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CRISPR/Cas9 based kidney disease modeling to elucidate novel genetic drivers and therapeutic targets in X. tropicalis

Project description

Novel genetic drivers of chronic kidney disease

Congenital anomalies of the kidney and urinary tract (CAKUT) are among the most common malformations detected in utero and play a causative role in chronic kidney disease. Since molecular diagnosis is only possible in 20 % of the cases, elucidation of the underlying genetic causes of CAKUT is of major clinical relevance. Towards this goal, scientists of the EU-funded xenCAKUT project will generate a novel animal model for cystic kidney diseases in Xenopus tropicalis. Moreover, using genome editing methodologies, they will identify the genes central to pronephric tubule development in the embryo. Potential disease-causing genes will then be analysed, and through machine-learning based phenotyping it will be possible to model common genetic forms of kidney disease.

Objective

CRISPR/Cas9 has untapped potential for disease modeling in the diploid amphibian model organism Xenopus tropicalis (X. tropicalis). Here, I propose to employ state-of-the-art CRISPR/Cas9 technologies (in vivo CRISPR Screening, ShCAST, CRISPR-NSID) to address two current unmet clinical needs in congenital anomalies of the kidney and urinary tract (CAKUT). First, I will generate a novel animal model for autosomal dominant polycystic kidney disease (ADPKD) and investigate the role of a potential new druggable therapeutic target (ALDH1A1). Second, I propose to couple CRISPR screening methods to classical Xenopus animal cap differentiation assays to identify genes essential in the differentiation of pluripotent precursor cells towards pronephric structures. I intend to perform in vivo validation of hits to identify genes which underlie CAKUT development in X. tropicalis. Because a molecular diagnosis for CAKUT can currently only be made in about 20% of the clinical cases, the further elucidation of underlying genetic causes for CAKUT is of major clinical relevance. In vivo validated Xenopus CAKUT disease causing genes will be integrated with clinician networks (ERKNet, NEOCYST). This interdisciplinary approach will use well-established techniques from developmental biology, state-of-the-art CRISPR/Cas9 approaches, light-sheet-microscopy and machine-learning based phenotyping protocols to model common genetic forms of kidney disease using the diploid vertebrate model X. tropicalis.

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-MSCA-IF-2019

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Coordinator

UNIVERSITAT ZURICH
Net EU contribution
€ 191 149,44
Address
RAMISTRASSE 71
8006 Zurich
Switzerland
Region
Schweiz/Suisse/Svizzera Zürich Zürich
Activity type
Higher or Secondary Education Establishments
Links
Total cost
€ 191 149,44