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Effect of occult blood in feces on the risk of psoriasis: a nationwide population based cohort study
( Gang Min Go ),( Hyo Eun Park ),( Yu Jin Jung ),( Ju Hee Han ),( Hyun Jung Lee ),( Mi Ri Kim ) 대한피부과학회 2020 대한피부과학회 학술발표대회집 Vol.72 No.1
Background: The fecal immunochemistry test (FIT) has been proposed as a surrogate marker of intestinal inflammation. Psoriasis is a chronic inflammatory skin disease linked to inflammatory conditions, including psoriatic arthritis, cardiovascular disease, and inflammatory bowel disease. Objectives: To investigate the association between occult blood in feces, as indicated by a positive FIT result, and the risk of psoriasis in a South Korean population. Methods: We enrolled 1,395,147 individuals (> 50 years old) from the National Health Insurance System database who underwent health examinations from 2009 to 2012 and were followed up until December 31, 2017. We performed a Cox proportional hazards regression to calculate the association with the risk of psoriasis of the number of positive FIT results. Results: The incidence (1,000 person-years) of psoriasis was 3.76 vs. 4.14 (negative vs. positive FIT group) during a median follow-up of 6.68 years. Individuals with a greater number of positive FIT results were at higher risk of psoriasis. In the multivariable-adjusted model, the hazard ratios and 95% confidence intervals for psoriasis were 1.029 (0.997-1.061) for one positive FIT result, 1.118 (1.04- 1.201) for two positive FIT results, and 1.342 (1.157-1.557) for three positive FIT results compared with negative FIT results. Conclusion: Fecal hemoglobin is associated with an increased risk of psoriasis. The number of positive FIT results was linearly associated with the risk of psoriasis.
Hormone Replacement Therapy and Psoriasis Risk: A Nationwide Population-Based Cohort Study
Go Gang Min,Oh Hyun Ju,Han Kyungdo,Kim Yeong Ho,Lee Hyun Ji,Lee Ji Hyun 대한의학회 2023 Journal of Korean medical science Vol.38 No.49
Background: Hormone replacement therapy (HRT) is used to relieve menopause symptoms, but has been reported to be associated with coronary heart disease and cancers in women. However, a link between HRT and psoriasis has yet to be established. The aim of this study was to determine the association between HRT and the risk of psoriasis. Methods: We executed a nationwide population-based study. A total of 1,130,741 postmenopause women were enrolled in the national health care insurance database based on the enrollment criteria. The study population was classified into four groups based on the duration of the HRT, and the risk of psoriasis was analyzed. Results: The incidence rates of psoriasis per 1,000 person-years were 3.36 and 4.09 in the no history of HRT and ≥ 5 years of HRT, respectively. After adjustment for age, smoking, alcohol intake, regular exercise, body mass index, diabetes mellitus, hypertension, and dyslipidemia, the most prolonged duration of the HRT group (≥ 5 years) exhibited significantly increased risk of developing psoriasis (hazard ratio, 1.22; 95% confidence interval, 1.16–1.29). Conclusion: We propose that HRT in post-menopausal women is associated with an increased likelihood of psoriasis development.
공공봉사동기가 조직시민행동에 미치는 영향: 공직만족도를 통한 자기효능감의 매개된 조절효과를 중심으로
고대유(Go, Dae Yoo),김강민(Kim, Gang Min) 서울행정학회 2021 한국사회와 행정연구 Vol.32 No.2
공공봉사동기와 조직시민행동은 공무원의 무사안일과 복지부동을 극복하고 공익을 실현하는 중요한 대안으로 평가된다. 그러나 공공봉사동기와 조직시민행동의 관계를 분석한 연구는 제한적이며, 이 관계를 체계적으로 입증할 다양한 요인들도 강구가 되어야 한다. 이 연구는 공공봉사동기와 조직시민행동의 관계를 분석하고 ‘동기→태도→행동’ 관점에서, 공직만족도의 매개효과를 검증하고자 한다. 또한 개인적 특성의 차이에 주목하고, 모형 변수간의 간 관계를 자기효능감이 조절할 것이라 가설을 설정하여 실증분석하였다. 연구 목적 달성을 위해, 한국행정연구원의 2019년 「공직생활에 대한 인식조사」데이터를 활용하며, 표본은 총 4,111개이다. 주요 분석결과, 공공봉사동기가 조직시민행동에 직 · 간접적으로 긍정적 영향을 미치는 것으로 확인하였다. 간접적 영향력은 공직만족도가 이 둘의 관계를 매개하여 발생한 것이다. 그러나 자기효능감이 높을수록 ‘공공봉사동기→공직만족도→조직시민행동’의 긍정적 효과는 둔화됨을 확인하였다. 이상 분석결과를 토대로 이론적 · 정책적 함의점을 도출하였다. Public Service Motivation and Organizational Citizenship Behavior are important variables for realizing public interest by overcoming Working Attitudes of Civil Servants and Immobility. However, studies analyzing the relationship between Public Service Motivation and Organizational Citizenship Behavior are limited. Variables are also needed to systematically explain this relationship. This study analyzes the relationship between Public Service Motivation and Organizational Citizenship Behavior and examines the mediating effect of public service satisfaction from the perspective of ‘motivation → attitude → behavior’. It also pays attention to differences in individual characteristics. It is assumed that Self-efficacy will moderate this model. This study utilizes data from the 2019 “Perception Survey on Public Life” by the Korea Institute of Public Administration A total of 4,111 samples were obtained. The main analysis results are as follows. Public Service Motivation had a positive effect directly or indirectly on Organizational Citizenship Behavior. The indirect influence is that Public Service Satisfaction mediated two variables. However, as the sense of Self-efficacy was higher, the positive effect of ‘Public Service Motivation→Public Service Satisfaction→Organizational Citizenship Behavior’ was weakened. Based on the above analysis results, theoretical and policy implications were derived.
