Kenji Isoe-Wada

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Parkinson's disease (PD) is a common cause of dementia in the elderly. Dementia in Alzheimer's disease (AD) and PD share common biologic and clinical features. The estrogen receptor (ER) gene is one of the susceptibility genes for AD. In order to test the hypothesis that the overlap between AD and PD may have a genetic basis, we determined ER gene(More)
Epidemiological studies have shown that elevated plasma homocysteine (Hcy) levels play an important role in the pathogenesis of Alzheimer's disease (AD). In spite of the evidence that a C677T polymorphism in the methylenetetrahydrofolate reductase (MTHFR) gene elevates plasma Hcy levels, the impact of the C677T polymorphism on the development of AD is(More)
Tau protein and amyloid s (Abeta), two major components of neuropathology in Alzheimer disease (AD), have been applied for establishment of more useful biomarkers and therapeutic approaches. Total tau protein in CSF is a biomarker for AD, however increased levels of total tau in CSF were also observed in other neurological disease with dementia.(More)
Expression of presenilin-1 (PS-1) mRNA in an alternative splicing at the 3' end of exon 3 was examined in brain tissue, lymphocytes and cultured skin fibroblasts using the RT- polymerase chain reaction (RT-PCR) method. We quantified the relative ratios of the densities of the long form of PS-1 mRNA, which contains a sequence encoding four amino acids (VRSQ,(More)
Recent epidemiological studies have emphasized the impact of elevated blood homocysteine levels on the pathogenesis of Alzheimer's disease (AD). In spite of a significant impact of a MTHFR C677T polymorphism on the blood homocysteine levels, the association between the C677T polymorphism and AD remains controversial. Therefore, other unidentified genetic(More)
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