NDLI: Influence of red algal polysaccharides on biological activities and supramolecular structure of bacterial lipopolysaccharide

Content Provider	Springer Nature Link
Author	Yermak, Irina M. Sokolova, Ekaterina V. Davydova, Viktoria N. Solov’eva, Tamara F. Aminin, Dmitry L. Reuv, Anatoliy V. Lapshina, Larisa A.
Copyright Year	2015
Abstract	The present work reveals the effect of kappa-, lambda- and kappa/beta-carrageenans on the immune modulation and supramolecular structure of lipopolysaccharide (LPS). The kappa/beta carrageenan was able to increase the synthesis of anti-inflammatory interleukin-10 (IL-10) in vitro, and at low concentrations, their activity in the mixture with LPS was higher than that of LPS alone. Kappa-carrageenan significantly inhibited LPS-induced upregulation of reactive oxygen species (ROS). The activation of cells by kappa-carrageenan occurs through TLR4 receptor specific for LPS. Carrageenans reduced (kappa-) or completely inhibited (lambda-) collagen-induced platelet aggregation and decreased their aggregation activity caused by cooperative effect of LPS and collagen. The transformation of ultrastructure of LPS by action of kappa- and kappa/beta-carrageenans is observed. Moreover, carrageenans changed both the sizes and ζ- potentials of the LPS.
Starting Page	619
Ending Page	627
Page Count	9
File Format	PDF
ISSN	09218971
Journal	Journal of Applied Phycology
Volume Number	28
Issue Number	1
e-ISSN	15735176
Language	English
Publisher	Springer Netherlands
Publisher Date	2015-03-25
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Red seaweeds Carrageenans Endotoxin LPS Interleukine-10 Platelet aggregation TLR4/MD2 Size potential Electron microscopy Plant Sciences Freshwater & Marine Ecology Plant Physiology Ecology
Content Type	Text
Resource Type	Article
Subject	Plant Science Aquatic Science

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