Methylenetetrahydrofolate Reductase Gene C677T Polymorphism, Plasma Homocysteine and Folate in End-Stage Renal Disease Dialysis and Non-Dialysis Patients

Autor: Marcin Zychma, Ewa Zukowska-Szczechowska, Władysław Grzeszczak, Janusz Gumprecht
Rok vydání: 2002
Předmět:
Zdroj: Nephron. 92:235-239
ISSN: 2235-3186
1660-8151
DOI: 10.1159/000064458
Popis: Background: It has been recently suggested that the presence of the methylenetetrahydrofolate reductase gene 677TT genotype is associated with younger age at initiation of dialysis, thus raising a hypothesis that younger renal patients carrying the TT genotype are at higher risk to develop end-stage renal disease. The aim of this study was to test the association between the C677T polymorphism and the presence of end-stage renal disease using a family-based study design. Material and Method: C677T polymorphism was genotyped in a group of 247 family trios (offspring affected with end-stage renal disease, dialysed or conservatively treated, and both parents). Transmission/disequilibrium test (TDT) was used to evaluate allele transmission from heterozygous parents to affected offspring. Results: The TDT analysis revealed no significant deviation in the transmission of the MTHFR C677T alleles to CRF patients (51 vs. 49% for the C allele and T allele transmission, respectively). We observed a significant relationship between MTHFR genotypes and total plasma homocysteine (tHcy), as well as folate concentration. Also, plasma tHcy and folate were negatively correlated. Conclusion: Our results did not show any association between the MTHFR reductase C677T polymorphism and the increased risk of the development of end-stage renal disease. Whether this polymorphism contributes to the faster rate of decline of renal function in renal patients, must be evaluated further.
Databáze: OpenAIRE