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The association between pentraxin 3 and insulin resistance in obese children at baseline and after physical activity intervention.

 Sang Hui Chu  ;  Ji-Hye Park  ;  Mi Kyung Lee  ;  Yoonsuk Jekal  ;  Ki Yong Ahn  ;  Jae Youn Chung  ;  Dong Hoon Lee  ;  Eun Sung Kim  ;  Masayo Naruse  ;  Jee-Aee Im  ;  Deok Kong  ;  Choon Hee Chung  ;  Ji Won Lee  ;  Kyong-Mee Chung  ;  Young-Bum Kim  ;  Justin Y. Jeon 
 Clinica Chimica Acta, Vol.413(19-20) : 1430-1437, 2012 
Journal Title
 Clinica Chimica Acta 
Issue Date
Analysis of Variance ; Blood Glucose/analysis ; Body Mass Index ; C-Reactive Protein/metabolism* ; Child ; Eating ; Exercise* ; Fasting ; Female ; Humans ; Insulin/blood ; Insulin Resistance* ; Male ; Obesity/blood* ; Serum Amyloid P-Component/metabolism*
Obesity ; HOMA-IR ; PTX3 ; Physical activity ; Exercise
BACKGROUND: The role of pentraxin-3 (PTX3) in the development of insulin resistance is still not clear. We aimed to test 1) whether circulating PTX3 levels are associated with insulin resistance and 2) whether changes in PTX3 levels after the physical activity are associated with changes in insulin resistance. METHODS: Fifty-seven overweight or obese children (39 boys, 18 girls; age: 12.04±0.82y, BMI: 26.5±1.2 kg/m²) participated in the study. All participants were housed together and their amount of physical activity (1823.5±1.34 kcal/day) and food intake (1882±68.8 kcal/day) were tightly controlled. RESULTS: Circulating PTX3 levels at baseline were negatively associated with fasting insulin (r=-.336, p=0.012) and homeostasis model assessment of insulin resistance (HOMA-IR) (r=-.334, p=0.014) even after adjustment for BMI and Tanner stage. The degree of change in PTX3 levels notably associated with changes in fasting insulin (r=-.280, p=0.035) and HOMA-IR (r=-.281, p=.034) in response to the physical activity intervention. Subgroup analysis further indicates that HOMA-IR was improved more in subjects whose PTX3 levels were increased compared with subjects who PTX3 levels were decreased (HOMA-IR delta: -2.33±1.3 vs -1.46±0.70, p=0.004). CONCLUSION: PTX3 is negatively associated with insulin resistance and associated with changes in insulin resistance induced by physical activity in overweight and obese children.
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1. College of Medicine (의과대학) > Dept. of Family Medicine (가정의학교실) > 1. Journal Papers
3. College of Nursing (간호대학) > Dept. of Nursing (간호학과) > 1. Journal Papers
Yonsei Authors
Lee, Ji Won(이지원) ORCID logo https://orcid.org/0000-0002-2666-4249
Chu, Sang Hui(추상희) ORCID logo https://orcid.org/0000-0001-6877-5599
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