Zhong nan da xue xue bao. Yi xue ban = Journal of Central South University. Medical sciences · 2006
[Peritoneal fluid leptin concentration and endocrine hormone in patients with polycystic ovarian syndrome].
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Xiao Song-shu, Xue Min, Deng Xin-liang, Wan Ya-jun
Аннотация
OBJECTIVE: To determine whether the infertile patients with polycystic ovarian syndrome (PCOS) is related to dysregulation of peritoneal fluid and serum leptin concentration, and to investigate the relationship between the leptin and some endocrine hormones in PCOS.
METHODS: Twenty subjects with PCOS and 20 control women were included in the study. Peritoneal fluid and serum concentration of leptin, insulin, insulin-antibody, testosterone (T), estrogen (E(2)), and progestogen (P) were measured by radioimmunoassay (RIA).
RESULTS: Peritoneal fluid concentrations of leptin, insulin, T and insulin-antibody in PCOS patients were significantly higher than those of the control group (P<0.05). There was no statistically significant difference in peritoneal fluid E(2) and P between PCOS and the control group (P>0.05). The serum concentrations of leptin and T in PCOS were significantly higher than those of the control group (P<0.05), but the levels of insulin, E(2), P and insulin-antibody were not significantly different between the 2 groups (P>0.05). With the BMI> or =23 kg/m(2) subgroup in PCOS patients, the peritoneal fluid and serum concentrations of leptin, insulin and T were significantly higher than those of BMI 23 kg/m(2) subgroup (P<0.01). There was no significant difference in E(2)and insulin-antibody between the 2 subgroups (P>0.05). Pearson correlation analysis indicated that peritoneal fluid and serum leptin levels were positively correlated with BMI, insulin, T and insulin-antibody, but negatively correlated with E(2), with no significant correlation with P. Multiple stepwise regression analysis indicated that the factors that influenced the peritoneal fluid and serum leptin levels were BMI, insulin, T and E(2) ordinally.
CONCLUSION: Peritoneal fluid and serum leptin concentration and insulin,T, Ins-antibody level are abnormal in PCOS patients. Leptin may play an important role in the pathogenesis of PCOS. BMI is the main factor to correlate with leptin.
METHODS: Twenty subjects with PCOS and 20 control women were included in the study. Peritoneal fluid and serum concentration of leptin, insulin, insulin-antibody, testosterone (T), estrogen (E(2)), and progestogen (P) were measured by radioimmunoassay (RIA).
RESULTS: Peritoneal fluid concentrations of leptin, insulin, T and insulin-antibody in PCOS patients were significantly higher than those of the control group (P<0.05). There was no statistically significant difference in peritoneal fluid E(2) and P between PCOS and the control group (P>0.05). The serum concentrations of leptin and T in PCOS were significantly higher than those of the control group (P<0.05), but the levels of insulin, E(2), P and insulin-antibody were not significantly different between the 2 groups (P>0.05). With the BMI> or =23 kg/m(2) subgroup in PCOS patients, the peritoneal fluid and serum concentrations of leptin, insulin and T were significantly higher than those of BMI 23 kg/m(2) subgroup (P<0.01). There was no significant difference in E(2)and insulin-antibody between the 2 subgroups (P>0.05). Pearson correlation analysis indicated that peritoneal fluid and serum leptin levels were positively correlated with BMI, insulin, T and insulin-antibody, but negatively correlated with E(2), with no significant correlation with P. Multiple stepwise regression analysis indicated that the factors that influenced the peritoneal fluid and serum leptin levels were BMI, insulin, T and E(2) ordinally.
CONCLUSION: Peritoneal fluid and serum leptin concentration and insulin,T, Ins-antibody level are abnormal in PCOS patients. Leptin may play an important role in the pathogenesis of PCOS. BMI is the main factor to correlate with leptin.