Helmholtz Diabetes Center

Institute of Experimental Genetics

The Institute of Experimental Genetics (IEG) aims to further the understanding of mechanisms underlying human diseases' etiology. Metabolic diseases with a focus on diabetes are key areas of research. Experimental set-ups are centered on the mouse as a pre-clinical model organism with direct translation of results to humans. Besides studying the effects of genotypes, the institute identifies and characterizes environmental and epigenetic factors and the mechanisms by which these act on the etiology of diseases.

The Institute of Experimental Genetics (IEG) aims to further the understanding of mechanisms underlying human diseases' etiology. Metabolic diseases with a focus on diabetes are key areas of research. Experimental set-ups are centered on the mouse as a pre-clinical model organism with direct translation of results to humans. Besides studying the effects of genotypes, the institute identifies and characterizes environmental and epigenetic factors and the mechanisms by which these act on the etiology of diseases.

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Our Research Groups and Platforms

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Functional Genetics

The characterization of mutants represents a valuable instrument for functional genome analysis. Novel mouse models for metabolic diseases are in the center of our projects. By unraveling the molecular pathways and pathophysiological events leading, in particular, to diabetes we also transfer the basic research results into the development of novel strategies for diagnosis, prevention and therapy.

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Gene Regulation and Epigenetics

Our research focuses on the epigenetic inheritance of metabolic diseases such as obesity and diabetes mostly using the mouse as functional model system. We aim to understand how metabolic phenotypes that are acquired during life - for example, by malnutrition - are inherited from one generation to the next. We want to contribute to a better understanding of this inter-generational epigenetic inheritance and its implications for the observed pandemic of obesity and diabetes in man.

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Environmental Epigenetics

Diabetes and Obesity affect almost 400 million people worldwide and forecasts anticipate an increase of at least 20% by 2030.
Epidemiological studies have shown a high degree of genetic predisposition and familial aggregation in both diabetes and obesity. Nevertheless, lifestyle interventions have proven valuable in disease prevention and management.
We study physiological and pathological aspects of gene-environment interaction and epigenetic control of inheritance and aim to find novel targets and/or mechanisms towards effective strategies for disease prevention.

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German Mouse Clinic (GMC)

The German Mouse Clinic (GMC) as an open access phenotyping platform offers comprehensive phenotyping of mouse models in a systemic primary screen. Scientists with expert knowlegde from various fields of mouse physiology and pathology work together on evaluating numerous physiological pathways.

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European Mouse Mutant Archive (EMMA) - Germany

The European Mouse Mutant Archive is an INFRAFRONTIER core service for collection, archiving and distribution of mutant mice valuable for scientific and medical research. The IEG is one INFRAFRONTIER partner operating the German EMMA node with a main focus on cryopreservation and in vitro fertilization.

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Biocuration for Digital Health

Advances in medical research revealed that a disease phenotype is the result of pathobiological processes that interact in complex networks. A large body of information generated in decades of experimental research is hidden in the scientific literature.
Our aim is to generate high-quality databases that describe experimentally validated interactions between molecules and processes involved in the development of diseases.

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Applied Computational Biology

We initiate and take lead in projects that use artificial intelligence methods on large mouse phenotyping datasets from the German Mouse Clinic (GMC) or from external sources.
We develop and maintain highly customised IT infrastructure and solutions for our institute. Such as the in-house developed application "MausDB" , a modular laboratory information management system (LIMS).
And we support IEG research projects internally with our IT expertise and tools.

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Selected Publications of the IEG

Cell Death Dis. 16:775 (2025)

Bhattacharya, D. ; da Silva Buttkus, P. ; Nalbach, K. ; Cheng, L. ; Garrett, L. ; Irmler, M. ; Kislinger, G. ; Werner, G. ; Rodde, R. ; Lengger, C. ; Beckers, J. ; Zimprich, A. ; Hölter, S.M. ; Gailus-Durner, V. ; Fuchs, H. ; Hrabě de Angelis, M. ; Wefers, B. ; Wurst, W. ; Brill, M.S. ; Schifferer, M. ; Lichtenthaler, S.F. ; Behrends, C.

