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손미라 ( Son¸ Mira ),김신향 ( Kim¸ Sinhyang ) 한국간호과학회 정신간호학회(구 대한간호학회정신간호학회) 2021 정신간호학회지 Vol.30 No.1
Purpose: The purpose of this study was to explore the experience of self-awareness of nursing students through a short-term overseas language study. Methods: Study subjects were 10 nursing students, and collected data were analyzed with open coding, axial coding, selective coding, and process analysis based on Strauss and Corbin's grounded theory (1998). Results: In total, 23 sub-categories and 12 categories were generated. The 12 categories included "Longing for a bigger world", "Don't want to be intimidated", "Interest in English", "Tension about local classes", "Feeling of pushing the limit", "Getting along with natives", “Making Korean American University students a role model", "Self-observe confronting unfamiliarity", "Self-encourage about enduring hardships", "Self-expansion for a better self", "Recognize self-transformation", "Focusing on the reality". Nursing students' self-awareness experience through a short-term overseas language study was a process of solving the phenomenon of 'feeling of pushing the limit', and a derived core category was 'surpass the feeling of pushing the limit and take a step forward'. Conclusion: Study participants experienced self-awareness. These results will not only expand our understanding about self-awareness of nursing students and educators but will also provide information for developing a short-term overseas study program.
송우정,Mira Choi,Dong Hun Lee,Jae-Woo Kwon,Gun-Woo Kim,Myung Hwa Kim,Mi-Ae Kim,Min-Hye Kim,Byung-Keun Kim,Sujeong Kim,Joung Soo Kim,Jung Eun Kim,Ju Young Kim,Joo Hee Kim,Hyun Jung Kim,Hye One Kim,Hyo-Bin 대한천식알레르기학회 2020 Allergy, Asthma & Immunology Research Vol.12 No.4
Chronic spontaneous urticaria (CSU) is defined as the occurrence of spontaneous wheals, angioedema, or both for >6 weeks in the absence of specific causes. It is a common condition associated with substantial disease burden both for affected individuals and societies in many countries, including Korea. CSU frequently persists for several years and requires high-intensity treatment; therefore, patients experience deteriorations in quality of life and medication-associated complications. During the last decade, there have been major advances in the pharmacological treatment of CSU and there is an outstanding need for evidence-based guidelines that reflect clinical practice in Korea. The guidelines reported here represent a joint initiative of the Korean Academy of Asthma, Allergy and Clinical Immunology and the Korean Dermatological Association, and aim to provide evidence-based guidance for the management of CSU in Korean adults and children. In Part 1, disease definition, guideline scope and development methodology as well as evidence-based recommendations on the use of antihistamines and corticosteroids are summarized.
NF-κB inhibition radiosensitizes Ki-Ras-transformed cells to ionizing radiation
Kim, Bo Yeon,Kim, Kyung A.,Kwon, Osong,Kim, Sun Ok,Kim, Min Soo,Kim, Beom Seok,Oh, Won Keun,Kim, Gun Do,Jung, Mira,Ahn, Jong Seog Oxford University Press 2005 Carcinogenesis Vol.26 No.8
<P>Most cancer cells show resistance to ionizing radiation (IR)-induced cell death. Recently, Ki-Ras was reported to be responsible for the increased radioresistance. We report here that inhibition of IR-induced activaton of nuclear transcription factor kappa B (NF-κB) but not of either Akt or MAPK kinase (MEK), increased the radiosensitization of Ki-Ras transformed human prostate epithelial 267B1/K-ras cells. Proteosome inhibitor-1 (Pro1) reduced NF-κB activation, and this inhibition was accompanied by increased levels of cytoplasmic IκBα and p65/RelA. However, translocation of p50/NF-κB1 did not occur on exposure to IR, suggesting the cell-specific involvement of p50 in radiation signaling. Clonogenic cell survival and soft agar assays further confirmed the increased radiosensitivity of 267B1/K-ras cells by proteosome inhibition. In addition, proteosome inhibition enhanced the IR-induced degradation of apoptotic protein caspases 8 and 3, with the level of antiapoptotic protein Bcl-2 being unaffected, suggesting the involvement of an apoptotic process in IR-induced cell death of 267B1/K-ras cells. LY294002 and PD98059, specific inhibitors of phosphatidylinositol-3-kinase (PI3K) and MEK, respectively however, did not affect the radiosensitization. All these results suggest an application of blocking NF-κB activation pathway to the development of anticancer therapeutics in IR-induced radiotherapy of Ki-Ras-transformed cancer cells.</P>
