The fat accumulation area is important in relation to the onset of MtS [30] because released FFA from abdominal adipocytes are directly transported to the liver via the hepatic portal vein, resulting in a decrease in insulin clearance and an increase in the synthesis of triglycerides and very low density lipoprotein GSK2118436 mouse [31]. Therefore, the movement and

accumulation effect of lipids by E2 are important for a proper understanding of the lipid metabolic process. The effects of E2 on lipolysis are different between subcutaneous adipocytes and abdominal adipocytes. For example, E2 treatment decreased the level of lipolysis in the adipocytes, which mediated an increased number of α2A–adrenergic receptors, whereas E2 treatment did not show any effect on the lipolysis

of the abdominal adipocytes [32]. In addition, abdominal adipocytes showed a low level of α-adrenoreceptors and a high level of β-adrenoreceptors when compared to the level of β-adrenoreceptors in subcutaneous adipocytes [33]. These differences in the ratio with regard to the adrenoreceptor type may help to explain differences in gender-dependent spatial fat accumulation. In the present study, the positive relationship between the concentrations of E2 and FFA may have been due to the fasting times and the lowered E2 levels of the postmenopausal women in the present study design. Because blood samples were collected after 8 h of overnight fasting, the migration effect of FFA by lipoprotein lipase from the circulatory system to the adipocytes can be ignored. However, it was possible to infer that genome independent lipolysis by E2 could Gemcitabine supplier stimulate HSL and inositol triphosphate activities. Even though it is well known that Rg3 acts as the ligand of ERs and Rg3 was a high ratio of ginsenosides in this study, the effect of E2 on FFA did not show a significant difference between the groups. Djurhuus et al [34] reported that when a physiologically high level of cortisol was injected into

the adipose tissue, the level of blood FFA increased by 60%, as mediated by lipolysis stimulation. In the final model here, the path coefficient value of cortisol on FFA was positive (p = 0.002) in the placebo group, whereas the path coefficient value was negative (p = 0.082) in the FRG group. Therefore, it may Linifanib (ABT-869) be presumed that CK consumption acts as a competitive inhibitor with cortisol of the GR in this study. In a postprandial state, insulin is released and suppresses the functions of HSL and lipolysis in adipocytes. In a fasting state, however, the level of insulin decreases, and the levels of cortisol and growth hormone increase, which in turn stimulates the expression of HSL [35]. The proper expression of HSL is important in the regulation of blood glucose. HSL-deficient mice cannot release a proper level of FFA and thus enter into an insulin-resistant state [36]. However, in the present study, the growth hormone and FFA showed a significant negative relationship.