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가미귀비탕(加味歸脾湯)이 백서(白鼠)의 배란(排卵)에 미치는 영향(影響)
최창민,홍기철,김덕님,김송백,유심근,Choe Chang-Min,Hong Gi-Chul,Kim Duck-Nim,Kim Song-Baeg,Yoo Sim-Keun 대한한의학방제학회 2003 大韓韓醫學方劑學會誌 Vol.11 No.2
Gamiguibitang(GMGBT) is used in amenorrhea and female infertility caused by ovulation disorder. An attempt was made to evaluate the influences of GMGBT on the serum concentrations of FSH, LH, estradiol(E2) and progesterone, the histological and optical changes of ovary of rats. The results of the study were as follows: 1. Blood FSH level significantly increased in experimental group controlled by four times quantity as compared with control group. 2. Blood LH level increased in experimental group controlled by four times quantity as compared with control group, which showed no efficacy. 3. Blood E2 level increased in experimental group controlled by four times quantity as compared with control group, which showed no efficacy. 4. Blood progesterone level significantly decreased in experimental group controlled by double quantity as compared with control group. 5. In optically observations of ovary, weight of ovary significantly increased in experimental group controlled by double quantity as compared with control group 6. In histological observations of ovary, ovulation significantly increased in experimental group controlled by both double and four times quantity as compared with control group. According to these results, it can be concluded that GMGBT influences the pituitary gland and ovary to increase the ovulation of rats.
사람 췌도 세포 분리의 표준화 및 분리 성적에 미치는 요인에 대한 분석
김송철,한덕종,김익희,위유미,김양희,김진희,백지혜,임동균 대한내분비학회 2006 Endocrinology and metabolism Vol.21 No.1
연구 배경: 사람에서 당뇨병의 근본적 치료를 위해 성공적인 췌도 이식이 이루어지기 위해서는 표준화된 분리 방법 및 분리된 췌도 세포의 품질 관리가 필수적이다. 또한 뇌사 기증자 및 분리 과정에 관여되는 여러 가지 요인에 의해 분리 성적이 좌우 되기 때문에 이들의 요인 분석 역시 성공적인 췌도 세포 분리를 위해 매우 중요하다.방법: 69예의 뇌사 기증자로부터의 췌도 세포 분리가 표준적인 분리 방법의 확립과 함께 이루어졌다. 성공적인 분리를 100,000 (IEQ) 이상으로 정의하여 기증자 나이, 성별, 체질량지수, 사망 원인, 냉허혈 시간, 췌장 상태, collagenase 주입 시 췌장의 팽창 정도, 주입 시간, 소화 작용시간 등이 요인으로 분석되었다. 결과: 분리 후의 평균 췌도 세포의 수는 순수 분리 전 216.0 × 103 ± 173.7 × 103 (IEQ), 순수 분리 후 130.6 × 103 ± 140.2 × 103 (IEQ)이었다. 평균 순도는 54 ± 31%였다. 분리된 췌도 세포에 대한 viability 는 95 ± 4%였으며 포도당 자극에 의한 자극지수는 4.67로 좋은 기능을 보였다. 공여자의 평균 연령은 31.2 ± 13.2 세였으며 평균 냉허혈 시간은 6.9 ± 6.2시간이었다. 균 동정 검사에서 유의한 균 검출은 나오지 않았다. 성공적인 췌도 세포 분리에 관여되는 인자에 대한 단변량 분석에서 췌장의 상태가 가장 중요한 요인이었으며 그 외 성별, collagenase 주입 시간과 소화 작용시간이 중요 인자였다. 다변량 분석에서는 기증자의 성별, 췌장의 상태, 소화 작용 시간이 유의한 인자였다. Background: Identifying the donor and isolation-related factors during the islet isolation would be greatly helpful to improve the result of human islet isolation for successful clinical islet transplantation.Methods: Sixty-nine pancreata from cadaveric donors were isolated with standard protocol and analyzed to identify the donor factors and isolation variables for successful isolation. Islet isolations recovered ≥ 100,000 Islet Equivalent (IEQ, n=53) were compared to islet mass less than 100,000 IEQ (n=16).Results: The mean islet recovery was 216.0 × 103 ± 173.7 × 103 (IEQ) before purification and 130.6 × 103 ± 140.2 × 103 (IEQ) after purification. Mean purity was 54 ± 31%. Mean age of donor was 31.2 ± 13.2 year and mean cold ischemic time was 6.9 ± 6.2 hour. Quality of isolated islets was acceptable in terms of bacterial culture, viability and secretory function in vitro and in vivo. In univariate analysis on successful isolation, status of pancreas was the only significant factor and sex, duration of collagenase expansion and digestion time were marginal factors. Stepwise multivariate logistic regression analysis showed donor sex, status of pancreas and digestion time were significant factors for the successful islet isolation. Conclusion: This study confirms some donor factors and variables in isolation process can influence the ability to obtain the successful isolation of human islet. Enough experiences and pertinent review of donor and isolation factors can make islet isolation successful, supporting the clinical islet transplantation without spending of cost (J Kor Soc Endocrinol 21:22~31, 2006).
