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허진,김주항,Huh, Ginn,Kim, Ju-Hang 한국기술사회 1997 技術士 Vol.30 No.5
한국기술사회와 일본기술사회가 자매결연을 맺은지 30여 년이 지나고 있다. 그 동안 상호간의 정보교환으로 도움을 받고 또 주고 있는 가운데 격년별로 양국간을 왕래하면서 개최되는 한일 Symposium은 해를 거듭할수록 좋은 결실을 맺고 있다. 따라서 한국기술사회가 主管하고 있는 FEISEAP 관계를 일본에서는 어떻게 대처하고 있으며 일본기술사회에서 주관하고 있는 APEC HRD 관계는 어떻게 하고 있는지, 상호협조에 대한 협의사항과 일본기술사회의 기술사 자격시험운영실태 등에 대하여 간추려보고자 한다.
CD5와 Cytokeratin 7에 음성이고 Cytokeratin 13에 양성인 흉선 편평상피세포암
박무석 ( Park Mu Seog ),정재호 ( Jeong Jae Ho ),노태웅 ( No Tae Ung ),손주혁 ( Son Ju Hyeog ),김영삼 ( Kim Yeong Sam ),장준 ( Jang Jun ),정경영 ( Jeong Gyeong Yeong ),김주항 ( Kim Ju Hang ),김성규 ( Kim Seong Gyu ),신동환 ( Sin D 대한결핵 및 호흡기학회 2001 Tuberculosis and Respiratory Diseases Vol.51 No.3
급성백혈병에서 다제약제내성 인자(P-glycoprotein)의 표현과 치료예측
정현철 ( Jeong Hyeon Cheol ),한지숙 ( Han Ji Sug ),고은희 ( Go Eun Hui ),이선주 ( Lee Seon Ju ),김주항 ( Kim Ju Hang ),노재경 ( No Jae Gyeong ),고윤웅 ( Go Yun Ung ),김병수 ( Kim Byeong Su ) 대한내과학회 1993 대한내과학회지 Vol.44 No.3
Background : The complete remission rate of the first induction chemotherapy is 60~80% in acute leukemia. Most patients who achieve complete remission will ultimately relapse within the first year and are much less responsive to the therapy with a brief second remission in a minority. Acquisition of drug resistance in cellular level is the major cause of treatment failure. Therefore, the identification of the mechanisms of drug resistance is an important goal of current treatment. One mechanism that has been extensively studied in vitro is a multidrug resistance (MDR) mediated by P-glycoprotein which is the product of the MDR1 gene, but there is a little information on it`s clinical application. Methods : In order to find out the suitable method for detecting MDR, and furthermore, to see if the detection of MDR can be used in predicting treatment results, here, the existence of MDR1 amplification/overexpression in DNA, RNA and P-glycoprotein level was studied. Results : P-glycoprotein overexpression by immunohis-tochemical staining method was more sensitive (55.4%) than KNA amplification (0.0%) and mRNA overexpression (7.7%) in detecting MDR in acute leukemic patients. The incidence of P-glycoprotein overexpression was higher in relapsed (78.6%) and in refractory patients (88.9%) than in initial state (33.3%). There was a tendency of low complete remission rate in patients with primary P-glycoprotein overexpression. The incidence of acquired P-glycoprotein overexpression was 71.4%. When comparing the correlation between the P-glycoprotein overexpressin and the clinical results, the predictability for th treatment failure in P-glycoprotein overexpressing patients was acceptable (84%), but the predictability for the remission in P-glycoprotein non-expressing patients was low (54%). These predictability were similar to the predictability for drug resistance by comparing the correlation between the P-glycoprotein overexpression and in vitro cytotoxic assay results; the predictability for drug resistance to adriamycin in P-glycoprotein overexpressing patients was acceptable (75%), but the predictability of drug sensitivity in P-glycoprotein non-expressing patients was low (57%). Combination of verapamil and cytotoxic drug reversed MDR in 33.3% for adriamycin and 16.7% for vincristine in P-glycoprotein overexpressing patents. Conclusions : These results suggest the P-glycoprotein by immunohistochemical staining method could be a useful method for predicting treatment results. However, the low predictability for the remissionn in P-glycoprotein non-expressing patients, suggested by some other drug resistance mechanisms, can be overcome by combination with in vitro cytotoxic assay. This fact might contribute to the better treatment results in acute leukemia by optimization of drug selection.
폐암에 의한 악성 흉막삼출환자에서 OK-432와 Doxycycline 흉막유착술의 비교
정재호 ( Jeong Jae Ho ),박무석 ( Park Mu Seog ),정재희 ( Jeong Jae Hui ),김영삼 ( Kim Yeong Sam ),장준 ( Jang Jun ),김주항 ( Kim Ju Hang ),곽승민 ( Gwag Seung Min ),김성규 ( Kim Seong Gyu ),김세규 ( Kim Se Gyu ) 대한결핵 및 호흡기학회 2002 Tuberculosis and Respiratory Diseases Vol.52 No.6
양상중질유를 원료로한 신제품 개발실용화를 위한 조사연구
김주항,허동섭,강호근 한국고무학회 1985 엘라스토머 및 콤포지트 Vol.20 No.2
Heavy residual fuel oils is a mixture of reduced crude from crude unit, bottom products from vacuum and/or catalytic cracking unit with distillate to meet the specification and generally used as heavy fuel oil for large combustion engines, boilers, etc…. But this study was made to investigate heavy residual fuel oils for using as industrial raw material and resulted the following possiblities as valuable raw material as well as heavy fuel oil. 1) Production of straight asphalt through vacuum distillation unit. 2) Using straight asphalt from vacuum distillation unit for manufacturing of blown asphalts, cut back asphalts, emulsified asphalts and asphalt compound, rubber/asphalt sheet, etc…. 3) Using waxy oil side streams for manufacturing of raw oil to be lube oil base stocks through solvent dewaxing. 4) Production of lube base oils and rubber process oils from dewaxed raw oil through chemical treatments, 5) Manufacturing of paraffine wax from slack wax to be produced as by product of dewaxing process.
원발성 종격동 악성 기형종에 속발된 급성 골수성 백혈병 1 예
김병수,고은희,이선주,한지숙,김주항,서창옥,고윤웅,박시훈,김귀언 대한내과학회 1986 대한내과학회지 Vol.31 No.3
We had experienced a case of acute myelogenous leukemia following primary medistinal malignant teratoma. The patient received chmotherapy and radiotherapy, but chemotherapy or radiotherapy dose not appear to be causally associated with the development of the nematologic malig nancy. The germ cell tumor may be the site of origin of the myelogenous leukemia or may serve as a source of growth factors which promote the proliferation of a leukemic clone in a susceptible host. Although the precise pathogenosis of the relation between these rare two tumors is unclear, the totipotent nature of malignant germ cell tumors may be involved.