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조은택,박용관,김진호,강정원,천영욱,전익섭,박유환,전춘해 조선대학교 1995 The Medical Journal of Chosun University Vol.20 No.1
Malignant histiocytosis, originally described in 1939 as histiocytic medullary reticulosis by Scott and Robb-Smith, is a rare histiocytic proliferative disorder that often shows an acute onset and used to progress to death within a few months. This disorder characterized clinically by fever, generalized weakness, lymphadenopathy and hepatosplenomegaly, and shows a variable range of pancytopenia. Extranodal involvement is common, with an incidence ranging from 50% to as high as 90%, skin involves8ment was noted in 10% to 15%. Typical skin lesions were mainly founded in extremity. i.e. erythematous papule and nodule occasionally become to necrosis and ulceration. We experienced one case of malignant histiocytosis in a 46-years-old female. The major clinical findings are fever, malaise, hepatosplenomegaly and erythematous skin lesion. In the laboratory study, pancytopenia is noted on the peripheral blood. And also aggregation of many atypical histiocytes were shown on skin and bone marrow biopsy. So we reported one related case with malignant histiocytosis as well as reviewing literature .
김혜숙,윤영임,조은정,최윤희,오미영,김영관 江原大學校 産業技術硏究所 2001 産業技術硏究 Vol.21 No.A
This research was carried out to find out the possibility of using Faraday's law in analyzing the electrocoagulation system. Bench-scale reactor equipped with aluminum electrode plates was operated using synthetic wastewater which received sodium chloride for conductivity adjustment. Phosphate was added to the wastewater to induce the precipitation with Al. The amount of aluminum dissolved from the electrodes could be predicted by Faraday's law with a difference less than 5%. This difference was greater at a higher electric current, probably due to the increased solution temperature. However, effect of pH on the dissolution of the aluminum was negligible. The result of this study suggested that the operating condition of electrocoagulation system could be developed using the Faraday's law when the pollutant concentration is given.
Cho Eun-Yeong,Cho Jung-Eun,Lee Eun-Bin,Yoo Seung Soo,장중현 대한결핵및호흡기학회 2023 Tuberculosis and Respiratory Diseases Vol.86 No.1
Background: Umeclidinium/vilanterol (UMEC/VI; ANORO ELLIPTA, GSK) is a commonly used dual bronchodilator. This study evaluated the safety and effectiveness of UMEC/VI in Korean patients with chronic obstructive pulmonary disease (COPD) over a 6-year period.Methods: This was an open-label, multicentre, observational, post-marketing surveillance study. A total of 3,375 patients were enrolled consecutively in 52 hospitals, by 53 physicians, between July 2014 and July 2020. Patients who were administered UMEC/VI (fixed-dose 62.5 μg/25 μg) at least once and were monitored for safety and effectiveness were included in the analysis. Incidence and severity of adverse events (AEs) reported after administrating at least one dose of UMEC/VI were monitored, including unexpected adverse events (UAEs) and adverse drug reactions (ADRs). Effectiveness of UMEC/VI after 24 weeks of administration was also assessed using physician’s evaluation (effective, ineffective/no change, worsening, indeterminable) and lung function improvement.Results: Of 3,375 patients, 3,086 were included in the safety assessment group (mean age±standard deviation: 69.76±8.80 years; 85.9% male [n=2,652]; 73.1% aged ≥65 years [n=2,255]). The overall incidence of AEs was 28.8% (n=890), of which 2.2% (n=67) were ADRs. Serious AEs and UAEs were reported in 181 (5.9%) and 665 (21.6%) patients, respectively, and two patients (<0.1%) reported unexpected severe ADR. Of the 903/3,086 patients analysed for effectiveness, most (82.8%, n=748) showed overall disease improvement after UMEC/VI treatment.Conclusion: This study confirmed UMEC/VI administered to Korean patients according to the prescribing information was well-tolerated and can be considered an effective option for COPD treatment.
Eun Yeong Cho,Ae Jin Kim,Ji Yong Jung,Jeong Yeal Ahn,Suk Young Kim,Jae Hoon Lee 순천향대학교 순천향의학연구소 2016 Journal of Soonchunhyang Medical Science Vol.22 No.1
Paroxysmal nocturnal hemoglobinuria (PNH) is a hematologic disorder characterized by complement-mediated hemolysis leading to severe complications, such as life threatening thrombosis. Eculizumab, a humanized anti-C5 monoclonal antibody, has dramatically improved outcomes of patients with PNH. Despite this new revolutionary treatment, clinical information regarding eculizumab use in pregnant women with PNH is limited. A 30-year-old female with PNH underwent acute aggravation of PNH presented with acute kidney injury (AKI) triggered by an infectious event. After the stabilization of AKI with supportive care and later continuous eculizumab use, a planned pregnancy was attempted and achieved because she and her spouse wanted to have a baby. We monitored the patient carefully throughout her pregnancy with 100 mg/day of aspirin and the maintenance of 900 mg of intravenous eculizumab every 2 weeks. She remained stable during pregnancy and a successful delivery was achieved without maternofetal complication.
