Zusammenfassung
Hintergrund
Netzhautdegeneration und Neuroinflammation sind meist frühe Merkmale verschiedener Subtypen von neuronalen Ceroid-Lipofuszinosen (NCL) bei Patienten und in genetischen Tiermodellen.
Fragestellung
Es soll ein Überblick über den aktuellen Forschungsstand zum Thema Neuroinflammation bei NCL gegeben werden.
Material und Methoden
Es erfolgen eine Betrachtung von relevanten Veröffentlichungen in PubMed sowie die Darstellung eigener Forschungsdaten.
Ergebnisse
Im zentralen Nervensystem (ZNS) und in der Netzhaut von NCL-Patienten und Tiermodellen werden Mikroglia und andere Gliazellen chronisch aktiviert und zeigen verschiedenste Dysfunktionen. Dies geht mit signifikanten Änderungen in ihrem Transkriptom und Proteom einher. Bei NCL findet sich ebenfalls eine Beteiligung der adaptiven Immunantwort, nachgewiesen durch das Einwandern von Autoantikörpern und aktivierten T‑Zellen.
Schlussfolgerungen
Das tiefere Verständnis der molekularen Abläufe, die zur Neuroinflammation beitragen und letztendlich zum Absterben von Neuronen führen, stellt eine wichtige Basis für die Entdeckung möglicher Biomarker und die Entwicklung von Immuntherapien bei der NCL dar.
Abstract
Background
Retinal degeneration and neuroinflammation are often early hallmarks of different subtypes of neuronal ceroid lipofuscinosis (NCL) in patients and genetic animal models.
Objective
This article gives a summary of recently published research articles and novel concepts in the field of NCL-related neuroinflammation.
Material and methods
A search was carried out in PubMed for relevant publications and the results as well as own NCL-related research are discussed.
Results
Microglia and other glial cells are chronically activated and show various dysfunctions in the central nervous system (CNS) and retina of NCL patients and animal models. This is accompanied by significant changes in the transcriptome and proteome. In NCL there is also involvement of the adaptive immune response, as demonstrated by the influx of autoantibodies and activated T cells.
Conclusion
A deeper understanding of the molecular processes that contribute to neuroinflammation and ultimately lead to neuronal cell death is an important basis for the discovery of possible biomarkers and the development of immunotherapies in NCL.
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Behnke, V., Langmann, T. Neuroinflammation bei neuronalen Ceroid-Lipofuszinosen. Ophthalmologe 118, 98–105 (2021). https://doi.org/10.1007/s00347-020-01301-4
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DOI: https://doi.org/10.1007/s00347-020-01301-4