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Observational studies suggest that high homocysteine levels are a risk factor for brain atrophy and Alzheimer disease, but intervention studies have been inconclusive. New evidence that B
vitamin therapy can slow brain atrophy will allow re-examination of elevated homocysteine levels as a potentially treatable risk factor for this disease. Access through your institution Buy
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which are calculated during checkout ADDITIONAL ACCESS OPTIONS: * Log in * Learn about institutional subscriptions * Read our FAQs * Contact customer support REFERENCES * Faraci, F. M. &
Lentz, S. R. Hyperhomocysteinemia, oxidative stress, and cerebral vascular dysfunction. _Stroke_ 35, 345–347 (2004). Article PubMed Central Google Scholar * Kruman, I. I. _ et al_.
Homocysteine elicits a DNA damage response in neurons that promotes apoptosis and hypersensitivity to excitotoxicity. _J. Neurosci._ 20, 6920–6926 (2000). Article CAS PubMed Central
Google Scholar * Smith, A. D. _ et al_. Homocysteine-lowering by B vitamins slows the rate of accelerated brain atrophy in mild cognitive impairment: a randomized controlled trial. _PLoS
ONE_ 5, e12244 (2010). Article PubMed Central Google Scholar * Malouf, R. & Grimley Evans, J. Folic acid with or without vitamin B12 for the prevention and treatment of healthy
elderly and demented people. _Cochrane Database of Systematic Reviews_, Issue 4. Art. No.: CD004514. doi: 10.1002/14651858.CD004514.pub2 (2008). * Dangour, A. D. _ et al_. B-vitamins and
fatty acids in the prevention and treatment of Alzheimer's disease and dementia: a systematic review. _J. Alzheimers Dis._ 22, 205–224 (2010). Article CAS PubMed Central Google
Scholar * Vogel, T., Dali-Youcef, N., Kaltenbach, G. & Andrès, E. Homocysteine, vitamin B12, folate and cognitive functions: a systematic and critical review of the literature. _Int. J.
Clin. Pract._ 63, 1061–1067 (2009). Article CAS PubMed Central Google Scholar * Sachdev, P. S., Valenzuela, M., Wang, X. L., Looi, J. C. & Brodaty, H. Relationship between plasma
homocysteine levels and brain atrophy in healthy elderly individuals. _Neurology_ 58, 1539–1541 (2002). Article CAS PubMed Central Google Scholar * Willette, A. A. _ et al_.
Homocysteine, neural atrophy, and the effect of caloric restriction in rhesus monkeys. _Neurobiol. Aging_ doi: 10.1016/j.neurobiolaging.2010.06.003. Article CAS PubMed Central Google
Scholar * Seshadri, S. _ et al_. Plasma homocysteine as a risk factor for dementia and Alzheimer's disease. _N. Engl. J. Med._ 346, 476–483 (2002). Article CAS PubMed Central Google
Scholar * Sachdev, P. S. Dementia prevention: the discordance between observational and intervention studies and the search for more evidence. _Early Interv. Psychiatry_ 3, 80–82 (2009).
Article PubMed Central Google Scholar Download references AUTHOR INFORMATION AUTHORS AND AFFILIATIONS * Brain and Ageing Research Program, School of Psychiatry, University of New South
Wales, Neuropsychiatric Institute, Euroa Centre, Prince of Wales Hospital, Barker Street, Randwick, NSW 2031, Sydney, Australia Perminder S. Sachdev Authors * Perminder S. Sachdev View
author publications You can also search for this author inPubMed Google Scholar ETHICS DECLARATIONS COMPETING INTERESTS The author declares no competing financial interests. RIGHTS AND
PERMISSIONS Reprints and permissions ABOUT THIS ARTICLE CITE THIS ARTICLE Sachdev, P. Homocysteine and Alzheimer disease: an intervention study. _Nat Rev Neurol_ 7, 9–10 (2011).
https://doi.org/10.1038/nrneurol.2010.195 Download citation * Published: 10 January 2011 * Issue Date: January 2011 * DOI: https://doi.org/10.1038/nrneurol.2010.195 SHARE THIS ARTICLE Anyone
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