<i>Panax quinquefolius</i> (North American Ginseng) Polysaccharides as Immunomodulators: Current Research Status and Future Directions

<i>Panax quinquefolius</i> (North American ginseng, NAG) is a popular medicinal plant used widely in traditional medicine. NAG products are currently available in various forms such as roots, extracts, nutraceuticals, dietary supplements, energy drinks, etc. NAG polysaccharides are recog...

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Main Authors: Rajarshi Ghosh, Daniel L. Bryant, Anthony L. Farone
Format: Article
Language:English
Published: MDPI AG 2020-12-01
Series:Molecules
Subjects:
Online Access:https://www.mdpi.com/1420-3049/25/24/5854
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author Rajarshi Ghosh
Daniel L. Bryant
Anthony L. Farone
author_facet Rajarshi Ghosh
Daniel L. Bryant
Anthony L. Farone
author_sort Rajarshi Ghosh
collection DOAJ
description <i>Panax quinquefolius</i> (North American ginseng, NAG) is a popular medicinal plant used widely in traditional medicine. NAG products are currently available in various forms such as roots, extracts, nutraceuticals, dietary supplements, energy drinks, etc. NAG polysaccharides are recognized as one of the major bioactive ingredients. However, most NAG reviews are focused on ginsenosides with little information on polysaccharides. NAG polysaccharides have demonstrated a therapeutic activity in numerous studies, in which many of the bioactivities involve regulation of the immune response. The purpose of this review is to summarize the structural features and the immunomodulatory properties of crude, partially purified, and pure polysaccharides isolated from NAG. Receptors of the innate immune system that potentially bind to NAG polysaccharides and the respective signal transduction pathways initiated by these compounds are discussed. Major challenges, recent innovations, and future directions in NAG polysaccharide research are also summarized.
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spelling doaj.art-bec99e222320484f8b686ef12f7c76c22023-11-21T00:19:24ZengMDPI AGMolecules1420-30492020-12-012524585410.3390/molecules25245854<i>Panax quinquefolius</i> (North American Ginseng) Polysaccharides as Immunomodulators: Current Research Status and Future DirectionsRajarshi Ghosh0Daniel L. Bryant1Anthony L. Farone2Department of Biochemistry, University of Missouri, Columbia, MO 65211, USADepartment of Biology, Middle Tennessee State University, Murfreesboro, TN 37132, USADepartment of Biology, Middle Tennessee State University, Murfreesboro, TN 37132, USA<i>Panax quinquefolius</i> (North American ginseng, NAG) is a popular medicinal plant used widely in traditional medicine. NAG products are currently available in various forms such as roots, extracts, nutraceuticals, dietary supplements, energy drinks, etc. NAG polysaccharides are recognized as one of the major bioactive ingredients. However, most NAG reviews are focused on ginsenosides with little information on polysaccharides. NAG polysaccharides have demonstrated a therapeutic activity in numerous studies, in which many of the bioactivities involve regulation of the immune response. The purpose of this review is to summarize the structural features and the immunomodulatory properties of crude, partially purified, and pure polysaccharides isolated from NAG. Receptors of the innate immune system that potentially bind to NAG polysaccharides and the respective signal transduction pathways initiated by these compounds are discussed. Major challenges, recent innovations, and future directions in NAG polysaccharide research are also summarized.https://www.mdpi.com/1420-3049/25/24/5854ginsengplant polysaccharidesimmunostimulantmechanism of action
spellingShingle Rajarshi Ghosh
Daniel L. Bryant
Anthony L. Farone
<i>Panax quinquefolius</i> (North American Ginseng) Polysaccharides as Immunomodulators: Current Research Status and Future Directions
Molecules
ginseng
plant polysaccharides
immunostimulant
mechanism of action
title <i>Panax quinquefolius</i> (North American Ginseng) Polysaccharides as Immunomodulators: Current Research Status and Future Directions
title_full <i>Panax quinquefolius</i> (North American Ginseng) Polysaccharides as Immunomodulators: Current Research Status and Future Directions
title_fullStr <i>Panax quinquefolius</i> (North American Ginseng) Polysaccharides as Immunomodulators: Current Research Status and Future Directions
title_full_unstemmed <i>Panax quinquefolius</i> (North American Ginseng) Polysaccharides as Immunomodulators: Current Research Status and Future Directions
title_short <i>Panax quinquefolius</i> (North American Ginseng) Polysaccharides as Immunomodulators: Current Research Status and Future Directions
title_sort i panax quinquefolius i north american ginseng polysaccharides as immunomodulators current research status and future directions
topic ginseng
plant polysaccharides
immunostimulant
mechanism of action
url https://www.mdpi.com/1420-3049/25/24/5854
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