eISSN: 2299-0046
ISSN: 1642-395X
Advances in Dermatology and Allergology/Postępy Dermatologii i Alergologii
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SCImago Journal & Country Rank
1/2020
vol. 37
 
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abstract:
Original paper

Paraoxonase-1 and other factors related to oxidative stress in psoriasis

Magdalena Oszukowska
,
Magdalena Kozłowska
,
Andrzej Kaszuba

Adv Dermatol Allergol 2020; XXXVII (1): 92-96
Online publish date: 2020/03/09
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Introduction
Psoriasis is considered as a risk factor for atherosclerosis and contributes to myocardial infarction, ischemic heart disease and brain stroke.

Aim
To estimate the atherogenic potential of psoriasis by analysing antioxidative and prooxidative factors (paraoxonase-1, a-tocopherol, uric acid, homocysteine), compare levels of these parameters between groups of psoriatic patients and healthy individuals as well as to analyse the impact of psoriasis severity and duration on the factors under the study and to define correlation between the marked factors and patients’ lifestyles, body mass index (BMI) and abdominal circumference.

Material and methods
The investigated group consisted of 66 patients with psoriasis vulgaris, while the control group comprised 30 persons. Both groups were comparable as regards their age, sex and BMI as well as abdominal circumference.

Results
A significantly lower activity of paraoxonase-1 (p < 0.001), level of tocopherol (p < 0.05) and significantly higher concentration of homocysteine (p < 0.01), uric acid (p < 0.05) were found in patients with psoriasis as compared to the reference group. A higher homocysteine level occurs in patients with a negative family history of psoriasis (p < 0.05). In the group of patients with psoriasis and metabolic syndrome, the uric acid level was significantly higher (p < 0.05). Concentration of uric acid correlated negatively with the abdominal circumference value (p < 0.001).

Conclusions
Psoriasis promotes arteriosclerosis development by decreasing the levels of antiatherogenic and increasing the levels of proatherogenic agents. Adverse changes in psoriatic patients involve activity of paraoxonase-1, levels of a-tocopherol, uric acid, homocysteine as compared to healthy individuals selected by their age, BMI and abdominal circumference value.

keywords:

psoriasis, paraoxonase-1, a-tocopherol, homocysteine, uric acid

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