사삼산화철 기반의 소립자시약(Small Particle Reagent)의 접착면 잠재지문 현출 효과에 영향을 미치는 요인
김선민(Sun-Min Kim),고강석(Gang-Seok Go),이슬비(Seul-Bi Lee),유제설(Je-Seol Yu) 한국콘텐츠학회 2016 한국콘텐츠학회논문지 Vol.16 No.8
강력범죄사건에서 발견할 수 있는 증거물인 테이프는 접착면에 지문이 쉽게 유류될 수 있다. 청 테이프에 유류된 지문을 현출하고자 사삼산화철(Fe<SUB>3</SUB>O<SUB>4</SUB>)기반의 Small Particle Reagents(SPR)를 사용하여 SPR의 제조비율 및 현출에 영향을 주는 요인에 대해 연구하였다. SPR이 지문현출에 영향을 주는 요인은 제조시 첨가되는 분말의 양, 계면활성제의 양, 계면활성제의 HLB(hydrophile-lipophile balance)에 의해 영향을 받는다. 증류수 100ml를 기준으로 분말의 양은 0.5g~1.0g일 때 융선에 적절한 양이 흡착되었으며 계면활성제의 양은 0.5ml이상이면 배경에 흡착된 분말들을 잘 씻어냈다. 또한 계면활성제의 HLB가 배경과 융선과의 대조비를 높이는 중요한 요인이었으며 유류된 지문의 지질 성분을 융해시키지 않는 11~18사이의 HLB가 뛰어난 현출력을 보였다. Latent fingerprint left on the adhesive sides of tapes can be easily found at a crime scene. Small Particle Reagents(SPR) based on iron oxide(Fe<SUB>3</SUB>O<SUB>4</SUB>) is a technique for the detection of a latent fingerprint adhesive surface. In this study, found out that the causes affecting the quality of the fingerprints developed when used SPR based on iron oxide. To a suspension of 0.5g of iron oxide in 100ml of distilled water, 0.5ml or more surfactant were added can be developed latent fingerprints of good quality. In addition, using surfactants HLB(hydrophile-lipophile balance) value of 11~18 showed good contrast to the background and latent fingerprint.
( Gwang Woong Go ),( Sangnam Oh ),( Miri Park ),( Gyoungok Gang ),( Danielle Mclean ),( Han Sul Yang ),( Min Ho Song ),( Young Hoon Kim ) 한국미생물 · 생명공학회 2013 Journal of microbiology and biotechnology Vol.23 No.11
In mice, supplementation of t10,c12 conjugated linoleic acid (CLA) increases liver mass and hepatic steatosis via increasing uptake of fatty acids released from adipose tissues. However, the effects of t10,c12 CLA on hepatic lipid synthesis and the associated mechanisms are largely unknown. Thus, we tested the hypothesis that gut microbiota-producing t10,c12 CLA would induce de novo lipogenesis and triglyceride (TG) synthesis in HepG2 cells, promoting lipid accumulation. It was found that treatment with t10,c12 CLA (100 μM) for 72 h increased neutral lipid accumulation via enhanced incorporation of acetate, palmitate, oleate, and 2- deoxyglucose into TG. Furthermore, treatment with t10,c12 CLA led to increased mRNA expression and protein levels of lipogenic genes including SREBP1, ACC1, FASN, ELOVL6, GPAT1, and DGAT1, presenting potential mechanisms by which CLA may increase lipid deposition. Most strikingly, t10,c12 CLA treatment for 3 h increased phosphorylation of mTOR, S6K, and S6. Taken together, gut microbiota-producing t10,c12 CLA activates hepatic de novo lipogenesis and TG synthesis through activation of the mTOR/SREBP1 pathway, with consequent lipid accumulation in HepG2 cells.
Periodontitis and risk for psoriasis: A nationwide cohort study
( Ju Hee Han ),( Gang Min Go ),( Hyo Eun Park ),( Yu Jin Jung ),( Ji Hyun Lee ),( Mi Ri Kim ) 대한피부과학회 2020 대한피부과학회 학술발표대회집 Vol.72 No.1
Background: Periodontitis is a chronic inflammatory disorder involving the periodontium. The precise nature of the association between periodontitis and psoriasis and its underlying mechanism have not been determined. Objectives: This nationwide population-based study investigated the relationship between periodontitis and risk for psoriasis. Methods: A health screening database, which is a sub-dataset of the Korean National Health Insurance Service database, was used in this study. Patients (≥20 years old) who underwent health screening from January 2009 to December 2009 were included. Results: We identified 1,063,004 patients with periodontitis and 8,655,587 patients without it. In multivariable analysis, compared to the non-periodontitis group, patients with periodontitis had a significantly higher risk of developing psoriasis (hazard ratio, 1.116; 95% confidence interval, 1.101-1.13). Non-smokers with periodontitis exhibited an 11% increase in risk for psoriasis and smokers with periodontitis exhibited a 26.5% increase in the risk for psoriasis copmpared to non-smokers without periodontitis. Diagnosis of periodontitis and psoriasis were made according to diagnostic codes without a detailed review of medical charts. Conclusion: Our study highlights periodontitis as a potential independent risk factor for psoriasis, increasing awareness of the role of periodontitis in the pathogenesis and comorbidities of psoriasis.