Journal
INFLAMMATION
Volume 35, Issue 3, Pages 1069-1077Publisher
SPRINGER/PLENUM PUBLISHERS
DOI: 10.1007/s10753-011-9413-6
Keywords
morphine; ketamine; T help cell; T-bet; GATA3
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Funding
- National Natural Science Foundation of China [30801068]
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This study was conducted to investigate the effect of morphine on CD4-positive T cells differentiation and the transcriptional factors induced by phorbol myristate acetate (PMA) and ionomycin. CD4-positive lymphocytes separated from healthy volunteers were incubated by PMA (25 ng/ml) + ionomycin (1 mu g/ml) with or without the presence of morphine, ketamine, or naloxone. Th subsets, supernatant cytokines, and transcriptional factors were detected 4 h later. Th1 and Th2 cells, levels of INF-gamma, IL-2, IL-4 and the activities of T-bet and GATA3 were significantly increased after incubation with PMA and ionomycin. However, the number of Th1 cells, Th1/ Th2, the levels of INF-gamma and INF-gamma/IL-4, and the activities and protein levels of T-bet and GATA3 were decreased after incubation with PMA and ionomycin in the presence of morphine. Naloxone can abolish morphine's suppressive effect on Th cell differentiation. Morphine has a negative effect on Th cell balance induced by PMA and ionomycin, the mechanism is related to T-bet and GATA3.
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