The induction of cytokine gene expression in murine peritoneal macrophages by Pseudostellaria heterophylla.

Abstract:

:We have previously shown that a mitogenic fraction (PH-I) separated from Pseudostellaria heterophylla (P. heterophylla) could act as a priming agent for the release of tumor necrosis factor-alpha (TNF-alpha) in mice. In the present study, PH-I was further purified by gel filtration chromatography and the resulting three fractions (PH-I A, PH-I B and PH-I C) were assessed for the induction of TNF-alpha, interleukin-1-alpha (IL-1-alpha) and IL-1-beta gene expression in mice by enzyme-linked immunosorbent assay and polymerase chain reaction. It was found that fraction PH-I C from P. heterophylla was the most potent priming fraction among the three fractions for the induction of TNF-alpha in serum and the TNF-alpha mRNA in murine macrophages. Moreover, all three fractions were found to increase the expression of IL-1-alpha mRNA while PH-I C showed the most potent activating effect on the expression of IL-1-beta mRNA.

authors

Wong CK,Leung KN,Fung MC,Fung KP,Choy YM

doi

10.3109/08923979409007098

subject

Has Abstract

pub_date

1994-08-01 00:00:00

pages

347-57

issue

3

eissn

0892-3973

issn

1532-2513

journal_volume

16

pub_type

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