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Titel: Homocysteine and cognitive function in very elderly nondemented subjects.
Datum: 28-06-11
Zusammenfassung:

OBJECTIVES

To examine the association of homocysteine with cognitive functioning in very elderly community-dwelling individuals (80 years or older).

METHODS

Two hundred twenty-eight nondemented community-dwelling individuals were assessed with a broad neuropsychological battery. Bloods were drawn to measure homocysteine, serum vitamin B12, and folate levels and APOE genotype.

RESULTS

Higher homocysteine levels were associated with poorer executive-language functioning scores (r = -0.311). The association persisted when serum B12 and folate levels were controlled for (r = -0.308). Homocysteine levels were not associated with memory score (r = 0.120).

CONCLUSIONS

In very elderly, nondemented community dwellers, high homocysteine levels are associated with poorer executive-language functioning but not with memory. This possible differential effect of homocysteine on cognitive functions suggests that it may affect only specific brain regions or mechanisms underlying healthy executive functioning.

Autoren: West Rebecca K, Beeri Michal Schnaider, Schmeidler James, Mitchell Dara B, Carlisle Katherine R, Angelo Gary, Mavris Rizalina, Langhoff Erik, Rosendorff Clive, Silverman Jeremy M
Publikation: The American journal of geriatric psychiatry : official journal of the American Association for Geriatric Psychiatry 2011 Jul;19(7):673-7
Links zum Volltext:
Elsevier Science
Clinical Key
Europe PubMed Central
Ovid Technologies, Inc.
PubMed Central
PubMed Central Canada
COS Scholar Universe
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