Blockage of the macrophage migration inhibitory factor expression by short interference RNA inhibited the rejection of an allogeneic tracheal graft

Seiichi Fukuyama, Ichiro Yoshino, Masafumi Yamaguchi, Atsushi Osoegawa, Toshifumi Kameyama, Tetsuzo Tagawa, Yosihiko Maehara

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

We investigated the inhibitory effect of blocking the macrophage migration inhibitory factor (MIF) on the fibrous obstruction of a transplanted allograft in a murine model of obstructive bronchiolitis (OB). Tracheal grafts from C57BL/6 mice were transplanted into a subcutaneous pouch of BALB/c. Three days after transplantation, liposome including short interference (si) RNA for MIF was injected into the lumen of the grafts. The allografts were then harvested 7, 14 or 28 days after transplantation for an evaluation of the morphological changes. The MIF expression, which was ubiquitously recognized in the epithelium of allografts, decreased after the in vivo transfection of MIF siRNA. OB formation was therefore inhibited significantly more by the treatment with MIF siRNA than the allografts injected with empty liposome on the 14th day, however, no difference was observed between them on the 28th day. Treatment with MIF siRNA inhibits the destruction of tracheal allografts and OB formation in the early phase, and MIF was thus found to be one of the major cytokines involved in the rejection of the allogeneic trachea.

Original languageEnglish
Pages (from-to)1203-1209
Number of pages7
JournalTransplant International
Volume18
Issue number10
DOIs
Publication statusPublished - Oct 1 2005

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Macrophage Migration-Inhibitory Factors
RNA Interference
Allografts
Bronchiolitis
Transplants
Small Interfering RNA
Liposomes
Transplantation
Trachea
Inbred C57BL Mouse
Transfection
Epithelium
Cytokines
Therapeutics

All Science Journal Classification (ASJC) codes

  • Transplantation

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Blockage of the macrophage migration inhibitory factor expression by short interference RNA inhibited the rejection of an allogeneic tracheal graft. / Fukuyama, Seiichi; Yoshino, Ichiro; Yamaguchi, Masafumi; Osoegawa, Atsushi; Kameyama, Toshifumi; Tagawa, Tetsuzo; Maehara, Yosihiko.

In: Transplant International, Vol. 18, No. 10, 01.10.2005, p. 1203-1209.

Research output: Contribution to journalArticle

Fukuyama, Seiichi ; Yoshino, Ichiro ; Yamaguchi, Masafumi ; Osoegawa, Atsushi ; Kameyama, Toshifumi ; Tagawa, Tetsuzo ; Maehara, Yosihiko. / Blockage of the macrophage migration inhibitory factor expression by short interference RNA inhibited the rejection of an allogeneic tracheal graft. In: Transplant International. 2005 ; Vol. 18, No. 10. pp. 1203-1209.
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AU - Tagawa, Tetsuzo

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