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The Role of Sirtuin-2 in Tubular Forming Activity of Human Umbilical Vein Endothelial Cells (인간 제대혈 유래 혈관내피세포의 혈관 튜브 형성능에 미치는 Sirtuin-2 (SIRT2)의 역활)

  • Jung, Seok Yun;Kim, Chul Min;Kim, Da Yeon;Lee, Dong Hyung;Lee, Kyu Sup;Kwon, Sang-Mo
    • Journal of Life Science
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    • v.23 no.1
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    • pp.131-136
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    • 2013
  • Sirtuin proteins have emerged as important modulators of several age-associated diseases. These include cancer and diabetes, as well as cardiovascular and neurodegenerative diseases. Among the sirtuin family members, SIRT2 mRNA is strongly expressed. To investigate the pathophysiological significance of SIRT2 as a primary regulator of angiogenesis, we focused on the biological role of SIRT2 under hypoxic conditions, examining the gene expression pattern of sirtuin family members in human umbilical vein endothelial cells (HUVECs). SIRT2 was expressed primarily in the cytoplasm, but it was dynamically trans-localized in the nuclear by hypoxia stimuli. Interestingly, both SIRT2 and the pro-angiogenic factor, VEGF, were up- regulated by hypoxia. A Matrigel assay demonstrated that the HUVECs formed a tube-like structure under hypoxia. The SIRT2 inhibitor, AK-1, significantly decreased the tube-forming activity of the HUVECs under either normoxia or hypoxia conditions. These findings suggest that SIRT2 might be a key regulator of angiogenesis.

Volatile Flavor Components of Angelica gigas Nakai by the Storage Conditions (저장조건에 따른 당귀의 정유성분 변화)

  • Choi, Sung-Hee;Kim, Hye-Jung
    • Korean Journal of Food Science and Technology
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    • v.32 no.3
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    • pp.513-518
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    • 2000
  • Volatile flavor components of Angelica gigas Nakai affected by different storage time and temperature were investigated. The aroma compounds was extracted by a simultaneous distillation and extraction method using a Likens and Nickerson's apparatus. The concentrated extract was analyzed and identified by GC and GC-MS equipped polar and nonpolar column. The yields of volatile concentrates of Angelica gigas Nakai by low temperature storage were larger than those by room temperature storage. The GC patterns of the flavor components of both resembled but the peak area of each flavor compounds was little different. Main volatile flavor components of Angelica gigas Nakai by using polar column were ${\alpha}-pinene$, ${\beta}-pinene$, terpineol, farnesol, cadinene, guaiol, isolongifolene and eudesmol etc. Main volatile flavor components of Angelica gigas Nakai by using nonpolar column were camphene, ${\beta}-pinene$, elemol, eudesmol etc.

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Antioxidative Activity of Volatile Compounds in Flower of Chrysanthemum indicum, C. morifolium, and C. zawadskii (감국, 국화 및 구절초 꽃 휘발성 성분의 항산화활성)

  • Woo, Koan-Sik;Yu, Jung-Sik;Hwang, In-Guk;Lee, Youn-Ri;Lee, Chul-Hee;Yoon, Hyang-Sik;Lee, Jun-Soo;Jeong, Heon-Sang
    • Journal of the Korean Society of Food Science and Nutrition
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    • v.37 no.6
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    • pp.805-809
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    • 2008
  • The objective of this study was to compare the aroma characteristics and antioxidant activity of Chrysanthemum indicum Linne (CIL), C. morifolium Ramat (CMR) and C. zawadskii var Latilobum (CZL). The volatile compounds were extracted by simultaneous steam distillation extraction and identified with gas chromatography/mass spectrometer. The major volatile compounds of Chrysanthemum sp. were camphene, 1,8-cineole, benzene, pinocarvone, bicyclo-2,2,1-heptan-2-ol, ${\beta}$-caryophyllene, 3-cyclohexen-1-ol, ${\gamma}$-curcumene, zingiberene and ${\beta}$-bisabolene. The DPPH radical scavenging activity (EDA, %) of volatile compounds in CIL, CMR and CZL were 30.57, 46.36, and 51.72%/g sample, respectively. The ascorbic acid equivalent antioxidant capacity (AEAC) of volatile compounds were 34.99, 35.31, and 38.48 mg AEAC/g, respectively.

