Expression of cytokine mRNA during immuno-modulation of murine suppressor macrophages.

Abstract:

:In order to analyze the mechanism of immuno-modulation by LPS on murine peritoneal suppressor macrophages, we have, using RNase protection assay, checked the changes of mRNA expression pattern of several cytokine genes during the immuno-modulation. It has been found that, after treating peritoneal suppressor macrophages with LPS, mRNAs of IL-12 p35, IL-12 p40, IL-6 and IFN-gamma are newly appeared, while those of IL-1 alpha, IL-1 beta and IL-1Ra are increased and those of other cytokines, like TGF-beta 1 and MIF are not changed at all. It seems certain that those cytokines, whose expression is increased by LPS stimulation, may be responsible for the functional changes of suppressor macrophages during immuno-modulation. Among these changes, the appearance of IL-12 mRNA may play a critical role, and, in this regard, the synergetic effect between IFN-gamma and LPS on the increase of IL-12 p35 and Il-12 p40 mRNA expression is an interesting finding.

journal_name

Cell Res

journal_title

Cell research

authors

Feng WG,Chang ZL

doi

10.1038/cr.1998.32

subject

Has Abstract

pub_date

1998-12-01 00:00:00

pages

317-22

issue

4

eissn

1001-0602

issn

1748-7838

journal_volume

8

pub_type

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