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Université de Fribourg

EEF1A1 deacetylation enables transcriptional activation of remyelination

Duman, Mert ; Vaquié, Adrien ; Nocera, Gianluigi ; Heller, Manfred ; Stumpe, Michael ; Sankar, Devanarayanan Siva ; Dengjel, Jörn ; Meijer, Dies ; Yamaguchi, Teppei ; Matthias, Patrick ; Zeis, Thomas ; Schaeren-Wiemers, Nicole ; Hayoz, Antoinette ; Ruff, Sophie ; Jacob, Claire

In: Nature Communications, 2020, vol. 11, no. 1, p. 3420

Remyelination of the peripheral and central nervous systems (PNS and CNS, respectively) is a prerequisite for functional recovery after lesion. However, this process is not always optimal and becomes inefficient in the course of multiple sclerosis. Here we show that, when acetylated, eukaryotic elongation factor 1A1 (eEF1A1) negatively regulates PNS and CNS remyelination. Acetylated eEF1A1...

Université de Fribourg

Phosphoproteomic profiling reveals a defined genetic program for osteoblastic lineage commitment of human bone marrow–derived stromal stem cells

Barrio-Hernandez, Inigo ; Jafari, Abbas ; Rigbolt, Kristoffer T.G. ; Hallenborg, Philip ; Sanchez-Quiles, Virginia ; Skovrind, Ida ; Akimov, Vyacheslav ; Kratchmarova, Irina ; Dengjel, Jörn ; Kassem, Moustapha ; Blagoev, Blagoy

In: Genome Research, 2020, vol. 30, no. 1, p. 127-137

Bone marrow–derived mesenchymal stem cells (MSCs) differentiate into osteoblasts upon stimulation by signals present in their niche. Because the global signaling cascades involved in the early phases of MSCs osteoblast (OB) differentiation are not well-defined, we used quantitative mass spectrometry to delineate changes in human MSCs proteome and phosphoproteome during the first 24 h of...

Università della Svizzera italiana

TET2 regulates mast cell differentiation and proliferation through catalytic and non-catalytic activities

Montagner, Sara ; Leoni, Cristina ; Emming, Stefan ; Della Chiara, Giulia ; Balestrieri, Chiara ; Barozzi, Iros ; Piccolo, Viviana ; Togher, Susan ; Ko, Myunggon ; Rao, Anjana ; Natoli, Gioacchino ; Monticelli, Silvia

In: Cell reports, 2016, vol. 15, no. 7, p. 1566-1579

Dioxygenases of the TET family impact genome functions by converting 5-methylcytosine (5mC) in DNA to 5-hydroxymethylcytosine (5hmC). Here, we identified TET2 as a crucial regulator of mast cell differentiation and proliferation. In the absence of TET2, mast cells showed disrupted gene expression and altered genome-wide 5hmC deposition, especially at enhancers and in the proximity of...

Università della Svizzera italiana

Regulatory control of DNA end resection by Sae2 phosphorylation

Cannavo, Elda ; Johnson, Dominic ; Andres, Sara N. ; Kissling, Vera M. ; Reinert, Julia K. ; Garcia, Valerie ; Erie, Dorothy A. ; Hess, Daniel ; Thomä, Nicolas H. ; Enchev, Radoslav I. ; Peter, Matthias ; Williams, R. Scott ; Neale, Matt J. ; Cejka, Petr

In: Nature communications, 2018, vol. 9, p. 4016

DNA end resection plays a critical function in DNA double-strand break repair pathway choice. Resected DNA ends are refractory to end-joining mechanisms and are instead channeled to homology-directed repair. Using biochemical, genetic, and imaging methods, we show that phosphorylation of Saccharomyces cerevisiae Sae2 controls its capacity to promote the Mre11-Rad50-Xrs2 (MRX) nuclease to...

Consortium of Swiss Academic Libraries

Hepatic glucose sensing and integrative pathways in the liver

Oosterveer, Maaike ; Schoonjans, Kristina

In: Cellular and Molecular Life Sciences, 2014, vol. 71, no. 8, p. 1453-1467

Université de Fribourg

Neuronal inputs and outputs of aging and longevity

Alcedo, Joy ; Flatt, Thomas ; Pasyukova, Elena G.

In: Frontiers in Genetics, 2013, vol. 4, p. -

An animal’s survival strongly depends on its ability to maintain homeostasis in response to the changing quality of its external and internal environment. This is achieved through intracellular and intercellular communication within and among different tissues. One of the organ systems that plays a major role in this communication and the maintenance of homeostasis is the nervous system....

Consortium of Swiss Academic Libraries

RNA turnover and chromatin-dependent gene silencing

Bühler, Marc

In: Chromosoma, 2009, vol. 118, no. 2, p. 141-151