Verification of Target Position in Stereotactic Radiosurgery Based on Photon Knife System (Photon Knife 시스템에 근거한 뇌정위 방사선수술에서 표적위치 확인)

  • 최태진;김진희;김옥배
    • Progress in Medical Physics
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    • v.14 no.2
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    • pp.99-107
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    • 2003
  • This study was performed to prepare the verification film for localizing beam-target position with the Photon Knife radiosurgery system (PKRS) using linear accelerator(Mitsubishi, Model ML-15MDX). We developed a laser calibration system using a reticle of transparent lucite to detect Inlet and outlet beams. We verified fixation of the second collimator with film mounted on a holder in the shape of an octagon block 5cm apart from the isocenter. The film was exposed to photon beams of linear accelerator at an interval of 45 degrees during the gantry movement. There were no shifts in the beam of the second collimator during gantry movement. We used a position marker which is designed a head-shaped small lead block and a 10 mm in diameter of steel bead in the plastic tube. The position marker helped to verify the beam directions with patient position in multi-arc and trans-multi-arc of PKRS The verification of beam alignments showed an average 0.8$\pm$0.26 mm discrepancy in LINAC-gram images of PKRS. In our study, the couch movement was $\pm$5 mm laterally, while it shook $\pm$ 2 mm toward the couch axis. The couch, however, was immediately returned to the initial site after shaking. Thus, we postulate that the beam-target position(s) should be verified with LINAC-gram in a stereotactic radiosurgery system to achieve the accuracy of beam-target alignment.

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A Study on Multi-modal Transport Logistics Network Buildup of Harbors in Gangwon in the North Pole Route Era (북극해 항로시대와 강원권 항만의 복합운송 물류네트워크 구축전략에 관한 연구)

  • Kim, Jae-jin;Lee, Kwang-keun;Jo, Jin-haeng
    • Journal of Korea Port Economic Association
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    • v.32 no.4
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    • pp.109-126
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    • 2016
  • This study investigates the initiatives of Gangwon sea routes based on precedent studies on the North Pole route to suggest a multi-modal buildup of transport logistics network of Gangwon harbors for the strengthening of logistics efficiency in the Korean Peninsula. The findings were: First, the government should expand railway infrastructure in Gangwon. Second, harbors in Gangwon should each have one speciality to strengthen connection with other harbors by using railway oriented background transportation network. Third, the government should develop industries of EFEZ(East coast Free Economic Zone) in the East Sea Coast in Gangwon to connect resources from the North Pole Sea. Fourth, the government should invite the base of Araon Ho's polar research vessel to play the role of the North Pole Sea route in the near future. Fifth, the government should strengthen the role of the Samcheock LNG base under construction. SIxth, environment-friendly transportation technology should be introduced to reduce carbon emission as much as possible. Lastly, an optimum North Pole logistics route should be developed to connect the Metropolitan area(Metropolitan Economic Zone), Gangwon roads and railway, Gangwon habor, Trans-Siberian Railway and thw North Pole route, and Europe, to strengthen national foreign trade power in the near future.

Une étude sur la politique de la culture cinématographique: Une analyse comparée de la politique cinématographique entre Corée du Sud et France (영화문화정책 연구: 프랑스와 한국의 영화정책 비교를 통해)

  • JEON, Byoungwon
    • Trans-
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    • v.2
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    • pp.131-160
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    • 2017
  • Si on examine le bilan 2014 du CNC en France et celui du KOFIC en Corée du Sud, on peut s'apercevoir que l'éhelle industrielle cinématographique des deux pays est très similaire. On peut découvrir quelques chiffres à propos des résultats de l'industrie cinématographique dans ce bilan comme le nombre d'entrées, la recette des guichets, le nombre de production qui sont très similaires. La part de marché pour les films nationaux des deux pays augmente fortement en 2014. Mais ces chiffres de marché pour les films nationals sont les résultats obtenus dans les situations trés différentes des deux pays. En ce cas, la différence entre les deux pays vient d'où? Il en résulte de la politique de la culture cinématographique pour 'la sensibilisation du film comme une culture' des deux pays. Ceci est la partie la plus importante de la différence, qui est également visible dans la politique de la culture de France et de Corée du Sud. Depuis quelques années, le cinéma coréen se développe considérablement, à l'intérieur comme à l'extérieur du pays. Cependant, ce succès masque un certain déséquilibre de l'industrie cinématographique. On se rend compte également de la concentration du pouvoir par la monopolisation des grandes entreprises qui fonctionnent selon le principe de l'intégration verticale, et qui contrôlent toute la chaîne du marché cinématographique, de l'investisse111ent à la diffusion en passant par la production et la distribution. Il est impossible de trouver une solution dans des conditions défavorables où le phénomène du fort accaparement de l'industrie cinématographique coréenne est couplé avec à une logique industrielle de libéralisation du marché. Pour résoudre la monopolisation de l'industrie cinématographique coréenne, qui pose des problème décisifs et partials sur le marché, il va falloir une politique équilibrée de la promotion de la culture cinématographique menée par le KOFIC (Korean Film Council) qui est une organisation financée par le gouvemement. On voudrait proposer une politique de la culture cinématographique qui serait adaptée à la politique du cinéma de la Corée du Sud, à travers des recherches sur la situation actuelle ainsi que l'analyse comparée cles politiques du cinéma entre Corée du Sud et France.