Effects of Takrisodokyeum Water Extracts on LNCaP Prostate Cancer Cells
박관우,김송백,최창민,류도곤,권강범 한의병리학회 2009 동의생리병리학회지 Vol.23 No.5
Androgen receptors (AR) play a crucial role in the development and progression of prostate cancer. Many studies have suggested that prostate cancer cell proliferation is inhibited by AR downregulation, and it has been reported that Takrisodokyeum (TRSDY) induced apoptotic cell death and suppressed tumorigenesis in human leukemia cells. Therefore, this study was conducted to elucidate the mechanism by which TRSDY affects cell growth and AR expression in androgen-dependent prostate cancer cells (LNCaP cells). We investigated the proliferation and apoptosis of LNCaP cells using MTT and DNA fragmentation assays. In addition, we used western blot analysis to assess the effects of TRSDY on the expression of the AR target gene, prostate-specific antigen (PSA). Furthermore, the mechanism of AR downregulation by TRSDY was investigated using EMSA to analyze the binding activity of AR to androgen response elements (ARE). TRSDY significantly suppressed proliferation and induced apoptosis in LNCaP cells. In addition, TRSDY-induced apoptotic cell death was accompanied by activation of caspase-3 and cleavage of its substrate, poly(ADP-ribose) polymerase. TRSDY also inhibited the constitutively expressed- or 5a-dihydrotestosterone (DHT)-induced AR/PSA protein levels. However, these effects were mediated by inhibition of the binding of AR to ARE. TRSDY-mediated AR/PSA downregulation contributes to the inhibition of cell proliferation and the induction of apoptosis in LNCaP human prostate cancer cells. Our findings suggest that TRSDY may be used as a chemopreventive or chemotherapeutic agent for the treatment of prostate cancer.
아이트래킹 평가 방법과 경관 형용사 평가 비교 연구- 대학 캠퍼스 야간경관을 대상으로 -
강영은,김송이,백재봉 한국조경학회 2018 韓國造景學會誌 Vol.46 No.1
The purpose of this study is to improve the understanding of visual perception and to extend the landscape evaluationarea by comparing eye-tracking evaluation and landscape adjective evaluation methods towards various type of nightscapes. As a result of the study, it showed that ‘blink count’, ‘fixation duration average’, and ‘saccade duration average’ of eyetracking measurements have a significant correlation with ‘beautiful’, ‘interesting’, ‘accessible’, ‘satisfying’, and ‘safe’regarding landscape adjectives. In addition, there was a tendency toward areas of interests (AOIs) depending on 12 differentnightscapes, which showed that the gaze was fixated by focusing on certain landscape elements such as ‘door’ and ‘signs’. These results suggest that the eye-tracking method is an effective tool to specify the evaluation of ‘landscape elements’rather than the ‘whole landscape’ and can be used as a basis to support landscape preference theories, which has beenpresented as conceptual only. In this way, the results of this study demonstrated the possibility of various applicationsof eye tracking as an objective landscape evaluation technique, and it is possible to suggest specific implications to landscapeplanning through the accumulation of continuous research results.