hTERT, BICD1 and chromosome 18 polymorphisms associated with telomere length affect kidney allograft function after transplantation

Kidney & Blood Pressure Research
Karolina KłodaKazimierz Ciechanowski

Abstract

It has been confirmed that telomere length (TL) correlates with chronological donor age and that telomere shortening is accelerated in allografts. The aim of this study was to analyse the associations between graft rs2735940 hTERT and rs2630578 BICD1 gene polymorphisms and rs7235755/rs2162440 chromosome 18 polymorphisms, relative TL and kidney function after transplantation. The study enrolled 119 Polish Caucasian kidney allograft recipients (64M/55F, mean age 47.3±14.0 years). The relative TL was assessed in biopsy specimens. To identify genotypes of the studied polymorphisms, real-time PCR was performed. The graft rs2735940 hTERT gene polymorphism TT genotype was associated with a significantly lower risk of delayed graft function (DGF) (TT vs. TC+CC; OR=0, p=0.009) and significantly shorter TL in the '0' biopsy (TT vs. CC: 207±153 vs. 400±161, p=0.036). The graft rs2630578 BICD1 gene polymorphism CC genotype was associated with lower creatinine concentrations in the first month (CC vs. GC: 1.11±0.06 vs. 2.0±1.25 mg/dL, p=0.03). The AA genotype of the graft rs7235755 chromosome 18 polymorphism was associated with longer relative TL in specimens collected 12 to 60 months after transplantation (AA vs. GG+GA p=0.04; AA vs. GG: 4...Continue Reading

Citations

Jan 12, 2017·Medical Science Monitor : International Medical Journal of Experimental and Clinical Research·Karolina KłodaArtur Mierzecki
Apr 15, 2017·Medical Science Monitor : International Medical Journal of Experimental and Clinical Research·Karolina KłodaKazimierz Ciechanowski

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