Wild-type measles virus infection in human CD46/CD150-transgenic mice

CD11c-positive dendritic cells establish systemic viral infection

Masashi Shingai, Naokazu Inoue, Tsuyoshi Okuno, Masaru Okabe, Takashi Akazawa, Yasuhide Miyamoto, Minoru Ayata, Kenya Honda, Mitsue Kurita-Taniguchi, Misako Matsumoto, Hisashi Ogura, Tadatsugu Taniguchi, Tsukasa Seya

Research output: Contribution to journalArticle

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Abstract

We generated transgenic (TG) mice that constitutively express human CD46 (huCD46) and/or TLR-inducible CD150 (huCD150), which serve as receptors for measles virus (MV). These mice were used to study the spreading and pathogenicity of GFP-expressing or intact laboratory-adapted Edmonston and wild-type Ichinose (IC) strains of MV. Irrespective of the route of administration, neither type of MV was pathogenic to these TG mice. However, in ex vivo, limited replication of IC was observed in the spleen lymphocytes from huCD46/huCD150 TG and huCD150 TG, but not in huCD46 TG and non-TG mice. In huCD150-positive TG mouse cells, CD11c-positive bone marrow-derived myeloid dendritic cells (mDC) participated in MV-mediated type I IFN induction. The level and induction profile of IFN-β was higher in mDC than the profile of IFN-α. Wild-type IC induced markedly high levels of IFN-β compared with Edmonston in mDC, as opposed to human dendritic cells. We then generated huCD46/huCD150 TG mice with type I IFN receptor (IFNAR1)-/- mice. MV-bearing mDCs spreading to draining lymph nodes were clearly observed in these triple mutant mice in vivo by i.p. MV injection. Infectious lymph nodes were also detected in the double TG mice into which MV-infected CD11c-positive mDCs were i.v. transferred. This finding suggests that in the double TG mouse model mDCs once infected facilitate systemic MV spreading and infection, which depend on mDC MV permissiveness determined by the level of type I IFN generated via IFNAR1. Although these results may not simply reflect human MV infection, the huCD150/huCD46 TG mice may serve as a useful model for the analysis of MV-dependent modulation of mDC response.

Original languageEnglish
Pages (from-to)3252-3261
Number of pages10
JournalJournal of Immunology
Volume175
Issue number5
Publication statusPublished - 2005 Sep 1
Externally publishedYes

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Measles virus
Virus Diseases
Dendritic Cells
Transgenic Mice
Myeloid Cells
Lymph Nodes
Permissiveness
Virulence
Spleen
Bone Marrow
Lymphocytes

ASJC Scopus subject areas

  • Immunology

Cite this

Shingai, M., Inoue, N., Okuno, T., Okabe, M., Akazawa, T., Miyamoto, Y., ... Seya, T. (2005). Wild-type measles virus infection in human CD46/CD150-transgenic mice: CD11c-positive dendritic cells establish systemic viral infection. Journal of Immunology, 175(5), 3252-3261.

Wild-type measles virus infection in human CD46/CD150-transgenic mice : CD11c-positive dendritic cells establish systemic viral infection. / Shingai, Masashi; Inoue, Naokazu; Okuno, Tsuyoshi; Okabe, Masaru; Akazawa, Takashi; Miyamoto, Yasuhide; Ayata, Minoru; Honda, Kenya; Kurita-Taniguchi, Mitsue; Matsumoto, Misako; Ogura, Hisashi; Taniguchi, Tadatsugu; Seya, Tsukasa.

In: Journal of Immunology, Vol. 175, No. 5, 01.09.2005, p. 3252-3261.

Research output: Contribution to journalArticle

Shingai, M, Inoue, N, Okuno, T, Okabe, M, Akazawa, T, Miyamoto, Y, Ayata, M, Honda, K, Kurita-Taniguchi, M, Matsumoto, M, Ogura, H, Taniguchi, T & Seya, T 2005, 'Wild-type measles virus infection in human CD46/CD150-transgenic mice: CD11c-positive dendritic cells establish systemic viral infection', Journal of Immunology, vol. 175, no. 5, pp. 3252-3261.
Shingai, Masashi ; Inoue, Naokazu ; Okuno, Tsuyoshi ; Okabe, Masaru ; Akazawa, Takashi ; Miyamoto, Yasuhide ; Ayata, Minoru ; Honda, Kenya ; Kurita-Taniguchi, Mitsue ; Matsumoto, Misako ; Ogura, Hisashi ; Taniguchi, Tadatsugu ; Seya, Tsukasa. / Wild-type measles virus infection in human CD46/CD150-transgenic mice : CD11c-positive dendritic cells establish systemic viral infection. In: Journal of Immunology. 2005 ; Vol. 175, No. 5. pp. 3252-3261.
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