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Nature Publication by Heneka and colleagues

Inflammatory Processes Drive Progression of Alzheimer's and Other Brain Diseases

Report in "Nature" Inflammation drives the progression of neurodegenerative brain diseases and plays a major role in the accumulation of tau proteins within neurons. An international research team led by Prof. Michael Heneka (DZNE), member of cluster of excellence ImmunoSensation, and the University of Bonn comes to this conclusion in the journal "Nature". The findings are based on the analyses of human brain tissue and further lab studies. In the particular case of Alzheimer's the results reveal a hitherto unknown connection between Abeta and tau pathology. Furthermore, the results indicate that inflammatory processes represent a potential target for future therapies. ies. In the particular case of Alzheimer's the results reveal a hitherto unknown connection between Abeta and tau pathology. Furthermore, the results indicate that inflammatory processes represent a potential target for future therapies.

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NLRP3 inflammasome activation drives tau pathology

Christina Ising et al., Nature (2019), DOI: 10.1038/s41586-019-1769-z

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—A new AI-based method reconstructs spatial information about where immune cells were originally located in an organ, even after these cells have been removed from the tissue and analyzed individually. To accomplish this, Researchers at the University Hospital Bonn (UKB) and the University of Bonn use the transcriptome, i.e., the entirety of all messenger RNA transcripts produced by genes within a cell at a given time. The work has now been published in the journal Advanced Science and introduces the new MERLIN algorithm.
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B cells maintain antigen presentation in the splenic marginal zone

—A team of international researchers, including ImmunoSensation³ members Prof. Niels Lemmermann and Prof. Andreas Schlitzer, shows that B cells support antiviral CD8⁺ T-cell responses beyond antibody production. In a murine CMV model, B-cell deficiency weakened virus-specific CD8⁺ T-cell responses. Mechanistically, B-cell-derived lymphotoxin β maintained CD169⁺ macrophages and Langerin⁺ cDC1 cells in the splenic marginal zone, enabling efficient T-cell priming. The study was published in Cellular & Molecular Immunology.
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New findings on infection with the Epstein-Barr virus

—The Epstein-Barr virus (EBV) can cause certain types of cancer or autoimmune diseases, but how the body controls this common viral infection is largely unknown. Bonn researchers have now identified genetic and non-genetic factors that help the body fight EBV. To do this, they evaluated genome sequencing data, which is actually intended for characterizing the human genome, in a new way. Using the new technique, they were able to estimate the amount of EBV in the blood and find correlations in large health data sets. Their findings have now been published in the renowned journal Nature.
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