Journal
INTERNATIONAL IMMUNOPHARMACOLOGY
Volume 80, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.intimp.2019.106133
Keywords
Analgesics; Differentiation; Immunity; Morphine; Naltrexone
Categories
Funding
- Fund of Six Best Talent of Jiangsu, 2016 [WSW-113]
- Fund of Science and Technology of Yixing [2016-11]
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Background: T help 2 (Th2) cell differentiation by morphine has been verified. However, the underlying mechanism of morphine induces Th2 cell differentiation remains elusive. The aim of the present study was to explore the possible basis of morphine induced Th2 cell differentiation. Methods: Flow cytometry analysis was used to detect the content of T help 1(Th1) cell and Th2 cell. Enzyme linked immunosorbent assay (ELISA) was performed to determine the levels of IL-4 and IFN-gamma. Real-time quantitative polymerase chain reaction, electrophoretic mobility shift assay and Western blotting was conducted in this study. Results: Th2 cell subset and IL-4 level were elevated in morphine induced naive T cells. Pathway determining found the protein phosphorylation level of PKC-theta and the expression and activity of the transcription factor GATA3 was also enhanced in the naive T cells challenged by morphine. Moreover, inhibitor of morphine(naltrexone) or PKC-theta(AEB071) can reverse morphine-induced Th2 cell differentiation. Conclusion: These results suggested that morphine induce naive T cell differentiation to Th2 cells via the PKC-theta/GATA3 signal pathway.
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