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Journal of Neuropathology & Experimental Neurology:
doi: 10.1097/NEN.0000000000000091
Review Article

Metabolomics of Human Brain Aging and Age-Related Neurodegenerative Diseases

Jové, Mariona PhD; Portero-Otín, Manuel PhD, MD; Naudí, Alba PhD; Ferrer, Isidre PhD, MD; Pamplona, Reinald PhD, MD

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Abstract

Neurons in the mature human central nervous system (CNS) perform a wide range of motor, sensory, regulatory, behavioral, and cognitive functions. Such diverse functional output requires a great diversity of CNS neuronal and non-neuronal populations. Metabolomics encompasses the study of the complete set of metabolites/low-molecular-weight intermediates (metabolome), which are context-dependent and vary according to the physiology, developmental state, or pathologic state of the cell, tissue, organ, or organism. Therefore, the use of metabolomics can help to unravel the diversity—and to disclose the specificity—of metabolic traits and their alterations in the brain and in fluids such as cerebrospinal fluid and plasma, thus helping to uncover potential biomarkers of aging and neurodegenerative diseases. Here, we review the current applications of metabolomics in studies of CNS aging and certain age-related neurodegenerative diseases such as Alzheimer disease, Parkinson disease, and amyotrophic lateral sclerosis. Neurometabolomics will increase knowledge of the physiologic and pathologic functions of neural cells and will place the concept of selective neuronal vulnerability in a metabolic context.

Copyright © 2014 by the American Association of Neuropathologists, Inc.

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