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iPSC-based research in Zurich

Kidney biology / Nephrology

kidney biology

iPSCs-derived kidney organoid at day 26 expressing CDH1 (green), GATA3 (red) and NPHS1 (magenta)

Image courtesy Bachmann lab (Joana Figueiro da Silva)

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LABS

Ruxandra Bachmann-Gagescu

 

Soeren Lienkamp

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bachmann

Prof. Dr. med. Ruxandra Bachmann-Gagescu

Associate Professor for Developmental Genetics

Department of Molecular Life Sciences and Institute of Medical Genetics, University of Zurich

ruxandra.bachmann@imls.uzh.ch

Research Focus: Our research focuses on a group of human Mendelian disorders called ciliopathies, which are unified by shared genetic causes resulting in primary cilium dysfunction. Primary cilia are small non-motile organelles present on the surface of most vertebrate cells where they are involved in transduction of sensory, mechanical or chemical signals and in regulation of signaling pathways during development and cell homeostasis. Typical clinical presentations of ciliopathies include neurological involvement, retinal degeneration and renal fibrocystic disease, as illustrated by Joubert syndrome (JS), an iconic ciliopathy, which is the main focus of our research. To understand the consequences of mutations in JS-associated genes at the molecular level, we are developing human iPSC-based renal organoids using CRISPR/Cas9 genome editing, imaging and –omics approaches such as RNAsequencing and proteomics. 

Methods: CRISPR/Cas9 genome editing, next generation sequencing for clone selection and quality control, 2D cortical neuronal differentiation, 3D cerebral organoids, renal organoids

Keywords: ciliopathies, primary cilia, Joubert syndrome, iPSCs, neurons, renal tubular cells

Topics: Neuroscience, Disease Modelling, Kidney biology

Publications:https://pubmed.ncbi.nlm.nih.gov/?term=ruxandra+Bachmann-Gagescu&sort=date&size=100

Websitehttps://www.medgen.uzh.ch/en/forschung/gagescu.html 

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lienkamp

 

Prof. Dr. med. Soeren Lienkamp

Assistant Professor

Institute of Anatomy, University of Zurich

soeren.lienkamp@uzh.ch

Research Focus: We are interested in embryonic renal organogenesis and the pathophysiology of various genetic renal disorders, including congenital renal anomalies, ciliopathies and cystic kidney disease. We also aim to understand how transcriptional control mechanisms influence renal tubular cell identity. To model genetic diseases, we use in vivo (Xenopus tropicalis embryos) and vitro (direct reprogramming of fibroblasts to renal-like epithelial cells) approaches in combination with CRISPR/Cas9 genome editing, light-sheet microscopy, and machine learning. We are collaborating with the group of Ruxandra Bachmann-Gagescu to differentiate iPSCs into renal organoids to understand the molecular alterations in ciliopathies and kidney malformations.

Methods: direct reprogramming, CRISPR/Cas9 genome editing, Xenopus tropicalis embryology, light sheet microscopy, deep learning-based image analysis, renal organoids

Keywords: kidney, ciliopathies, cystic kidney disease, Xenopus, renal tubular cells

Topics: Renal organogenesis, Kidney disease modelling

Publications: https://pubmed.ncbi.nlm.nih.gov/?term=lienkamp+s&sort=date

Websitehttps://www.anatomy.uzh.ch/en/research/lienkamp.html

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