Multi-Omics Data Fusion for Enabling Precision Medicine


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This webinar co-organised by the VPHi Young Scientists Committee and the Barcelona International Summer School, was streamed live on Wednesday 5 June 2024 at 9:30am CEST

Prof Natasa Przulj from Barcelona Supercomputing Centre and ICREA, gave a keynote lecture on "Multi-Omics Data Fusion for Enabling Precision Medicine".

Abstract:

Large quantities of heterogeneous, interconnected, systems-level, molecular (multi-omic) data are increasingly becoming available. They provide complementary information about cells, tissues and diseases. We need to utilize them to better stratify patients into risk groups, discover new biomarkers, re-purpose known and discover new drugs to personalize medical treatment. This is nontrivial, because of computational intractability of many underlying problems on large interconnected data (networks, or graphs), necessitating the development of new algorithms for finding approximate solutions (heuristics).

We develop a versatile data fusion (integration) artificial intelligence (AI) framework, that also utilizes the state-of-the-art network science methods, to address key challenges in precision medicine from these multi-omics data: better stratification of patients, prediction of biomarkers, and re-purposing of approved drugs to particular patient groups, applied to cancers, Covid-19, Parkinsonā€™s and other diseases. Our new methods stem from graph-regularized non-negative matrix tri-factorization (NMTF), a machine learning technique for dimensionality reduction, inference and co-clustering of heterogeneous datasets, coupled with novel network science algorithms. We utilize our new frameworks to develop methodologies for improving the understanding the molecular organization and diseases from the omics data embedding spaces.

Biosketch:

Academician Professor Doctor Natasa Przulj holds a prestigious Catalan Institution for Research and Advanced Studies (ICREA) Research Professorship at Barcelona Supercomputing Center and is also a Full Professor of Computer Science at University College London. She was elected into several academies: Fellow of the International Society for Computational Biology (ISCB), in 2024; The European Laboratory for Learning and Intelligent Systems ā€“ ELLIS, in 2022; The Serbian Royal Academy of Scientists and Artists (SKANU), in 2019; Academia Europaea, The Academy of Europe, in 2017; Fellow of the British Computer Society (BCS) Academy of Computing, in 2013; and Scientific Advisor of the Mathematics Institute of the Serbian Academy of Sciences and Arts (SANU), in 2012. In 2014, she received the BCS Roger Needham Award, sponsored by Microsoft Research, in recognition of the potential her research has to revolutionize health and pharmaceutics. She obtained a PhD in Computer Science from the University of Toronto in 2005.

Prof. Przulj is a leader in Artificial Intelligence (AI) and data science algorithms for biomedical and multi-omic data analysis and fusion applied to precision medicine. She published 86 peer-reviewed journal and 18 peer-reviewed conference papers in the most prestigious venues, including four in Science, also 13 peer-reviewed book chapters and 2 books. Her research has been cited over 13,150 times, h-index=50, i10-index=76 (Google Scholar), and supported by over ā‚¬25 million in competitive research funding. Notably, she received three prestigious, single PI, European Research Council (ERC) grants: ERC Consolidator (2018-2025), ERC Proof of Concept (2020-2023) and ERC Starting (2012-2017).


This webinar is organised within the VPHi Keynote Webinar series, a quarterly event organized by the VPHi Young Scientists Committee that provides a forum for access to senior community members and their expert competence for chiefly young scientists, but also to the VPH community as a whole.

With the series, VPHi wishes to:

  • Offer added value to prospective young scientists through core content
  • Create visibility of VPH knowledge dissemination for external stakeholders
  • Highlight excellence within the VPHi, additionally providing student members with a label of quality
  • Promote scientific interaction between junior and senior community members and across VPHi disciplines

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