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International Journal of Alzheimer’s Disease
Volume 2012 (2012), Article ID 245038, 18 pages
http://dx.doi.org/10.1155/2012/245038
Research Article

Japanese Alzheimer’s Disease and Other Complex Disorders Diagnosis Based on Mitochondrial SNP Haplogroups

Toyo University, Izumino 1-1-1, Ora-gun Itakuracho, Gunma 374-0193, Japan

Received 11 January 2012; Revised 14 March 2012; Accepted 30 March 2012

Academic Editor: Bruce G. Pollock

Copyright © 2012 Shigeru Takasaki. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

This paper first explains how the relations between Japanese Alzheimer’s disease (AD) patients and their mitochondrial SNP frequencies at individual mtDNA positions examined using the radial basis function (RBF) network and a method based on RBF network predictions and that Japanese AD patients are associated with the haplogroups G2a and N9b1. It then describes a method for the initial diagnosis of Alzheimer’s disease that is based on the mtSNP haplogroups of the AD patients. The method examines the relations between someone’s mtDNA mutations and the mtSNPs of AD patients. As the mtSNP haplogroups thus obtained indicate which nucleotides of mtDNA loci are changed in the Alzheimer’s patients, a person’s probability of becoming an AD patient can be predicted by comparing those mtDNA mutations with that person’s mtDNA mutations. The proposed method can also be used to diagnose diseases such as Parkinson’s disease and type 2 diabetes and to identify people likely to become centenarians.