Evidence that α-fetoprotein suppresses the immunological function in transgenic mice

Tadashi Yamashita, Akio Nakane, Tomomasa Watanabe, Ichiro Miyoshi, Noriyuki Kasai

研究成果: Article査読

35 被引用数 (Scopus)

抄録

We examined the in vivo immunosuppressive effect of alpha-fetoprotein (AFP) by infection experiments with Listeria monocytogenes, a facultative intracellular pathogen, using transgenic mice that express and produce human AFP. The transgenic mice showed diminished ability to eliminate bacteria in the early stage of infection. In addition, the transgenic mice had significantly reduced production of IFN-γ in their livers and sera and TNF in their spleens. These data indicate that AFP suppresses the production of the cytokines, IFN-γ and TNF in NK cells and macrophages so that the mice could not eliminate the bacteria. This is the first report that AFP has an in vivo immunosuppressive effect on cytokine production related to the early host defense against infection by microorganisms.

本文言語English
ページ(範囲)1154-1159
ページ数6
ジャーナルBiochemical and biophysical research communications
201
3
DOI
出版ステータスPublished - 1994 6 30
外部発表はい

ASJC Scopus subject areas

  • Biophysics
  • Biochemistry
  • Molecular Biology
  • Cell Biology

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