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Southern Blot Hybridization법을 이용한 악성 림프종의 면역유전형에 관한 연구
전호종,기근홍,김윤신,이미숙,이미자,장원재,장숙진,박영진,정춘해,정종훈,양성훈,이광민 조선대학교 1994 The Medical Journal of Chosun University Vol.19 No.2
Immunogenotyping using gene rearrangement analysis has emerged as a precise laboratory aid in the diagnosis and classification of malignant Iymphoid neoplasms. The lineage and clonality of the malignant Iymphoid neoplasms can be identified by the demonstration of rearrangements of antigen receptor genes of the immunoglobulin and T-cell receptor genes. The analysis of the gene rearrangements on the malignant Iymphoid neoplasms are also useful as a sensitive unique clonal markers to detect early recurrence in patients with malignant Iymphoid neoplasms after treatment. To analyze the sensitivity and specificity of gene rearrangements in the diagnosis of malignant Iymphoid neoplasms. 24 cases of malignat Iymphoma were examined by Southern blot hybridization using CTβ-T cell receptor β chain gene-DNA probe and JH-immunoglobulin heavy chain gene-DNA probe. The results of the immunogenotypings using Southern blot hybridization disclosed high correlation between the immunophenotyping using immunohistochemical stain with monoclonal antibodies (B-cell Iymphoma 84.2%. T-cell Iymphoma 75% ). The analysis of the gene rearrangement of the angioimmunoblastic lymphadenopathy(AILD) and unclassifiable Iymphoma using immunohistochemical stain could resolve the monoclonality and lineage . Rearranged bands to the CTβDNA probe were observed in one case out of 2 cases of AILD. One case of unclassifiable Iymphoma showed rearranged bands to the CTβ DNA probe. There were no rearrangements in reactive follicular Iymphoid hyperplasia and paracortical Iymphoid hyperplasia. In conclusion, DNA gene rearrangement study should be applied to differentiate the clonality and cell lineage in the malignant Iymphoma with indistinctive immunophenotype.
북한 이탈주민의 외상후 스트레스장애에 대한 3년 추적연구
홍창형,유정자,조영아,엄진섭,구현지,서승원,안은미,민성길,전우택 大韓神經精神醫學會 2006 신경정신의학 Vol.45 No.1
Objective : This study is a follow-up of a first survey of 200 North Korean defectors who entered South Korea in 2001. The purpose of this study is to examine changes in the current prevalence of partial PTSD and full PTSD after 3 years and to evaluate related factors. Methods : This study followed up on 151 of the 200 North Korean defectors from our first survey. 20 interviewers conducted face-to-face interviews and assisted defectors in completing a self-report assessment. The traumatic events which participants with chronic PTSD and delayed onset PTSD experienced were then examined. Results : Over the 3 years, the current prevalence rate of partial PTSD was reduced from 31.8% to 5.3%, and the current prevalence rate of full PTSD was reduced from 27.2% to 4.0%. Of particular interest was that 88.8% of those diagnosed with full or partial PTSD in the first survey had recovered after 3 years. Conclusion : The current prevalence rate of partial and full PTSD rapidly decreased during 3 years.
치주인대세포 배양에서 estrogen이 growth hormone receptor의 발현유도에 미치는 영향
홍성규,전영미,김정기 대한치과교정학회 2000 대한치과교정학회지 Vol.30 No.4
본 실험은 사람의 치주인대세포에서 에스트로겐과 growth hormone(GH)이 상호 어떠한 작용을 하는지를 규명하는 것이 목적이다. 교정치료를 받고자 내원한 환자중에서 건강한 20대 여자환자들의 상하악 제1소구치를 발거하여, 치근의 중간 1/3부위에서 긁어모은 치주인대 조직을 배양하여 치주인대세포를 얻었다. 사람의 치주인대세포의 분열증식에 대한 17β-estradiol과 hGH의 효과를 평가하고, 치주인대세포에 17β-estradiol을 전처리한 후 치주인대세포의 분열증식에 미치는 hGH의 효과 변화를 평가하였으며, 치주인대세포에 17β-estradiol을 전처리 하였을 경우 치주인대세포에서 hGH receptor의 발현 양상의 변화를 평가하여 다음과 같은 결론을 얻었다. 1.17β-estradiol이나 human growth hormone의 단독처리는 사람의 치주인대세포의 분열증식에 큰 영향을 주지 않는다. 2.17β-estradiol 10-12M로 전처리한 후 hGH를 투여한 경우 hGH의 농도에 관계없이 사람의 치주인대세포의 분열증식을 증가시킨다. 3.사람의 치주인대세포에는 hGH receptor가 없으나, 17β-estradiol 10-12M로 6시간 이상 처리하면 hGH receptor가 발현된다. 4.hGH이 사람의 치주인대세포의 분열증식에 미치는 효과는 hGH receptor의 발현과 관련이 있으며, 17β-estradiol의 전처리가 치주인대세포에서의 hGH receptor의 발현에 기여함으로써 hGH이 치주인대세포에 작용할 수 있도록 해준다. The present studies were performed to investigate the interaction of 17β -estradiol and human growth hormone(hGH) on the proliferation of human periodontal ligament(hPDL) cell. The independent effects of 17β-estradiol and hGH on hPDL cell proliferation were investigated and the effects of hGH on hPDL cell proliferation after 17β-estradiol pre-treatment were also investigated. Lastly, the change of hGH receptor expression in hPDL cell after 17β-estradiol pre-treatment were investigated. The obtained results were as follows; 1.The treatment of 17β-estradiol or hGH had no significant effects on hPDL cell proliferation. 2.After pre-treatment of 17β-estradiol, hGH stimulated the proliferation of the hPDL cell, regardless of hHG concentration. 3.Although there was not hGH receptor in the hPDL cell, hGH receptors were expressed in hPDL cell after more than 6 hours pre-treatment of 17β-estradiol. 4.The effect of hGH on hPDL cell proliferation was related to the hGH receptor expression. 17β -estradiol pre-treatment contributed to the hGH effects on the hPDL cell by stimulating hGHR expression.
