Volume 40, Issue 6 pp. 505-512

Expression of Cbl-interacting protein of 85 kDa in MPTP mouse model of Parkinson's disease and 1-methyl-4-phenyl-pyridinium ion-treated dopaminergic SH-SY5Y cells

Minjuan Bian

Minjuan Bian

National Key Laboratory of Medical Neurobiology, Shanghai Medical College, Fudan University, Shanghai 200032, China

These authors contributed equally to this work

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Mei Yu

Mei Yu

National Key Laboratory of Medical Neurobiology, Shanghai Medical College, Fudan University, Shanghai 200032, China

These authors contributed equally to this work

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Shanzheng Yang

Shanzheng Yang

National Key Laboratory of Medical Neurobiology, Shanghai Medical College, Fudan University, Shanghai 200032, China

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Hui Gao

Hui Gao

National Key Laboratory of Medical Neurobiology, Shanghai Medical College, Fudan University, Shanghai 200032, China

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Yalin Huang

Yalin Huang

National Key Laboratory of Medical Neurobiology, Shanghai Medical College, Fudan University, Shanghai 200032, China

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Chunguang Deng

Chunguang Deng

Shanghai Nan Fang Model Organism Research Center, Shanghai 201203, China

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Yanqin Gao

Yanqin Gao

National Key Laboratory of Medical Neurobiology, Shanghai Medical College, Fudan University, Shanghai 200032, China

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Fengyan Sun

Fengyan Sun

National Key Laboratory of Medical Neurobiology, Shanghai Medical College, Fudan University, Shanghai 200032, China

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Fang Huang

Corresponding Author

Fang Huang

National Key Laboratory of Medical Neurobiology, Shanghai Medical College, Fudan University, Shanghai 200032, China

*Corresponding author: Tel, 86-21-54237296; Fax, 86-21-64174579; E-mail: [email protected]Search for more papers by this author
First published: 28 June 2008
Citations: 3

This work was supported by the grants from the National Natural Science Foundation (30570633) and the Shanghai Metropolitan Fund for Research and Development (04BZ14005 and 07DJ14005)

Abstract

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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