• Journal of Acupuncture Research
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• 제23권2호
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• pp.1-19
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• 2006

Objectives : The aim of this study was to investigate the hypoglycemic and hypolipidemic activities and mechanisms of Acanthopanax senticosus (AS) herbal acupuncture. Methods : Anti-diabetic and anti-steatotic activity of the AS herbal acupuncture was investigated on C57BL/6J ob/ob mice. After random grouping at the age of 9 weeks, the herbal acupuncture groups were injected subcutaneously at the left and right Gansu (BL18) corresponding acupuncture points alternately on exactly the same time every day with 0.1ml of either 400 mg/kg or 800 mg/kg of AS (AS400 and AS800) for 8-week period. As a positive control, metformin was administrated at a dose of 300 mg/kg (MT300). Body weights were measured weekly, and on every other week blood was collected for blood glucose analysis. At the end of study, blood was also collected for determination of plasma insulin and lipid levels, after which they were killed and periepidydimal fat, liver, muscle, and pancreas were immediately removed. The removed tissues were instantly soaked in liquid nitrogen and stored at $-70^{\circ}C$ for morphological examination and mRNA analysis. Results : The AS herbal acupuncture significantly prevented weight gain on C57BL/6J ob/ob mice. The AS herbal acupuncture lowered blood glucose and improved glucose tolerance in C57BL/6J ob/ob mice. The increase of insulin response during the OGTT was inhibited by the AS herbal acupuncture. Insulin sensitivity of skeletal tissue was enhanced. Plasma lipid levels were significantly improved in the AS herbal acupuncture groups. The AS herbal acupuncture decreased hepatic lipogenesis and hepatic triglyceride production, and increased fatty acid (FA) transporter that involves in FA uptake. The AS herbal acupuncture inhibited the increase of liver mass by prevention of the accumulation of TG but did not inhibit weight gain of fat tissue on C57BL/6J ob/ob mice. Conclusion : In summary, we have demonstrated several unique properties of the AS herbal acupuncture in decreasing body weight, and reversing insulin resistance and hepatic steatosis in ob/ob mice. This AS herbal acupuncture acts as an insulin sensitizer and specifically decreases circulating glucose and lipids, and suppresses hepatic lipogenesis.

• 사상체질의학회지
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• 제11권2호
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• pp.209-226
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• 1999

본 연구에서는 총 65명의 고지혈증환자를 대상으로 일반치료식과 체질치료식을 처방한 후 3주 후, 6주 후를 비교하여 그 효능을 비교하였다. 체질치료식은 영양학과 사상체질의학을 고려하여 구성되었다. 태음인의 경우를 살펴보면, 일반치료식과 체질치료식은 Serum Lipids의 항목에서 같은 수준으로 영향을 주었다. 일반치료식은 TC(6주후), TG(6주후)에서 유의한 감소(P<0.05)가 관찰되어 체질치료식보다 우수한 부분이 있었고, 체질치료식은 PL(6주후)에서 유의있는 감소(P<0.01) 가 관찰되어 일반치료식보다 우수하였다. 소양인의 경우를 살펴보면, 일반치료식에서는 변화가 없었으나 체질치료식에서는 TL(3주후 6주후), PL(3주후)에서 유의있는 감소(P<0.05)가 관찰되었다.

• 한국식품저장유통학회지
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• 제20권1호
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• pp.1-6
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• 2013

본 실험은 Curcuma longa L.의 비만, 인슐린 저항성 효과에 대해 알아보기 위하여 C. longa 를 50% 에탄올로 추출물을 제조한 다음 실험동물을 통하여 알아보았다. 실험동물로는 정상동물인 SD계 랫트와 2형 당뇨 모델인 db/db 마우스를 사용하였고 식이로는 고지방식이(15%fat diet)를 사용하였고 C. longa는 식이에 넣어 제공하였다. SD rat 에서 체중, 총지방량은 1.5% 울금식이군이 대조군보다 유의적으로 감소하였다. 혈청에서 인슐린, HOMA-IR, TG는 1.5% 울금식이군이 대조군보다 유의적으로 감소하는 것을 관찰할 수 있었다. db/db 마우스에서 체중은 1.5% 울금식이군이 대조군보다 감소하는 경향을 보였으나 유의적이지는 않았고 총지방량은 1.5% 울금식이군이 대조군보다 유의적으로 감소하는 것을 관찰 할 수 있었다. 본 실험에서 공복 시 혈당은 2주마다 측정하였는데 1.5% 울금식이군이 대조군보다 유의적으로 감소하였고 hemoglobin A1c도 유의적으로 감소하는 것을 관찰 할 수 있었다. 공복 시 혈당과 hemoglobin의 유의적인 감소로 인하여 혈청에서 측정한 insulin, HOMA-IR이 감소하는 경향을 보인 것으로 사료된다. 이상의 결과로 보아 C. longa 추출물은 체중조절 및 혈당조절에 도움이 되는 천연약물로서의 기능성이 입증되었다고 사료된다.

