TITLE

Relación entre los polimorfismos de la metilen-tetrahidrofolato-reductasa y los niveles de homocisteína en mujeres con pérdida gestacional recurrente: perspectiva desde la nutrigenética

AUTHOR(S)
Cardona, H.; Cardona-Maya, W.; Gómez, J. G.; Castañeda, S.; Gómez, J. M.; Bedoya, G.; Álvarez, L.; Torres, J. D.; Tobón, L. I.; Cadavid, A.
PUB. DATE
May 2008
SOURCE
Nutricion Hospitalaria;may/jun2008, Vol. 23 Issue 3, p277
SOURCE TYPE
Periodical
DOC. TYPE
Article
ABSTRACT
The objective of this study was to evaluate if there is any difference in the proportion of methylenetetrahydrofolate reductase (MTHFR) C677T polymorphisms and the homocysteine levels in a group of women with recurrent pregnancy loss (RPL) and a control group. Ninety-three patients with diagnosis of three or more gestational losses and 206 healthy women with two or more children, were included. After acceptance of informed consent, samples of peripheral blood were taken to determine the genetic polymorphisms of MTHFR C677T and the plasmatic levels of homocysteine. The carriers of the homozygous mutation TT of MTHFR 677T polymorphism were 12.9% (12 of 93) in the group of patients and 14.6% (30 of 206) in the control group; 46.2% (43 of 93) and 40% (83 of 206) in the group of patients and controls respectively, were heterozygous CT for MTHFR gene. The levels of homocysteine were 7.2 μmol/ml in the group of patients and 7.7 mmol/l in controls. There was no relationship between MTHFR gene polymorphisms and the increase of homocysteine levels, nor of these one with RPL. From the nutrigenetics perspective we suggest that studies related to MTHFR polymorphisms and the risk of disease include the levels of folate and B6 and B12 vitamins participating in the tetrahydrofolate cycle for trying to establish a direct relation among the genotype, the level of metabolite and the clinical manifestations. In this regard, we recommend the administration of folic acid in women in search of pregnancy due to the high frequency of heterozygous and homozygous for MTHFR C677T mutation in our population.
ACCESSION #
32594846

 

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