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발생 중인 마우스 콩팥에서 Angiopoietin-1, Angiopoietin-2, 및 Tie2의 발현
김원 ( Kim Won ),이식 ( Lee Sig ),성미정 ( Seong Mi Jeong ),문상옥 ( Mun Sang Og ),김상균 ( Kim Sang Gyun ),장용범 ( Jang Yong Beom ),김성식 ( Kim Seong Sig ),강성귀 ( Kang Seong Gwi ),박성광 ( Park Seong Gwang ) 대한신장학회 2004 Kidney Research and Clinical Practice Vol.23 No.3
배경: Angiopoietins는 내피세포에 특이적으로 존재하는 수용체인 Tie2에 작용하는 ligands로서 발달과정에서 혈관형성에 관여한다. 혈관형성과정은 태생기에서 기관이 발달할 때 아주 필수적인 과정이지만 일부 후천적 질환에 관여하기도 한다. 방법: 신장은 혈관이 풍부한 장기이므로 혈관의 형성과정이 신장의 발달과정에 중요하기 때문에 이 연구에서는 신장의 발달 단계에 따라 angiopoietin-1 (Ang1), Ang2 그리고 Tie2 단백질을 시기적으로 위치적으로 발현 양상을 관찰하였다. 결과: Ang1 단백질은 태생 후 28일까지 지속적으로 증가하였고, Ang2 단백은 태생 후 14일째, Tie2 단백질은 태생 후 7일째 최고로 증가하였다. Ang1 단백질은 신수질과 피질의 세뇨관 상피세포 일부에서 발현하였고 Ang2 단백질은 피질의 세뇨관 상피세포와 사구체 일부에서 발현하였다. Tie2 단백질은 사구체내의 내피세포로 생각되는 부분과 수질부에서 vasa recta로 생각되는 부분에 발현하였다. 결론: 이상의 결과를 종합하면 Ang1, Ang2 그리고 Tie2은 발달과정의 신장에서 발현되어 있었다. Background : The Angiopoietin 1 (Angl). Angiopoietin-2 (Ang2) and Tie2 have essential role in angiogenesis in development. Ang1 and Ang2 are ligands which binds to their receptor. Tie2. Methods : Expression of these proteins was sought during mouse kidney maturation from embryonic day 16 (E16) to 28 days postnatal (P28). Results : Using RNase protection assay and Western blot, these three molecules were expressed throughout the experimental period with peak levels at P28 (Ang1), P14(Ang2) and P7 (Tie2). By immunohistochemical analysis, Ang1 protein was found to localize to condensing renal mesenchymal cells, and tubules, Ang2 proteins were detected in differentiating outer medullary tubules and the vasa recta bundle area. Tie2 protein was detected in a portion of glomerular tufts and cortical interstitium, and medulla including vessels in the vasa recta. Conclusions : These data suggest that Ang1, Ang2 and Tie2 proteins are expressed in renal development. (Korean J Nephrol 2004;23(3):385-395)
KOSDIC 포맷의 응용수준별 활용모델 개발에 관한 연구
김성아(Kim SingAh),윤기병(Yoon K-Byung),이명식(Lee Myung-Sik),김성식(Kim Sung-Sig),임경일(Lim Kyoung-Il) 대한건축학회 2003 대한건축학회 학술발표대회 논문집 - 계획계/구조계 Vol.23 No.2
This study proposes a methodological framework for extending the KOSDIC format, which has been developed as a standard for construction drawing file exchange. The Ministry of Construction and Transportation, in cooperation with the KICT(Korea Institute of Construction Technology), has recently finished the development of the KOSDIC 1.0, and is now seeking for strategic application scenarios in order to disseminate the KOSDIC format throughout the field works as well as the government institutes. Through the investigation of similar research efforts and by applying recent advances in Information Technology area, we have formulated futuristic application scenarios of KOSDIC format. Among the suggested methods, this paper presents the proposal of KOSDIC-XML. The KOSDIC-XML is an XML based application framework which extends the KOSDIC format by integrating various web technologies. They include channel based XML technology, Web service framework, and distributed computing. The result of the research will be used for a theoretical framework KOSDIC-XML schema and its prototype applications at the next phase of this research.
KOSDIC 포맷의 응용수준별 활용모델 개발 : KOSDIC-XML의 개발 제안을 중심으로 Proposing the Development of KOSDIC-XML
김성아,윤기병,이명식,김성식 대한건축학회 2004 대한건축학회논문집 Vol.20 No.4
This study proposes a methodological framework for extending the KOSDIC format, which has been developed as a standard for construction drawing file exchange. The Ministry of Construction and Transportation, in cooperation with the KICT(Korea Institute of Construction Technology), has recently finished the development of the KOSDIC 1.0, and is now seeking for strategic application scenarios in order to disseminate the KOSDIC format throughout the field works as well as the government institutes. The basic idea is that the KOSDIC format may not be well accepted in favor of legacy CAD systems unless otherwise clear benefits are experienced. Thus, we need first to define the next levels of KOSDIC development based on technical requirement and advances, second, to provide a progressive operation framework which extends the KOSDIC functionalities. Through the investigation of similar research efforts and by applying recent advances in Information Technology area, the authors have formulated futuristic application scenarios of KOSDIC format. Among the suggested methods, this paper presents the proposal of KOSDIC-XML. The KOSDIC-XML is an XML based application framework which extends the KOSDIC format by integrating various web technologies. They include channel based XML technology, Webservice framework, and distributed computing. The result of the research will be used for a theoretical framework KOSDIC-XML schema and its prorotype applications at the next phase of this research.