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김혜윰,리향,이윤정,서환호,조남근,강대길,이호섭,Kim, Hye-Yoom,Li, Xiang,Lee, Yun-Jeong,Seo, Hwan-Ho,Cho, Nam-Geun,Kang, Dae-Gill,Lee, Ho-Sub 대한한의학방제학회 2009 大韓韓醫學方劑學會誌 Vol.17 No.2
The vasorelaxant effect of an extract of Lophatherum gracile Brongn (ELB) and its possible action mechanism were ascertained in aortic tissues isolated from rats. ELB relaxed endothelium-intact thoracic aorta in a dose-dependent manner. However, the induced vascular relaxation was abolished by removal in endothelium of the thoracic aorta. Pretreatment of endothelium-intact vascular tissues with $N^G$-nitro-L-arginine methyl ester (L-NAME) or 1H-[1,2,4]-oxadiazole-[4,3-$\alpha$]-quinoxalin-1-one (ODQ) significantly inhibited vascular relaxation induced by ELB. Moreover, ELB significantly increased cGMP production in aortic tissues, which was blocked by pretreatment with L-NAME or ODQ. The vasorelaxant effect of ELB was attenuated by tetraethylammonium (TEA), and glibenclamide. ELB-induced vasorelaxation was not blocked by atropine, propranolol, indomethacin, verapamil, and diltiazem. Taken together, the present study demonstrates that ELB dilates vascular smooth muscle via an endothelium-dependent NO-cGMP signaling pathway, which may be at least in part related with the function of $K^+$ channels.
당뇨병성 신병증 모델에서 블랙커런트의 사구체 섬유증 및 신장 기능장애 개선 효과
김혜윰(Hye Yoom Kim) 한국식품과학회 2021 한국식품과학회지 Vol.53 No.5
본 연구를 통하여 블랙커런트 추출물의 섭취가 제 2형 당뇨동물 모델인 db/db 마우스에서 혈당 개선 및 사구체 확장, 신장섬유증, 염증을 억제하여 당뇨병성 신병증을 개선했다는 것을 입증했다. 제 2형 당뇨병 db/db 마우스에서 블랙커런트 추출물의 섭취가 인슐린 저항성 및 신장 기능 장애와 같은 당뇨병 관련 대사 장애를 개선하고, 당뇨병성 신병증에 있어 신장 염증 및 신장섬유증을 현저하게 약화시켰다는 것을 보여주었다. 결론적으로, 이러한 연구 결과는 블랙커런트 추출물이 신장 섬유증, 염증 및 이에 따른 당뇨병성 신병증의 예방에 중요한 역할을 할 수 있다는 증거를 제공한다. 따라서 당뇨병 관련 신기능 장애에 대한 블랙커런트 추출물의 보호 역할은 당뇨병성 신병증 개선 건강성 식품 개발에 대한 새로운 통찰력을 제공 할 수 있다. Diabetic nephropathy is a major and representative complication of type 2 diabetes. Hyperglycemia increases the incidence of diabetic nephropathy, and induces kidney inflammation, thereby causing renal fibrosis, which is an important factor in the pathogenesis of diabetic nephropathy. This study investigated the effects of blackcurrant extract (BLC), which has been implicated in diabetic nephropathy in db/db mice, on glomerular fibrosis and renal dysfunction. The results showed that BLC consumption in type 2 diabetic db/db mice ameliorated diabetes-related metabolic disorders, such as insulin resistance and renal dysfunction, and significantly attenuated renal inflammation and renal fibrosis in diabetic nephropathy. In conclusion, these findings suggest that BLC consumption may help prevent renal fibrosis, inflammation, and consequent diabetic nephropathy.
천연물 복합 추출물 (HAE-06)의 기관지 확장에 미치는 영향
김대성,김혜윰,Kim, Dae Sung,Kim, Hye Yoom 한국식품영양학회 2021 韓國食品營養學會誌 Vol.34 No.5
HAE-06 extract is a mixture of four medicinal plants, namely Lonicerae Folium et Caulis (Lonicera japonica), Scutellariae Radix (Scutellaria baicalensis), Adenophorae Radix (Adenophora triphylla var. japonica), and Polygonati Oddorati Rhizoma (Polygonatum odoratum var. pluriflorum). The HAE-06 extract demonstrated a concentration-dependent relaxing effect and enhanced cAMP production in bronchial smooth muscle that had been stimulated to contract with acetylcholine. Using a blocker, it was confirmed that the effect was through the β2-adrenergic receptor/cAMP/PKA pathway. In addition, it is thought that the HAE-06 extract has a bronchial smooth muscle relaxation effect by reducing the inflow of Ca<sup>2+</sup> through the K<sup>+</sup> and Ca<sup>2+</sup> channels present in the sarcoplasmic membrane. If research continues in the future, it is believed that it will be possible to use it as a material for pharmaceuticals and functional foods.
