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Nathan Goodyear

Homocysteine and MTHFR Mutations - 0 views

  • The most common MTHFR mutation is called the MTHFR C677T mutation
  • Another common mutation is called MTHFR A1298C
  • Having only one mutation, ie, being heterozygous, is, from a medical perspective, irrelevant. Even when 2 MTHFR mutations are present (eg, 2 C677T mutations, or one C677T mutation and one A1298C mutation)
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  • Although these mutations do impair the regulation of homocysteine, adequate folate levels essentially “cancel out” this defect.
  • Regardless of whether you have an MTHFR mutation in both genes or not, the treatment for elevated homocysteine is the same—dietary intervention and supplementation with folic acid and vitamins B6 and B12
  • Overall, evidence from these studies indicates that, so long as the homocysteine level is normal, MTHFR mutations do not significantly increase the risk of heart attack or stroke
  • Studies investigating the association of MTHFR mutations and venous blood clots have been inconsistent, with some studies showing a slight association, but most studies have not shown any association
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    Good review of MTHFR and homocysteine.
Nathan Goodyear

MTHFR C677T polymorphism associates with unexplained infertile male factors | SpringerLink - 0 views

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    The title is just as it says. No infertility was noted with MTHFR A1298C.
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