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TC-1 세포주를 이용한 동물모델에서 As4O6에 의한 혈관폐쇄 효과
남궁정 ( Jeong Namkung ),배수미 ( Su Mi Bae ),문란영 ( Lan Ying Wen ),오은경 ( Eun Kyeong Oh ),신재은 ( Jea Eun Shin ),김용욱 ( Yong Wook Kim ),김태응 ( Tae Eung Kim ),박태철 ( Tai Churl Park ),안웅식 ( Woong Shick Ahn ) 대한산부인과학회 2009 Obstetrics & Gynecology Science Vol.52 No.2
Objective: Arsenic trioxide (As2O3) is known to have potent anti-vascular activity and significantly suppress solid tumor growth. The present study was conducted to investigate the vascular shutdown effects of a novel arsenic compound, tetraasrsenic oxide (As4O6), in comparison with As2O3 using cervical cancer animal model. Methods: Mice tumor challenge model was used C57BL/6 mice transplanted with TC-1 cells. After the growth of tumors was reached up 200~250 ㎣, mice were divided into 3 groups randomly for control and treatment of either As2O3 or As4O6. As2O3 and As4O6 was treated by i.p. injection. The tumor size was caliperated in twice for weeks and anti-vascular effect were assessed by Evans blue extraction assay and Hoechst 33342 staining. In tumor tissue, histopathological feaure was obserevd by hematoxylin and eosin (H&E) staining. Results: In mice treated with either As2O3 and As4O6 (i.p.), both of As2O3 and As4O6 was significantly suppressed the tumor growth compared with control group. Moreover, effect of As4O6 is more pronounced. These tumor growth inhibition is led to the massive necrosis and vacular shutdown in tumor tissue. Conclusion: This study suggests that As4O6 may have potential anticancer activity via vascular shutdown in C57BL/6 mice transplanted with TC-1 cells.
송인섭(Song In-Sub),김효원(Kim Hyo-Won),남궁정(NamKung Jeong) 한국영재교육학회 2008 영재와 영재교육 Vol.7 No.1
본 연구는 연령별 진로성숙 수준에 적합한 도구를 개발하기 위해 중학생들을 대상으로 청소년들이 각 단계에서 주어지는 진로문제들에 대해 대처할 수 있는 준비도인 진로성숙을 측정하는 도구를 개발하고 타당화하는데 그 목적이 있다. 이를 위해 먼저, 진로성숙에 대한 이론적 고찰과 관련 도구 분석을 통해 진로성숙 구인을 개념화하고 이에 근거하여 중학생의 진로성숙을 측정하는 도구를 개발하였다. 둘째, crites의 CMI에 근거하여 본 연구의 진로성숙 연구모형을 개발하고 관련연구들을 토대로 형성된 경쟁모형을 제시하여 최적의 모형을 경험적으로 검증하여 진로성숙 구조모형을 타당화하고자 하였다. 이를 위해 공변량구조분석(AMOS)을 통해 적합도 지수를 확인하였다. 그 결과, 상대적합도 지수인 TLI ,CFI가 .90 이상으로, 절대적합도 지수 RMSEA는 .052로 본 연구모형(모형 Ⅰ)의 적합도 지수가 다른 경쟁모형의 적합도 지수보다 더 양호한 것으로 나타났다. 본 연구는, 기존의 검사들의 단점을 보완하여 진로성숙 구인을 개념화하고 이에 근거한 연구모형을 개발 경험적으로 타당화 하였다는데 의의가 있다고 본다. 영재교육의 측면에서도 진로선택 및 결정은 중요한 과업으로 일반학생 뿐만 아니라 영재아들도 진로결정에 어려움을 겪고 있다고 보고된다. 그러므로 적용적 측면에서 일반학생들뿐만 아니라 영재아들의 정밀한 진로성숙도 측정을 통해 진로발달과 관련하여 그들이 가져야할 정의적, 인지적 발달에 대한 자료를 제시하여 진로문제와 생활지도면에서 합리적으로 적용될 수 있을 것으로 여겨진다. The purpose of this study is to 1)develop an Career Maturity scale for Korean middle-school students and 2)test construct validation through covariance structure analysis. In order to answer these purposes, we first reviewed related documents and inventories, as to research the constructed factors which to develop an Career Maturity scale, then defined the concept of Career Maturity and the theological constructive model. They were included in 2 components of attitude and cognitive abilities for career maturity accordingly in 6 sub-components. 172 middle school students were analysed at pilot test and 749 students were conducted final test. Based on factor analysis and item analysis, 94 items were selected to final test items. Second, to examine the best fit construct model for career maturity, we assumed conceptual model for career maturity, model Ⅰ, base on CMI model (Crites, 1978) and proposed competing models base on the related studies that included the other components(behavioral) for career maturity. As a result of covariance structure analysis(AMOS), we confirmed 3rd order construct model include 2 components was the best adequate through the indices of best fit(TLI,CFI>.90, RMSEA=.052). Career Maturity scale of this study developed andexamined can be applied future study for the gifted students who haven"t decidedtheir career decision because of their multi potentials and talents.
복강경하 병기설정 수술을 시행한 난소의 Sertoli-Leydig Cell Tumor, 1예
서민정 ( Min Jung Suh ),유시현 ( Sie Hyun You ),최주혁 ( Joo Hyuk Choi ),오은경 ( Eun Kyeong Oh ),남궁정 ( Jeong NamKung ),박미선 ( Mi Sun Park ),지은영 ( Eun Young Ji ),강영화 ( Young Hwa Kang ),윤주희 ( Joo Hee Yoon ) 대한산부인과학회 2007 Obstetrics & Gynecology Science Vol.50 No.7
Sertoli-Leydig cell tumors are rare sex cord-stromal tumors. These tumors account for less than 0.5% of all ovarian tumors. Because these tumors appear predominantly in young women (between the age of 30 and 40) and are bilateral in less than 1% of cases, conservative removal of the tumor and adjacent fallopian tube is justifiable. Recently, we experienced a case of successful laparoscopic surgical staging in patient of Sertoli-Leydig cell tumor which was previously incompletely evaluated in local OBGY clinic. There are no solid data to suggest that usefulness and risk of laparoscopic surgical staging and adjuvant therapy with stage I disease of these tumors until now. So we present it with a brief review of literature.