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Logo of Initiative for Transparency in Animal Experimentation

Animal experiments in research are a controversial topic. However, institutions such as the Leibniz Institute on Aging – Fritz Lipmann Institute…

Killifish, 19 weeks old male and 7 weeks old female fish

A research team led by Dario Riccardo Valenzano investigated whether short-lived killifish undergo aging of the immune system.

Tubulin immunofluorescence microscopy

To maintain organ functions, the proteins in the cells need to be kept in balance (proteostasis). This state is disturbed with increasing age. One…

Welcome to the Leibniz Institute on Aging (FLI)

The Leibniz Institute on Aging – Fritz Lipmann Institute (FLI) is the first national research institute in Germany focusing on biomedical research on human aging, a multifactorial process controlled by environmental and genetic factors.

This website will provide you with an insight into our institute, the research we do and the faces behind FLI's science activities. We wish you an exciting and entertaining voyage of discovery into the world of aging research at FLI.


Due to the renewed increase in the incidence of Covid 19 infections in Germany, especially in Thuringia and the neighboring federal states, it was necessary to introduce new measures that will enable the safe continued operation of the FLI.

Key points are the implementation of the legal requirements of the amended Infection Protection Act, such as the introduction of a 3G regulation at the workplace and the renewed priority of activities in the home office.

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