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Is paraoxonase genetic polymorphism related to myocardial infarction in Croatian population? (CROSBI ID 479286)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa | domaća recenzija

Ivanišević, Ana-Maria ; Topić, Elizabeta ; Štefanović, Mario ; Nikolić, Vjeran ; Čubrilo-Turek, Mirjana ; Juretić, Dubravka ; Rekić, Branka Is paraoxonase genetic polymorphism related to myocardial infarction in Croatian population? // Kongres hrvatskih biokemičara i molekularnih biologa uz međunarodno sudjelovanje, HB2000, Program i knjiga sažetaka / Floegel, Mirna (ur.). Zagreb: Farmaceutsko-biokemijski fakultet Sveučilišta u Zagrebu, 2000. str. 86-86-x

Podaci o odgovornosti

Ivanišević, Ana-Maria ; Topić, Elizabeta ; Štefanović, Mario ; Nikolić, Vjeran ; Čubrilo-Turek, Mirjana ; Juretić, Dubravka ; Rekić, Branka

engleski

Is paraoxonase genetic polymorphism related to myocardial infarction in Croatian population?

Gene coding paraoxonase (PON1), a HDL associated enzyme, has been mapped to human chromosome 7 and is codominantly expressed as alleles A and G. The A allele codes for the aminoacid glutamine at codone 192 (A genotype) and the G allele for arginine (B genotype). This genetic polymorphism has been suggested to contribute to the development of atherosclerosis and coronary heart disease. However, data in the literature on the association of the A and B genotypes, coronary atherosclerosis and the occurrence of myocardial infarction is still controversial. We have therefore performed a study to evaluate the relationship between the PON1 polymorphism and the risk of myocardial infarction. PON1 genotypes were determined in 200 patients suffering from acute myocardial infarction (AMI) and in 200 randomly selected healthy volunteers, using the PCR-RFLP method by AlwI restriction enzyme digestion. Paraoxonase activity was assayed for AMI patients spectrophotomoetrically by the slightly modified method previously described by Mackness. A and B allelic frequencies were 71 for A and 29 for B allele both for patients and controls. Genotype frequencies differed significantly between patients and controls (P=0.008), with BB genotype being more common in patients. BB genotype was also more common in youger patients and in the low-risk group defined as non smokers having serum cholesterol <5.2mmol/L and Lp(a) concentrations <20mg/dL; the difference has not reached a statistical significance. Enzymatic activities differed significantly (P=0.004) between the patient group and previously measured activities for a control group (n=146). Our findings suggest that the paraoxonase BB genotype may represent an independent genetic risk factor for myocardial infarction.

paraoxonase; genetic polymorphism; myocardial infarction

nije evidentirano

nije evidentirano

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nije evidentirano

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Podaci o prilogu

86-86-x.

2000.

objavljeno

Podaci o matičnoj publikaciji

Kongres hrvatskih biokemičara i molekularnih biologa uz međunarodno sudjelovanje, HB2000, Program i knjiga sažetaka

Floegel, Mirna

Zagreb: Farmaceutsko-biokemijski fakultet Sveučilišta u Zagrebu

Podaci o skupu

KONGRES HRVATSKIH BIOKEMIČARA I MOLEKULARNIH BIOLOGA

poster

13.10.2000-15.10.2000

Zagreb, Hrvatska

Povezanost rada

Temeljne medicinske znanosti