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Emerging roles of polyunsaturated fatty acid synthesis pathway in colorectal cancer
문영아 한국통합생물학회 2023 Animal cells and systems Vol.27 No.1
The development of colorectal cancer typically involves the accumulated influences of geneticalterations, medical issues, lifestyle, and diet. Dietary fatty acids appear to affect thetumorigenesis and progression of colorectal cancer. Despite conflicting results, the currentconsensus on the effects of very long-chain polyunsaturated fatty acids on colorectal cancer isthat low levels of eicosapentaenoic acid and docosahexaenoic acid, and high levels ofarachidonic acid are associated with an increased risk of colorectal cancer. Altered levels ofarachidonic acid in membrane phospholipids can change the levels of prostaglandin E2, whichaffect the biological activities of cancer cells in multiple stages. Arachidonic acid and other verylong-chain polyunsaturated fatty acids can affect tumorigenesis in prostaglandin E2-independent manners as well, including stabilization of β-catenine, ferroptosis, ROS generation,regulation of transcription factors, and de novo lipogenesis. Recent studies have revealed anassociation between the activities of enzymes synthesizing very long-chain polyunsaturatedfatty acids and tumorigenesis and cancer progression, although the mechanisms are stillunknown. In this study, PUFA effects on tumorigenesis, the endogenous very long-chainpolyunsaturated fatty acid synthesis pathway, metabolites of arachidonic acid and their effectson tumorigenesis and progression of CRC, and current knowledge that supports the associationof the enzymes involved in the polyunsaturated fatty acid synthesis pathway with colorectalcancer tumorigenesis and progression are reviewed.
The SCAP/SREBP Pathway: A Mediator of Hepatic Steatosis
문영아 대한내분비학회 2017 Endocrinology and metabolism Vol.32 No.1
Nonalcoholic fatty liver disease (NAFLD) is strongly associated with insulin resistance, obesity, and dyslipidemia. NAFLD encompassesa wide range of states from the simple accumulation of triglycerides in the hepatocytes to serious states accompanied by inflammationand fibrosis in the liver. De novo lipogenesis has been shown to be a significant factor in the development of hepatic steatosisin insulin-resistant states. Sterol regulatory element binding protein-1c (SREBP-1c) is the main transcription factor that mediatesthe activation of lipogenesis, and SREBP cleavage activating protein (SCAP) is required for the activation of SREBPs. Here, recentanimal studies that suggest SCAP as a therapeutic target for hepatic steatosis and hypertriglyceridemia are discussed.
Simple Purification of Adeno-Associated Virus-DJ for Liver-Specific Gene Expression
문영아,Jingjing Liu 연세대학교의과대학 2016 Yonsei medical journal Vol.57 No.3
Recombinant gene expression using adeno-associated viruses (AAVs) has become a valuable tool in animal studies, as they mediatesafe expression of transduced genes for several months. The liver is a major organ of metabolism, and liver-specific expressionof a gene can be an invaluable tool for metabolic studies. AAV-DJ is a recombinant AAV generated by the gene shuffling of various AAV serotypes and shares characteristics of AAV2 and AAV8. AAV-DJ contains a heparin-binding domain in its capsid, which suggests that a heparin column could be used for the purification of the AAV. Given that AAV-DJ has been only recently available, relatively little is known about the optimal preparation/purification and application of AAV-DJ. Here, we present a simplelarge-scale preparation method that can generate 3×1013 viral particles for in vivo experiments and demonstrate liver-specific gene expression via systemic injection in mice.
주거용 단일유닛 모듈러의 활성화를 위한 국내외 사례연구
문영아(Mun, Young-A),김미경(Kim, Mi-Kyoung),박미정(Park, Mi-Jung) 대한건축학회 2013 대한건축학회논문집 Vol.29 No.10
The purpose of this study is to analyze architectural characteristics of domestic and foreign unit modular housing products for development of affordable housing as case study. A document research and field survey were used to analyze and classify the architectural characteristics of four unit modular housing products, Staco, Muto as domestic, Spacebox and Caledonian of Europe. Based on the results of the critical review, The framework of this study was composed of four dimensions such as ubiquity, flexibility, sustainability and affordability. The results of this study suggest that unit modular housing not only has typical benefits of prefabricated building such as shorter build time and budget reduction, but also can get flexibility, sustainability, affordability and proved quality via mass production. This research can be a basis for the application of the unit modular housing to the affordable housings for college students, further, officer and workers.
임시주거의 개발과 적용을 위한 컨테이너 활용 학생기숙사 사례연구
문영아(Mun, Young-A),김미경(Kim, Mi-Kyoung) 대한건축학회 2013 대한건축학회논문집 Vol.29 No.7
The purpose of this study was to analyze architectural characteristics of student housing, Keetwonen, the name of the biggest container city in the world according to Tempohousing, modular design firm based in Amsterdam, Netherlands, for the development of temporary dwelling space as case study. A document research and field survey were used to analyze and classify the architectural characteristics of the Keetwonen. Based on the results of the critical review, the framework of this study was composed of four dimensions such as habitability, ubiquity, sustainability and affordability. Keetwonen, had good credits in the four dimensions of the framework, showing the potential of sustainable and flexible planning. The results of this study suggest that good conditions of habitability are essential to the residents’ satisfaction and psychological responses. Most of all, social interrelationship among residents need to be encouraged through various community facilities in order to strengthen the residents’ belongings to the community. This research can be a basis for the application of the container architecture to the affordable housings for college students, further, officer and workers.