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By creating well-characterized in vitro models of human organs, this resource will enable future discovery-driven and translational research on rare genetic diseases, complex multifactorial diseases, and on cancer. Toward this goal, Europe’s leading organoid researchers as well as experts in single-cell sequencing, single-cell imaging, and computational data integration have teamed up. The HCA|Organoid project is one of six pilot actions funded by the EU Horizon 2020 Framework Program that will constitute European contributions to the “Human Cell Atlas” – an ambitious global initiative striving to advance biomedical research and therapy using single-cell technologies. The HCA|Organoid consortium comprises eight partners and will receive EUR 5 million in EU funding.
The HCA│Organoid project brings together a consortium of eight partner institutions including experts in organoid technology, single-cell profiling, advanced imaging, and bioinformatics from Austria, Germany, the Netherlands and Switzerland. IMBAs role within the consortium is to establish a comprehensive, sharable organoid resource: Based on methodology developed in Jürgen Knoblich’s laboratory, the group will establish a time-resolved single-cell atlas for brain organoids that will serve as a reference platform for the analysis of neuro-psychiatric diseases. The work is based on the cerebral organoid technology developed by the group in 2013 that has opened an entire field of possibilities for in vitro analysis of brain disorders. The Knoblich lab will also contribute to the imaging of brain organoids, and perform a disease centric pilot study.
In addition to its initial focus on single-cell profiling of brain and colon organoids, the project seeks to initiate an open, collaborative network of researchers and initiatives aimed at the single-cell characterization of a diverse set of human organoids. will perform a disease centric pilot study in the course of the project.
Single-cell technologies provide a fundamentally new perspective for understanding biology, with profound potential to enable therapeutic advances and to put Europe at the forefront of personalized medicine and regenerative biology. In order to streamline research and accelerate scientific progress in this area, the Human Cell Atlas (HCA) initiative provides worldwide coordination toward the goal of establishing comprehensive reference maps of all cell types in the human body.
Within the global context provided by the HCA, the new European research project HCA│Organoid has set out to establish an “Organoid Cell Atlas”. This initiative will firmly establish single-cell analysis of human organoids within the HCA and thereby advance biomedical research. This vision is outlined in a strategy paper that is publicly available as a preprint (doi:10.5281/zenodo.4001718). In a nutshell, researchers will use single-cell data as a “Rosetta stone”, helping to translate between results obtained from tissue samples of patients and analyses of the experimentally more flexible organoids grown in vitro (which constitute “patient avatars” in the laboratory). For example, researchers may identify a novel disease-associated cell type in primary patient samples, create equivalent cells in human organoids, and then investigate potential therapeutic strategies in vitro.
Toward realizing this vision, HCA|Organoid project will initially focus on establishing single-cell transcriptomes, epigenomes, and time-series imaging of human organoids and matched primary tissue from healthy donors. The project will derive and comprehensively characterize human brain and colon organoids from 100 individuals each, in order to capture population variation and to establish a comprehensive reference for disease-centric research. The single-cell maps will be integrated into a public Organoid Cell Atlas Portal, which will provide user-friendly access to single-cell data of organoids in connection to human primary samples. This scientific resource will support several proof-of-concept studies, for example focusing on disease modeling for genetic epilepsy in brain organoids, on organoid cancer models, and on the characterization of disease-linked genetic variants in colon organoids.
“There are already impressive examples on how organoids can help advance personalized medicine and we are excited to be part of this outstanding team bridging various disciplines and paving the way for the medicine of the future,” says Jürgen Knoblich, scientific director at IMBA and HCA project partner.
More information about the HCA|Organoid project: www.hca-organoid.euFollow us on Twitter: @OrganoidAtlas
About the Human Cell Atlas
The Human Cell Atlas (HCA) initiative aims to create molecular reference maps of all human cells to pool and expand knowledge of the diverse cells found within the human body. The goal is to better understand human health, but also to improve diagnosis, monitoring and treatment of diseases. As a contribution to this global initiative, the European Commission is funding six pilot actions within the Horizon 2020 Research and Innovation Framework Programme (www.humancellatlas.org/euh2020). Each of those projects has been designed to characterize single cells or their nuclear components, their interactions and/or spatial location in tissues from one human organ, using state-of-the-art singe cell technologies, analytical methods and computational tools, and brings together European experts in the respective fields who are joining their efforts to support the creation of the HCA.
· CeMM Research Center for Molecular Medicine of the Austrian Academy of Sciences, Austria
· Institute of Molecular Biotechnology of the Austrian Academy of Sciences (IMBA), Austria
· Princess Máxima Center for Pediatric Oncology BV (PMC), The Netherlands
· Hubrecht Organoid Technology (HUB), The Netherlands
· Friedrich Miescher Institute for Biomedical Research (FMI), Switzerland
· German Cancer Research Center (DKFZ), Germany
· European Bioinformatics Institute (EMBL-EBI), United Kingdom
· European Research and Project Office GmbH (EURICE), Germany