• International Journal of Industrial Entomology and Biomaterials
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• 제27권2호
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• pp.237-242
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• 2013

We investigated the 1-deoxynojirimycin (1-DNJ) content of extracts from silkworm larvae at each developmental stage within three silkworm varieties. We also compared the content of the following polyhydroxylated alkaloids in the silkworm extracts: 1-DNJ, fagomine, and 1,4-dideoxy-1,4-imino-d-arabinitol (DAB). In addition, we evaluated the glucose-lowering effects of silkworm extract powder in db/db mice. The 1-DNJ content was the highest in Yeonnokjam $5^{th}$ instar $3^{rd}$ d larvae and Hansaengjam $5^{th}$ instar $3^{rd}$ d larvae, which contained 18.4 mg/100 g dry weight and 18.3 mg/100 g dry weight, respectively. The $5^{th}$ instar $3^{rd}$ d larvae exhibited a higher content of 1-DNJ than that of $5^{th}$ instar $5^{th}$ d larvae among all varieties. The glucose-lowering effects of silkworm extracts and Yeonnokjam powder were tested on db/db mice, and the blood glucose levels were found to decrease significantly in the YR70 group. Silkworm extracts (180 mg/kg, 90 mg/kg, 45 mg/kg, and 22.5 mg/kg) and acarbose (50 mg/kg) were administered orally for 4 wk. Changes in water intake were not statistically significant between control and silkworm extract-treated groups. Compared to the control group, blood glucose levels in the silkworm extract powder-treated group decreased in the 22.5 mg/kg/d group after being administered for 4 wk. This decrease was statistically significant. Furthermore, biochemical changes in the AST(Aspartate aminotransferase), ALT(Alanine aminotransferase), TCHO(Total Cholesterol), TG(Triglyceride), LDL(Low density lipoprotein), and HDL(High density lipoprotein) levels in blood were not observed. However, statistically significant decreases in blood GLU in the 22.5 mg/kg/d group compared to that of the control group occurred. In addition, the epididymal fat weight of the silkworm extract powder-treated group decreased significantly in both the 22.5 mg/kg/d group and 180 mg/kg/d group compared to that of the control group, but there were no statistically significant changes in perirenal fat weight. These results demonstrate that silkworm extracts inhibit changes in blood glucose levels in model diabetic mice.

• 한국식품영양과학회지
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• 제34권6호
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• pp.814-820
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• 2005

흰쥐에 에탄올과 키토산을 병행 섭취시킴으로써 키토산이 에탄올섭취에 의한 흰쥐의 혈청과 간의 지질대사와 간조직 형태에 어떠한 영향을 미치는가를 조사하였다. 혈청 중 총콜레스테롤과 LDL-콜레스테롤, 그리고 간조직 중 중성지방의 농도는 에탄올의 급여로 인해 증가하였으나 키토산 $1\%$을 병행 섭취시킴으로써 에탄을 식이군에 비해 유의적으로 감소시켰으며 총콜레스테롤에 대한 HDL-콜레스테롤의 비는 에탄을 식이군에 비해 $1.0\%$ 키토산 식이군이 크게 증가 하였다. GOT의 활성은 에탄을 투여 시 유의적인 증가를 보였으나 키토산의 섭취로 에탄올 식이군에 비해 유의적인 감소를 보였다. 간조직의 지방축적 또한 에탄을 급여로 증가하였으나 키토산 $1.0\%$ 급여로 감소되었다. 이상의 결과로 볼 때, 키토산은 흰쥐의 에탄을 섭취에 의하여 유도된 혈청 중 총콜레스테를 농도 및 GOT 활성을 낮추어 주고 또한 간조직의 지방축적을 감소시킴으로써 잠재적으로 간의 손상을 예방할 수 있을 것으로 보인다.

