Acta neurologica Scandinavica · 2001
Genetic polymorphisms in older subjects with vascular or Alzheimer's dementia.
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Zuliani G, Ble' A, Zanca R, Munari M R, Zurlo A, Vavalle C, Atti A R, Fellin R
Аннотация
OBJECTIVES: Paraoxonase, angiotensin-converting enzyme (ACE), methylenetetrahydrofolate reductase (MTHFR), and apo E gene polymorphisms were evaluated in older patients with vascular dementia (VD) or late-onset Alzheimer's disease (LOAD).
MATERIAL AND METHODS: Sixty patients with VD, 45 patients with LOAD, and 54 non-demented controls were compared.
RESULTS: No differences in the distribution of paraoxonase, ACE, and MTHFR polymorphisms were found. The overall frequency of apo E epsilon4 allele was "low"; epsilon4 allele was more frequent in LOAD (17.5%) and VD (13.3%) compared with controls (9.2%), but the difference was not statistically significant.
CONCLUSION: Paraoxonase, ACE, and MTHFR polymorphisms were not associated with VD or LOAD; these common polymorphisms might have a marginal role in the pathogenesis of dementia in older subjects. In spite of a "low" frequency of the apo E epsilon4 allele in our sample, the frequency of epsilon4 allele was about double in LOAD compared with controls.
MATERIAL AND METHODS: Sixty patients with VD, 45 patients with LOAD, and 54 non-demented controls were compared.
RESULTS: No differences in the distribution of paraoxonase, ACE, and MTHFR polymorphisms were found. The overall frequency of apo E epsilon4 allele was "low"; epsilon4 allele was more frequent in LOAD (17.5%) and VD (13.3%) compared with controls (9.2%), but the difference was not statistically significant.
CONCLUSION: Paraoxonase, ACE, and MTHFR polymorphisms were not associated with VD or LOAD; these common polymorphisms might have a marginal role in the pathogenesis of dementia in older subjects. In spite of a "low" frequency of the apo E epsilon4 allele in our sample, the frequency of epsilon4 allele was about double in LOAD compared with controls.