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악성흑색점흑색종 19예에 대한 임상 및 병리 조직학적 연구
홍원진 ( Won Jin Hong ),장홍선 ( Hong Sun Jang ),이상희 ( Sang Hee Lee ),이상은 ( Sang Eun Lee ),정기양 ( Kee Yang Chung ),노미령 ( Mi Ryung Roh ) 대한피부과학회 2016 大韓皮膚科學會誌 Vol.54 No.10
Background: Lentigo maligna melanoma (LMM) is a subtype of melanoma that typically develops on sun-damaged skin. LMM is estimated to comprise 4∼15% of melanomas, but the prevalence is known to be relatively lower in the Korean population than in the Caucasian population. Objective: To review the clinico-pathologic features and treatment outcomes of Korean patients with LMM. Methods: Nineteen patients diagnosed with LMM during 2003∼2015, in the Yonsei University Health System, were included in this study. The age and sex of the patients, lesion location, thickness (Breslow), stage, treatment methods, BRAF, NRAS, and KIT mutation status, and survival rates were analyzed. Results: Among the 19 Korean patients, 11 were male and 8 were female. The median age was 59.2 years. The most common site was the cheek (47.4%), followed by the scalp, eyelid, nose, forehead, lip, and neck. At the time of diagnosis, 13 patients were in localized stages (5 patients, stage 0; 3 patients, stage I; and 5 patients, stage II) and 6 patients were in advanced stages (3 patients, stage III; and 3 patients, stage IV). Patients in the localized stages showed better overall survival (OS) than those in the advanced stages (p=0.012). Nine patients were treated with a wide excision, and 6 using Mohs micrographic surgery. Three patients received high-dose interferon-α therapy; 6, chemotherapy; and 4, radiotherapy. Two patients in stage 0 were treated with topical ingenol mebutate. Two patients had BRAF V600E mutation; 1, NRAS G12R mutation; and 1, KIT mutation. Median OS of the patients was 40.8 months. Conclusion: Our analysis provides additional information about clinical characteristics, treatment, and prognosis of LMM in Korean patients. (Korean J Dermatol 2016;54(10):769∼775)
Jin Tae Hong, Dohee Won1, Mi Hee Park, Sun Mi Kown, Miran Jo, Sang-Yoon Nam, Beom Jun Lee, Young Won Yun, Ki-Wan Oh, Sang Bae Han 충북대학교 동물의학연구소 2011 Journal of Biomedical and Translational Research Vol.12 No.4
The objective of this study was to determine the effect of macrophages on growth of human colon cancer cells. The results showed that co-culture of colon cancer cells with macrophages inhibited the growth of colon cancer cells (HCT116 and SW620) depending on the number of macrophages, RAW 264.7 cells, and activated THP-1 cells accompanied by down regulation of pSTAT3 in cancer cells. We also found that expression and release of cancer cell growth inhibitory cytokines, IL-1 receptor antagonist (IL-1ra) and IL-10, was increased in macrophages. Blocking of the STAT3 pathway with specific inhibitor and siRNA of STAT3 abolished the growth of colon cancer cells and expression of IL-1ra and IL-10. In addition, neutralization of IL-1ra and IL-10 with antibodies resulted in reversal of macrophage-induced inhibition of cancer cell growth. These data showed that IL-1ra and IL-10 released from macrophages inhibit growth of colon cancer cells through inhibition of the STAT3 pathway
홍문엽,박선동,박원환 동국대학교 한의학연구소 1999 東國韓醫學硏究所論文集 Vol.8 No.1
The subject of Abdominal syndrome in the field of Jin Kui Yao Lue takes a quarter of the whole research quantity, and has greatly contributed to the development of diagnoses due to the well-growth of syndrome differentiation through 'the differentiation of symtoms and signs based on prescriptions'-centered abdominals syndrome. Since then, while the diagnostic has been developed mainly in the field of pulse feeling and the inspection of the tongue, application of the abdominal diagnostic has not been continuously improved because of special historical and social environments. Recently, since interest in the differentiation of symtoms and signs based on abdominal syndrome has been raised by emphasis of Oriental diagnostic methods and medical treatment which have led to the study of Abdominal Syndrome in Jin Kui Yao Lue. The following is the results of the study. 1. Jin Kui Yao Lue abdominal syndmme is categorized into all abdominal symptoms Epigastric symptoms, Hypochondrium symptoms, and Lower abdomen symptoms. 2. Subjective symptoms and Objective symptoms have been found in Abdominal syndrome, and Subjective symptoms have been more often than Objective symptoms. Both of the symptoms have been found more to co-exist in abdominal syndromes. 3. More cases of fullness of abdomen symptoms in All abdominal symptoms, a smaller number of cases in Taiyang disease, Yangming disease, disease involving all three yang, Tayin disease and Jueyin disease have been found, but there have not been found in Shaoyin disease. 4. More cases of Epigastric fullness and rigidity in Epigastric symptoms, Epigastirc throbs in Palpitation symptoms, and sense of fullness-in-chest in Abdominal syndrome of chest and hypochondrium have been recognized. 5. Any regularity caused by abdominal symptoms has not been identified. 6. Diagnosis of the abdomen caused by abdominal symptoms has been identified in Epigastric fullness, Epigastric pain, Epigastric procrastination, Epigastric throb, fullness of abdomen and distension of lower abdomen.
