Reversible photoregulation of cell-cell adhesions with opto-E-cadherin

Brice Nzigou Mombo, Brent M. Bijonowski, Christopher A. Raab, Stephan Niland, Katrin Brockhaus, Marc Müller, Johannes A. Eble and Seraphine V. Wegner ()
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Brice Nzigou Mombo: University of Münster
Brent M. Bijonowski: University of Münster
Christopher A. Raab: University of Münster
Stephan Niland: University of Münster
Katrin Brockhaus: University of Münster
Marc Müller: University of Münster
Johannes A. Eble: University of Münster
Seraphine V. Wegner: University of Münster

Nature Communications, 2023, vol. 14, issue 1, 1-15

Abstract: Abstract E-cadherin-based cell-cell adhesions are dynamically and locally regulated in many essential processes, including embryogenesis, wound healing and tissue organization, with dysregulation manifesting as tumorigenesis and metastasis. However, the lack of tools that would provide control of the high spatiotemporal precision observed with E-cadherin adhesions hampers investigation of the underlying mechanisms. Here, we present an optogenetic tool, opto-E-cadherin, that allows reversible control of E-cadherin-mediated cell-cell adhesions with blue light. With opto-E-cadherin, functionally essential calcium binding is photoregulated such that cells expressing opto-E-cadherin at their surface adhere to each other in the dark but not upon illumination. Consequently, opto-E-cadherin provides remote control over multicellular aggregation, E-cadherin-associated intracellular signalling and F-actin organization in 2D and 3D cell cultures. Opto-E-cadherin also allows switching of multicellular behaviour between single and collective cell migration, as well as of cell invasiveness in vitro and in vivo. Overall, opto-E-cadherin is a powerful optogenetic tool capable of controlling cell-cell adhesions at the molecular, cellular and behavioural level that opens up perspectives for the study of dynamics and spatiotemporal control of E-cadherin in biological processes.

Date: 2023
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DOI: 10.1038/s41467-023-41932-0

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