고지혈증 동물모델에서 홍삼과 천마 혼합투여에 의한 혈관 염증 개선연구
이윤정,김혜윰,윤정주,이소민,고정현,이호섭,최경민,강대길,Lee, Yun-Jung,Kim, Hye-Yoom,Yoon, Jung-Joo,Lee, So-Min,Kho, Joung-Hyun,Lee, Ho-Sub,Choi, Kyung-Min,Kang, Dae-Gill 대한한의학방제학회 2012 大韓韓醫學方劑學會誌 Vol.20 No.1
Objectives : This experimental study was designed to investigate the inhibitory effects of combination with Korean red ginseng and Gastrodia rhizoma on vascular dysfunction in high-fat/cholesterol diet-induced hyperlipidemia. Methods : Sprague-Dawley rats were fed with 7.5% cocoa butter and 1.25% cholesterol for 10 weeks, with Panax ginseng (PG), and mixtures of Panax ginseng and Gastrodia rhizoma (PGM), respectively. Results : Chronic treatment with PG and PGM significantly decreased body weight. The aortic expression of cell adhesion molecules such as intracellular adhesion molecule-1 (ICAM-1), vascular cell adhesion molecule-1 (VCAM-1), and E-selectin were markedly increased in hyperlipidemia rats. Interestingly, PGM significantly decreased cell adhesion molecules expression. However, there was no significant decrease in PG group. In addition, PG and PGM group inhibited high-fat/cholesterol diet-induced cytokine such as monocyte chemoattractant protein (MCP-1) mRNA expression. Furthermore, PG and PGM group significantly decreased c-reactive protein protein (CRP) level. Especially, PGM significantly accentuated the decrease of MCP-1 mRNA expression and CRP level. Conclusions : the present study provides an evidence that combination with Panax ginseng and Gastrodia rhizoma enhances anti-vascular protective effects through suppression of vascular inflammation in hyperlipidemic rats.
파어탕의 L-NAME 유도 고혈압 동물군에서의 혈압강하효과 및 심신기능 개선 효과
나세원,홍미현,김혜윰,장윤재,윤정주,이윤정,강대길,이호섭,Na, Se Won,Hong, Mi Hyeon,Kim, Hye Yoom,Jang, Youn Jae,Yoon, Jung Joo,Lee, Yun Jung,Kang, Dae Gill,Lee, Ho Sub 대한한의학방제학회 2020 大韓韓醫學方劑學會誌 Vol.28 No.3
Hypertension has been approved to cause disharmony between the heart and kidney such as cardiac hypertrophy and kidney dysfunction. In traditional oriental medicine Paeo-tang (PET) has been shown to have effects on blood circulation improvement. However, the beneficial effect of PET on hypertension remains unknown. In this study, we investigated that PET attenuates blood pressure and improves cardiovascular and renal function in NG-nitro-L-arginine methylester (L-NAME) rat model. Hypertensive rat models were induced by the administration of L-NAME (40 mg/kg/day) and then PET (50 or 100 mg/kg/day) or Olmetec was treated for 2 weeks. PET treatment significantly suppressed the systolic blood pressure and decreased intima-media thickness in the thoracic aorta. PET ameliorated endothelium-dependent and independent vascular relaxation in the L-NAME-induced vascular dysfunction. PET ameliorated the functional decline in the kidney such as albumin and blood urea nitrogen in plasma. These results demonstrated that PET possesses protective effects against L-NAME-induced hypertension.
이윤정,김언국,김혜윰,윤정주,이소민,이용표,이건목,강대길,이호섭,Lee, Yun Jung,Kim, Eon Kuk,Kim, Hye Yoom,Yoon, Jung Joo,Lee, So Min,Lee, Yong-Pyo,Lee, Geon Mok,Kang, Dae Gill,Lee, Ho Sub 대한한의학방제학회 2013 大韓韓醫學方劑學會誌 Vol.21 No.1
Objectives : Diabetes mellitus is the leading cause for vascular complications such as atherosclerosis. The present study is to investigate whether Doinseunggi-tang (DST) improves diabetic vascular dysfunction in type II diabetes. Methods : The db/db mice were treated with high fat/high cholesterol diet and DST (200 mg/kg/day) for 8 weeks. Results : DST significantly lowered blood glucose and systolic blood pressure. In addition, DST also markedly decreased total plasma cholesterol, triglyceride, and LDL-cholesterol, whereas increased the HDL-cholesterol. Vascular relaxation of aortic rings by acetylcholine or SNP was ameliorated by DST in a dose-dependent manner. Damage of vascular intima and hypertrophic of media was improved by DST. Immunohistological study revealed that DST attenuated the increase of ICAM-1, VCAM-1, and ET-1 expression in thoracic aorta. Conclusions : Taken together, DST suppressed hyperglycemia and diabetic vascular dysfunction in type II db/db mice. The present data suggests that Doinseunggi-tang may be prevent a development of diabetic atherosclerosis.