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이공산(異功散)의 혈관신생(血管新生) 및 암전이(癌轉移) 억제효과(抑制效果)에 관한 연구(硏究)
강창희,강희,신현규,심범상,김성훈,최승훈,안규석,Kang, Chang-Hee,Kang, Hee,Shin, Hyeun-Kyoo,Kim, Sung-Hoon,Choi, Seung-Hoon,Ahn, Kyoo-Seok 대한암한의학회 2006 大韓癌韓醫學會誌 Vol.11 No.1
Ekongsan (EKS) was expected to have inhibitory effects on angiogenesis, considering the fact that its constituents such as Ginseng Radix, Glycyrrhizae Radix and Citri Pericarpium were reported to inhibit angiogenesis. Moreover, recently several metabolites transformed by the human intestinal microflora were reported to enhance effectiveness compared to their crude drugs. Based on these data, this study was designed to confirm whether the EKS metabolites (EKS-M) can significantly exert the anti-angiogenic and anti-metastatic activites. Hence, with EKS and EKS-M, viability assay, proliferation assay, in vitro tube formation assay, gelatin zymogram assay, in vitro invasion assay were carried out. EKS showed less toxicity in ECV304 and HT1080 cells than EKS-M. EKS-M inhibited the proliferation of HT1080 cells by 30% at 200 ${\mu}g/m{\ell}$ and 42% at 400 ${\mu}g/m{\ell}$ respectively. Also, EKS-M degraded the tube network at 200 ${\mu}g/m{\ell}$. EKS and EKS-M inhibited the expression of MMP-9 at 200 and 400 ${\mu}g/m{\ell}$in HT1080 cells. EKS reduced the invasive activity of HT1080 cells through matrigel coated transfilter at the concentration of 200 ${\mu}g/m{\ell}$ more effectively than EKS-M. These data suggest that EKS and EKS-M has anti-angiogenic and anti-metastatic activities.
강창희,김동희,유시용,김성훈,Kang, Chang-Hee,Kim, Dong-Hee,Ryu, Shi-Yong,Kim, Sung-Hoon 한국생약학회 2000 생약학회지 Vol.31 No.4
GRF (Korean Red Ginseng mixed formula) consists of six herbs such as Ginseng Radix rubra Koreana, Lycii Fructus, Artemisiae Capillaris Herba, Poria, and Glycyrrhizae Radix and Hoveniae Fructus. For the evaluation of hepatoprotective effect of GRF, the study was performed on protective effect against hepatic damage induced by galactosamine in vitro and ccl4 in vivo and also elucidate antioxidant activity. In vitro assay with 1.1 mM galactosamine, protection (%) was 44% (GR), and 58% (GRF-A) at 50 ug/ml. GRF effectively protected fatty degenertion and necrosis in murine hepatic damage induced by ccl4. For the -antioxidant study, GRF inhibited hemolysis of erythrocyte and decolored DPPH (2,2-diphenyl-l-picrylhydrazyl) free radical in a dose dependent manner more effetively than GR alone in vitro. GRF and GR significantly suppressed the time course $(1\;hr{\sim}6\;hr)-level$ of MDA (malondialdehyde) following AAPH (2,2'-azo-bis-(2-amidino -propane) dihydrochloride) treatment in vivo as compared with control data. From the results it can be concluded GR and GRF exerted the hepatoprotective effect by dint of antioxidant activity.
