Identification of Disease Markers in Human Cerebrospinal Fluid Using Lipidomic and Proteomic MethodsReport as inadecuate




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Disease Markers - Volume 22 2006, Issue 1-2, Pages 39-64



Molecular Neurology Program, Huntington Medical Research Institutes, Pasadena, CA 91101, USA

Thermo, San Jose, CA 95134, USA

Received 11 November 2005; Accepted 11 November 2005

Copyright © 2006 Hindawi Publishing Corporation. 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

Lipids comprise the bulk of the dry mass of the brain. In addition to providing structural integrity to membranes, insulation to cells and acting as a source of energy, lipids can be rapidly converted to mediators of inflammation or to signaling molecules that control molecular and cellular events in the brain. The advent of soft ionization procedures such as electrospray ionization ESI and atmospheric pressure chemical ionization APCI have made it possible for compositional studies of the diverse lipid structures that are present in brain. These include phospholipids, ceramides, sphingomyelin, cerebrosides, cholesterol and their oxidized derivatives. Lipid analyses have delineated metabolic defects in disease conditions including mental retardation, Parkinson-s Disease PD, schizophrenia, Alzheimer-s Disease AD, depression, brain development, and ischemic stroke. In this review, we examine the structure of the major lipid classes in the brain, describe methods used for their characterization, and evaluate their role in neurological diseases. The potential utility of characterizing lipid markers in the brain, with specific emphasis on disease mechanisms, will be discussed. Additionally, we describe several proteomic strategies for characterizing lipid-metabolizing proteins in human cerebrospinal fluid CSF. These proteins may be potential therapeutic targets since they transport lipids required for neuronal growth or convert lipids into molecules that control brain physiology. Combining lipidomics and proteomics will enhance existing knowledge of disease pathology and increase the likelihood of discovering specific markers and biochemical mechanisms of brain diseases.





Author: Alfred N. Fonteh, Robert J. Harrington, Andreas F. Huhmer, Roger G. Biringer, James N. Riggins, and Michael G. Harrington

Source: https://www.hindawi.com/



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