期刊
CLINICAL MICROBIOLOGY AND INFECTION
卷 14, 期 3, 页码 228-234出版社
BLACKWELL PUBLISHING
DOI: 10.1111/j.1469-0691.2007.01902.x
关键词
allogeneic stem cell transplantation; DC-SIGN; human cytomegalovirus; promoter variations; reactivation; Toll-like receptor
Promoter variations in Toll-like receptor genes (n = 7) and genes encoding pathogen recognition and virus entry receptors (n = 7) were screened to detect any association with human cytomegalovirus (hCMV) reactivation and disease in patients following allogeneic stem-cell transplantation. Two single nucleotide polymorphisms (rs735240, G > A; rs2287886, C > T) in the promoter region of the dendritic cell-specific ICAM3-grabbing non-integrin (DC-SIGN) showed a significant association with an increased risk of development of hCMV reactivation and disease. Furthermore, these genetic markers influenced the expression levels of DC-SIGN on immature dendritic cells, as well as the infection efficiency of immature dendritic cells by hCMV, as determined by hCMV immediate-early antigen staining. Screening of patients following allogeneic stem-cell transplantation for the presence of these defined genetic polymorphisms might help to predict the individual risk of hCMV reactivation and disease.
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