Cytokines induced by Sendai virus in human peripheral blood leukocytes
1996
Human peripheral blood leukocytes (hPBL) are a rich source of natural leukocyte inter- feron (IFN-a) when treated with Sendai virus. Sendai virus treatment of hPBL will also result in significant production ofseveral chemokines and cytokines such as macrophage inflammatory protein-la (MIP-la), MIP-l�, RANTES, tumor necrosis factor-a (TNF- a), interleukin-6 (IL-6), and IL-8, in a time-depend- ent way. A significant amount of MCP-l is constitutively produced in overnight culture of leu- kocytes. The most abundant cytokine is IFN-a, which is induced to its maximum level approximately 1 1-15 h after addition of Sendai virus. The amount ofIFN-a induced at 15 h after Sendai virus treatment is more than 16-fold higher than those of MIP-la, MIP-l�, and RANTES. IFN-a is also induced more than 60-fold higher than TNF-a and IL-8. The amount of IL-6 induced is approximately 400-fold less than IFN-a. Limited amounts of other cytokines such as IL-la, IL-l�, macrophage colony-stimulat- ing factor, TNF-�, and IFN-? are also induced in Sendai virus-treated hPBL. No measurable amount of granulocyte-macrophage colony-stimulating fac- tor, granulocyte colony-stimulating factor, leukemia inhibitory factor,IL-2,IL-3,IL-4,IL-5,IL-7,IL-b, IL- 1 1 , or IL- 1 2 was induced in the supernatant of Sendai virus-treated hPBL. J. Leukoc. Biol. 60: 125-128; 1996.
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