Zusammenfassung
Während für die seltenen familiären Formen der Alzheimer-Demenz (AD) mehrere spezifische Genmutationen identifiziert werden konnten, ist die Ätiologie der weit häufiger auftretenden sporadischen Form nicht endgültig aufgeklärt. Ausgehend von einer multifaktoriellen Pathogenese gilt steigendes Alter als einer der wichtigsten Risikofaktoren. Darüber hinaus lassen Beobachtungen zu lokalen und systemischen immunologischen Auffälligkeiten eine Beteiligung des Immunsystems an der Pathogenese der Erkrankung vermuten. Neben Befunden zum Einfluss entzündlicher Faktoren lassen sich Hinweise für eine Abschwächung bestimmter Immunantworten beobachten. Möglicherweise beeinträchtigen vorzeitige Alterungsvorgänge im Sinne einer „prämaturen Immunoseneszenz“ bei AD eine adäquate Immunantwort. Vor diesem Hintergrund erscheint die Entwicklung verschiedener immuntherapeutischer Verfahren Erfolg versprechend.
Summary
While the familial form of Alzheimer’s disease (AD) is known to be entirely inherited, the etiopathogenesis of the most common late-onset form of Alzheimer’s disease still remains unresolved. Among various factors, aging seems to be one of the most prominent risk factors. Moreover, a large body of evidence points to the contribution of immunological alterations in AD. The involvement of inflammatory factors in the etiopathology has been widely discussed. Moreover, an impairment of certain immune responses in AD has been observed. Presumably, premature immunosenescence may lead to inadequate immune reactions. Against this background, the development of different immunotherapeutic strategies seems to be a promising challenge for future research.
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Richartz-Salzburger, E., Stransky, E., Laske, C. et al. Vorzeitige Immunalterung: ein pathogenetischer Faktor bei Alzheimer-Demenz?. Nervenarzt 81, 837–843 (2010). https://doi.org/10.1007/s00115-009-2918-7
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DOI: https://doi.org/10.1007/s00115-009-2918-7