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Defective synaptic transmission causes disease signs in a mouse model of juvenile neuronal ceroid lipofuscinosis

Please always quote using this URN: urn:nbn:de:bvb:20-opus-170004
  • Juvenile neuronal ceroid lipofuscinosis (JNCL or Batten disease) caused by mutations in the CLN3 gene is the most prevalent inherited neurodegenerative disease in childhood resulting in widespread central nervous system dysfunction and premature death. The consequences of CLN3 mutation on the progression of the disease, on neuronal transmission, and on central nervous network dysfunction are poorly understood. We used Cln3 knockout (Cln3\(^{Δex1-6}\)) mice and found increased anxiety-related behavior and impaired aversive learning as well asJuvenile neuronal ceroid lipofuscinosis (JNCL or Batten disease) caused by mutations in the CLN3 gene is the most prevalent inherited neurodegenerative disease in childhood resulting in widespread central nervous system dysfunction and premature death. The consequences of CLN3 mutation on the progression of the disease, on neuronal transmission, and on central nervous network dysfunction are poorly understood. We used Cln3 knockout (Cln3\(^{Δex1-6}\)) mice and found increased anxiety-related behavior and impaired aversive learning as well as markedly affected motor function including disordered coordination. Patch-clamp and loose-patch recordings revealed severely affected inhibitory and excitatory synaptic transmission in the amygdala, hippocampus, and cerebellar networks. Changes in presynaptic release properties may result from dysfunction of CLN3 protein. Furthermore, loss of calbindin, neuropeptide Y, parvalbumin, and GAD65-positive interneurons in central networks collectively support the hypothesis that degeneration of GABAergic interneurons may be the cause of supraspinal GABAergic disinhibition.show moreshow less

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Metadaten
Author: Benedikt Grünewald, Maren D Lange, Christian Werner, Aet O'Leary, Andreas Weishaupt, Sandy Popp, David A Pearce, Heinz Wiendl, Andreas Reif, Hans C Pape, Klaus V Toyka, Claudia Sommer, Christian Geis
URN:urn:nbn:de:bvb:20-opus-170004
Document Type:Journal article
Faculties:Medizinische Fakultät / Neurologische Klinik und Poliklinik
Medizinische Fakultät / Klinik und Poliklinik für Psychiatrie, Psychosomatik und Psychotherapie
Language:English
Parent Title (English):eLife
Year of Completion:2017
Volume:6
Issue:e28685
Source:eLife 2017, 6:e28685. DOI: 10.7554/eLife.28685
DOI:https://doi.org/10.7554/eLife.28685
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 61 Medizin und Gesundheit / 610 Medizin und Gesundheit
Tag:CLN3; amygdala; hippocampus; mouse model; mutation; synaptic transmission
Release Date:2019/09/18
Licence (German):License LogoCC BY: Creative-Commons-Lizenz: Namensnennung 4.0 International