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KOUNCIL: Kidney-Oriented Understanding of Correcting Ciliopathies
Cilia volume 4, Article number: P50 (2015)
Nephronophthisis is an autosomal recessive renal ciliopathy that constitutes the leading monogenic cause of end-stage renal disease in children. The KOUNCIL consortium is a collaboration between the UMC Utrecht, the Radboud UMC Nijmegen and UC London aimed at elucidating the genetic etiology and pathophysiological mechanisms underlying nephronophthisis and identifying drugs that prevent or delay renal insufficiency. Our goal is to improve genome diagnostics, genetic counselling and therapeutic options for nephronophthisis patients.
We employ next-generation sequencing to identify novel disease genes in 100 nephronophthisis patients included within the AGORA biobank project. The functional effect of novel mutations is assessed using in vitro and in vivo models. Genotypic and phenotypic patient characteristics are registered in a nephronophthisis database, facilitating correlation analyses and identification of early phenotypic markers. Newly identified nephronophthisis-genes are incorporated into diagnostic next-generation sequencing panels of ciliary genes. We use a systems-biology approach to identify and functionally characterize nephronophthisis-associated protein modules. Finally, we use high-throughput repurposing screens in zebrafish embryos to identify FDA-approved drugs that halt renal failure.
With this approach, we expect to uncover the causal mutation in 60-90% of nephronophthisis patients. KOUNCIL members were involved in the recent identification of three novel genes (IFT172, WDR34 and WDR60) for nephronophthisis-related disorders. Clinical guidelines and new diagnostic tools for nephronophthisis are developed and implemented in diagnostics. We expect to identify drugs that can lead to novel therapies for nephronophthisis.
The KOUNCIL study is designed to advance understanding of renal ciliopathies and improve clinical care for nephronophthisis patients.
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Stokman, M., Oud, M., Reeuwijk, J.V. et al. KOUNCIL: Kidney-Oriented Understanding of Correcting Ciliopathies. Cilia 4, P50 (2015). https://doi.org/10.1186/2046-2530-4-S1-P50
- Genetic Counselling
- Zebrafish Embryo
- Causal Mutation
- Phenotypic Marker
- Protein Module