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  • Title: Altered expression of metabolic proteins and adipokines in patients with amyotrophic lateral sclerosis.
    Author: Ngo ST, Steyn FJ, Huang L, Mantovani S, Pfluger CM, Woodruff TM, O'Sullivan JD, Henderson RD, McCombe PA.
    Journal: J Neurol Sci; 2015 Oct 15; 357(1-2):22-7. PubMed ID: 26198021.
    Abstract:
    Amyotrophic lateral sclerosis (ALS) is an adult-onset neurodegenerative disease characterized by the loss of upper cortical and lower motor neurons. ALS causes death within 2-5years of diagnosis. Diet and body mass index influence the clinical course of disease, however there is limited information about the expression of metabolic proteins and fat-derived cytokines (adipokines) in ALS. In healthy controls and subjects with ALS, we have measured levels of proteins and adipokines that influence metabolism. We find altered levels of active ghrelin, gastric inhibitory peptide (GIP), pancreatic polypeptide (PP), lipocalin-2, plasminogen activator inhibitor-1 (PAI-1), interleukin-6 (IL-6) and 8 (IL-8), and tumor necrosis factor alpha (TNFα) in the plasma of ALS patients relative to controls. We also observe a positive correlation between the expression of plasma nerve growth factor (NGF) relative to disease duration, and an inverse correlation between plasma glucagon and the ALS functional rating scale-revised (ALSFRS-R). Further studies are required to determine whether altered expression of metabolic proteins and adipokines contribute to motor neuron vulnerability and how these factors act to modify the course of disease.
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