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정상인(正常人) 혈청(血淸)의 Propionibacterium acnes Serotype I 및 Serotype II에 대한 항체(抗體)
최철순,서용열,양용태,Choi, Chul-S.,Seo, Yang-Y.,Yang, Yong-T. 대한미생물학회 1979 大韓微生物學會誌 Vol.14 No.1
Antibodies to Propionibacterium acnes(Corynebacterium parvum) serotype I and serotype II in normal human sera were measured using a microtitre bacterial agglutination test. Of 168 sera tested, 53 sera(31.0%) exhibited higher agglutinin titres to serotype I than to serotype II and 34 sera(20.2%) gave higher titers to serotype II than to serotype I. Eighty-one sera(48.3%), however, showed similar antibody titres to both types. Antibodies to serotype I(x) and serotype II(y) showed high correlation(r=0.73, p<0.01) and regression equation was Y=1,078+0.73X. The mean antibody titre($log_2$) of 529 normal sera(male 447 and female 82) to serotype I was $5.49{\pm}1.36$, but there was no significant difference between male($5.45{\pm}1.36$) and female($5.74{\pm}1.36$). Bacterial agglutinin to Propionibacterium acnes in normal sera belonged to a 2-mercaptoethanol resistant IgG class.
Mycobacterium fortuitum-chelonei complex 및 신속발육 Mycobacteria 10개 균집합체의 거대집락형태
최철순,전호진,양용태,Choi, Chul-Soon,Jeon, Ho-Jin,Yang, Yong-Tae 대한미생물학회 1986 大韓微生物學會誌 Vol.21 No.3
We developed a giant colony test system with rapidly growing mycobacteria by stab-culture with a loopful inoculum of cells into Middlebrook 7H10 agar medium containing soluble extracts of the fruits of Gardenia jasminoides(7H10-crocin agar medium) and assessed the significance of the giant colony test with 28 strains of 10 clusters of rapidly growing mycobacteria classified by the simple biological 5-test characters. Of the 10 clusters of mycobacteria tested, some of strains which belonged to cluster No. 1a, 5a and 11a did grow as gravis types, whereas most of other clusters gave mitis or intermedius types in their colonial sizes at 12 days culture. By this test, pathogenic strains of M. fortuitum-chelonei complex which belonged to cluster No. 5a, b, 7a and 8a, b could be divided into gravis, intermedius and mitis colony types and the gravis ones were characterized by bluish-white "mushroom-shaped" colonies with central complexes in the texture, whereas the intermedius gave grayish-white "flower-shaped" colonies with radiated folds, but without any central complexes. The mitis colonies were characterized by grayish-white smooth or smooth mucoid colonies and were common among the clusters in their shapes. The colony of M. chelonei was bluish-white mitis type and was characterized by its hilly rhizoid colony. The gravis colony of cluster No. 1a identified as M. phlei was characterized by yellow "round straw- mat-shaped" or "chrysanthemum-shaped" colony with whole complexes in the texture, and the gravis colonies of the cluster No. 11a gave grayish-white "flower-shaped" colonies with central stamens, radiating trough and fine cup-shaped strands in the texture. The four colony types of pathogenic species of M. fortuitum-chelonei complex on 7H10-crocin agar medium were distinctive from those of other clusters of rapidly growing mycobacteria and these results indicated that the giant colony test, in conjunction with the simple 5-test characters, would be of value in the differentiation of M. fortuitum complex from other clusters of rapidly growing mycobacteria.
최철순,김재학,윤용덕,Choi, Chul-soon,Kim, Jae-hak,Yoon, Yong-dhuk The Korean Society of Veterinary Science 1984 大韓獸醫學會誌 Vol.24 No.1
Tuberculin(HCSM) 반응유우 60두에 대하여 가열살균처리한 우결핵균에서 얻은 PPD-BS tuberculin을 이용한 추벽피내재검사법과 석탄산살균처리한 우결핵균에서 얻은 SFA tuberculin을 이용한 경측피내재검사법간의 민감성과 특이성을 비교하였다. 또한 SFA tuberculin과 현행 조형 PPD(PPD-A) tuberculin을 이용한 비교검사법의 가치를 판독기준에 따라 분석하였다. 병소우군에서 PPD-BS와 SFA tuberculin간에 민감성은 차이가 없었으나 무병소우와 감염우동거군에서 SFA tuberculin은 PPD-BS tuberculin에 비하여 비특이반응이 현저히 낮았다(P<0.01). SFA와 PPD-A를 이용한 비교검사법은 판독기준에 따라 가양성반응과 가음성반응에 크게 영향을 주었으며, 피내반응차이 4mm를 판독기준으로 할 때 병소우와 무병소우를 감별할 수 없었다. 이 연구에서 SFA tuberculin은 PPD-BS에 비하여 병소우에서 민감성간에는 차이가 없었으나 무병소우에서 특이성이 현저히 높았다는 점으로 보아 앞으로 HCSM tuberculin 반응우에 대한 재검사는 현행 PPD에서 SFA tuberculin으로 대체함으로써 비특이반응우를 더욱 감소시킬 수 있다는 것을 의미한다.