• 한국식품영양과학회지
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• 제32권6호
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• pp.882-886
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• 2003

고추장은 체중감소 효과를 보였는데 흰쥐를 이용한 식이섭취 실험에서 발효 숙성된 전통고추장이나 공장식 상품고추장은 고지방 식이로 인한 체중 증가를 감소시켜 정상에 가까운 체중을 유지하도록 하였다. 반면에 발효되지 않은 고추장의 경우 고춧가루군과 거의 비슷한 감소효과를 나타내었으며 발효된 전통고추장이나 공장식 상품고추장에 비해서 체중감소효과가 그리 크지 않았다. 발효된 전통고추장은 높은 체중 감소효과와 더불어 부고환 지방 및 신장 주위 지방조직의 총지방, TG, 콜레스테롤의 함량도 낮추는 효과를 나타내었으나 발효되지 않은 고추장식이군은 감소효과가 크지 않아 발효의 유무가 체중감소, 지방조직감소에 큰 변수임을 알 수 있었다.

• 한국미생물·생명공학회지
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• 제43권4호
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• pp.336-342
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• 2015

선행연구에서 Euptelea pleiosperma가 항산화능과 항염증 활성을 나타내는 유용한 소재임을 처음으로 밝혔다. 본 연구에서는 E. pleiosperma 에탄올 추출물(EPEE)의 항비만 활성을 췌장 리파아제 효소 활성 억제능 및 세포실험모델계를 이용하여 분석하였다. 먼저 EPEE는 농도 의존적으로 lipase 효소 활성을 유의적으로 억제시켰으며, 3T3-L1 preadipocyte에서 지방세포 분화, 세포 내 지방 축적, TG 함량 등을 독성 없이 농도의존적으로 억제하였으며 지방세포 내 중성지방을 유의적으로 분해시키는 것으로 나타났다. 이러한 EPEE의 지방세포 분화 억제능은 핵심 작용 인자인 $C/EBP{\alpha}$, $C/EBP{\beta}$, 그리고 $PPAR{\gamma}$의 유전자 및 단백질 발현조절에서 기인함을 확인하였다. 이러한 결과는 E. pleiosperma가 보유한 췌장 lipase 활성 저해능, 지방세포 분화 억제능, 지방세포 내 지방 분해능을 통한 항비만 활성을 처음으로 밝혀낸 것이며 추후 계속적인 연구를 통해 활성 물질의 규명이 필요할 것으로 판단된다.

• Nutrition Research and Practice
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• 제12권3호
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• pp.199-207
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• 2018

BACKGROUND/OBJECTIVES: Fermented Laminaria japonica (FL), a type sea tangle used as a functional food ingredient, has been reported to possess cognitive improving properties that may aid in the treatment of common neurodegenerative disorders, such as dementia. MATERIALS/METHODS: We examined the effects of FL on scopolamine (Sco)- and ethanol (EtOH)-induced hippocampus-dependent memory impairment, using the Passive avoidance (PA) and Morris water maze (MWM) tests. To examine the underlying mechanisms associated with neuroprotective effects, we analyzed acetylcholine (ACh) and acetylcholinesterase (AChE) activity, brain tissue expression of muscarinic acetylcholine receptor (mAChR), cAMP response element binding protein (CREB) and extracellular signal-regulated kinases 1/2 (ERK1/2), and immunohistochemical analysis, in the hippocampus of mice, compared to current drug therapy intervention. Biochemical blood analysis was carried out to determine the effects of FL on alanine transaminase (ALT), aspartate transaminase (AST), and triglyceride (TG) and total cholesterol (TC) levels. 7 groups (n = 10) consisted of a control (CON), 3 Sco-induced dementia and 3 EtOH-induced dementia groups, with both dementia group types containing an untreated group (Sco and EtOH); a positive control, orally administered donepezil (Dpz) (4mg/kg) (Sco + Dpz and EtOH + Dpz); and an FL (50 mg/kg) treatment group (Sco + FL50 and EtOH + FL50), orally administered over the 4-week experimental period. RESULTS: FL50 significantly reduced EtOH-induced increase in AST and ALT levels. FL50 treatment reduced EtOH-impaired step-through latency time in the PA test, and Sco- and EtOH-induced dementia escape latency times in the MWM test. Moreover, anticholinergic effects of Sco and EtOH on the brain were reversed by FL50, through the attenuation of AChE activity and elevation of ACh concentration. FL50 elevated ERK1/2 protein expression and increased p-CREB (ser133) in hippocampus brain tissue, according to Western blot and immunohistochemistry analysis, respectively. CONCLUSION: Overall, these results suggest that FL may be considered an efficacious intervention for Sco- and EtOH-induced dementia, in terms of reversing cognitive impairment and neuroplastic dysfunction.

