Oxylipin Profiles as Functional Characteristics of Acute Inflammatory Responses in Astrocytes Pre-Treated with IL-4, IL-10, or LPS

International Journal of Molecular Sciences
Dmitry V ChistyakovMarina G Sergeeva

Abstract

Functional phenotypes, which cells can acquire depending on the microenvironment, are currently the focus of investigations into new anti-inflammatory therapeutic approaches. Glial cells, microglia, and astrocytes are major participants in neuroinflammation, but their roles differ, as microglia are cells of mesodermal origin, while astrocytes are cells of ectodermal origin. The inflammatory phenotype of cells can be modulated by ω-6- and ω-3-polyunsaturated fatty acid-derived oxylipins, although data on changes in oxylipin profiles in different cell adaptations to pro- and anti-inflammatory stimuli are scarce. Our study aimed to compare UPLC-MS/MS-measured oxylipin profiles in various rat astrocyte adaptation states. We used cells treated for 24 h with lipopolysaccharide (LPS) for classical pro-inflammatory adaptation and with interleukin 4 (IL-4) or 10 (IL-10) for alternative anti-inflammatory adaptation, with the resulting phenotypes characterized by quantitative real-time PCR (RT-PCR). We also tested long-term, low-concentration LPS treatment (endotoxin treatment) as a model of astrocyte adaptations. The functional response of astrocytes was estimated by acute (4 h) LPS-induced cell reactivity, measured by gene expression ma...Continue Reading

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Citations

Dec 20, 2020·International Journal of Molecular Sciences·Dmitry V ChistyakovMarina G Sergeeva
Nov 6, 2020·International Journal of Molecular Sciences·Dmitry V ChistyakovMarina G Sergeeva
May 29, 2021·Neurochemistry International·Yan-Ying Fan, Jing Huo
Jun 3, 2021·Metabolites·Dmitry V ChistyakovMarina G Sergeeva

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Methods Mentioned

BETA
PCR

Software Mentioned

Lipid Mediator

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