Leptin and peroxisome proliferator-activated receptor γ expression in colorectal adenoma.

World Journal of Gastroenterology : WJG
Hyung Hun KimJeong Seop Moon

Abstract

To investigate the expressions of leptin and peroxisome proliferator-activated receptor γ (PPARG) in relation to body mass index (BMI). We evaluated leptin and PPARG expression in 30 adenomas over 1 cm in size by immunohistochemical staining. In addition, clinicopathologic features including BMI were assessed. PPARG and leptin expression showed a strong positive correlation (P = 0.035). The average BMI of the leptin-positive group was higher than that of the leptin-negative group (25.4 ± 3.4 kg/m(2)vs 22.6 ± 2.4 kg/m(2), P = 0.018), and leptin expression was significantly correlated with high BMI (P = 0.024). Leptin expression was more frequently observed in intermediate/high grade dysplasia than in low grade dysplasia (P = 0.030). However, PPARG expression was not correlated with BMI and grade of dysplasia. BMI has influenced on the leptin expression of colorectal adenoma. The exact mechanism underlies the strong correlation between leptin and PPARG expression needs further study.

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Citations

Apr 9, 2013·Indian Journal of Endocrinology and Metabolism·Deep DuttaSubhankar Chowdhury
Jun 21, 2014·Expert Opinion on Therapeutic Targets·Weiqiang ZhouChengyu Luo

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