Abstract
Abstract This study aimed to develop a cell culture model of Huntington disease and observe the effect of sodium butyrate on this cell culture model. Exon 1 of both a wild type and a mutant IT15 gene from the genomic DNA of a healthy adult and a patient with Huntington disease was amplified and cloned into the eukaryotic expression vector pEGFP-C1. Human neuroblastoma SH-SY5Y cells were transiently transfected with these recombinant plasmids in the absence and presence of sodium butyrate (0.1,0.2,0.5,1.0 mmol L). The MTT assay was used to measure cell viability. The results indicated that the N-terminal fragment of mutant huntingtin formed perinuclear and intranuclear aggregates and caused a decrease SH-SY5Y cell viability. Sodium butyrate inhibited the decrease of SH-SY5Y cell viability caused by the N-terminal fragment of mutant huntingtin. This suggests that sodium butyrate has a protective effect on this cell culture model of Huntington disease.
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