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Letter

Nature Genetics 10, 111–113 (1 May 1995) | doi:10.1038/ng0595-111

A candidate genetic risk factor for vascular disease: a common mutation in methylenetetrahydrofolate reductase

P. Frosst , H.J. Blom , R. Milos , P. Goyette , C.A. Sheppard , R.G. Matthews , G.J.H. Boers , M. den Heijer , L.A.J. Kluijtmans , L.P. van den Heuve & R. Rozen

Hyperhomocysteinaemia has been identified as a risk factor for cerebrovascular, peripheral vascular and coronary heart disease1–4. Elevated levels of plasma homocysteine can result from genetic or nutrient-related disturbances in the trans-sulphuration or re-methylation pathways for homocysteine metabolism1,5–7.