Entero-insular axis in children with anorexia nervosa

被引:23
作者
Tomasik, PJ
Sztefko, K
Starzyk, J
Rogatko, W
Szafran, Z
机构
[1] Jagiellonian Univ, Dept Clin Biochem, Univ Childrens Hosp, PL-30663 Krakow, Poland
[2] Jagiellonian Univ, Dept Endocrinol Children & Adolescents, Univ Childrens Hosp, PL-30663 Krakow, Poland
关键词
adolescence; cholecystokinin; glucagon-like peptide 1; gastric inhibitory peptide; insulin; pancreatic polypeptide; glucagon;
D O I
10.1016/j.psyneuen.2004.10.003
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
Entero-insular axis plays an important role in generating satiety signal. Thus disturbances in this axis may influence the course of anorexia nervosa. The aim of the study was analysis of the function of the hormonal part of the entero-insular axis in girls with anorexia nervosa. Thirteen girls with anorexia nervosa and in 10 healthy girls were studied. Each girt was subjected to oral glucose toterance test and standard meat test. Blood was collected before stimulation and within 15, 30, 60, and 120 min thereafter. The concentrations of all peptides were determined by radioimmunoassay commercial kits. Fasted and postprandial levels of these peptides as well as integrated outputs were measured. Fasting insulin concentration was significantly higher in the group of girls with anorexia nervosa than in the control group (p<0.03). What more in girls with anorexia the integrated output of insulin was significantly lower in oral glucose tolerance test than after the meat (p<0.001). Also the integrated output of glucagon in both tests was higher in the group of girls with anorexia than in the control group. The mean output of pancreatic polypeptide and cholecystokinin in anorexia group was significantly higher (p<0.001 in both cases) than that in the control group but only after the test meat. The integrated outputs of gastric inhibitory peptide in both tests were significantly higher in anorectic girls than those in the control group (oral glucose tolerance test, p<0.02; meat test, p<0.001), However, mean values of the integrated output of glucagon-like peptide 1 in both tests were significantly higher in the control group than in the girls with anorexia (p<0.001 in each case). Highly significant correlation was found between glucose concentration and the concentrations of insulin, cholecystokinin, and gastric inhibitory peptide in both tests and for the both groups. In the anorectic girls, significant correlation between insulin concentration and the concentration of gastric inhibitory peptide was found after both stimulation tests and between insulin and cholecystokinin after oral glucose only. Conclusion: the disturbed secretion of the hormones of entero-insular axis after the meat in anorectic girls may have negative influence on the course of anorexia nervosa. This disease has no effect on the incretin function of cholecystokinin, gastric inhibitory peptide and glucagon-Like peptide 1. (C) 2004 Elsevier Ltd. All rights reserved.
引用
收藏
页码:364 / 372
页数:9
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