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Med Princ Pract ; 17(1): 66-70, 2008.
Artículo en Inglés | MEDLINE | ID: mdl-18059104

RESUMEN

OBJECTIVE: This study was aimed at detecting antibodies to the antigens which may contribute to protection against cytomegalovirus (CMV) infection after organ transplantation. MATERIALS AND METHODS: A total of 203 kidney transplant patients were enrolled in the study. Based on CMV antigenemia assay, 23 patients were antigen-positive and of the remaining 180 antigen-negative patients, 46 were selected as controls matched for age, gender and source of kidney. The 69 kidney recipients (KR) had CMV antibody due to previous infection and were followed up for a period of 6 months after transplantation for the development of active CMV infections by the antigenemia assay. Antibody responses to five CMV-related peptide antigens (pp65, gB, pp150, pp28 and pp38) were investigated by enzyme immunoassay and their presence was correlated with the results of the CMV antigenemia assay. RESULTS: Of the five CMV-related peptide antigens, only gB antigen showed response to the antibody in 10/23 (43.5%) antigen-positive patients and 9/46 antigen-negative patients and the difference was statistically significant (p = 0.048). On the other hand, there was no significant difference in antibody responses between the antigen-positive and antigen-negative KR to the other four CMV peptide antigens (p > 0.05). However, among the antigen-positive KR there was only 1 patient who had antibodies to both pp150 and pp28 antigen, while among the antigen-negative KR, 22 of 46 (47.8%) had the antibodies (p < 0.001). CONCLUSION: The findings suggest that the combined presence of antibodies against the pp150 and pp28 antigens may indicate a lower risk of CMV reactivation after kidney transplantation.


Asunto(s)
Antígenos Virales/sangre , Infecciones por Citomegalovirus/inmunología , Infecciones por Citomegalovirus/prevención & control , Trasplante de Riñón/inmunología , Fosfoproteínas/inmunología , Proteínas de la Matriz Viral/inmunología , Proteínas Virales/inmunología , Adolescente , Adulto , Anciano , Infecciones por Citomegalovirus/etiología , Femenino , Humanos , Trasplante de Riñón/efectos adversos , Masculino , Persona de Mediana Edad
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