Lipids Induce Release of Tumor-Promoting Exosomes from Hepatocellular Carcinoma Cells
( Eun Ju Cho ),( Hyo Yeong Lee ),( Joon Yeul Nam ),( Young Chang ),( Hyeki Cho ),( Young Youn Cho ),( Jeong-hoon Lee ),( Su Jong Yu ),( Yoon Jun Kim ),( Jung-hwan Yoon ) 대한간학회 2017 춘·추계 학술대회 (KASL) Vol.2017 No.1
Aims: Hypoxia enhances lipid droplets accumulation by HIF-dependent mechanism, leading to intra-tumoral fatty metamorphosis which is one of the characteristics of early-stage hepatocellular carcinoma (HCC). We investigated whether lipids and lipids-induced exosomes released from HCC cells can induce a tumor-promoting phenotype. Methods: Human HCC cell lines (Huh-7, SNU-761, and SNU-3058) were incubated with oleic acid (OA) or control vehicle. The released exosomes were isolated, quantified, and applied to HCC cells. Results: Incubation of Huh-7 and SNU-761 cells with OA increased proliferation and migration of cells in a fatty-acid binding protein 3 (FABP-3) dependent manner, whereas SNU-3058 cells did not respond to OA. Furthermore, OA upregulated FABP-3 mRNA expression in Huh-7 and SNU-761 cells, whereas its expression in SNU-3058 cells did not change. OA enhanced release of exosomes from Huh-7 and SNU-761 cells, and exosomes collected form these cells upregulated proliferation and invasion of cells. However, this was not observed in SNU-3058 cells. Exosomes released from OA-treated cells were reduced by the inhibition of rho-associated, coiled-coil-containing protein kinase 1 (ROCK1) or FABP-3. Conclusions: These findings suggest that lipids induce release of exo-somes containing unique cargoes from HCC cells in a FABP-3 dependent manner, which may induce the progression of HCC.
Statin therapy is more effective in early stage of chronic kidney disease patients
( Eun Yeong Cho ),( Ae Jin Kim ),( Han Ro ),( Jae Hyun Chang ),( Hyun Hee Lee ),( Wookyung Chung ),( Ji Yong Jung ) 대한내과학회 2015 대한내과학회 추계학술발표논문집 Vol.2015 No.1
Background: Chronic kidney disease (CKD) is a major risk factor for the development of cardiovascular disease (CVD). Statin treatment is known as one of options to reduce the risk of CVD. However, it is still uncertain if statin treatment affects the renal progression and outcomes in CKD patients. The aim of this study was to determine the effect of statin treatment in CKD patients on clinical outcomes. Materials and Methods: We retrospectively reviewed CKD patients who visited to Gachon University Gil Medical Center with renal problems from 2003 to 2013. From a total 14497 CKD patients, 858 statin users were paired with 1: 1 with non-users for analysis using propensity sore matching. The primary endpoint was the all-cause mortality. Secondary endpoints are renal progression including doubling of serum creatinine and renal death. We also analyzed the data from stratification to find out the interactive factors for composite outcomes (doubling of creatinine doubling, renal death and all-cause mortality). Results: Statin was prescribed for 13.5% of study subjects. Statin treatment associated hazard ratios (HRs) [95% confidence intervals (CIs)] for all-cause mortality were 0.655 (0.502-0.855) in the unmatched cohort and 0.537 (0.297-0.973) in the matched cohort. In analyses for secondary outcomes, HRs (95% CIs) for the doubling of serum creatinine levels was significant only in patients with eGFR (estimated glomerular filtration rate) ≥ 30 mL/min/1.73 m2 were 0.744 (0.635-0.873) in the unmatched cohort and 0.767 (0.596-0.986) in the matched cohort. The HRs (95% CIs) for composite outcomes among those with and without eGFR ≥ 30 mL/min/1.73 m2 were 0.764 (0.613-0.952) and 1.232 (0.894-1.697), respectively (p for interaction, 0.017). Conclusions: These results suggest that statin treatment in early stages of CKD patients may useful related to renal progression and all-cause mortality. Further evaluation is needed to find out if early administration of statin in CKD patients improves the outcomes.
이영은(Yeong-Eun Lee),박지명(Ji-myung Park),조영복(Yeong-bok Cho) 한국정보통신학회 2019 한국정보통신학회 여성 ICT 학술대회 논문집 Vol.2019 No.10
홍채 이미지를 위해 사용되는 카메라는 현재 고가이며 사용적인 부분에서 제한점이 많고 소프트웨어와의 연동에 불편함을 가지고 있다. 또한 홍채를 촬영 시 발생하는 빛 반사는 이미지 분석에 정확한 ROI추출에 어려움을 주고 있고, 혼자서 스스로 홍채 이미지 촬영시 영상획득에 많은 어려움을 가지고 있다. 따라서 본 논문에서는 스스로 홍채 촬영이 가능한 안경형 홍채 카메라 구조를 제안한다. 제안 방식은 소프트웨어와 밀접한 기능성을 제공하는 일체형 홍채카메라를 개발하여 혼자서도 홍채 촬영시 흔들림이나 초점 불일치 등 문제를 해결 할 수 있어 영상 분석시 분석결과의 높은 정확도를 보인다. Now day cameras used for iris image are some problem theat a expensive, have many limitations in their use and uncomfortable with software connections. Also, light reflection that occurs when taking iris poses difficulty in image analysis, and it is difficult to obtain images when taking iris image alone. Therefore, in this paper, an eyeglass-type iris camera structure that can be filmed by itself is proposed. The proposed method can solve problems such as shaking or focusing inconsistencies when filming iris by developing an all-inclusive iris camera that provides functionality close to the software, thus showing high accuracy in analyzing the results of video analysis.