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음부포진 환자에서 단순포진 바이러스 II 형 ( HSV - 1 ) 의 분리 및 동정
신영오(Yung Oh Shin),강춘(Chun Kang),이홍래(Hong Rae Lee),남상윤(Sang Yun Nam),김정원(Chung Won Kim),홍남수(Nam Soo Hong) 대한피부과학회 1989 대한피부과학회지 Vol.27 No.1
In the present study, we have tried to isolate and identify herpes simplex virus type 2(HSV 2) from clinical specirnens, which were inoculated into Vero cell line and grown. Eight strains of viruses were isolated from 20 suspected cases diagnosed from the pr ivate clinics in Seoul. Viruses isolated from 4 rnale and 1 female cases with active lesion were identified to the HSV 2 by indirect immunofluorescence using monoclonal antibody to HSV-2. In addition, morphology of the isolated viruses were observed under electron microscope.
국내 HIV감염 동성연애자들의 역학적 특징 (1992년)
조영걸,신영오,김영봉,Cho, Young-Keol,Shin, Yung-Oh,Kim, Young-Bong 대한예방의학회 1993 예방의학회지 Vol.26 No.4
In order to investigate psychological and behavioral characteristics of homosexuals and to present evidence that homosexuals are in danger of HIV infection in Korea, this study was done by self-administered questionnaire and then direct interview with the 28 (35%) HIV infected homosexual/bisexuals of 79 HIV infected persons reported in 1992. Homosexuals without heterosexual activity were 9 and the others were bisexuals. Sixty-five percent of respondents had a guilty conscience for their homosexual activty. Twenty (71%) were in twenties and 5 (18%) in thirties. Twelve(43%) were detected via health card checking by health office, 21% by blood donation, 18% by hospital visit, and 7% by partner notification. Motivations for homosexual activity were curiosity (36%), temptation or recommendation (14%) and compulsion (11%). Eighteen (72%) never used condom on anal sex. Nine of 26 respondents had experience for anal sex with foreigners. Fourteen (54%) of 26 respondents had history for sexually transmitted diseases. Fighty percent did not have sexual contact after HIV infection and the others usually used condom. It was confirmed that over 57% of the respondents were infected within 1 year before HIV diagnosis and over 82% within 2 years. These data suggest that HTV infection among homosexual group is rapidly spreading.
장내 유해세균을 억제하는 양돈용 프로바이오틱스 개발을 위한 비피도박테리아 탐색
이재연 ( Jae Yeon Lee ),신영오 ( Yung Oh Shin ),김근 ( Keun Kim ) 한국미생물생명공학회(구 한국산업미생물학회) 2014 한국미생물·생명공학회지 Vol.42 No.3
In order to isolate probiotic lactic acid bacteria possessing high inhibitory activities against porcine and zoonotic pathogens, such as enterotoxigenic E. coli, Salmonella Typhimurium, and Clostridium perfringens, a total of 65 anaerobic strains were initially isolated from a variety of sources including cattle rumen fluids, chicken intestines and swine feces. Four Bifidobacterium strains were selected for their high anti-pathogenic bacterial activities. By using the 16S rDNA sequencing method, three B. boum strains and one B. thermophilum were identified. B. thermophilum demonstrated the best adhesive ability to epithelial cells of swine intestine among the isolates. Indeed, B. thermophilum was seen to have superior characteristics as a probiotic for swine, as judged by their high growth inhibitory activities against various pathogens, and high acid- and bile-tolerance.
한국인 HIV 감염자에서 분리된 HIV-1 Subtype A의 env 유전자 V3-V5 부위의 계통적 분석
이주실,김은영,강춘,남정구,이성래,구본기,신영오,Lee, Joo-Shil,Kim, Eun-Young,Kang, Chun,Nam, Jeong-Gu,Lee, Sung-Rae,Koo, Bon-Ki,Shin, Yung-Oh 대한미생물학회 1999 Journal of Bacteriology and Virology Vol.28 No.1
Phylogenetic analysis was conducted to monitor transmission of HIV and to investigate the genetic structure of primary isolates from 12 HIV-1 subtype A infected Koreans. The individuals infected with subtype A viruses had been diagnosed as HIV-1 seropositives during the period 1987 to 1995 and blood samples have been collected from 1991 to 1997. DNA of each individual was isolated from uncultured or cultured peripheral blood mononuclear cells. V3-V5 (0.7 kb) fragment of HIV-1 env gene was amplified by nested polymerase chain reaction and the PCR products were sequenced. The mean value of the divergence of nucleotide of HIV-1 env V3-V5 fragment was $17.0{\pm}4.06%$ ($8.6{\sim}25.8%$) within HIV-1 subtype A isolates from Koreans. This diversity was higher than those of African isolates ($13.7{\pm}2.66%$). In the phylogenetic tree, Korean subtype A isolates were not grouped together, but intermingled into African isolates. The results of this study suggested that HIV-1 subtype A variants be introduced from multiple sites of Africa into Korea and the big genetic diversity of Korea HIV-1 subtype A isolates may be further influenced by the range of geographic locations in which the infection occurred rather than the elapsed time between infection and collection of samples and the disease progression.
