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Leiden University Medical Center

Leiden, The Netherlands   

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LUMC is a leading university medical center dedicated to research, education and patient care, with a strong emphasis on scientific innovation. Within the Leiden University Center for Infectious Diseases department, the Molecular Immunology team specializes in investigating antigen-specific antibody responses at the single B cell and monoclonal antibody level.  The team has developed advanced multi-omics platforms and bioinformatics pipelines to characterize effective B cell mediated immunity in humans following infections and vaccinations. Through collaborations with national and international scientists, the team has built a broad research portfolio spanning multiple infectious diseases in diverse human populations. The overarching aim of the team is to define the molecular principles underlying antigen-specific B cell responses to infectious pathogens, ultimately guiding the development of next-generation vaccines.   

Project Team

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Dr. Rajagopal Murugan

I am a B cell immunologist and lead the Molecular Immunology team at Leiden University Medical Center (LUMC) in the Netherlands. Our team aims to uncover the fundamental principles that govern effective and durable B cell immunity in humans following infection or vaccination. To achieve this, we develop innovative multi-omics approaches, complemented by advanced bioinformatics pipelines, to characterize immune response quality at the level of single B cells and monoclonal antibodies. I gained single B cell expertise during my PhD and postdoctoral work in Germany, and I am now expanding this work to include multi-omics within my recently established team at LUMC. With a central focus on B cell immunology, our research addresses variations in immune response quality across infectious diseases such as malaria, COVID-19 and yellow fever, as well as the modulation of responses during immunoregulatory helminth infections, including schistosomiasis and hookworm infections. Through our international collaborators, I aim to uncover the molecular mechanisms underlying protective B cell responses, ultimately providing a blueprint for future vaccine design. 

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Dr. Kurt Grech 

I am a cross-disciplinary Biomedical scientist interested in data-driven approaches to immunological research. With a background in clinical laboratory science, I recently completed a master’s in biomedical science at Radboud University (Netherlands), where I developed strong computational skills for the analysis of large-scale immunological datasets. For my PhD project, I aim to understand the mechanisms responsible for protective and long-lasting immunity to vaccination and to contrast these with signatures of immunological hypo-responsiveness. To investigate this, I will be carrying out a comparative analysis of the immune response to vaccination against tropical diseases such as Malaria and Yellow fever by integrating single cell omics data with functional assays to derive mechanistic insight into vaccine response. 

Project tasks

Work Package 2 Identification of host factors that predict and influence the vaccine response to YF17D

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  • Task 2.7. Lead: Serologically characterise cohorts from Tanzania CapTan study (M25-M60) 

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Work Package 3 Long-term protective memory response after vaccination

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  • Task 3.1. Analysis of number, phenotype, epitope-specificity and B cell receptor repertoire profile of YFV and TBE memory B cells

  • Task 3.2. Lead: Cloning of neutralising antibodies and interrogation of binding sites

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