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Updated: Mar 29, 2026

Fractionation for Resolution of Soluble and Insoluble Huntingtin Species
Published on: February 27, 2018
Huntingtin and its allies at the cortico-striatal synapse
Chiara Zuccato1,2, Andrea Scolz3,4, Raffaele Iennaco3,4
1Department of Biosciences, University of Milan, Milan, Italy. chiara.zuccato@unimi.it.
Abstract:
Huntington's Disease (HD) is characterized by progressive motor and cognitive decline, largely driven by cortico-striatal synaptic dysfunction. Central to these processes is huntingtin (HTT) protein, which is abundantly present at the synapse. HTT regulates the synaptic vesicle cycle at presynaptic terminals and serves as a scaffold at the postsynaptic density where it modulates receptor dynamics. An expanding network of HTT-interacting proteins (HIPs), crucial for maintaining synaptic structure and function, underscores the role of HTT as a core component of synaptic integrity. This review examines the 30-year research journey that has unveiled HTT pre- and postsynaptic partners, with focus on experimentally validated interactors and their involvement in HD cortico-striatal synaptic dysfunction.
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