Diaz-Arrastia Ramon, et al.
Archives of neurology, 2000
Abstract
Over the last 10 years, there has been an explosion of interest in homocysteine, a sulfur-containing amino acid that occupies a central location in the metabolic pathways of thiol compounds. This interest is primarily because of the realization that hyperhomocysteinemia is an important risk factor for vascular disease, including stroke, independent of long-recognized factors such as hyperlipidemia, hypertension, diabetes mellitus, and smoking. Since elevated homocysteine levels can often be normalized by supplementing the diet with folic acid (folate), pyridoxine hydrochloride (vitamin B(6)), and cyanocobalamin (vitamin B(12)), these observations raise the exciting possibility that this inexpensive and well-tolerated therapy may be effective in decreasing the incidence of vascular disease. In addition to its association with cerebrovascular disease, homocysteine may play a role in neurodegenerative disorders, even if only as a marker of functional vitamin B(12) deficiency. Homocysteine is also important to neurologists since most anticonvulsants raise homocysteine levels, an effect that may explain the teratogenic effects of these drugs. Practical knowledge concerning some details of homocysteine metabolism, the diagnosis of hyperhomocysteinemia, and the use of polyvitamin therapy to lower homocysteine levels will be increasingly important in the treatment of patients with neurologic disease. Arch Neurol. 2000;57:1422-1428
| PMID: | 11030793 |
|---|---|
| DOI: | 10.1001/archneur.57.10.1422 |
| Category: | Amino Acids |
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