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A Study on the Expression Characteristic of Objects: Focusing on the Works of William Forsythe (윌리엄 포사이드(William Forsythe) 작품을 통해서 본 오브제(Object)의 활용과 표현 특성 연구)

  • KIM, TaeHee
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    • v.2
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    • pp.161-190
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    • 2017
  • As times progress, creative change is achieved by attempts to embrace different needs. These attempts are expressed as the form of an Object which pulls down the barriers of genre between art. There is now in fact difficult to find a work that doesn't contain the characteristic of an Object. The necessity of this study is that it tries to approach an Object with a holistic perspective and understand it as a single system. It also tries to analyze the roles that an Object's characteristic and expression and the research ways they influence the dance work by contemplating the aesthetic discussion process of an Object in the art field. Also, by researching the characteristics of expression and how Objects stimulate a dance work, this study will take an important part in developing the dance works. Based on this necessity, this research choose the works of William Forsythe, (2006), (2009), (2009) which clearly depicts the expression characteristics of an Object. It is noted that the usage of an Object maximized creativity and brought expansion of expressions in a dance performance by using diverse mediums, body actions and even nonmaterial components without losing the essence of a dance. As a result, this usage of an Object provides theories that bring the enlargement of expression and suggests various ways to overcome the limits of other existing dance works.

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A Study on Convergence Appeared in the Work of Wim Vandekeybus Blush (유럽현대무용에 나타난 융복합 작품 연구 : 빔 반데키부스(Wim Vandekeybus)작품 <블러쉬 Blush> 중심으로)

  • WOO, Hyejoo
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    • v.2
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    • pp.191-210
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    • 2017
  • The purpose of this study is verifying whether convergence does its role as a transfer medium in dance expression or not, finding the effect of convergence characteristics and confirming whether it would bring change and new creation in performance art or not. This study suggests that studies on convergence in dance are required in accordance with the trend of time. This study believes that convergence is a modern art expression method, which can maximize the artistic expression in dance work and it will play an important role in the advance of dance works. There are ongoing studies on convergence art genre by many creators; however, still academic study this matter is not sufficient. Therefore, it is believed that more studies on convergence genre from the viewpoint of human studies are required. Accordingly, this study took Blush, the dance art works of Wim Vandekeybus, as the subject of study because convergence is clearly visible in these works. It is possible to draw convergence from these works because the works attempt new creation and utilize image by accommodating other genre art in dance art. The convergence in these works maximizes the originality of choreography and expands the time and space of stage through various effects. In other words, it is possible to see that Wim Vandekeybus is doing new attempts in his dance works by experimental elements, which escaped from simple movement, and convergence appears in the works.

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A Study of the Film Director's Status and Role on the Basis of French Director's Contracts (프랑스영화감독계약서에서 본 감독의 지위와 역할)

  • ROH, Chul-Hwan
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    • v.2
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    • pp.75-94
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    • 2017
  • The film director is the responsible for artistic quality of the film. In Hollywood, the director considered as a technician only visualizes the given scenario. In the 1950s, young critics of the Cahiers du cinéma, who were at the center of Nouvelle Vague, re-qualified some Hollywood directors, for example Alfred Hitchcock, Howard Hawks and John Ford. They are considered "auteurs(authors)" because their films have their own styles. In France, the word "auteur-directoir" is often used in the film production. It refers to the person who writes the original screenplay of a movie. Auteur's legal definition of copyright is set out in Article L.111-1 of the Intellectual Property Code: "the auteur of a work of the mind enjoys the work by reason only of its creation, of an exclusive intangible property right and opposable to all. On the other hand, in the definition of producer, it is the natural or legal person who takes the initiative and responsibility for the realization of the work according to Article L. 132-23 of the same code. We study here the competence and responsibility of the French director as an "auteur" by consulting the two types of contract: director-technician and author-director. We rant to offer a reflection on the position of the film director and the relationship between the director and the producer.

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A Study of the Funding Policy to Strengthen Cultural Content in the Arts and Media: Considering the Adoption a Group Writing System like that Used by US TV Shows Creators, such as a 'Storytelling Factory' (문화콘텐츠의 글로벌경쟁력 강화를 위한 선(先)지원정책연구: 미드 시스템을 기초로 한 '스토리텔링 제작소'의 가능성)

  • BYUN, Daniel H.
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    • v.2
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    • pp.95-130
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    • 2017
  • In the 21st century, developing cultural industry is an important issue world-wide. Since the Kim Daejoong government, Korea has focused on cultural industry development and has thereby treated it as one of the basic, necessary industries. Therefore, the industry is being supported both financially and politically. This policy nurtured the development of quality and quantity within the cultural content industry. However, most of the reports and studies about Korean cultural content have shown it is still not strong enough to compete with leading countries in the field. Competitiveness of storytelling is especially weak. The goal of this study is to find the best direction for the funding policy to strengthen competitiveness in storytelling. Analysing the policies of the No Moo-hyun and Lee Myoung-park governments, we can see that they primarily focused on developing infrastructure in investment and the distribution environment. Support for producing content and distribution follows after confirmation of results. Moreover, policies for the support of developing ideas within culture content are vertical. Currently in the industry, a person or company decides how and where to use the moneys available for investment in the development of content. However, we need to invest more directly, initial funding is required. We analysed the market, studying its activity, achievement and limitations. As a result, we suggest a 'Storytelling Factory' like the group writing system adopted by US TV Shows.

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