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Plasma level of myeloperoxidase in children with juvenile idiopathic arthritis (a pilot study)

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Pruunsild C., Heilman K., Zilmer K., Uibo K., Liivamägi H., Talvik T., Zilmer M., Tillmann V.
Open Medicine
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2010
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vol. 5
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issue 1
36-40
EN
To examine the plasma levels of MPO in oligoarthritis and polyarthritis subtypes of JIA in comparison with healthy age-matched controls. Thirty-eight JIA patients (25 girls and 13 boys) aged 9.1–11.8 years and 23 healthy controls (8 girls and 15 boys) participated in the study. Twenty-one patients had oligoarthritis (8 with extended oligoarthritis) and 17 had polyarthritis (among them three were seropositive). The plasma concentration of MPO was measured by the ELISA technique (OxisResearchTM, BIOXYTECH® MPO-EIATM, Portland, OR USA). The mean plasma concentration of MPO in the JIA group was significantly higher than in the control group (76.6±24.8 µg/L versus 62.7±15.6 µg/L; p=0.01). Patients with polyarthritis presented a significantly higher mean plasma MPO level than patients with oligoarthritis (81.3±25.6 µg/L and 62.1±27.1 µg/L, respectively; p=0.02). Different subtypes of JIA may have different MPO-related backgrounds. MPO is a new potent inflammatory marker. Patients with polyarthritis have higher mean plasma MPO levels than patients with oligoarthritis and may therefore have an enhanced risk for subclinical oxidative stress-related atherogenic promotion.
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Successful management of mild atopic dermatitis in adults with probiotics and emollients

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Kaur S., Kullisaar T., Mikelsaar M., Eisen M., Rehema A., Vihalemm T., Zilmer K., Zilmer M.
Open Medicine
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2008
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vol. 3
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issue 2
215-220
EN
Atopic dermatitis is characterized by impaired skin and mucous membrane barrier function. Measures improving barrier integrity decrease the influence of environmental factors that might exacerbate inflammation. Ten adult patients with mild-to-moderate atopic dermatitis consumed for three months fermented with potent antioxidative probiotic, L. fermentum ME-3 (DSM 14241) goat milk 200 mg/day. A control group consisted of six patients, not supplemented by probiotic. All patients used emollients regularly. Skin iron levels, glutathione redox ratios (GSSG/GSH), diene conjugate (DC) amounts, blood glutathione status, oxidized low-density lipoprotein (oxLDL), and total antioxidativity was measured at the baseline and after three months. A significant decrease in skin iron levels, DC amounts, and glutathione redox ratio occurred in the probiotic-supplemented group compared to the control group (P < 0.05 for all indices). In the same group, blood levels of oxLDL decreased (p < 0.05), and GSH levels increased (P < 0.001) with concomitant improvement in the GSSG/GSH ratio. Blood antioxidativity markers also showed an improvement. The results of our study demonstrate that regular use of probiotics with antioxidative properties coupled with the use of lipid-containing emollients considerably decreases inflammation and concomitant oxidative stress in adult patients with mild-to-moderate atopic dermatitis. This effect was observed both in the skin and in the blood.
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