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Title: Disruption of NIPBL/Scc2 in Cornelia de Lange Syndrome provokes cohesin genome-wide redistribution with an impact in the transcriptome
Author: Garcia, Patricia
Fernández Hernández, Rita
Cuadrado, Ana
Coca, Ignacio
Gomez, Antonio
Maqueda, Maria
Latorre Pellicer, Ana
Puisac, Beatriz
Ramos, Feliciano J.
Sandoval, Juan
Esteller, Manel
Mosquera Mayo, José Luís
Rodriguez, Jairo
Pié, J.
Losada, Ana
Queralt, Ethel
Keywords: Malalties rares
Rare diseases
Issue Date: 27-Jul-2021
Publisher: Springer Science and Business Media LLC
Abstract: Cornelia de Lange syndrome (CdLS) is a rare disease affecting multiple organs and systems during development. Mutations in the cohesin loader, NIPBL/Scc2, were first described and are the most frequent in clinically diagnosed CdLS patients. The molecular mechanisms driving CdLS phenotypes are not understood. In addition to its canonical role in sister chromatid cohesion, cohesin is implicated in the spatial organization of the genome. Here, we investigate the transcriptome of CdLS patient-derived primary fibroblasts and observe the downregulation of genes involved in development and system skeletal organization, providing a link to the developmental alterations and limb abnormalities characteristic of CdLS patients. Genome-wide distribution studies demonstrate a global reduction of NIPBL at the NIPBL-associated high GC content regions in CdLS-derived cells. In addition, cohesin accumulates at NIPBL-occupied sites at CpG islands potentially due to reduced cohesin translocation along chromosomes, and fewer cohesin peaks colocalize with CTCF.
Note: Reproducció del document publicat a:
It is part of: Nature Communications, 2021, vol. 12, num. 4551
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Appears in Collections:Articles publicats en revistes (Institut d'lnvestigació Biomèdica de Bellvitge (IDIBELL))

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