Neuropathy-associated Tecpr2 mutation knock-in mice reveal endolysosomal loss of function phenotypes in neurons and microglia.
Sci. Adv. 11:eadz1242 (2025)

Winkler, R. ; Comas-Armangue, G. ; Corujo, D. ; Sanz-Moreno, A. ; Calzada-Wack, J. ; Bhattacharya, S.A. ; Rathkolb, B. ; Dragano, N.R.V. ; Qiao, C.X. ; Chiodi, V. ; Filipescu, D. ; Park, D.H. ; Domenici, M.R. ; Kirigin Callaú, V. ; Gerlini, R. ; Rozman, J. ; Klein-Rodewald, T. ; Aguilar-Pimentel, J.A. ; Becker, L. ; Seisenberger, C. ; Marschall, S. ; Fuchs, H. ; Gailus-Durner, V. ; Bernstein, E. ; Vinciguerra, M. ; Oberdoerffer, P. ; Hrabě de Angelis, M. ; Teperino, R. ; Buschbeck, M.

Loss of histone macroH2A1.1 causes kidney abnormalities secondary to a change in nutrient metabolization.
Mol. Metab., DOI: 10.1016/j.molmet.2025.102273:102273 (2025)

Hinrichs, A. ; Pafili, K. ; Sancar, G. ; Laane, L. ; Zettler, S. ; Torgeman, M. ; Kessler, B. ; Nono, J.L. ; Kunz, S. ; Rathkolb, B. ; Barosa, C. ; Prehn, C. ; Cecil, A. ; Renner, S. ; Kemter, E. ; Kahl, S. ; Szendroedi, J. ; Bidlingmaier, M. ; Jones, J.G. ; Hrabě de Angelis, M. ; Roden, M. ; Wolf, E.

Transient juvenile hypoglycemia in GH insensitive Laron syndrome pigs is associated with insulin hypersensitivity.
Nat. Med. 31, 3330-3340 (2025)

Sandforth, A. ; Arreola, E.V. ; Hanson, R.L. ; Wewer Albrechtsen, N.J. ; Holst, J.J. ; Ahrends, R. ; Coman, C. ; Gerst, F. ; Lorza-Gil, E. ; Cheng, Y. ; Sandforth, L. ; Katzenstein, S. ; Ganslmeier, M. ; Seissler, J. ; Hauner, H. ; Perakakis, N. ; Wagner, R. ; Machann, J. ; Schick, F. ; Peter, A. ; Lehmann, R. ; Weigert, C. ; Maurer, J. ; Preissl, H. ; Heni, M. ; Szendrödi, J. ; Kopf, S. ; Solimena, M. ; Schwarz, P. ; Blüher, M. ; Häring, H.-U. ; Hrabě de Angelis, M. ; Schürmann, A. ; Kabisch, S. ; Mai, K. ; Pfeiffer, A.F.H. ; Bornstein, S. ; Stumvoll, M. ; Roden, M. ; Stefan, N. ; Fritsche, A. ; Birkenfeld, A.L. ; Jumpertz von Schwartzenberg, R.

Prevention of type 2 diabetes through prediabetes remission without weight loss.
Brain Commun., DOI: 10.1093/braincomms/fcaf397 (2025)

Karnebeek, C.D.v. ; Gailus-Durner, V. ; Engelke, U.F.H. ; Seisenberger, C. ; Marschall, S. ; Dragano, N.R.V. ; da Silva Buttkus, P. ; Leuchtenberger, S. ; Fuchs, H. ; Hrabě de Angelis, M. ; Wevers, R.A. ; Coughlin, C.R. ; Lefeber, D.J.

New treatment for PDE-ALDH7A1: First proof-of-principle of upstream enzyme inhibition in the mouse.
2025 in
In: (RExPO25, 24-26 September 2025, Barcelona, Spain). 2025.

Beckers, J. ; Valera, G. ; Raess, M.

INFRAFRONTIER – the European Research Infrastructure for In Vivo and In Vitro Diseases Modelling.
iScience 28:113617 (2025)

Gillet, J.P. ; Gerard, L. ; Vieira, W. ; Fourrez, M. ; Gaudray, F. ; Rathkolb, B. ; Rozman, J. ; Klein-Rodewald, T. ; Becker, L. ; Aguilar-Pimentel, J.A. ; Horsch, M. ; Spielmann, N. ; Prehn, C. ; Bihin, B. ; Beckers, J. ; Fuchs, H. ; Gailus-Durner, V. ; Hrabě de Angelis, M. ; Southon, E. ; Tessarollo, L. ; Xia, D. ; Gottesman, M.M.

