Brain-specific transcript variants of 5' and 3' ends of mouse VPS13A and VPS13C.

Mutations in vacuolar protein sorting 13A (VPS13A) gene are responsible for chorea-acanthocytosis (ChAc). We previously determined the full-length sequence and exon-intron structure of mouse VPS13A and generated a ChAc model mouse by using the gene targeting technique. In the process, we found diverse 5' and 3' transcript variants. Since ChAc is a rare neurodegenerative disorder, the mouse model should be useful for investigation of ChAc molecular pathogenesis, and the model's brain specific variants of VPS13A will be indispensable in these investigations. In the present study, we investigated mouse VPS13A transcript variants. We found brain-specific variants of mouse VPS13A, which may be involved in the brain-specific pathology of ChAc. In addition, we identified for the first time mouse VPS13C cDNA sequences and brain-specific variants of VPS13C.

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