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AIM: To explore the role of ghrelin in gallstone disease. METHODS: We carried out a cross-sectional study in 150 subjects, 38 with gallstones (cases) and 112 controls. We also did a real-time PCR-RT study in twenty gallbladder samples each. Body mass index (BMI), serum insulin, ghrelin, and serum lipids were measured. Logistic regression analyses (univariate and multivariate) were conducted to estimate the probability of gallstone disease associated with serum ghrelin concentrations. RESULTS: Cases were statistically different from controls in gender distribution (P = 0.01), age (53 vs 44 yr, P = 0.002), BMI (28 vs 25; P = 0.004), and glucose (5.26 vs 4.98 mmol/L; P = 0.05). The prevalence of ghrelin serum levels above the third tercile was lower in subjects without metabolic syndrome (P < 0.05). In a multivariate model, we found a protective effect, when ghrelin values were higher than the median value (OR = 0.27, 95%CI 0.09-0.82, P = 0.02). Twenty (20%) gallbladder specimens expressed ghrelin mRNA. CONCLUSION: Serum ghrelin concentrations are associated with a protective effect of GD.
AIM: To explore the role of ghrelin in gallstone disease. METHODS: We carried out a cross-sectional study in 150 subjects, 38 with gallstones (cases) and 112 controls. We also did a real-time PCR-RT study in twenty gallbladder Samples each. Body mass index (BMI), serum insulin, ghrelin, and serum lipids were measured. Logistic regression analyzes (univariate and multivariate) were conducted to estimate the probability of gallstone disease associated with serum ghrelin concentrations. From controls in gender distribution (P = 0.01), age (53 vs 44 yr, P = 0.002), BMI (28 vs 25; P = 0.004), and glucose (5.26 vs 4.98 mmol / L; prevalence of ghrelin serum levels above the third tercile was lower in subjects without metabolic syndrome (P <0.05). In a multivariate model, we found a protective effect, when ghrelin values were higher than the median value (OR = 0.27, 95% CI 0.09-0.82, P = 0.02) Twenty (20%) gallbladder specimens expresse d ghrelin mRNA. CONCLUSION: Serum ghrelin concentrations are associated with a protective effect of GD.