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  • Title: Plasmalogens: A potential therapeutic target for neurodegenerative and cardiometabolic disease.
    Author: Paul S, Lancaster GI, Meikle PJ.
    Journal: Prog Lipid Res; 2019 Apr; 74():186-195. PubMed ID: 30974122.
    Abstract:
    Plasmalogens are a class of membrane glycerophospholipids with unique properties. They contain a vinyl-ether linked alkyl chain at the sn-1 position of the glycerol backbone and, typically, a polyunsaturated fatty acyl chain at the sn-2 position. Plasmalogens are critical for human health and have established roles in neuronal development, the immune response and as endogenous antioxidants. However, the mechanistic bases of these and other biological functions of plasmalogens are not well defined. Lipidomic studies have characterised reduced levels of plasmalogens in a number of disease states, including neurodegenerative and cardiometabolic disease, highlighting the potential of plasmalogen modulation as a therapeutic strategy. A number of approaches have been proposed to upregulate plasmalogen levels in different clinical settings; these include dietary intervention with inositol or the naturally occurring metabolic precursors known as alkylglycerols. Plasmalogen modulation has been utilised in both preclinical and clinical studies to prevent onset and/or attenuate progression of neurodegenerative diseases, atherosclerosis, insulin resistance and hepatosteatosis. These studies are providing new insight into the mechanistic role of plasmalogens in disease and their therapeutic potential. In this review, we will examine the strategies for plasmalogen modulation and recent progress toward therapeutic applications with a focus on neurodegenerative and cardiometabolic disease.
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