Comparative analysis of the CD8(+) T cell repertoires of H-2 class I wild-type/HLA-A2.1 and H-2 class I knockout/HLA-A2.1 transgenic mice.
Int Immunol
; 14(8): 925-34, 2002 Aug.
Article
en En
| MEDLINE
| ID: mdl-12147629
ABSTRACT
HHD transgenic mice which express HLA-A2.1 monochain molecules in a H-2 class I(-) context have an improved capacity to develop HLA-A2.1-restricted cytotoxic T lymphocyte (CTL) responses as compared with classical A2.1/K(b) transgenic mice, which express heterodimeric HLA-A2.1 molecules in a H-2 class I wild-type context. A detailed TCR analysis of HLA-A2.1-restricted CD8(+) T cells educated and mobilized in both strains of mice was undertaken. Focusing on TCR beta chains, comparative PCR analysis of naive and immune CD8(+) T cell repertoires were performed. In spite of lower cell surface expression of HLA class I molecules and lower overall number of CD8(+) T cells, HHD mice educate a qualitatively normally diversified CD8(+) T cell repertoire and mobilize a larger variety of CD8(+) T cells in response to HLA-A2.1-restricted antigens compared with A2.1/K(b) mice. These observations provide the molecular bases accounting for the fact that HHD mice represent the most versatile animal model currently available for preclinical studies of HLA-A2.1-restricted CTL responses.
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Base de datos:
MEDLINE
Asunto principal:
Genes MHC Clase I
/
Antígenos H-2
/
Antígeno HLA-A2
/
Linfocitos T CD8-positivos
Límite:
Animals
/
Humans
Idioma:
En
Revista:
Int Immunol
Asunto de la revista:
ALERGIA E IMUNOLOGIA
Año:
2002
Tipo del documento:
Article
País de afiliación:
Francia