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Science Publication by A. Dityatev


The CBBS congratulates Alexander Dityatev’s working group at the German Center for Neurodegenerative Diseases (DZNE) on the latest publication in Science about CPTX, a synthetic synaptic organizer protein, which restores glutamatergic neuronal circuits.


Neuronal synapses undergo structural and functional changes throughout life, which are essential for nervous system physiology. However, these changes may also perturb the excitatory–inhibitory neurotransmission balance and trigger neuropsychiatric and neurological disorders. Molecular tools to restore this balance are highly desirable. Here, we designed and characterized CPTX, a synthetic synaptic organizer combining structural elements from cerebellin-1 and neuronal pentraxin-1. CPTX can interact with presynaptic neurexins and postsynaptic AMPA-type ionotropic glutamate receptors and induced the formation of excitatory synapses both in vitro and in vivo. CPTX restored synaptic functions, motor coordination, spatial and contextual memories, and locomotion in mouse models for cerebellar ataxia, Alzheimer’s disease, and spinal cord injury, respectively. Thus, CPTX represents a prototype for structure-guided biologics that can efficiently repair or remodel neuronal circuits.

Summary of Science article.

Information about Alexanders Lab.

LECTURE SERIES mit Magdalena Sauvage

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Otto-von-Guericke-Universität Magdeburg

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