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2011•Nature PrecedingsOpen access

Paraoxonase 1 Polymorphism p.Q192R in Patients With Dementia

Tomasz Krzywkowski

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Abstract

Abstract PON1 PCR-RFLP polymorphism frequency and enzyme activity were determined in 223 patients with dementia (94 with AD, 55 with VaD and 74 with MD) and in 100 age and sex matched controls without dementia. I found no statistical significance of genotype frequencies between analyzed groups.Paraoxonase 1 activity was lower in patients carrying the R allele in locus 192 as compared with the R allele non-carriers. The results showed statistically significant association between PON1 polymorphism and enzyme activity and thus can suggest an important relationship between different isoforms of PON1, enzyme activity and dementia.

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Abstract PON1 PCR-RFLP polymorphism frequency and enzyme activity were determined in 223 patients with dementia (94 with AD, 55 with VaD and 74 with MD) and in 100 age and sex matched controls without dementia. I found no statistical significance of genotype frequencies between analyzed groups.Paraoxonase 1 activity was lower in patients carrying the R allele in locus 192 as compared with the R allele non-carriers. The results showed statistically significant association between PON1 polymorphism and enzyme activity and thus can suggest an important relationship between different isoforms of PON1, enzyme activity and dementia.

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Available abstract

Abstract PON1 PCR-RFLP polymorphism frequency and enzyme activity were determined in 223 patients with dementia (94 with AD, 55 with VaD and 74 with MD) and in 100 age and sex matched controls without dementia. I found no statistical significance of genotype frequencies between analyzed groups.Paraoxonase 1 activity was lower in patients carrying the R allele in locus 192 as compared with the R allele non-carriers. The results showed statistically significant association between PON1 polymorphism and enzyme activity and thus can suggest an important relationship between different isoforms of PON1, enzyme activity and dementia.

Key concepts: PON1, Paraoxonase, Genotype, Allele, Dementia, Locus (genetics), Internal medicine, Polymorphism (computer science)

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