라스베라트롤 투여가 고지방식이 비만쥐의 지방조직에서의 inflammasome과 대식세포 마커에 미치는 영향 Resveratrol Ameliorates High-fat-induced Metabolic Complications by Changing the Expression of Inflammasome Markers and Macrophage M1 and M2 Markers in Obese Mice원문보기
본 연구 목적은 고지방식이 유도 비만 쥐의 피하지방조직에서 라스베라트롤 투여가 대식세포 침윤관련 염증인자에 미치는 영향을 규명하고자 하였다. 본 연구를 위해 정상식이군, 고지방식이군, 고지방식이+라스베라트롤 투여군으로 분류한 후, 라스베라트롤 투여군은 15주간 25 mg/kg 농도로 Dimethyl Sulfoxide에 용해하여 투여하였으며, 비교군은 Dimethyl Sulfoxide 용액만을 투여하였다. 연구결과 고지방식이군은 정상식이군에 비하여 체중이 유의하게 증가하였고, 라스베라트롤 투여군에서 고지방식이 군보다 NLRP3. ASC, Casepase1 mRNA 발현이 감소하였다. 또한 염증마커로 알려진 IL-18 mRNA 발현이 라스베라트롤 투여군에서 정상식이군과 고지방식이군보다 낮게 나타났다. 대식세포 침윤 마커인 F480, CD86 mRNA 발현에서도 라스베라트롤 투여군에서 고지방식이 군보다 유의한 감소를 보였다. 따라서 라스베라트롤 투여는 고지방식이 유도 비만 상황에서 대식세포 침윤 염증과 inflammasome에 긍정적인 영향을 미치는 것으로 보여진다.
본 연구 목적은 고지방식이 유도 비만 쥐의 피하지방조직에서 라스베라트롤 투여가 대식세포 침윤관련 염증인자에 미치는 영향을 규명하고자 하였다. 본 연구를 위해 정상식이군, 고지방식이군, 고지방식이+라스베라트롤 투여군으로 분류한 후, 라스베라트롤 투여군은 15주간 25 mg/kg 농도로 Dimethyl Sulfoxide에 용해하여 투여하였으며, 비교군은 Dimethyl Sulfoxide 용액만을 투여하였다. 연구결과 고지방식이군은 정상식이군에 비하여 체중이 유의하게 증가하였고, 라스베라트롤 투여군에서 고지방식이 군보다 NLRP3. ASC, Casepase1 mRNA 발현이 감소하였다. 또한 염증마커로 알려진 IL-18 mRNA 발현이 라스베라트롤 투여군에서 정상식이군과 고지방식이군보다 낮게 나타났다. 대식세포 침윤 마커인 F480, CD86 mRNA 발현에서도 라스베라트롤 투여군에서 고지방식이 군보다 유의한 감소를 보였다. 따라서 라스베라트롤 투여는 고지방식이 유도 비만 상황에서 대식세포 침윤 염증과 inflammasome에 긍정적인 영향을 미치는 것으로 보여진다.
The purpose of this study was to investigate the effects of resveratrol supplementation on inflammasome, inflammation, and macrophage markers in subcutaneous adipose tissue of high-fat-diet-induced obese mice. C57BL/6 mice were randomly assigned to three groups: normal diet control (NC; n=10), high-...
The purpose of this study was to investigate the effects of resveratrol supplementation on inflammasome, inflammation, and macrophage markers in subcutaneous adipose tissue of high-fat-diet-induced obese mice. C57BL/6 mice were randomly assigned to three groups: normal diet control (NC; n=10), high-fat diet control (HC; n=10), or high fat with resveratrol (HRE; n=10) group. The mice were fed a high-fat diet (60% of calories from fat) or normal diet (18% of calories from fat). Resveratrol dissolved in a 0.1ml solution of dimethyl sulfoxide was supplemented orally at 25 mg/kg body weight. After 15 weeks, the body weight was significantly higher in the high-fat diet group than in the normal diet group. The inflammasome markers NLRP3, ASC, and caspase1 were significantly lower in the HRE group than in the HC group. The levels of an inflammation marker, IL-18, were also significantly lower in the HRE group than in the NC and HC groups. The levels of macrophage markers F480 and CD86 were significantly lower in the HRE group than in the HC group. The levels of the M2 macrophage marker CD206 were significantly decreased in the HC and HRE groups. Resveratrol had a positive effect on ameliorating the complications of high fat diet-induced obesity by reducing inflammasome and M1 macrophage gene expressions. However, resveratrol supplementation did not reduce inflammation gene expression.
The purpose of this study was to investigate the effects of resveratrol supplementation on inflammasome, inflammation, and macrophage markers in subcutaneous adipose tissue of high-fat-diet-induced obese mice. C57BL/6 mice were randomly assigned to three groups: normal diet control (NC; n=10), high-fat diet control (HC; n=10), or high fat with resveratrol (HRE; n=10) group. The mice were fed a high-fat diet (60% of calories from fat) or normal diet (18% of calories from fat). Resveratrol dissolved in a 0.1ml solution of dimethyl sulfoxide was supplemented orally at 25 mg/kg body weight. After 15 weeks, the body weight was significantly higher in the high-fat diet group than in the normal diet group. The inflammasome markers NLRP3, ASC, and caspase1 were significantly lower in the HRE group than in the HC group. The levels of an inflammation marker, IL-18, were also significantly lower in the HRE group than in the NC and HC groups. The levels of macrophage markers F480 and CD86 were significantly lower in the HRE group than in the HC group. The levels of the M2 macrophage marker CD206 were significantly decreased in the HC and HRE groups. Resveratrol had a positive effect on ameliorating the complications of high fat diet-induced obesity by reducing inflammasome and M1 macrophage gene expressions. However, resveratrol supplementation did not reduce inflammation gene expression.
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문제 정의
Therefore, the aim of this study was to investigate the effects of resveratrol supplementation on inflammasome, inflammation, and macrophage marker in subcutaneous adipose tissue of high-fat-diet-induced obese mice.
가설 설정
In this study, we found that body weight was not significantly reduced by resveratrol supplementation. The previous study reported that there was significant weight reduction with resveratrol supplementation (200-400 mg/kg/ day) in obese mice [20].
제안 방법
The mice were randomly assigned to three groups: normal diet control (NC; n=10), high fat diet control (HC; n=10), and high fat with resveratrol (HRE; n=10) groups. The mice were weighed and food intake per cage (5 mice) measured weekly.
데이터처리
Statistical analysis from RT-PCR data was performed by SPSS V22.0 using one-way ANOVA with LSD posthoc tests. Statistical significance was defined as α=0.
성능/효과
Male C57BL/6 mice 4 weeks old, n=30 from Central Experimental Animal, Korea were housed in cages (5 mice per cage) with standard experimental laboratory, at temperature 22±2℃, with 60±5% humidity. After one week adaptation period, the mice were feed either a high fat diet (60% of calories from fat, 20% from carbohydrate, 20% from protein, Orient Bio Inc., #D12492) or a normal diet (18% calories from fat, 58% from carbohydrate, 24% from protein, Orient Bio Inc., #2018) ad libitum for 15 weeks.
However, our previous results with 10mg/kg also showed no significant effect on body weight [17]. In this research, we use 25mg/kg body weight of mice that were given orally but the weight of resveratrol supplementation group was not significant difference compared to the high-fat diet group. The effect of resveratrol on the obese model suggested that weight reduction can differ based on the level of obesity, the duration, and concentration of resveratrol administration [5, 30].
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