PMID: 9557527Apr 29, 1998Paper

The effect of renal transplantation on hyperhomocysteinaemia in dialysis patients, and the estimation of renal homocysteine extraction in patients with normal renal function

The Netherlands Journal of Medicine
C van GuldenerA J Donker

Abstract

The pathophysiology of hyperhomocysteinaemia in chronic renal failure (CRF) is unknown. Possible mechanisms are decreased renal homocysteine (Hcy) catabolism or inhibition of extrarenal Hcy metabolism by uraemic toxins. We studied the short-term effect on plasma Hcy concentration of improvement of renal function after successful kidney transplantation (n = 8), and determined renal Hcy extraction by measurement of total Hcy in arterial and renal venous blood in 7 cardiac patients with normal renal function. Post-transplantation, plasma Hcy decreased with improving renal function. In the cardiac patients, no significant renal Hcy extraction could be demonstrated, but tubular disposal of the filtered load could not be excluded. Because loss of such renal metabolism could lead to hyperhomocysteinaemia in CRF, it is necessary to determine the renal extraction of free Hcy in subjects with normal renal function to further investigate renal homocysteine metabolism.

Citations

Aug 30, 2000·Lancet·C BaigentD Wheeler
Jul 5, 2002·American Journal of Transplantation : Official Journal of the American Society of Transplantation and the American Society of Transplant Surgeons·Iman O HypoliteKevin C Abbott
Mar 12, 2004·Nephrology·Simon K AustenRob G Fassett
Oct 17, 2007·Clinical Chemistry and Laboratory Medicine : CCLM·Marco Righetti
Mar 31, 2004·Pediatric Transplantation·Amir BelsonPeter D Yorgin
Jul 2, 1998·Kidney International·C van GuldenerC D Stehouwer
Feb 15, 2001·Revista do Hospital das Clínicas·D J MachadoL E Ianhez
Apr 29, 2000·Current Opinion in Urology·G Sunder-PlassmannM Födinger

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