MicroRNA super-resolution imaging in blood for Alzheimer’s disease
Mirae Lee,Jiwon Woo,Sang Tae Kim,Minho Moon,Sang Yun Kim,Hanna Cho,Sujin Kim,Han-Kyeol Kim,박정윤 생화학분자생물학회 2023 BMB Reports Vol.56 No.3
We propose a novel blood biomarker detection method thatuses miRNA super-resolution imaging to enable the early diagnosisof Alzheimer’s disease (AD). Here, we report a singlemoleculedetection method for visualizing disease-specificmiRNA in tissue from an AD mice model, and peripheral bloodmononuclear cells (PBMCs) from AD patients. Using optimizedMagnified Analysis of Proteome (MAPs), we confirmed that fivemiRNAs contribute to neurodegenerative disease in the brainhippocampi of 5XFAD and wild-type mice. We also assessedPBMCs isolated from the whole blood of AD patients and ahealthy control group, and subsequently analyzed those samplesusing miRNA super-resolution imaging. We detected moremiR-200a-3p expression in the cornu ammonis 1 and dentategyrus regions of 3 month-old 5XFAD mice than in wild-typemice. Additionally, miRNA super-resolution imaging of bloodprovides AD diagnosis platform for studying miRNA regulationinside cells at the single molecule level. Our results present apotential liquid biopsy method that could improve the diagnosisof early stage AD and other diseases.
Oral Supplementation with Cocoa Extract Reduces UVB-Induced Wrinkles in Hairless Mouse Skin
Kim, Jong-Eun,Song, Dasom,Kim, Junil,Choi, Jina,Kim, Jong Rhan,Yoon, Hyun-Sun,Bae, Jung-Soo,Han, Mira,Lee, Sein,Hong, Ji Sun,Song, Dayoung,Kim, Seong-Jin,Son, Myoung-Jin,Choi, Sang-Woon,Chung, Jin Ho Elsevier 2016 The Journal of investigative dermatology Vol.136 No.5
<P>Cacao beans contain various bioactive phytochemicals that could modify the pathogeneses of certain diseases. Here, we report that oral administration of cacao powder (CP) attenuates UVB-induced skin wrinkling by the regulation of genes involved in dermal matrix production and maintenance. Transcriptome analysis revealed that 788 genes are down-or upregulated in the CP supplemented group, compared with the UVB-irradiated mouse skin controls. Among the differentially expressed genes, cathepsin G and serpin B6c play important roles in UVB-induced skin wrinkle formation. Gene regulatory network analysis also identified several candidate regulators responsible for the protective effects of CP supplementation against UVB-induced skin damage. CP also elicited antiwrinkle effects via inhibition of UVB-induced matrix metalloproteinases-1 expression in both the human skin equivalent model and human dermal fibroblasts. Inhibition of UVB-induced activator protein-1 via CP supplementation is likely to affect the expression of matrix metalloproteinases-1. CP supplementation also downregulates the expression of cathepsin G in human dermal fibroblasts. 5-(3',4'-Dihydroxyphenyl)-gamma-valerolactone, a major in vivo metabolite of CP, showed effects similar to CP supplementation. These results suggest that cacao extract may offer a protective effect against photoaging by inhibiting the breakdown of dermal matrix, which leads to an overall reduction in wrinkle formation.</P>
Synthesis of Vinyl Sulfone-tethered Proline Derivatives as Highly Selective Cathepsin S Inhibitors
Kim, Mira,Jeon, Jiyoung,Baek, Jongouk,Choi, Jaeyul,Park, Eun Ju,Song, Jiyeon,Bang, Hyojeong,Suh, Kwee Hyun,Kim, Young Hoon,Kim, Jongmin,Kim, Doran,Min, Kyung Hoon,Lee, Kwang-Ok Korean Chemical Society 2014 Bulletin of the Korean Chemical Society Vol.35 No.2