Our research focuses on the differentiation and function of epithelia and endothelia and how their deregulation and malfunction leads to acute and chronic diseases. An important function of epithelia and endothelia is to form barriers that separate tissue compartments. Epithelial and endothelial cells adhere to each other via a set of specialised intercellular junctions. Tight junctions are the intercellular junction that directly contributes to the barrier function by sealing the space between neighbouring cells. Intercellular junctions do not only mediate cell-cell adhesion but also signal to the cell interior to guide cell proliferation, differentiation and behaviour. We are interested in
- how epithelia and endothelia differentiate and polarize
- how junctions assemble
- the molecular mechanisms by which they transmit signals to the cell interior
- how they contribute to the coordination of multicellular processes
- how their deregulation leads to tissue malfunction and disease
![Localization of apical determinants Dbl3 and ezrin by super-resolution microscopy… Localization of apical determinants Dbl3 and ezrin by super-resolution microscopy…](https://www.ucl.ac.uk/ioo/sites/ioo/files/styles/medium_image/public/migrated-images/Slide6.jpg?itok=p2S62nNs)
![Attenuation of tumour cell migration by the junctional protein MarvelD3… Attenuation of tumour cell migration by the junctional protein MarvelD3…](https://www.ucl.ac.uk/ioo/sites/ioo/files/styles/medium_image/public/migrated-images/Slide5.jpg?itok=BsukXg1n)
![Redistribution of F-actin and active myosin from junctions to focal adhesions in ZO-1 depleted endothelial cells… Redistribution of F-actin and active myosin from junctions to focal adhesions in ZO-1 depleted endothelial cells…](https://www.ucl.ac.uk/ioo/sites/ioo/files/styles/medium_image/public/migrated-images/Slide3.jpg?itok=cbuGMJTh)