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Effect of a High Dairy Diet on Serum Antibody Titers to Heat Shock Protein 27 in Overweight and Obese Children

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Author(s): Mohammad Safarian | Rahim Vakili | Amirhossein Sahebkar | Mohsen Nematy | Monireh Dahri | Shima Tavallaie | Elham Lotfian | Mona Khorashadizadeh | Gordon Ferns | Majid Ghayour-Mobarhan

Journal: Iranian Journal of Pediatrics
ISSN 2008-2142

Volume: 19;
Issue: 1;
Start page: 41;
Date: 2009;
Original page

Keywords: Dairy | Body Mass Index | Overweight | Obesity | Anti-HSP27 | Calcium

ABSTRACT
Objective: An immune response to heat shock proteins appears to be involved in atherogenesis. To date, there has been no report on the impact of dairy or calcium consumption on serum antibody titers to heat shock protein 27 (anti-HSP27). We have investigated whether an increase in dairy food consumption is capable of affecting serum antibody titers to heat shock protein 27 (anti-HSP27) level in children. Methods: Overweight and obese children (n=99, age: 12-18 y, body mass index: 27-40 kg/m2) were randomized to receive a calorie restricted diet providing a 500 kcal/d deficit from total energy expenditure and two (n=38), three (n=26) or four (n=35) servings of dairy products/day. Serum anti-HSP27 level in addition to the serum hs-CRP and lipid profile were measured at baseline and after 12 weeks. Findings: Serum anti-HSP27 concentrations did not change significantly in any of the mentioned groups. Serum hs-CRP and lipid profile did not change significantly either, apart from a significant increase in HDL-cholesterol in the low-dairy group. Conclusion: An increased intake of dairy products does not lead to a significant change in serum anti-HSP27 level in overweight and obese children.
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