The Cerebellum (2019) 18:1–21 https://doi.org/10.1007/s12311-018-0953-2 ABSTRACTS 9TH SRCA SYMPOSIUM ON THE CEREBELLUM TAIPEI, MAY 2018 PP1 1Departments of Neurology, Maynei Hayeshua Medical Center , Bnei Barak , Israel Different types of multiple-synapse boutons in the cerebellar cortex 2 Meir Medical Center, Kfar-Saba, Israel between physically enriched and ataxic mutant mice 3 The Sackler Faculty of Medicine, Tel-Aviv University, Israel Kim H. 1,OhS.1, Lee S.1,NaJ.1, Lee K.J.2, Rhyu I.J.1 Corresponding author’s e-mail:
[email protected] 1Department of Anatomy, Korea University College of Medicine, Seoul Objective: To describe the clinical and epidemiological features of the 02841, Korea Jewish Yemenite pocket of Machado-Joseph disease in Israel 2 Laboratory of Synaptic Circuit Plasticity, Department of Structure & Background: Machado-Joseph Disease known also as SCA3 is an Function of Neural Network, Korea Brain Research Institute, Daegu 700- autosomal dominant progressive neurologic disorder due to a hetero- 010, Korea zygous (CAG)n trinucleotide repeat expansion encoding glutamine repeats in the ataxin-3 gene (ATXN3; on chromosome 14q32 , char- Corresponding author’s e-mail:
[email protected] acterized principally by ataxia, spasticity, and ocular movement ab- normalities (OMIM # 109150). Traditionally, all patients were consid- Objectives: Experience-dependent synapse remodeling is associated with ered as the offspring of two Portuguese families who lived in the information storage in the nervous system. Neuronal synapses show alter- Azorean islands i.e. the Machado and the Joseph families. Therefore, ation in various neurological and cognitive disorders in their structure and the disease was first known as Azorean Degeneration.