Homozygous thermolabile methylenetetrahydrofolate reductase in schizophrenia-like psychosis.

Abstract excerpt

The gene for methylenetetrahydrofolate reductase (MTHFR) has shown polymorphism in the general human population. In its homozygous form, a C677T mutation occurs in more than 5% of the grown-up population and produces a thermolabile variant which reduces the overall enzyme activity to less than 30% of normal. We investigated patients with schizophrenia-like psychosis. If hyperhomocysteinemic, their DNA-genotype...

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