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손동석,김윤범,Son, Dong-Seok,Kim, Yoon-Bum 대한한방안이비인후피부과학회 2002 한방안이비인후피부과학회지 Vol.15 No.2
Objective : The aim of this study was to investigate the skin-whitening effect of Kakamseosiokyong-san Method : We investigated that the extracts of Kakamseosiokyong-san inhibit activity of tyrosinase, the enzyme which converts 3-(3,4-dihydroxyphenyl)alanine to dopachrom in the biosynthetic process of melanin. the UV absorbance of the extracts in the UV - A region and UV - B region was measured by UV scanning. the effect of extracts on cell viability and melanin production in cultured B16 mouse melanoma cells was measured, and cytoprotective effects of extracts on PC12 cells injured by hydrogen peroxide was measured by MTT assay Results: The extracts of Kakamseosiokyong-san inhibited activity of tyrosinase. The extracts not only showed inhibitory effects on melanin production in cultured B16 mouse melanoma cells, but also exhibited cytoprotective effects on PC12 cells injured by hydrogen peroxide, but did not showed an absorbance in the UV - A region and UV - B region. Conclusion: These results suggest that Kakamseosiokyong-san inhibit melanin biosynthesis which is involved in hyperpigmentation and could be used as a whitening agent for the skin.
열공형과 비열공형 피질하 혈관성 치매에서 위험인자의 차이에 관한 비교 연구
배희준,정지향,유경호,나덕렬,김상윤,최경규,양동원,손의주,이상도,김재우,박경원,김응규,이재홍,박미영,한일우,함동석,최문성,하충건,최성혜,이애영,이병철,한설희 대한치매학회 2003 Dementia and Neurocognitive Disorders Vol.2 No.2
Backgrounds and Objectives: Vascular dementia is a group of dementing disoders arising from various stroke syndrome. Among these. subcortical ischemic vascular dementia (SIVD) is regarded as a relatively distinct clinical entity. However, MRI patterns of SIVD are not homogenous. In some patients, lacunes are dominant, and in others, subcortical white matter changes are. This study was designed to compare risk factor profiles between SIVD with and without multiple lacunes. Methods: We divided 47 subjects (22 males, mean age. 68 years) recruited from VADAPET (Multicenter Trial For Evaluation Of The Changes In the PET Images Of Subcortical Vascular Dementia Patient) study into two groups one with more than 5 lacunes in deep gray matter (lacune group) and the other with 5 or less(non-lacune group) Clinical characteristics and laboratory findings of two groups were compared. Results: Nineteen of 47 patients (40%) belonged to the lacune group. The lacune and non-lacune groups d d not differ in the following variables: age, hypertension, diabetes mellitus, hyperlipidemia heart disease, history of stroke or TIA, history of trauma or major surgery, family history of hypertension stroke, or dementia, age at diagnosis of dementia, body mass index, white blood cell count, ESR, CRP, fibrinogen, hemoglobin A1C, total cholesterol. LDL cholesterol creatinine, proteinuria, glucosuria, and microhematuria. However, male sex, smoking alcohol. hemoglobin, and HDL cholesterol were possibly associated more with lacune group SIVD than with non-lacune group (p<0 1) Multivariate analyses revealed that smoking, hemoglobin, and HDL cholesterol were independent predictors of SIVD with multiple lacunes Conclusion: Our study suggests that SIVD with multiple lacunes may be significantly different in smoking habits hemoglobin, and HDL cholesterol from SIVD without multiple lacunes.