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dc.contributor.author | Sancho, Mónica | - |
dc.contributor.author | Diani, Erika | - |
dc.contributor.author | Beato, Miguel | - |
dc.contributor.author | Jordan, Albert | - |
dc.date.accessioned | 2015-04-21T10:54:02Z | - |
dc.date.available | 2015-04-21T10:54:02Z | - |
dc.date.issued | 2008-10-17 | - |
dc.identifier | doi: 10.1371/journal.pgen.1000227 | - |
dc.identifier | issn: 1553-7390 | - |
dc.identifier.citation | PLoS Genetics 4(10): e1000227 (2008) | - |
dc.identifier.uri | http://hdl.handle.net/10261/113927 | - |
dc.description.abstract | At least six histone H1 variants exist in somatic mammalian cells that bind to the linker DNA and stabilize the nucleosome particle contributing to higher order chromatin compaction. In addition, H1 seems to be actively involved in the regulation of gene expression. However, it is not well known whether the different variants have distinct roles or if they regulate specific promoters. We have explored this by inducible shRNA-mediated knock-down of each of the H1 variants in a human breast cancer cell line. Rapid inhibition of each H1 variant was not compensated for by changes of expression of other variants. Microarray experiments have shown a different subset of genes to be altered in each H1 knock-down. Interestingly, H1.2 depletion caused specific effects such as a cell cycle G1-phase arrest, the repressed expression of a number of cell cycle genes, and decreased global nucleosome spacing. On its side, H1.4 depletion caused cell death in T47D cells, providing the first evidence of the essential role of an H1 variant for survival in a human cell type. Thus, specific phenotypes are observed in breast cancer cells depleted of individual histone H1 variants, supporting the theory that distinct roles exist for the linker histone variants. © 2008 Sancho et al. | - |
dc.description.sponsorship | This work was supported by grants from the Departament d'Universitats, Recerca i Societat de la Informacio (DURSI), and Ministerio de Ciencia y Tecnología (MCYT) and FEDER (SAF2002-03320). AJ was recipient of a ‘Ramón y Cajal’ appointment from the MCYT; MS was recipient of a FPI predoctoral fellowship from the Ministerio de Educación; ED was recipient of a Leonardo da Vinci-Unipharma short-term fellowship from the European Union | - |
dc.publisher | Public Library of Science | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.title | Depletion of human histone H1 variants uncovers specific roles in gene expression and cell growth | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1371/journal.pgen.1000227 | - |
dc.relation.publisherversion | http://dx.doi.org/10.1371/journal.pgen.1000227 | - |
dc.date.updated | 2015-04-21T10:54:02Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.identifier.pmid | 18927631 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
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Sancho-PLoS-Genetics-2008-v4-n10-e1000227.pdf | 925,12 kB | Adobe PDF | Visualizar/Abrir |
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