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Pediatric Immunology Research | Georg Holländer

The focus of the research of the Laboratory of Pediatric Immunology is to delineate the molecular and cellular pathways that govern regular thymus organogenesis and function. Specifically, the lab is interested in:

  • the genetic and epigenetic control of thymic epithelial cell (TEC) differentiation and function,
  • the phenotypic nature and developmental potential of fetal and adult TEC precursor cells,
  • the molecular profile of mature cortical and Aire-expressing medullary TEC

Advancing thymus research: tools and insights into TEC biology

Using gene targeting we have generated unique tools that allow compartment-specific, experimental gain- and loss-of-function models in mice to interrogate aspects of thymus development and function at the cellular and molecular level.

A special interest of our research is focused on studying the role of specific transcription factors such as Foxn1 and understanding the epigenetic «code» that determine the regulatory principles operative in TEC biology. Taking advantage of different molecular methods integrating imaging, flow cytometry, spatial transcriptomics and epigenomics, we analyze specific TEC subpopulations at distinct developmental stages in health and disease. Numerical, structural and functional changes in TEC are related to to the ability to maintain regular immunological functions, in particular the establishment and maintenance of immunological tolerance.

Main projects: thymic epithelial cell (TEC) development and function

  • The role of the transcription factor Foxn1 in thymic epithelial cell lineage commitment and function.
  • The role of specific miRNA in TEC differentiation and function.
  • The role of epigenetics in TEC differentiation into distinct lineages and their competence to promiscuously express protein-coding genes.

The research group has a «Sister laboratory» at the Weatherall Institute for Molecular Medicine, University of Oxford, United Kingdom

Research group members

  • Thomas Barthlott, PhD
  • Julian Behr, PhD student
  • Irene Calvo-Asensio, PhD
  • Martha Gaio, administrative assistent
  • Veysel Kaya, PhD student
  • Anja Kusch, PhD student
  • Lucas Musette, PhD student
  • Saulius Zuklys, PhD
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University Children's Hospital Basel
Spitalstrasse 33
4056 Basel | CH

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