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Hyperhomocysteinaemia, Helicobacter pylori, and coronary heart disease.
  1. J. J. Sung,
  2. J. E. Sanderson
  1. Department of Medicine, Chinese University of Hong Kong, Shatin.

    Abstract

    Hyperhomocysteinaemia and Helicobacter pylori infection have recently been implicated in the pathogenesis of coronary artery disease. These two risk factors, though they seem unrelated, could be linked by a deficiency of vitamins and folate caused by chronic gastritis in H pylori infection. This nutritional defect could lead to failure of methylation by 5-methyl-tetrahydrofolic acid and thus exacerbate the accumulation of homocysteine in susceptible patients. Homocysteine is toxic to endothelial cells and results in coronary artery disease.

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