홍대선,신중호,정원지,김성철 國立 昌原大學校 産業技術硏究所 1998 産技硏論文集 Vol.12 No.-
In this paper, a double pantograph type manipulator activated by two slider joints is proposed for a fuel handling machine in atomic power plants. The manipulator consists of two parallelogrammic structures considered as simplified 2-DOF linkage systems. The linkage motion is controlled in such a manner that the joint rates of two linkages are constant and the movement of end-effector is horizontal, because the constant joint rates have advantages for the stable movement of the system. In addition, the static deflection of the proposed mechanism was analyzed using a transfer-stiffness matrix method.
홍진표,황순찬,이영문,이선형,신나리,이종일,박종익,장동원,정인원 大韓神經精神醫學會 2008 신경정신의학 Vol.47 No.1
Objectives : There is a increasing need to recruit and retain more psychiatrists who can plan and implement organized programs to work with chronic mentally ill patients in community settings. The aim of study is to discover what training is currently in place to prepare psychiatrist for work in "community" or "public" settings. Methods : Survey questionnaires were mailed to 85 residency training directors and 10 leaders of community mental health in 2005. Response rate was 75%. Results : Academic seminar about community mental health were not administered to residents in 63% of training hospitals. Forty one out of 64 training hospitals had community mental health rotation programs, Community mental health center (50%) and day hospital (36%) were the most common type of programs. Few general hospital had affiliation with community mental health programs. The amount of time for clinical rotation varied from less than three months part time to 6 months fulltime, with most frequent form of one day per week for three month in second or third year of psychiatry residents. Conclusion : Further steps are needed to improve residency training curricula and to encourage well qualified psychiatrist to choose careers in community psychiatry.
제주도 한라산 1100 고지 대기 에어로졸의 조성 및 특성
김원형,강창희,신찬성,고선영,홍민선 濟州大學校 基礎科學硏究所 2003 基礎科學硏究 Vol.16 No.1
The atmospheric aerosols collected at the 1100 site located in Mt. Halla have been analyzed to investigate their compositions and chemical characteristics. The average concentrations of water-soluble cautions were in the order of NH_(4)^(+)>Ca^(2+)>Na^(+)>K^(+)>Mg^(2+) during the spring, showing high increase of Ca^(2+) concentration with the value of 0.60㎍/㎥, and NH_(4)^(+)>Na^(+)>K^(+)>Ca^(2+)>Mg^(2+) during the other seasons. The average concentrations of anions have shown in the order of SO_(4)^(2-)>NO_(3)^(-)>Cl^(-) for all seasons, and SO_(4)^(2-) and NO_(3)^(-) had higher concentrations in spring with the values of 4.84㎍/㎥ and 1.08㎍/㎥, respectively. From the analytical data of size-segregated particles by cascade impactor sampling, the components of NH_(4)^(+), SO_(4)^(2-), NO_(3)^(-) and K^(+) were distributed mainly in fine particles, but Ca^(2+), Na^(+), Mg^(2+) and Cl^(-) were included mostly in coarse particles. The correlation coefficients of nss-SO_(4)^(2-)/NH_(4)^(+), nss-SO_(4)^(2-)/K^(+) and NO_(3)/nss-Ca^(2+) showed quite high values with 0.871, 0.857 and 0.654, respectively. Based on the study of enrichment factors, it is considered that Na^(+), Mg^(2+), Cl^(-) and Ca^(2+) components were delivered from oceanic and soil sources, but SO_(4)^(2-), NO_(3)^(-) and NH_(4)^(+) might have other source origins. The factor analysis study showed the aerosol at the 1100 site was influenced mainly by anthropogenic factors, followed by oceanic and soil factors.
Kwak Kyu‐Won,Aktaruzzaman Md.,Kim Eunsun,Kim Sun Young,Hong Seung‐Beom,Park Ji Yeong,Park Kwanho,Koo Bonwoo,Kim Yong‐Soon 한국곤충학회 2021 Entomological Research Vol.51 No.12
Edible insects are considered novel protein sources, and the edible insect breeding industry is growing rapidly. However, fungal pathogens are a major threat to this industry, and appropriate identification of causative agents is important for the development of antifungal agents. In 2019, strains of the fungal pathogen Metarhizium were isolated from infected second and third instar larvae of the economically important edible insect Protaetia brevitarsis, which were collected from separate farms in Gimhae-si, Gyeongsangnam-do, Korea. Based on morphological characteristics and multilocus phylogenetic analysis of the internal transcribed spacer region, and 50-region of gene encoding the 1-α elongation factor, the fungal strains were identified as Metarhizium majus. Here, we report the detailed phylogenetic characteristics and morphological description of this species, which is prevalent in Korea. Identification of the principal disease-causing agent can help develop disease prevention and antifungal strategies for application in edible insect-rearing farms.