Articular tissues expressing the env-pX transgene are required for generation of arthritogenic T cells in human T cell leukemia virus type I transgenic rats.
Clin Exp Rheumatol
; 24(3): 313-6, 2006.
Article
en En
| MEDLINE
| ID: mdl-16870101
ABSTRACT
OBJECTIVE:
Human T cell leukemia virus type I env-pX transgenic rats (env-pX rats) were used to investigate the pathogenesis of arthritis.METHODS:
Phenotype of cells infiltrated into arthritic joints in env-pX rats was analyzed using flow cytometry and cell-transfer experiments were done using env-pX and wild-type WKAH rats.RESULTS:
The majority of T cells infiltrated into arthritic joints in env-pX rats exhibited a CD4 and activated phenotype. Transfer of these T cells into articular space in wild-type WKAH rats succeeded to induce arthritis similarly seen in env-pX rats. However, injection of the cells into sites other than joints did not induce inflammation. Transfer of in vitro-stimulated lymph node cells from disease-free env-pX rats into articular space did not induce arthritis in wild-type WKAH rats.CONCLUSION:
These findings suggest that articular tissues carrying the env-pX transgene are required for generation of arthritogenic T cells in env-pX rats. However, the constitutive antigens other than the transgene products are recognized as immunological targets by the arthritogenic T cells in the advanced arthritic joints. Molecules expressed specifically in articular tissues may be needed to maintain the inflammatory cell infiltration.
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Colección:
01-internacional
Base de datos:
MEDLINE
Asunto principal:
Artritis Experimental
/
Factores de Transcripción
/
Linfocitos T
/
Virus Linfotrópico T Tipo 1 Humano
/
Productos del Gen env
/
Proteínas Oncogénicas de Retroviridae
/
Articulaciones
Tipo de estudio:
Prognostic_studies
Límite:
Animals
/
Humans
Idioma:
En
Revista:
Clin Exp Rheumatol
Año:
2006
Tipo del documento:
Article
País de afiliación:
Japón