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Plasma biomarkers associated with ALS and their relationship to iron homeostasis. | LitMetric

Plasma biomarkers associated with ALS and their relationship to iron homeostasis.

Muscle Nerve

George M. Leader Family Laboratory, Department of Neurosurgery, Pennsylvania State University College of Medicine, 500 University Drive (H110), Hershey, PA 17033-0850, USA.

Published: July 2010

AI Article Synopsis

Article Abstract

Amyotrophic lateral sclerosis (ALS) is a progressive neurodegenerative disease with complicated pathogenesis with variable presentation and disease progression. There is a critical need for a panel of biomarkers to provide clinicians and researchers with additional information. In this study, multiplex immunoassays were used to screen a number of cytokines, growth factors, and iron-related proteins. ALS patients had significantly higher plasma levels of L-ferritin and lower concentrations of transferrin when compared to healthy controls and together classified a test group of subjects with 82% accuracy. Duration of ALS symptoms correlated positively with levels of monocyte chemoattractant protein 1 (MCP-1) and negatively with levels of granulocyte-macrophage colony stimulating factor (GM-CSF). The biomarker profile suggests iron homeostasis is disrupted in ALS patients, and changes in ferritin and transferrin (Tf) appear to be indicators of ongoing inflammatory processes. The data demonstrate a plasma biomarker profile in ALS patients that may differ from published reports of cerebrospinal fluid biomarkers.

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Source
http://dx.doi.org/10.1002/mus.21625DOI Listing

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