Antiobesity effect of Kaempferia parviflora accompanied by inhibition of lipogenesis and stimulation of lipolysis

Background: Obesity occurs when energy intake is excessive compared to energy expenditure, resulting in the excessive storage of triglyceride in adipose tissue.Objective: The present study aimed to investigate the antiobesity effects of Kaempferia parviflora extracts (PF) in high-fat diet (HFD)-induced obese mice and 3T3-L1 adipocytes to demonstrate the lipid mechanisms underlying these effects.Design: Mice were fed with a normal diet (AIN93G normal diet), HFD (60% HFD), Met (HFD containing metformin 250 mg/kg b.w.), PF50 (HFD containing PF 50 mg/kg b.w.), and PF100 (HFD containing PF 100 mg/kg b.w.) for 12 weeks.Results: Body weight gain, adipose tissue weight, adipose tissue mass, and size of adipocytes were significantly decreased by PF supplementation in HFD-fed mice. Moreover, PF supplementation suppressed the adipogen-esis and lipogenesis pathways and activated the lipolysis and thermogenesis pathways in the adipose tissues of HFD-fed mice.Conclusions: PF treatment during the differentiation of 3T3-L1 cells suppressed adipogenesis and lipogenesis and PF treatment after differentiation activated lipolysis and thermogenesis. Thus, we suggest that PF is effec-tive for weight loss by directly affecting the lipid metabolism of adipocytes.

Automated summary

This study aimed to investigate the antiobesity effects of Kaempferia parviflora extracts (PF) in high-fat diet-induced obese mice and 3T3-L1 adipocytes, and to demonstrate the lipid mechanisms underlying these effects. The results showed that PF supplementation significantly reduced body weight gain, adipose tissue weight, adipose tissue mass, and size of adipocytes in HFD-fed mice. Furthermore, PF supplementation suppressed adipogenesis and lipogenesis pathways, while activating lipolysis and thermogenesis pathways in the adipose tissues of HFD-fed mice. Therefore, PF is suggested to be effective for weight loss by directly affecting the lipid metabolism of adipocytes.