal post-natal development and function of the nervous system. Loss of function of MeCP2, a transcriptional regulator involved in chromatin remodeling, causes classic Rett syndrome (RTT) as well as other related conditions characterized by autism, learning disabilities, or mental retardation. Increased dosage of MeCP2 also leads to clinically similar neurological disorders and mental retardation. To identify molecular mechanisms capable of compensating for altered MeCP2 levels, we generated transgenic Drosophila overexpressing human MeCP2. We find that MeCP2 associates with chromatin and is phosphorylated at serine 423 in Drosophila, as is found in mammals. MeCP2 overexpression leads to anatomical (i.e., disorganized eyes, ectopic wing veins) and behavioral (i.e., motor dysfunction) abnormalities. We used a candidate gene approach to identify genes that are able to compensate for abnormal phenotypes caused by MeCP2 increased activity. These genetic modifiers include other chromatin remodeling genes (Additional sex combs, corto, osa, Sex combs on midleg, and trithorax), the kinase tricornered, the UBE3A target pebble, and Drosophila homologues of the MeCP2 physical interactors Sin3a, REST, and N-CoR. These findings demonstrate that anatomical and behavioral phenotypes caused by MeCP2 activity can be ameliorated by altering other factors that might be more amenable to manipulation than MeCP2 itself. Public Library of Science 2008-09-05 /pmc/articles/PMC2518867/ /pubmed/18773074 http://dx.doi.org/10.1371/journal.pgen.1000179 Text en Cukier et al. http://creativecommons.org/licenses/by/4.0/ This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are properly credited. |
spellingShingle | Research Article Cukier, Holly N. Perez, Alma M. Collins, Ann L. Zhou, Zhaolan Zoghbi, Huda Y. Botas, Juan Genetic Modifiers of MeCP2 Function in Drosophila |
title | Genetic Modifiers of MeCP2 Function in Drosophila
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title_full | Genetic Modifiers of MeCP2 Function in Drosophila
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title_fullStr | Genetic Modifiers of MeCP2 Function in Drosophila
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title_full_unstemmed | Genetic Modifiers of MeCP2 Function in Drosophila
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title_short | Genetic Modifiers of MeCP2 Function in Drosophila
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title_sort | genetic modifiers of mecp2 function in drosophila |
topic | Research Article |
url | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2518867/ https://www.ncbi.nlm.nih.gov/pubmed/18773074 http://dx.doi.org/10.1371/journal.pgen.1000179 |
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