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Exacerbation of corneal scarring in HSV-1 gK-immunized mice correlates with elevation of CD8+CD25+ T cells in corneas of ocularly infected mice.


ABSTRACT: We have shown previously that exacerbation of corneal scarring (CS) in HSV-1 glycoprotein K (gK) immunized mice was associated with CD8+ T cells. In this study, we investigated the type and the nature of the immune responses that are involved in the exacerbation of CS in gK-immunized animals. BALB/c mice were vaccinated with baculovirus expressed gK, gD, or mock-immunized. Twenty-one days after the third immunization, mice were ocularly infected with 2 x 10(5) PFU/eye of virulent HSV-1 strain McKrae. Infiltration of the cornea by CD4+, CD8+, CD25+, CD4+CD25+, CD8+CD25+, CD19+, CD40+, CD40L+, CD62L+, CD95+, B7-1+, B7-2+, MHC-I+, and MHC-II+ cells was monitored by immunohistochemistry, qRT-PCR and FACS at various times post-infection (PI). This study demonstrated for the first time that the presence of CD8+CD25+ T cells in the cornea is correlated with exacerbation of CS in the gK-immunized group.

SUBMITTER: Allen SJ 

PROVIDER: S-EPMC2830294 | biostudies-literature | 2010 Mar

REPOSITORIES: biostudies-literature

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Exacerbation of corneal scarring in HSV-1 gK-immunized mice correlates with elevation of CD8+CD25+ T cells in corneas of ocularly infected mice.

Allen Sariah J SJ   Mott Kevin R KR   Ljubimov Alexander V AV   Ghiasi Homayon H  

Virology 20100118 1


We have shown previously that exacerbation of corneal scarring (CS) in HSV-1 glycoprotein K (gK) immunized mice was associated with CD8+ T cells. In this study, we investigated the type and the nature of the immune responses that are involved in the exacerbation of CS in gK-immunized animals. BALB/c mice were vaccinated with baculovirus expressed gK, gD, or mock-immunized. Twenty-one days after the third immunization, mice were ocularly infected with 2 x 10(5) PFU/eye of virulent HSV-1 strain Mc  ...[more]

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