폐결핵 또는 유사폐결핵환자의 객담에서 분리된 Mycobacteria 제II군(암발색균)의 균종동정
최철순,신성수,정상인,양용태,김상재,배길한,Choi, Chul-Soon,Shin, Sung-Soo,Chung, Sang-In,Yang, Yong-Tae,Kim, Sang-Jae,Bai, Kill-Han 대한미생물학회 1985 大韓微生物學會誌 Vol.20 No.1
Species of scotochromogenic mycobacteria of Group II isolated from sputa of patients with pulmonary tuberculosis and tuberculosis-like diseases from 1979 to 1984 were identified by simple biochemical tests using. nitrate reduction, Tween-80 hydrolysis, arylsulfatase and urease test, and serotypes of the isolates belonging to M. scrofulaceum were differentiated by bacterial agglutination test. Of 39 strains. tested, 11(28.2%) proved to be M. scrofulaceum, 15(38.5%) M. flavescens and 13(33.3%) M. gordonae. But none of the isolates belonged to M. szulgai and M. xenopi known as major pathogens of mycobacteria of Group II. Of 11 strains of the isolates identified as M. scrofulaceum 3 strains(27.3%) each belonged to serotype 41 and 42, and 4 strains(36.4%) belonged to serotype 43, but one strain was not typable because of its inagglutinability by any one of the type specific sera. In addition, the sensitivity and specificity of rabbit immune sera against type strains of serotype 41, 42 and 43 of M. scrofulaceum were analysed by bacterial agglutination test. In the sensitivity of microplate test with 11 isolates of M. scrofulaceum, a comparative tandem test using 2 units and one unit of absorbed antisera against three serotypes appeared to be superior to a conventional microplate test using one unit of type specific antisera.
최철순,양용태,Choi, Chul-Soon,Yang, Yong-Tae The Korea Society for Microbiology 1981 大韓微生物學會誌 Vol.16 No.1
보체결합반응은 감염초기의 항체검출에 대한 민감성이 높기 때문에 사람과 동물의 만성질환, 특히 매독, 브루셀라병. 결핵병, ?냑鵝뵉퓌鑿?, 클래미디아감염증, 마이코플라스마감염증, 콕시오이드병, 히스토플라스마병 등의 면역학적진단수기와 예방관리를 위한 전염병학적연구목적에 흔히 사용된다. 그러나 검사혈청이 항보체성 또는 친보체성을 갖는 경우는 특이항체를 검출할 수 없는 단점을 갖고 있다. 그러므로 이 연구에서는 친보체성분을 갖는 돼지혈청을 항보체성 사람, 토끼 및 소혈청에 보강하여 특이 항체검출을 위한 민감성과 특이성에 관한 기초실험을 실시하였다. 결핵에 감염된 사람, 토끼 및 소혈청중에 높은 항보체작용이 있는 혈청에 친보체성 돼지혈청을 보강할 때 결핵균(다당체 및 단백질항원)에 대한 특이항체가 검출되었다. A direct complement fixation test supplemented with procomplementary porcine serum was studied using anticomplementary human, rabbit and bovine serum against Mycobacterium tuberculosis. Procomplementary activity of porcine serum varied with porcine individual and affected by anticomplementary antiserum. The procomplementary titre of porcine serum against rabbit, human and bovine serum ranged from 1:5 to 1:40. By means of complement fixation test supplemented by porcine serum, the specific complement-fixing antibody to both tuberculopolysaccharide and/or tuberculoprotein antigen was readily differentiated from the anticomplementary antibody titre.
최철순,Choi Chul-soon 대한수의사회 2002 대한수의사회지 Vol.38 No.9
Recently, biological weapons (BWs) prepared with pathogenic microorganisms, toxins and biological vectors have been used maliciously for biological warfare, bioterrorism and/or agroterrorism by hostile countries and terrorists. In this review, historical background of disease and malicious use of BWs pathogenicity of microorganisms, advanced methodology involved in laboratory diagnosis, and prevention and control of anthrax (Bacillus anthracis), plague (Yersinia pseudotuberculosis subs. pestis), glanders (Burkholderia mallei), and smallpox (Variola virus) which have been abused for biological warfare or bioterrorism were discussed. In addition, the pathogenicity of microorganisms and the methodology needed to diagnose and control 6 diseases identified by WHO/CDC, ie., smallpox, inhalation anthrax, pneumonic plague, botulism, tularemia, and hemorrhagic fevers that would wreak havoc if terrorists successfully disseminated the germs by air were described.