Genetic background determines susceptibility to experimental immune-mediated blepharoconjunctivitis

Comparison of Balb/c and C57BL/6 mice

Atsuki Fukushima, Tomoko Yamaguchi, Waka Ishida, Kazuyo Fukata, Taketoshi Taniguchi, Fu-Tong Liu, Hisayuki Ueno

Research output: Contribution to journalArticle

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Abstract

Balb/c and C57BL/6 mice have been reported to be biased towards Th2 and Th1 immune responses, respectively. We investigated which strain is more susceptible to the development of experimental immune-mediated blepharoconjunctivitis (EC), which is predominantly mediated by Th2 immune responses. EC was induced by three different methods in Balb/c and C57BL/6 mice using ragweed (RW) as the antigen. The mice were thus either actively immunized with RW, passively immunized by transfer of RW-primed T cells, or passively immunized by transfer of RW-specific IgE, followed by RW challenge in eye drops. Twenty-four hours after the challenge, conjunctivas, sera and spleens were harvested for histological analysis, measurement of serum IgE and assessment of cellular immune responses, respectively. The responses of the Balb/c and C57BL/6 mice were compared. In addition, to assess the involvement of IFN-γ in the development of EC in the two strains, IFN-γ knockout (GKO) mice of the two strains were actively immunized and evaluated as above. Regardless of the method of induction, EC, as determined by the degree of eosinophil infiltration into the conjunctiva, was more severe in Balb/c mice than in C57BL/6 mice. Moreover, more IgE was produced by actively immunized Balb/c mice than C57BL/6 mice and RW-primed splenocytes from Balb/c mice produced more IL-4 but less IFN-γ than those from C57BL/6 mice. EC could be induced in the GKO mice of both strains. However, when their EC was compared to that in WT mice, significantly less infiltration of eosinophils was noted in the Balb/c GKO mice. Taken together, Balb/c mice are more susceptible to EC than C57BL/6 mice and this higher susceptibility might be related to the Th2 immune response bias of Balb/c mice. Furthermore, the involvement of endogenous IFN-γ in the development of EC in these two strains differs.

Original languageEnglish (US)
Pages (from-to)210-218
Number of pages9
JournalExperimental Eye Research
Volume82
Issue number2
DOIs
StatePublished - Feb 2006

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Inbred C57BL Mouse
Ambrosia
Immunoglobulin E
Conjunctiva
Eosinophils
Genetic Background
Ophthalmic Solutions
Serum
Knockout Mice
Cellular Immunity
Interleukin-4
Spleen
T-Lymphocytes
Antigens

ASJC Scopus subject areas

  • Ophthalmology
  • Sensory Systems

Cite this

Genetic background determines susceptibility to experimental immune-mediated blepharoconjunctivitis : Comparison of Balb/c and C57BL/6 mice. / Fukushima, Atsuki; Yamaguchi, Tomoko; Ishida, Waka; Fukata, Kazuyo; Taniguchi, Taketoshi; Liu, Fu-Tong; Ueno, Hisayuki.

In: Experimental Eye Research, Vol. 82, No. 2, 02.2006, p. 210-218.

Research output: Contribution to journalArticle

Fukushima, Atsuki ; Yamaguchi, Tomoko ; Ishida, Waka ; Fukata, Kazuyo ; Taniguchi, Taketoshi ; Liu, Fu-Tong ; Ueno, Hisayuki. / Genetic background determines susceptibility to experimental immune-mediated blepharoconjunctivitis : Comparison of Balb/c and C57BL/6 mice. In: Experimental Eye Research. 2006 ; Vol. 82, No. 2. pp. 210-218.
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