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3 results on '"Moksa, Malgorzata M."'

1. MeCP2-E1 isoform is a dynamically expressed, weakly DNA-bound protein with different protein and DNA interactions compared to MeCP2-E2

Author

Martínez de Paz, Alexia, Khajavi, Leila, Martin, Hélène, Claveria-Gimeno, Rafael, Tom Dieck, Susanne, Cheema, Manjinder S., Sanchez-Mut, Jose V., Moksa, Malgorzata M., Carles, Annaick, Brodie, Nick I., Sheikh, Taimoor I., Freeman, Melissa E., Petrotchenko, Evgeniy V., Borchers, Christoph H., Schuman, Erin M., Zytnicki, Matthias, Velazquez-Campoy, Adrian, Abian, Olga, Hirst, Martin, Esteller, Manel, Vincent, John B., Malnou, Cécile E., and Ausió, Juan

Published
2019
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2. MeCP2-E1 isoform is a dynamically expressed, weakly DNA-bound protein with diferent protein and DNA interactions compared to MeCP2-E2

Author

Canadian Institutes of Health Research, Genome British Columbia, University of Victoria, McGill University, Max Planck Society, German Research Foundation, European Commission, Ministerio de Economía y Competitividad (España), Instituto de Salud Carlos III, Ministerio de Educación, Cultura y Deporte (España), Canadian Cancer Society Research Institute, Fundación la Caixa, Generalitat de Catalunya, Calcul en Midi-Pyrénées, Centro Nacional de Investigaciones Oncológicas (España), SCOAP, Ausió, Juan [0000-0002-9674-6717], Martínez de Paz, Alexia, Khajavi, Leila, Martin, Hélène, Claveria-Gimeno, Rafael, Dieck, S. T., Cheema, Manjinder S., Sánchez-Mut, José V., Moksa, Malgorzata M., Carles, Annaick, Brodie, Nick I., Sheikh, Taimoor I., Freenan, Melissa E., Petrotchenko, Evgeniy V., Borchers, Christoph H., Schuman, Erin M., Zytnicki, Matthias, Velázquez-Campoy, Adrián, Abian, Olga, Hirst, Martin, Estelller, Manel, Vincent, John B., Malnou, Cécile E., Ausió, Juan, Canadian Institutes of Health Research, Genome British Columbia, University of Victoria, McGill University, Max Planck Society, German Research Foundation, European Commission, Ministerio de Economía y Competitividad (España), Instituto de Salud Carlos III, Ministerio de Educación, Cultura y Deporte (España), Canadian Cancer Society Research Institute, Fundación la Caixa, Generalitat de Catalunya, Calcul en Midi-Pyrénées, Centro Nacional de Investigaciones Oncológicas (España), SCOAP, Ausió, Juan [0000-0002-9674-6717], Martínez de Paz, Alexia, Khajavi, Leila, Martin, Hélène, Claveria-Gimeno, Rafael, Dieck, S. T., Cheema, Manjinder S., Sánchez-Mut, José V., Moksa, Malgorzata M., Carles, Annaick, Brodie, Nick I., Sheikh, Taimoor I., Freenan, Melissa E., Petrotchenko, Evgeniy V., Borchers, Christoph H., Schuman, Erin M., Zytnicki, Matthias, Velázquez-Campoy, Adrián, Abian, Olga, Hirst, Martin, Estelller, Manel, Vincent, John B., Malnou, Cécile E., and Ausió, Juan

Abstract

BACKGROUND: MeCP2-a chromatin-binding protein associated with Rett syndrome-has two main isoforms, MeCP2-E1 and MeCP2-E2, differing in a few N-terminal amino acid residues. Previous studies have shown brain region-specific expression of these isoforms which, in addition to their different cellular localization and differential expression during brain development, suggest that they may also have non-overlapping molecular mechanisms. However, differential functions of MeCP2-E1 and E2 remain largely unexplored. RESULTS: Here, we show that the N-terminal domains (NTD) of MeCP2-E1 and E2 modulate the ability of the methyl-binding domain (MBD) to interact with DNA as well as influencing the turn-over rates, binding dynamics, response to neuronal depolarization, and circadian oscillations of the two isoforms. Our proteomics data indicate that both isoforms exhibit unique interacting protein partners. Moreover, genome-wide analysis using ChIP-seq provide evidence for a shared as well as a specific regulation of different sets of genes. CONCLUSIONS: Our study supports the idea that Rett syndrome might arise from simultaneous impairment of cellular processes involving non-overlapping functions of MECP2 isoforms. For instance, MeCP2-E1 mutations might impact stimuli-dependent chromatin regulation, while MeCP2-E2 mutations could result in aberrant ribosomal expression. Overall, our findings provide insight into the functional complexity of MeCP2 by dissecting differential aspects of its two isoforms.

Published
2019

3. MeCP2-E1 isoform is a dynamically expressed, weakly DNA-bound protein with different protein and DNA interactions compared to MeCP2-E2

Author

de Paz, Alexia Martínez, primary, Khajavi, Leila, additional, Martin, Hélène, additional, Claveria-Gimeno, Rafael, additional, Dieck, Susanne tom, additional, Cheema, Manjinder S., additional, Sanchez-Mut, Jose V., additional, Moksa, Malgorzata M., additional, Carles, Annaick, additional, Brodie, Nick I., additional, Sheikh, Taimoor I., additional, Freeman, Melissa E., additional, Petrotchenko, Evgeniy V., additional, Borchers, Christoph H., additional, Schuman, Erin M., additional, Zytnicki, Matthias, additional, Velazquez-Campoy, Adrian, additional, Abian, Olga, additional, Hirst, Martin, additional, Esteller, Manel, additional, Vincent, John B., additional, Malnou, Cécile E., additional, and Ausió, Juan, additional

Published
2018
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