DFG Research Training Group "TJ-Train" (GRK 2318/2) Project B4 1st period 2nd period Prof. Dr. Kai Schmidt-Ott1 , Dorothee Günzel2 1Department of Nephrology and Hypertension, Medizinische Hochschule Hannover 2Clinical Physiology / Nutritional Medicine, Campus Benjamin Franklin, Charité - Universitätsmedizin Berlin Transcriptional integration of tight junction biogenesis in kidney
PhD project: In this project we aim to comprehensively assess the molecular composition of epithelial barriers within cell types of the kidney using systems biology approaches. The goal will be to produce an atlas of tight junction component-encoding gene expression in the healthy and diseased kidney and to elucidate transcriptional networks associated with their gene expression control.The project will focus on integration of multi-omics technologies, including single cell transcriptomics and spatially resolved transcriptomics, followed by focused validation experiments. A strong focus will be placed on bioinformatic integration of systems data. The successful candidate will work in an interdisciplinary environment including biologists, computer scientists, mathematicians and clinicians. Initial tasks will include setting up, applying and developing bioinformatics platforms and computational pipelines for the analysis of single cell and spatial transcriptomics and integrated downstream analyses. The successful candidate will interact within a multidisciplinary environment of biologists, clinicians, computational scientists within the graduate school "TJ-Train" at Charité – Universitätsmedizin Berlin and at the Max-Delbrück Center for Molecular Medicine. Requirements: Profound background in molecular biology, strong interest in computational data analysis, basic skills in programming (especially the R programming language and in scripting languages such as Perl/Python) are a plus.3rd cohort PhD doctoral student
2nd cohort PhD doctoral student 1st cohort PhD doctoral student Janna Leiz
Leiz J, Schmidt-Ott K (2020) Claudins in the renal collecting duct. Int. J. Mol. Sci. 21(1): 221 (11 pages) (Review) [PubMed] [WebPage] [PDF] (IF 5.9) 1st cohort MD doctoral student
Project-related publicationsIf a paper is not accessible, please mail to .1. Vukićević T*, Hinze C*, Baltzer S, Himmerkus N, Quintanova C, Zühlke K, Compton F, Ahlborn R, Dema A, Eichhorst J, Wiesner B, Bleich M, Schmidt-Ott KM**, Klussmann E**. Fluconazole Increases Osmotic Water Transport in Renal Collecting Duct through Effects on Aquaporin-2 Trafficking. J. Am. Soc. Nephrol. 2019, 30: 795-810. *Co-first, **Corresponding authors. 2. Vigolo E*, Marko L*, Hinze C, Müller DN**, Schmidt-Ullrich R**, Schmidt-Ott KM**. Canonical BMP signaling in tubular cells mediates recovery after acute kidney injury. Kidney Int. 2019, 95:108-122. *Co-first, **Equally contributing principal investigators. 3. Hinze C*, Ruffert J*(Co-first), Walentin K*(Co-first), Himmerkus N, Nikpey E, Tenstad O, Wiig H, Mutig K, Yurtdas ZY, Klein JD, Sands JM, Branchi F, Schumann M, Bachmann S, Bleich M, Schmidt-Ott KM. GRHL2 is required for collecting duct epithelial barrier function and renal osmoregulation. J. Am. Soc. Nephrol. 2018, 29: 857-868. 4. Werth, M.*, Schmidt-Ott, K.M.* (co-first), Leete, T., Qiu, A., Hinze, C., Viltard, M., Paragas, N., Shawber, C.J., Yu, W., Lee, P., Chen, X., Sarkar, A., Mu, W., Rittenberg, A., Lin, C.S., Kitajewski, J., Al-Awqati, Q., Barasch, J. (2017). Transcription factor TFCP2L1 patterns cells in the mouse kidney collecting ducts. eLife 6, e24265. 5. Paragas N*, Kulkarni R*, Werth M*, Schmidt-Ott KM*, Forster C, Deng R, Zhang Q, Singer E, Klose AD, Shen TH, Francis KP, Ray S, Vijayakumar S, Seward S, Bovino ME, Xu K, Takabe Y, Amaral FE, Mohan S, Wax R, Corbin K, Sanna-Cherchi S, Mori K, Johnson L, Nickolas T, D'Agati V, Lin CS, Qiu A, Al-Awqati Q, Ratner AJ, Barasch J. α-Intercalated cells defend the urinary system from bacterial infection. J. Clin. Invest. 2014, 124:2963-76. *Equal contribution. 6. Marko L*, Vigolo E*, Hinze C, Park JK, Roel G, Balogh A, Choi M, Wuebken A, Cording J, Blasig IE, Luft FC, Scheidereit C, Schmidt-Ott KM**, Schmidt-Ullrich R**, Muller DN**. Tubular Epithelial NF-kB Activity Regulates Ischemic AKI. J. Am. Soc. Nephrol. 2016, 27:2658-69. *Co-first, **Equally contributing principal investigators. 7. Aue A, Hinze C, Walentin K, Ruffert J, Yurtdas ZY, Werth M, Chen W, Rabien A, Kilic E, Schulzke JD, Schumann M, Schmidt-Ott KM. A grainyhead-like 2/ovo-like 2 pathway regulates renal epithelial barrier function and lumen expansion. J. Am. Soc. Nephrol. 2015, 26:2704-15. 8. Walentin K, Hinze C, Werth M, Haase N, Varma S, Morell R, Aue A, Pötschke E, Warburton D, Qiu A, Barasch J, Purfürst B, Dieterich C, Popova E, Bader M, Dechend R, Staff AC, Yurtdas ZY, Kilic E, Schmidt-Ott KM. A Grhl2-dependent gene network controls trophoblast branching morphogenesis. Development 2015, 142:1125-36. 9. Werth, M., Walentin, K., Aue, A., Schonheit, J., Wuebken, A., Pode-Shakked, N., Vilianovitch, L., Erdmann, B., Dekel, B., Bader, M., Barasch, J., Rosenbauser, F., Luft, F.C., and Schmidt-Ott, K.M. The transcription factor grainyhead-like 2 (Grhl2) regulates the molecular composition of the epithelial apical junctional complex. Development 137: 3835-3845
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