4.4 Article

Chimyl Alcohol Exhibits Proinflammatory Activity in vivo and in vitro

Journal

CELLS TISSUES ORGANS
Volume 211, Issue 1, Pages 30-40

Publisher

KARGER
DOI: 10.1159/000519832

Keywords

Alkylglycerols; Chimyl alcohol; LPS; RAW 264.7; Proinflammatory activity; Spleen

Funding

  1. Ministry of Science and Higher Education, Russian Federation [13.1902.21.0012, 075-15-2020-796]

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In this study, it was found that chmiyl alcohol (CA) promotes immune processes in the mouse spleen and macrophages. It enhances cell proliferation, increases the activity of the proinflammatory marker CD86, and elevates the levels of reactive oxygen species/nitric oxide/lysosomal activity. However, it does not affect the level of interleukin-1 beta. These findings indicate that CA has a complex immunostimulation effect.
Marine organisms are among the prominent and abundant sources of 1-O-alkyl-sn-glycerols, including chimyl alcohol (CA), batyl alcohol and selachyl alcohol. These biologically active compounds are precursors in plasmalogen and phospholipid biosynthesis, which are the main irreplaceable components of cell membranes. The results of this study demonstrate that CA promotes the activation of immune processes in the mouse spleen and in the mouse macrophage cell culture RAW 264.7. We studied the effect of CA on the spleen weight, as well as on the proliferation process and expression of interleukin-1 beta (IL-1 beta) and CD86 - a marker of the proinflammatory M1-type macrophage cell surface in experimental animals. We used the RAW 264.7 macrophage cell culture to assess the CA cytotoxicity, its effect on reactive oxygen species (ROS), nitric oxide (NO) production and lysosomal activity, as well as IL-1 beta and CD86 expression in vitro. In vivoand in vitro experiments have shown that CA: (1) enhances cell proliferation without changing the spleen's weight, (2) increases the activity of the proinflammatory marker CD86, (3) increases the level of ROS/NO/lysosome activity, and (4) does not affect the level of IL-1 beta. Our study reveals that CA has a complex immunostimulation effect in vitro and in vivo, which opens up prospects for further study of its biological activity. (C) 2021 S. Karger AG, Basel

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