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Operation Method published in Lancet

Cluster Member Prof. Nickenig and an international team of physicians published a recent study about the minimal invasive treatment of tricuspid regurgitation in the Journal 'Lancet'.

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Georg Nickenig, Marcel Weber, Philipp Lurz, Ralph Stephan von Bardeleben, Marta Sitges, Paul Sorajja, et al.: Transcatheter edge-to-edge repair for reduction of tricuspid regurgitation: 6-month outcomes of the TRILUMINATE single-arm study“, The Lancet, Internet: https://doi.org/10.1016/S0140-6736(19)32600-5

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News Florian Schmidt 09 2024

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Central mechanism of inflammation decoded

—The formation of pores by a particular protein, gasdermin D, plays a key role in inflammatory reactions. During its activation, an inhibitory part is split off. More than 30 of the remaining protein fragments then combine to form large pores in the cell membrane, which allow the release of inflammatory messengers. As methods for studying these processes in living cells have so far been inadequate, the sequence of oligomerization, pore formation and membrane incorporation has remained unclear until now.
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Larvae of the fruit fly Drosophila (foreground) - have a kind of stretch sensor in the esophagus (grey structure in the middle). It reports swallowing processes to the brain. If food is ingested, special neurons of the enteric nervous system (red) release serotonin.

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Swallowing triggers a feeling of elation

—Researchers at the University of Bonn and the University of Cambridge have identified an important control circuit involved in the eating process. The study has revealed that fly larvae have special sensors, or receptors, in their esophagus that are triggered as soon as the animal swallows something. If the larva has swallowed food, they tell the brain to release serotonin. This messenger substance ensures that the larva continues to eat. The researchers assume that humans also have a very similar control circuit. The results were recently published in the journal “Current Biology.”
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Sophie Binder, Gregor Hagelüken, Niels Schneberger in the laboratory

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Gene scissors switch off with built-in timer

—CRISPR gene scissors, as new tools of molecular biology, have their origin in an ancient bacterial immune system. But once a virus attack has been successfully overcome, the cell has to recover. Researchers from the University Hospital Bonn (UKB) and the University of Bonn, in cooperation with researchers from the Institut Pasteur in France, have discovered a timer integrated into the gene scissors that enables the gene scissors to switch themselves off. The results of the study have been published in the renowned journal "Nucleic Acids Research".
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