전원선,이상철,김현정,배상병,김찬규,이남수,박노진,이규택,박성규,홍대식,박희숙,원종호 순천향의학연구소 2007 Journal of Soonchunhyang Medical Science Vol.13 No.2
Thymoma is associated with myasthenia gravis, Pure red cell aplasia, and autoimmune diseases such as autoimmune hemolytic anemia, aplastic anemia, and hypogammaglobulinemia. It's association with aplastic anemia is rare and aplastic anemia appearing after surgical removal of thymoma is especially rare. The authors hereby report a case of aplastic anemia occuring in a patient who was diagnosed with thymoma and myasthenia gravis and had the tumor surgically removed. The patient was treated with anti-thymocyte globulin, cyclosporin, and prednisolone, and showed partial remission with hematologic improvements after 12 months.
김승한,전종완,강진성,김찬환,정재홍 大韓成形外科學會 1990 Archives of Plastic Surgery Vol.17 No.5
Prevention of traumatic neuroma has been the subject of extensive since early in the nineteenth century. Odier described this enlargement which develops at the distal end of proximal segments of peripheral nerves after partial or complete transsection. However, there seems to be no unanimity of opinion regarding the treatments of nerve at the time of severed injury. Ligating the proximal end of such a nerve, implanting it into muscle or born, resecting it, injecting it with a sclerosing agent or capping it with a silicone cuff are commonly used at the present time. Petropoulos introduced a nitrogen mustard as a sclerosing agent to prevent the neuroma. Tupper and Booth reported funniculecomy and epincurial ligation with satisfactory result obtained in many patients. However there is no commonly acceptable method. The authers carried out animal studys to find out the better operative procedure to prevent the traumatic neuroma. The sciatic nerve of the rat was exposed under the operating microscope and resected about 1㎝ from the end of the divied portion. Eighty rats were divided into 4 groups by a technique to differentiate management of the severed proximal nerve ends, that is, a control group, a nitrogen mustard injected group, a epineurial ligation group and a combined group(epineurial ligation following the injection of nitrogen mustard). The wound was closed with 4-0 black silk. Three months later, the wound was reopened and the presence of neuroma was observed grossly and microscopically. The results were as follows : 1) The proximal portion of the severed nerve in the combined group were tapered to the end and neuromas were hardly seen grossly. 2) The diameters of minifascicle and the numbers of nerve fibers of the combined group were the smallest and fewest compared with others(p<0.05). 3) The combined group took only 2 to 3 minutes more than the others, but it was better method. The authors found the superiority of this latter method, epineurial ligation following nitrogen mustard injection in the severed end, compaired with the others.
악성림프종 환자에서 복합화학요법으로 유발된 백혈구 감소증에 대한 인형 재조합 과립구 집락형성-촉진인자(rhG-CSF: Neutrogin)의 효과
박성규,전진우,기신영,유병우,김홍수,백승호,원종호,홍대식,박희숙 순천향의학연구소 1995 Journal of Soonchunhyang Medical Science Vol.1 No.1
Clinical effects of rhG-CSF were investigated in 17 patients receiving chemotherapy for non-Hodgkin's lymphoma. Patients were given G-CSF 2㎍/㎏/day after 2nd cycle chemotherapy for least 14 consecutive days, and clinical and laboratory results were compared to results of the first cycle. Treatment with G-CSF resulted in increase of mean WBC count(952.9±152.2㎜³vs 1882.4±350.4/㎜³) and neutrophil count(212.9±53.0/㎜³vs 841.5±238.0/㎜³), reduced the duration of leukocytopenic days(12.4±1.3 days vs 5.5±1.0 days, WBC count less than 4000/㎜³) and neutropenic days(4.5±0.9 days vs 2.3±0.7 days, neutrophil count less than 500/㎜³), and reduced the duration of neutropenic fever(5.8±1.1 days vs 0.9±0.5 days). The side effects of G-CSF were not so significant. These results demonstrated that G-CSF is safe and useful for the treatment of neutropenia induced by anticancer chemotherapy of non-Hodgkin's lymphoma and reducing the incidence of febrile periods and duration of antibiotic administration.