Coordination Funds

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The light chain or AL amyloidosis is one of the most abundant types of systemic amyloidosis in Germany. Advanced kidney or heart involvement can lead to rapid dialysis or death. The disease is caused by the misfolding and aggregation of antibody light chains, which are produced in the course of a monoclonal B-cell disorder. A particular remarkable feature of AL amyloidosis is the variability of its clinical manifestations. This heterogeneity is probably caused by the natural diversity of light chains and of the polymorphic aggregate structure. However, the exact relationships are not so far understood. This research unit aims to clarify for two specifically prominent clinical forms of AL amyloidosis (dominant heart or kidney involvement) how disease and clinical manifestations arise from protein biochemical properties. We will investigate in particular the sequence and primary structure, the proteolytic processing, the folding and the polymorphic aggregate structure. A broad methodological spectrum supports our research strategy which primarily seeks to improve the basic understanding but which may also create direct benefit for patients, for example in the early diagnosis.