期刊
ACTA BIOCHIMICA ET BIOPHYSICA SINICA
卷 40, 期 6, 页码 505-512出版社
OXFORD UNIV PRESS
DOI: 10.1111/j.1745-7270.2008.00423.x
关键词
CIN85; shRNA; SH-SY5Y cell; Parkinson's disease
The newly discovered Cbl-interacting protein of 85 kDa (CIN85) is involved in many cellular processes, but its functions in the brain and in neurodegenerative diseases remain unclear. In this paper, we investigated the distribution of CIN85 protein in different regions of adult mouse brain using Western blot analysis and immunohistochemistry, and found that CIN85 was ubiquitously expressed in mouse brain. In the striatum and substantia nigra, two regions most deeply affected in Parkinson's disease, the level of CIN85 protein was relatively high. In the MPTP mouse model of Parkinson's disease, the expression of CIN85 in the striatum and substantia nigra was complicated. But in 1-methyl-4-phenyl-pyridinium ion-treated human dopaminergic SH-SY5Y cells, the expression of CIN85 increased dramatically. Knocking down of CIN85 by short hairpin RNA reduced SH-SY5Y cell death. Therefore, CIN85 might play different roles in the dopaminergic cell line and in the nigrostriatum of mouse brain under neurotoxin challenge.
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