Proceedings of the Japan Academy, Series B
Online ISSN : 1349-2896
Print ISSN : 0386-2208
Review
Ultra-Early Phase pathologies of Alzheimer’s disease and other neurodegenerative diseases
Hitoshi OKAZAWA
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Volume 93 (2017) Issue 6 Pages 361-377

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Abstract

The concept of neurodegenerative diseases and the therapeutics targeting these intractable diseases are changing rapidly. Protein aggregation as the top of pathological cascade is now challenged, and many alternative ideas are proposed. Early molecular pathologies before microscopic detection of diseases protein aggregates, which I propose to call “Ultra-Early Phase pathologies or phase 0 pathologies”, are the focus of research that might explain the failures of clinical trials with anti-Aβ antibodies against Alzheimer’s disease. In this review article, I summarize the critical issues that should be successfully and consistently answered by a new concept of neurodegeneration. For reevaluating old concepts and reconstructing a new concept of neurodegeneration that will replace the old ones, non-biased comprehensive approaches including proteome combined with systems biology analyses will be a powerful tool. I introduce our recent efforts in this orientation that have reached to the stage of non-clinical proof of concept applicable to clinical trials.

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© 2017 The Japan Academy
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