역상 액체 크로마토그래피에 의한 Iron(Ⅲ)porphyrin 착화합물들의 분리 및 용리거동에 관한 연구
강창희,김인환,이원,Chang Hee Kang,In Whan Kim,Won Lee 대한화학회 1993 대한화학회지 Vol.37 No.12
Some iron(III)porphyrin complexes were prepared, and identified by the spectroscopic methods. Elution behavior of iron(III)porphyrin complexes was investigated by reversed-phase HPLC. The optimum conditions for the separation of iron(III)porphyrin complexes were examined with respect to flow rate and mobile phase strength. These complexes were successfully separated on NOVA-PAK $C_{18}$ column using methanol / water(95/5) for $[T_pCF_3PP)Fe(R)]$ and methanol / water (98/2) for $[(P)Fe(C_6F_5)]$ as a mobile phase. It was found that these complexes were largely eluted in an acceptable range of capacity factor value ($0{\leq}logk'{\leq}1$). The dependence of the capacity factor (k') on the volume fraction of water in the binary mobile phase as well as the dependence of k' on the liquid-liquid extraction distribution ratio$(D_c)$ in methanol-water / n-pentadecane extraction system showed a good linearity. It means that the retention of iron(III)porphyrin complexes on NOVA-PAK $C_{18}$ column is largely due to the solvophobic effect. Also, there was a good linear dependence of the capacity factor(k') on the column temperature and enthalpy calculated by van't Hoff plot. From these results, it was confirmed that the retention mechanism of iron(III)porphyrin complexes in reversed-phase liquid chromatography was invariant under the condition of various temperature, and the solvophobic binding process exhibited isoequilibrium behavior. 몇 가지 iron(III)porphyrin 착화합물을 합성하고, 이들에 대하여 역상 액체 크로마토그래피에서의 최적 분리조건 및 용리거동을 조사하였다. 분리관, 흐름속도, 용리액의 조성 등을 변화시킨 실험에서 분리관은 NOVA-PAK $C_{18}$, 용리액은 methanol/water의 이성분 혼합용매를 적당히 조절하였을 때 용량인자가 최적 분리조건인 $0{\leq}logk'{\leq}1$ 범위를 만족시켰다. 용리거동에 관련된 인자들로는 용리액의 세기, 분포비$(D_c)$ 및 분리관의 온도변화에 따른 엔탈피(${\Delta}H^{\circ}$), 엔트로피(${\Delta}S^{\circ}$), 보정온도($\beta$)를 조사하여 분리 메카니즘을 규명하였다. 이성분 용매계에서 용리 세기 및 물의 부피분율과 용량인자(logk')와의 관계를 조사한 결과 이들간에는 직선성이 잘 성립되었으며, 부피비와 용량인자와의 관계에서도 비교적 직선성을 잘 나타내었다. 이러한 결과로부터 시료의 용리 메카니즘이 소용매성 효과에 기인하고 있음을 확인할 수 있었다. 또한 열역학적인 방법으로 용리거동을 조사하기 위하여, van't Hoff plot으로부터 엔탈피, 엔트로피를 구하였다. 엔탈피와 용량인자와의 상관관계를 조사한 결과 iron(III)porphyrin 착화합물과 정지상과의 상호작용은 온도변화에 과계없이 일정함을 알 수 있었고, 정지상과의 소용매성 결합 과정은 등평형 거동을 나타내었다.
연구논문 : 에나멜 리무버에 따라 손톱 손상도에 미치는 영향
강창희 ( Chang Hee Kang ),강상모 ( Sang Mo Kang ) 한국미용학회 2011 한국미용학회지 Vol.17 No.2
This study examines the materials to be lower toxicity than acetone, using main ingredient of remover, and to minimize nail damage, and analyze difference between two materials by morphological investigation, so recommends good enamel remover. To comparatively analyze nail damage by organic solvents, three solvents such as acetone, ethyl acetate, and butyl acetate. These were operated at interval of 5 days, then damage of nail surface and section was analyzed by SEM, AFM, CLSM. It was found that the damage by acetone of ketone family was more than ethyl acetate and butyl acetate of ester family. Also, in removing, the speed of volatilization was similar for acetone and ethyl acetate, and those of butyl acetate was lower than other two. Butyl acetate showed the lowest damage but acetone and ethyl acetate showed better usability. Consequently, it is found that butyl acetate is the least in damage while acetone is the most. It is considered that butyl acetate has relatively less influence on nail because it has the slowest speed of volatilization and its dissolving level is less than acetone and ethyl acetate owing to nonpolar substance. Also, it is considered that ester gained mainly from animal and vegetable has less toxicity than acetone, so it does for damage of nail. The results of this study shows that the product contained ethyl acetate or butyl acetate of non-acetone which was less toxicity than acetone would be better to minimize nail damage when enamel remover is used.