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JaeHan Joo,Jae-Gwang Lee,SangWoo Kim,JaeHan Lee,June-Hee Lee,Kyung-Jae Lee 대한직업환경의학회 2020 대한직업환경의학회지 Vol.32 No.-
Background: We aimed to find the relationship between sleep duration and impaired fasting glucose according to working type in non-regular workers using the 2016 and 2017 Korean National Health And Nutrition Examination (KNHANE, 7th revision). Method: In the 1st and 2nd year (2016, 2017) of the 7th KNHANE, 16,277 people participated. Minors were excluded because this study was intended for individuals aged 19 years and older. As this study was based on wage workers, unemployment, self-employed workers, employers, unpaid family workers, and those who have insufficient answers such as unknown or no response were excluded. Regular workers were excluded because this study was intended for non-regular workers. Finally, a total of 2,168 people were included in the survey, except those who had been diagnosed with diabetes, had a fasting blood glucose level of 126 mg/dL or higher, or taking hypoglycemic agents or receiving insulin injections. To find the relationship between sleep duration and impaired fasting glucose according to work type in non-regular workers, multiple logistic regression analysis was performed by adjusting the general and occupational characteristics after stratification according to work type. All statistical analyses were performed using the SPSS software (version 26.0; SPSS Inc., Chicago, IL, USA). Results: In the case of insufficient sleep duration in irregular female workers, the odds ratio (OR) of impaired fasting glucose was statistically insignificant, but in the case of insufficient sleep duration in irregular male workers who have shift work, the odds ratio (OR) of impaired fasting glucose was significantly higher than that of sufficient sleep duration (Model 1, OR: 3.05, 95% confidence interval [CI]: 1.18–7.90; Model 2, OR: 2.81, 95% CI: 1.08–7.29). Conclusions: Our findings demonstrate that insufficient sleep duration was associated with an increase in fasting blood glucose levels in non-regular male workers working shifts. This means that non-regular workers are in desperate need for adequate sleep and health care. We hope that our study will help improve the health of non-regular workers and more systematic and prospective follow-up studies will be conducted to further improve the health of non-regular workers.
생성적 적대 신경망 기반 치주염 데이터 생성 및 소스 데이터 구성에 따른 데이터 생성 성능 비교 연구
주재한(Jaehan Joo),김석찬(Suk Chan Kim) 한국통신학회 2021 한국통신학회 학술대회논문집 Vol.2021 No.6
본 논문은 식별자의 목적함수를 최적화한 생성적 적대 신경망 중 하나인 WGAP-GP 모델을 활용하여 직접 촬영한 중증 치주염 영상을 생성하고, 식별자 학습에 사용되는 소스 데이터 구성에 따른 영상 생성 성능을 비교 하였다. 사용한 데이터 셋은 양산부산대학교 치과병원으로부터 제공받은 313장의 데이터를 촬영 방향에 따라 분류하여 2개의 소스 데이터 셋을 구성하였다. 첫 번째 데이터 셋은 촬영 방향을 고려하지 않고 제공받은 모든 영상을 사용하였고, 두 번째 데이터 셋은 정면에서 촬영한 영상만으로 구성하였다. 데이터 수, 데이터 구성을 제외한 모든 학습 파라미터를 동일하게 하여 각 소스 데이터 셋에 대한 치주염 영상을 생성하였고, 정면 방향에서 촬영한 데이터로 식별자를 학습할 때 더 정교한 영상이 생성되는 것을 확인하였다.
Human Cell Surface Glycan Mapping using Mass Spectrometry
Hyun Joo An,Mary Saunders,Shuai Wu,Jaehan Kim,Lauren Dimapasoc,Kit S. Lam,Carlito B. Lebirlla 한국당과학회 2011 한국당과학회 학술대회 Vol.2011 No.1
Every cell in an organism synthesizes a heterogeneous array of glycans in the form of various structures. Cell surface glycosylation may play an important role in development and may provide important new sources of markers for differentiation. However, studies regarding the glycosylation of cell surfaces are limited due to the lack of sensitive analytical methods. A mass spectrometry-based method that enables specific detection and quantitation, and acquisition of structural information has been developed. We have mapped cell surface glycans from more than 30 human cell lines including embryonic stem cells, cancer cells, and somatic cell lines. The results represent that specific surface glycomic signatures might have functional implications as well as characteristic features of a specific cell type.