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The Role of Cyclosporine and Mycophenolate in an Orthotopic Porcine-to-Rat Corneal Xenotransplantation
Journal of Korean Medical Science ; : 492-501, 2008.
Article Dans Anglais | WPRIM | ID: wpr-201068
ABSTRACT
We performed this study to investigate the feature of rejection in porcine-to-rat corneal orthotopic transplantation and to evaluate the effect of cyclosporine and mycophenolate on the xeno-rejection. Orthotopic corneal transplantation was done at 91 Sprague-Dawley rats, and they were divided into 10 groups based on the combination of immunosuppressants including dexamethasone, cyclosporine, and mycophenolate mofetil. Graft survival was analyzed and grafted eyes were examined with Hematoxylin & Eosin and CD4 or CD8 staining. Enzyme-linked immunosorbent assays were done for interleukin-2 (IL-2), IL-4, IL-5, IL-10, and interferon (IFN)-gamma in cornea, lacrimal gland, and cervical lymph nodes. The longest median survival of the immune suppressant group was 11.00+/-1.96 days, which showed no statistical differences compared with that of control (8.00+/-1.52 days). The neutrophils were prominent in the early phase but soon gave way to the monocytes. The number of CD8+ cells was higher than that of CD4+ cells. IL-2 and IFN-gamma markedly increased at 10 to13 days in cornea, lacrimal glands, and cervical lymph nodes, which showed a decrease with immunosuppressants except in the cornea. In conclusion, cyclosporine and mycophenolate could not prevent the rejection in porcine to rat orthotopic corneal xenograft associated with infiltraton of CD8+ and innate immune cells.
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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Suidae / Transplantation hétérologue / Cytokines / Transplantation de cornée / Interleukine-4 / Interleukine-5 / Interféron gamma / Interleukine-2 / Interleukine-10 / Ciclosporine Limites du sujet: Animaux langue: Anglais Texte intégral: Journal of Korean Medical Science Année: 2008 Type: Article

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Texte intégral: Disponible Indice: WPRIM (Pacifique occidental) Sujet Principal: Suidae / Transplantation hétérologue / Cytokines / Transplantation de cornée / Interleukine-4 / Interleukine-5 / Interféron gamma / Interleukine-2 / Interleukine-10 / Ciclosporine Limites du sujet: Animaux langue: Anglais Texte intégral: Journal of Korean Medical Science Année: 2008 Type: Article