Self-priming cell culture system for monitoring genetically-controlled spontaneous cytokine-producing ability in mice.

Abstract:

:To monitor genetically-controlled cytokine-producing ability in mice in vitro, we developed a high-density cell culture system, which is preferable for inducing CD4+ T cell-dependent self-priming responses without any antigenic stimulation. When BALB/c spleen cells were cultured at high density (over 1.0 x 10(7) cells/well) in 12-well culture plate, they spontaneously produced cytokines including IFN-gamma, IL-2, IL-3, IL-5 and IL-6. The spontaneous cytokine production in this self-priming cell culture (SPCC) system was totally dependent on MHC class II-restricted CD4+ T cells. It was demonstrated that Th2-type BALB/c background mice exhibited higher levels of spontaneous cytokine production in SPCC culture compared with Th1-type C57BL/6 mice. Moreover, using BALB/c x C57BL/6 F1 mice and B10D2 congenic mice, it was demonstrated that highly spontaneous cytokine-producing ability in BALB/c background is genetically dominant and it is controlled by non-MHC genes. Unexpectedly, BALB/c mice spontaneously produced higher levels of IL-2 and IFN-gamma than C57BL/6 mice. However, BALB/c mice revealed lower levels of CTL and NK cell-generation in SPCC system compared with C57BL/6 mice. These results suggested that genetically-controlled predisposition of BALB/c mice toward Th2 immunity appeared not to be derived from their poor IFN-gamma-producing ability but rather derived from their poor responsiveness to IFN-gamma.

journal_name

Immunol Lett

journal_title

Immunology letters

authors

Sato M,Iwakabe K,Ohta A,Sekimoto M,Kimura S,Nishimura T

doi

10.1016/s0165-2478(99)00143-1

subject

Has Abstract

pub_date

1999-12-01 00:00:00

pages

173-8

issue

3

eissn

0165-2478

issn

1879-0542

pii

S0165247899001431

journal_volume

70

pub_type

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