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Reprogramming & Regeneration Laboratory

Marie Victoire’s paper has been published in Nature Structural & Molecular Biology. Marie Victoire's paper has been published in Nature Structural & Molecular Biology.

Our work on genome folding combining super-resolution microscopy and advance computational model has been published in Nature Structural & Molecular Biology. We have developed a strategy called MiOS (Modelling immuno-OligoSTORM) that allows to generate models of gene folding reaching nucleosome resolution. With MiOS we can explore how gene shape dynamically changes across cell types in health and disease. 

Maria Victoria Neguembor et al. October 2022 Nature Structural & Molecular Biology

https://pubmed.ncbi.nlm.nih.gov/36220894/

Cartoon representation of MiOS.

MiOS is like a 3D printer that processes imaging and sequencing data to generate 3D models of gene folding” Image by Laura Martin

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Comparison using a conventional microscope (left) to visualise the structure of NANOG gene, which shows up as a bright green spot vs. using MiOS (right) which can image individual genes.
Sergi’s paper has been published in eBiomedicine Sergi’s paper has been published in eBiomedicine

Fusing human retinal cells with adult stem cells could be a potential therapeutic strategy to treat retinal damage and visual impairment. We show that cell fusion between Muller Glia cells and adult stem cells can take place in human retinal model systems. The hybrids cells can differentiate towards neural fate and have potential to regenerate the tissue.

Bonilla-Pons SÀ et al. December 2021 eBiomedicine

https://authors.elsevier.com/sd/article/S2352396422000986

Alvaro’s paper has been published in Nucleic Acids Research Alvaro's paper has been published in Nucleic Acids Research

Previous techniques could visualize active areas of transcription, but not give precise information about their shape and size. We imaged nascent RNA spatial accumulations, which we termed RNA nanodomains. We characterized the RNA nanodomains and revealed how they interact with active RNA Polymerase II, the main component of the transcription machinery, and in turn, with small chromatin clutches, one of the smallest units of organization of the DNA fibers.

Castells-Garcia et al. December 2021 Nucleic Acids Research 

https://academic.oup.com/nar/advance-article/doi/10.1093/nar/gkab1215/6462398?searchresult=1

Vicky’s paper has been published in Molecular Cell Vicky's paper has been published in Molecular Cell

We showed that transcriptionally generated supercoiling regulates loop formation. The girl's blowing represents the force of transcriptionally generated supercoiling that promotes loop extrusion (bubbles forming) through cohesin (ring of stick). Bubbles depict different nuclear topologies. Excess of cohesin, supercoiling, and loops leads to chromatin blending (upper bubbles), while inhibition of transcription or topoisomerases brings decreased supercoiling and chromatin compaction (lower bubbles). Cover art from Laura Martin

Look at paper at this link: https://authors.elsevier.com/a/1dS8d3vVUPGJuH

Italian science day in the word 2021! Italian science day in the word 2021!

On the occasion of the Italian Science Day in the World, the Italian Cultural Institute and the Consulate General of Italy in Barcelona, ​​in collaboration with the Ayuntamiento of Barcelona (Tinència d'Alcaldia de Cultura, Educació, Ciència i Comunitat) are delighted to present: The MUSIC OF SCIENCE Initiative.

https://iicbarcellona.esteri.it/iic_barcellona/it/gli_eventi/calendario/2021/04/giornata-della-ricerca-italiana_0.html

https://www.youtube.com/watch?v=98x-h8ahsaw
H2020 FET-Open project awarded! H2020 FET-Open project awarded!

ECaBox "Eyes in a Care Box": Regenerating human retina from resuscitated cadaveric eyes.

We will create a device, the EcaBox, to resuscitate eyes from the dead. In collaboration with a number of Partners working in Universitat de Barcelona (UB), Institute for Bioengineering of Catalonia (IBEC), King’s College London (KCL) in the UK, the Association for the Advancement of Tissue Engineering and Cell Based Technologies & Therapies (A4TEC) in Portugal, AFERETICA in Italy and the Bar-Ilan University (BIU) in Israel, we will develop artificial blood, artificial vitreous to kick-starting the activity of retinal neurons and restoring eye function. ECaBox will be a transparent, cubic box that mimics conditions in the living human eye, maintaining the eye’s temperature and pH levels while avoiding blood clots and removing metabolic waste and toxins.

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