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위장관의 원발성 B 세포 악성 림프종의 재분류와 bcl-2, cyclin D1, bcl-6 및 p53 발현의 의미
서정균,김태원,김병수,조은택,박찬국,김만우,이미자,전호종 조선대학교 2001 The Medical Journal of Chosun University Vol.26 No.2
Background and Objectives : In recent years, the REAL (Revised European American Lymphoma) classification provided a new category of MALT (mucosa-associated lymphoid tissue) lymphoma and mantle cell lymphoma in B cell lymphomas. We have analyzed the expression of bcl-2, cyclin D1, bcl-6 and p53 and correlated with the subtypes and histologic grade of primary gastrointestinal B cell lymphoma. Also we investigated the usefulness of immunophenotypic features in diagnosis of low grade B cell lymphoma. Materials and Methods : Twenty-two cases of primary gastrointestinal B cell lymphoma were recategorized in low grade MALT lymphoma, low/high grade MALT lymphoma, high grade MALT lymphoma, and diffuse large cell lymphoma according to the morphological findings. We investigated the expression of bcl-2, cyclin D1, bcl-6 and p53 by immunohistochemical method. Results : The bcl-2 protein expression was higher in the low grade MALT lymphoma than in the high grade lymphoma. The cyclin D1 protein expression was negative in all cases. The expression of bcl-6 and p53 protein was negative in all low grade MALT lymphoma. Conclusion : The results suggest that we can differentiate the low grade lymphoma from the high grade lymphoma by immunohistochemical staining for bcl-2, bcl-6, and p53 protien.
이윤수,서광수,서만철 공주대학교 문화재보존과학연구소 2004 문화재과학기술 Vol.3 No.1
충남 부여군 가마터에 대한 고고지자기 연구를 실시하였다. 13개의 가마 시료로부터 구한 특성잔류자화는 열화학작용에 의해서 생성된 자철석에 의해서 수행되며, 가마가 575℃이상 가열된 후 식으면서 그 당시의 지구자기장에 의해서 획득된 것으로 밝혀졌다. 이번 연구에서 구한 특성잔류자화의 그 평균편각과 평균복각은 각각 3.9˚E와 39.4˚ (a_(95)=3.2˚)로서, 한반도의 시험적 영년변화곡선에 대비하여 구한 특성잔류자화의 획득 시기는 서기 1,583년(+44년, -36년)이다. The archaeomagnetic study is examined to determine archomagnetic age of the kiln located in Buyeo area, Chungnam province. The results document that the characteristic remanent magnetization(ChRM) for 13 samples is carried by magnetite grains formed by a thermochemical activity during cooling from more than 575˚C. The Site mean direction (declination and inclination) for the ChRM is 3.9˚E and 39.4˚ (a_(95)=3.2˚). We conclude that the ChRM acquired in A.D. 1,583 (+44 yr, -36 yr), correlating the t-KPSV (tentative Korea Paleoselcular Variation) curve.
박진성,서만수 한국스포츠리서치 2004 한국 스포츠 리서치 Vol.15 No.2
This study was designed to find out that students' attentiveness has an effect on grade by analysing the relationship between grades and attentional ability. The purpose of this study is (1) to find out the difference of a students' attentiveness depending on sex, (2) to find out the difference of students' attentiveness depending on their grades, and (3) to find out the difference of students' attentiveness depending on the career of the students' parents. In this study, a total of 697 girl and boy students in the eastern part of Jeonnam high schools were purposely sampled and asked to answer questionnaires. They were classified into three parts(high, middle, low) by imitation college entrance exam. Dependent variables, which included attentiveness, were measured by TAIS(Test of Attentional Interpersonal Style) Robert M. Nideffer(1976) developed. TAIS consists of 3 positive items and 3 negative items. They were analyzed by SAS program. As a result, means and standard deviations were calculated to do t-test and one-way ANOVA and three-way ANOVA. The results can be summarized as follows : First, in the factor of grades there was a difference between girls and boys. Second, in the factor of grade level there was a difference. Third, there was no difference in the factor of their parents' career.
FDM에서 경사면의 표면과 면적오차법의 관계에 대한 연구
전재억,정진서,황영모,김수광,김준안,계중읍,하만경 한국공작기계학회 2002 한국공작기계학회 추계학술대회논문집 Vol.2002 No.-
In any rapid prototyping process, the layer by layer building process introduces an area error between the staircase and the surface line specified by the computer-aided design model. This affects the dimensional accuracy as well as the surface finish for different part build orientations. This paper describes a methodology for computing the area error for any orientation of the part built by the fused deposition modelling system. This technique can be applied to determine the best build orientation of the part, based on the minimum area error. This technique is verified by comparing the results with the experimental measurements of the area error of the parts built at different orientations.
김명철,이재일,이수진,김종만,황학균,서지민,이영원,김덕환,신상태 충남대학교 수의과대학 동물의과학연구소 2000 動物醫科學硏究誌 Vol.8 No.-
In dorsal laminectomy for the surgical treatment of thoracolumbar disc disease in dog, the bur could slip into the vertebral canal. For the decrease of this probability of danger, osteotome was used with instruments such as bur and rongeur in dorsal laminectomy. At thoracic vertebrae (T10-T11) and lumbar vertebrae (L5-L6) area, dorsal laminectomys were performed in a dog. In observation for 3 months after surgery, the dog revealed healthy physical condition. For the confirmation of healing condition at 3 months after dorsal laminectomy, two surgical sites were exposed by incision. Excellent healing response was observed with no adhesion and fibrosis in the vertebral canal.
좌각차단을 동반한 심부전증 환자에 실시한 양심실 심박조율기 치료 : 증례 보고
김찬욱,차태준,김성만,김민대,권성일,서수홍,최병주,주승재,이재우 고신대학교 의학부 2002 高神大學校 醫學部 論文集 Vol.17 No.1
Epidemiological studies suggest that 30-50% of patients diagnosed with symptomatic congestive heart failure(CHF) have electrocardiographic evidence of a major intraventricular conduction delay, which may worsen left ventricular systolic and diastolic dysfunction through asynchronous ventricular contraction and paradoxical interventricular septal wall motion. Biventricular pacing is an emerging therapy allowing simultaneous electrical stimulation of the both ventricles with an implantable pacing system and it improves hemodynamics and well-being of patient by reducing ventricular asynchrony. Recently, we underwent biventricular DDD pacemaker implantation in a patient with CHF and Left bundle branch block and was significantly improved exercise tolerance and quality of life in that patient.