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News Beck 10.2019
An interneuron (bright, with long appendages) from the hippocampus of the rat. The finely branched axon (top left cloud) surrounds the cell bodies of pyramidal cells and can inhibit these effectively.
© Leonie Pothmann/Uni Bonn

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Epilepsy: Function of "brake cells" disrupted

In some forms of epilepsy, the function of certain "brake cells" in the brain is presumed to be disrupted. This may be one of the reasons why the electrical malfunction is able to spread from the point of origin across large parts of the brain. A current study by the University of Bonn with members of the cluster of excellence ImmunoSensation2, in which researchers from Lisbon were also involved, points in this direction. The results are published in the renowned "Journal of Neuroscience".

Publication

Leonie Pothmann, Christian Klos, Oliver Braganza, Sarah Schmidt, Oihane Horno, Raoul-Martin Memmesheimer and Heinz Beck: Altered dynamics of canonical feed-back inhibition predicts increased burst transmission in chronic epilepsy; The Journal Of Neuroscience; https://doi.org/10.1523/JNEUROSCI.2594-18.2019

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Unique immune signatures to distinguish MOGAD from MS

Myelin oligodendrocyte glycoprotein antibody-associated disease (MOGAD) is a rare autoimmune condition in which the body’s immune system mistakenly attacks the protective myelin sheath of nerve fibers in the central nervous system. Although MOGAD induces symptoms similar to multiple sclerosis (MS), its underlying biology appears to be fundamentally different. Understanding these distinctions is crucial for developing effective, disease-specific treatments. A new international study now sheds light on these immune differences.
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How immune cells deliver their deadly cargo

Precision is crucial for immune cells: natural killer (NK) cells and T cells eliminate infected or transformed cells by releasing targeted, highly toxic particles. A new study from the CeMM (Research Center for Molecular Medicine of the Austrian Academy of Sciences), the St. Anna Children’s Cancer Research Institute, the Medical University of Vienna, the Medical University of Graz, the University Hospital Bonn (UKB) and the University of Bonn offers deeper insight into how these so-called cytotoxic granules are released.
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