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How to Build an Eye - Dissecting the coordination between cellular rearrangements and the interplay with material properties of the tissue during Optic Cup Morphogenesis

Project description

Insight into organ formation

The generation of organs during development is a complex process that requires the intricate coordination between molecular factors and mechanical forces. Our understanding of this crosstalk and its translation into cell differentiation, movement and tissue patterning is limited. The EU-funded HowToBE project uses the zebrafish retina as a model system to study 3D shape formation during organogenesis. Researchers will study at the single-cell level the morphogenetic events, the time they take place and their morphological impact on the emerging tissue. Not only will results provide fundamental knowledge in optic cup formation, but they can extend to other tissues as well.

Objective

Organogenesis arises from the collective arrangement of cells into a progressively 3D shaped tissue. The acquisition of a correct shaped organ is a result of a complex interplay between molecular cues, responsible for differentiation and patterning, and the mechanical properties of the system, which generate the necessary forces that drive correct shape emergence. Therefore, it is important to understand how the cross talk between these two players leads to changes in cell behaviours and how these changes are translated into epithelial sheet movement and, consequently, to morphogenesis. This project aims to contribute to a global understanding of shape formation during organogenesis, by using the vertebrate retina as a model system. I will use the zebrafish optic cup, with its unmatched possibilities for in vivo 3D imaging and manipulation, to dissect the biomechanical events at single cell level, that collectively lead to shape emergence. I will then test if the identified crosstalk of morphogenetic events is kept in other time scales of optic cup formation, by studying a slower developing organism. Alongside with experimental approaches, a physical model of the mechanics and shape dynamics of OCF, based on the experimental data of morphological changes, will be generated and experimentally tested. The multidisciplinary approach of this project and the revealed mechanisms of OCF in 3D will have the potential to be applied in other morphogenetic studies of 3D curved tissues.

Fields of science (EuroSciVoc)

Keywords

Programme(s)

Topic(s)

Funding Scheme

MSCA-IF - Marie Skłodowska-Curie Individual Fellowships (IF)

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Call for proposal

(opens in new window) H2020-WF-2018-2020

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Coordinator

FUNDACAO CALOUSTE GULBENKIAN
Net EU contribution
€ 147 815,04
Total cost
€ 147 815,04