alexa Calmodulin-Like Skin Protein (CLSP) is a Novel Biomarker Candidate for Pick's Disease by Unfoldin-Modified Proteomic Analysis | OMICS International | Abstract
ISSN: 2155-9562

Journal of Neurology & Neurophysiology
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Proceedings

Calmodulin-Like Skin Protein (CLSP) is a Novel Biomarker Candidate for Pick's Disease by Unfoldin-Modified Proteomic Analysis

Kana Nishijima, Kaoru O’hara, Kiyotoshi Kaneko and Naomi Hachiya*

Department of Neurophysiology, Tokyo Medical University, Tokyo 160-8402, Japan

*Corresponding Author:
Naomi Hachiya
Department of Neurophysiology
Tokyo Medical University
Tokyo 160-8402, Japan
Tel: 81-3-3351-6141
Fax: 81-3-3351-6544
E-mail: [email protected]

Received July 09, 2012; Accepted August 27, 2012; Published August 28, 2012

Citation: Nishijima K, O’hara K, Kaneko K, Hachiya N (2012) Calmodulin-Like Skin Protein (CLSP) is a Novel Biomarker Candidate for Pick’s Disease by Unfoldin- Modified Proteomic Analysis. J Neurol Neurophysiol S11-003. doi: 10.4172/2155-9562.S11-003

Copyright: © 2012 Nishijima K, et al. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

Abstract

We identified a biomarker candidate for Pick’s disease using robust protein-unfolding activity, designated Unfoldin, which was purified from yeast cells. Unfoldin localized to the cell periphery at the stationary phase, whereas it was on the budding sites during the log phase and then surrounded the bud neck during cell division. ATP, but not its hydrolysis, promoted Unfoldin binding to protein substrates and unfolded their conformation. A total of 514 Pick bodies were purified and isolated with a laser-microdissection system without a healthy brain region and solubilized with Unfoldin in the presence of ATP, and then the components were analyzed using a shotgun protein analysis by liquid chromatography-tandem mass spectroscopy. A MASCOT analysis revealed that calmodulin-like skin protein is a possible marker protein for Pick’s disease, and it was localized in the Pick bodies of a patient with Pick’s disease. Unfoldin will open the way to diagnostics and therapeutics, particularly for protein-aggregation related diseases.

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