• 한국약용작물학회지
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• 제28권4호
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• pp.276-286
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• 2020

Background: Non-alcoholic fatty liver disease (NAFLD) is a chronic liver disease associated with multiple metabolic disorders. The medicinal plant Curcuma longa L. is widely distributed in Asia and has been used to treat a spectrum diseases in clinical practice. To date, there are inadequate reports of the effects of C. longa 50% EtOH extract (CE) on NAFLD. Therefore, in this study, we evaluate the CE on an NAFLD animal and elucidate the mechanism of action. Methods and Results: C57BL/6J mice fed a methionine-choline deficient diet (MCD) were treated with CE or milk thistle, and changes in inflammation and stetosis were assessed. Experimental animals were divided into six group (n = 10); Normal, MCD, MCD + CE 50 mg/kg/day (CE 50), MCD + CE 100 mg/kg/day (CE 100), MCD + CE 150 mg/kg/day (CE 150), and the Control, MCD + Milk thistle 150 mg/kg/day (MT 150). Body weight, liver weight, liver function, and histological changes were assessed in experimental animals. Quantitative real-time polymerase chain reaction and western blot analyses were performed on samples collected after 4 weeks of treatment. We observed that CE administration improved MCD-diet-induced lipid accumulation, and triglyceride (TG) and total cholesterol (TC) levels in serum. Treatment with CE also decreased hepatic lipogenesis through modulation of the sterol regulatory element binding protein-1 (SREBP-1), CCAAT-enhancer binding protein α (C/EBPα), fatty acid synthase (FAS), and peroxisome proliferator-activated receptor γ (PPARγ) expresion. In addition, the use of CE increased adenosine monophosphate-activated protein kinase (AMPK) phosphorylation and inhibited the up-regulation of toll-like receptor (TLR)-2 and TLR-4 signaling and the production of inflammatory mediators. Conclusions: In this report, we observed that CE regulated lipid accumulation in an MCD dietinduced NAFLD model by decreasing lipogenesis. These data suggeste that CE could effectively protect mice against MCD-induced NAFLD, by inhibiting the TLR-2 and TLR-4 signaling cascades.

• 동의생리병리학회지
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• 제20권5호
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• pp.1337-1345
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• 2006

Hypercholesterolemia is a pivotal pathogenic factor for the development and maintenance of atherosclerosis. The present study was designed to evaluate whether the methanol extract of Sorbus commixta cortex (MSC) restores vascular dysfunction in association with the aortic expressions of proinflarnmatory and adhesion molecules in high cholesterol (HC) diet-rats. Chronic treatment with low (100 mg/kg/day) or high doses (200 mg/kg/day) of MSC lowered the increase in plasma levels of triglyceride (TG) and low-density lipoprotein (LDL) cholesterol induced by a cholesterol-enriched diet without affecting on the plasma level of high density lipoprotein (HDL)-cholesterol. Vascular tone attenuated in the HC-diet rats was restored by administration with MSC. Treatment with MSC also suppressed the HC-induced increase in the monocyte chemoattractant protein-1 (MCP-1) and nuclear factor-$_K$B (NF-$_K$B) p65 expressions as well as expressions levels of adhesion molecules including intercellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (ICAM-1), and E-selectin in aorta. The present study also showed that MSC inhibited the HC-mediated induction of ET-1 and ACE expression. In histopathological examination, aortic segments in the HC-diet rat revealed thickening intima and media, which were blocked by administration with MSC. Taken together, MSC could suppress the development of atherosclerosis in the HC-diet rat model through the inhibition of the aortic expression levels of pro-inflammatory and adhesion molecules.