Journal of the Korean Society of Food Science and Nutrition (한국식품영양과학회지)

The Korean Society of Food Science and Nutrition (한국식품영양과학회)
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The Effects of Sinetrol-XPur on Lipolysis of Leptin-Deficient Obese Mice

시네트롤(Sinetrol-XPur)의 섭취가 Leptin 유전자 결핍 동물 모델의 지방분해에 미치는 영향

  • Received : 2016.12.19
  • Accepted : 2017.02.01
  • Published : 2017.03.31
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Abstract

This study investigated the effects of Sinetrol-XPur (polyphenolic Citrus spp. and Paullinia cupana Kunth dry extract) on lipolysis using leptin-deficient obese (ob/ob) mice. Obese mice were treated with two different doses, 100 mg/kg body weight (B.W.) and 300 mg/kg B.W. in each AIN93G supplement, for 7 weeks. Body weight gain in obese mice treated with both low and high doses of Sinetrol-XPur was reduced compared with control obese mice. Abdominal and visceral adipose tissue weight of mice were reduced in high dose supplemented groups. Epididymal adipose tissue weight was reduced in both low and high dose supplemented groups by 18.27% and 41.05%, respectively. Phosphodiesterase 3B (PDE3B) mRNA levels decreased upon Sinetrol supplementation in adipose tissue of ob/ob mice, whereas A kinase anchor protein 1 (AKAP1), adipose triglyceride lipase (ATGL), and perilipin (PLIN) mRNA levels increased. These results suggest that Sinetrol-XPur supplementation partially stimulates lipolysis through reduction of PDE3B and induction of AKAP1, ATGL, and/or PLIN gene expression, resulting in reduced body and white adipose tissue weight.

본 연구에서는 시네트롤(Sinetrol-XPur)을 유전성 비만 마우스에 7주간 식이 투여하여 체중 및 지방 조직의 무게 변화와 지방 조직 내 지방분해 관련 유전자 발현량 변화를 알아보고자 하였다. 시네트롤을 섭취한 유전성 비만 마우스군(Sinetrol low와 Sinetrol high)에서 식이섭취량은 유전성 비만 대조군(Obese)에 비해 차이가 없었으나 체중 증가량 및 지방 조직들의 무게는 유의적으로 감소하였음을 확인하였다. 실험동물군의 지방 조직에서 지방분해 관련 유전자들의 발현을 측정한 결과, phosphodiesterase 3B의 발현은 Obese에 비해 Sinetrol에서 감소하였고, A kinase anchor protein 1, adipose triglyceride lipase, perilipin 유전자의 발현은 Obese에 비해 Sinetrol에서 유의적으로 증가하였음을 확인하였다. 이러한 결과로부터 시네트롤이 지방분해 관련 유전자 발현을 증가시켜 체내 지방의 축적이나 합성을 감소시킴으로써 체중의 증가를 예방할 수 있는 천연 기능성 식품으로 활용할 수 있을 것으로 기대할 수 있다.

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