Abcb5-deficient mice show a subtle, pleiotropic phenotype indicating a role for this transporter in intermediary metabolism.
Front. Immunol. 16:1624774 (2025)

Özer, S. ; Strobelt, R. ; Kosinska, A. ; Frishman, G. ; Wettengel, J.M. ; Pleninger, L. ; Körber, N. ; Liang, W. ; Ates Öz, E. ; Zuniga, M. ; Bauer, T. ; Ebert, G. ; Protzer, U. ; Vincendeau, M.

HERV-K10 as a mediator of immune modulation in hepatitis infections.

Staff Members

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Dr. Juan Antonio Aguilar Pimentel
Portrait Lore Becker
Dr. Lore Becker
Johannes Beckers IEG
Prof. Dr. Johannes Beckers

Prof. Dr. rer. nat. Johannes Beckers, Executive MBA (TUM)

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Barbara Brauner
Silvia Crowley
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Dr. Patricia da Silva-Buttkus
Portrait Dr. Nathalia Dragano
Dr. Nathalia Dragano

Head of Metabolism Research - German Mouse Clinic - Institute of Experimental Genetics

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Ann-Elisabeth Engelniederhammer
Daniel Feeser
Marion Fisch
Anna Fischer
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Ralf Fischer
Dr. Gisela Fobo
Dr. Goar Frischmann
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Dr. Helmut Fuchs View profile
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Dr. Valérie Gailus-Durner View profile
Isabella Galter

Doctoral Candidate

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Cindy Gonda
Sandra Hoffmann
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Prof. Dr. Dr. h.c. Martin Hrabě De Angelis

Member and Spokesperson of the Executive Board (acting), Research Director Helmholtz Munich, Full Professor and Chair of Experimental Genetics Technical University Munich, Director of the Institute of Experimental Genetics Helmholtz Munich

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Porträt Martin Irmler
Dr. Martin Irmler
Elke Koefferlein
Portrait Dr. Markus Kraiger
Dr. Markus Kraiger
Dr. Christoph Lengger

Senior Data Manager

Portrait Dr. Stefanie Leuchtenberger
Dr. Stefanie Leuchtenberger
Porträt Holger Maier
Dr. Holger Maier

Senior Data Scientist

Dr. Susan Marschall
Porträt Andreas Mayer
Andreas Mayer

Technician

Lucie Mittelbach
Dr. Corinna Montrone
Porträt Sibylle Neumann
Sibylle Neumann
Porträt Manuela Östereicher
Manuela Östereicher

Senior Statistician

Porträt Gerhard Przemeck
Dr. Gerhard Przemeck

Group Leader, Research Group ‘Functional Genetics’

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Portrait Dr. Birgit Rathkolb
Dr. Birgit Rathkolb
Porträt Kerstin Richter
Kerstin Richter
Herr Ruepp, Andreas Dr.
Dr. Andreas Ruepp

Group Leader, Research Group 'Biocuration for Digital Health'

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Portrait Adrian Sanz
Dr. Adrián Sanz-Moreno
Florian Schleicher
Porträt Maximilian Schmidtke
Maximilian Schmidtke

Postdoc

Porträt Elida Schneltzer
Elida Schneltzer

Group Leader, Research Group 'Applied Computational Biology'

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Porträt Christine Schütt
Christine Schütt

Senior Software Developer

Porträt Michael Schulz
Michael Schulz

Technician

Portrait Dr. Nadine Spielmann
Dr. Nadine Spielmann
Dr. Ralph Steinkamp

Senior Data Scientist & Senior Software Developer

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Dr. Claudia Stöger
Dr. Archana Tomar

Post Doctoral Researcher

Marion Wenig
Anja Wohlbier
Porträt Lilly Zapf
Lilly Zapf

Senior Data Manager

Networks and Affiliations

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International Mouse Phenotyping Consortium (IMPC)

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German Center for Diabetes Research e.V. (DZD)

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INFRAFRONTIER Ltd.– (non for profit) ESFRI (European Strategy Forum on Research Infrastructures)

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HRD (Helmholtz Research School for Diabetes)

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Contact

Porträt Sibylle Neumann
Sibylle Neumann

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