The Aquaporin3 Promoter Polymorphism -1431 A/G is Associated with Acute Graft Rejection and Cytomegalovirus Infection in Kidney Recipients Due to Altered Immune Cell Migration.

Cells
Katharina RumpLars Bergmann

Abstract

Major complications after kidney transplantation are graft rejection and cytomegalovirus (CMV) infection, which are related to T-cell function, which depends on aquaporin3 (AQP3) expression. The impact of the AQP3 A(-1431)G promoter polymorphism in kidney transplant recipients was unelucidated and we explored the effect of AQP3 polymorphism on immune cell function and its association with graft rejection and CMV infection in 237 adult patients within 12 months after transplantation. AQP3 promoter polymorphism was molecular and functional characterized. Kaplan-Meier plots evaluated the relationship between genotypes and the incidence of CMV infection and graft rejection. AQP3 A(-1431)G A-allele was associated with enhanced immune cell migration and AQP3 expression in T-cells. The incidences of rejection were 45.4% for the A-allele and 27.1% for G-allele carriers (p = 0.005) and the A-allele was a strong risk factor (hazard ratio (HR): 1.95; 95%CI: 1.216 to 3.127; p = 0.006). The incidences for CMV infection were 21% for A-allele and 35% for G-allele carriers (p = 0.013) and G-allele was an independent risk factor (p = 0.023), with a doubled risk for CMV infection (HR: 1.9; 95%CI: 1.154 to 3.128; p = 0.012). Hence, A-allele confe...Continue Reading

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Methods Mentioned

BETA
electrophoretic mobility shift
transfection
Assay
antisense oligonucleotides
electrophoresis
biopsy
PCR
genotyping
ELISA

Software Mentioned

Genomatix
GraphPad Prism
SPSS

Related Concepts

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