국내 Human Immunodeficiency Virus(HIV) 감염자와 정상인의 면역학적 표지인자 비교연구
최병선(Byeong-Sun Choi),박용근(Yong-Keun Park),류재천(Jae-Chun Ryu),신영오(Yung-Oh Shin) 대한의생명과학회 1995 Biomedical Science Letters Vol.1 No.1
HIV감염자는 질병의 진전에 무관하게 감염 후의 경과시기에 따라서 CD4 T림프세포등 각종 면역상태를 나타내는 표지가 변한다. 따라서 HIV감염자의 질병진전을 예보하기 위하여서는 정기적으로 CD4등 각종표지를 측정하여 감염자의 질병상태를 monitoring하게 된다. 그러나 이러한 수치를 감염자관리에 적용하기 위하여서는 우리나라 일반인의 정상치를 파악하여 이를 지표로 해야하므로 국내정상인의 각종면역치에 대한 조사가 요구된다. 현재의 기준으로는 500이하로 떨어질 때에는 예방차원에서 AZT를 복용하게 되며 200이하로 떨어지면 질병의 유무에 관계없이 환자로 관리하게 된다. 본 연구에서는 한국인 185명의 감염자와 140명의 비감염자에 대하여 장기적으로 CD4 및 CD8T 림프세포와 CD4/CD8비를 측정하였다. 시험은 Flow cytometer(Facstar)를 이용하여 각각의 CD 분자에 대한 모노크로날 항체를 이용하여 2중혈광색소염색방법으로 측정하였다. HIV감염자의 CD4-T림프세포 절대수 및 백분율은 각각 462 및 18.2%이었는 반면, CD8의 수치는 1,170 및 47.0%이었다. 또한 CD4/CD8비는 0.43이었다. 이와는 대조적으로 비감염자의 경우, 한국인의 CD4의 평균 세포수는 886, 백분율은 32.9%이었으며, CD8 세포수는 730, 백분율은 26.8 그리고 CD4/CD8비는 1.31이었다. 외국인과 한국인과의 면역지표수치를 비교하였을 때에 CD4세포수와 백분율, CD8의 백분율에서는 현저한 차이가 없었으나 외국인 비감염자의 경우 CD4백분율이 43.6%, CD8 T림프세포의 절대수가 560으로 한국인과 약간의 차이가 있었다. 따라서 HIV감염자관리를 위한 면역지표측정시험에서의 각종수치의 정확한 해석을 위하여서는 한국인 비감염자수치를 고려해야할 것으로 판단된다. Several studies showed that the immunological factors such as CD4+ cell number, CD4%, CD 8+cell number and CD4/CD8 ratio and the serological factors such as β²-microglobulin(β²-MG), neopterin, soluble CD4, and soluble CD8 are related to the risk of development of AIDS. Especially, the CD4+ cell counts have been used to monitor progresson of HIV disease, to stratify, and to follow patients in clinical trials. Recently, the Centers for Disease Control and Prevention(CDCP) in USA has made the CD4+ cell count as a part of the classification of HIV disease. It is composed of 3 categories such as 1, 2, and 3 which asr ≥ 500/㎣, 200/㎣ ≥ and < 500/㎣, and < 200/㎣, respectively. In this study, to estimate the differences of immunological factors between HIV-infected and normal human groups in Korea, CD4+ T and CD8+ T cells, and the CD4/CD8 ratio were measured in 185 HIV-infected subjects and 140 healthy adult subjects. The lymphocyte subsets such as CD4+ T and CD8+ T were analysed by flow cytometer(FACStar) with two-color immunofluorescent stain using monoclonal antibodies such as anti-CD4 and anti-CD8 antibodies. The absolute numbers and percentages of CD4+ T and CD8+ T and the CD4/CD8 ratio of HIV infected persons were 462±277/㎣, 18.2±7.7%, 1,170±534/㎣, 47.0±10.6% and 0,43±0.26 whereas those of uninfected persons were 886±299/㎣, 32.9±7.0%, 730±259/㎣, 26.8±6.4% and 1.31±0.46(P<0.01). In addition, estimating the reference values of peripheral blood lymphocyte subsets of Korean, the absolute numbers and percentages of CD4+ T and CD8+ T and the CD4/CD8 ratio of 140 healthy adults persons were measured and compared with those of foreigners. The reference ranges of CD4+ T cells, CD8+ T cells, CD4%, CD8%, and the CD4/CD8 ratio and 1.31±0.46, respectively. The significant differences were not observed when compared with those of foreigners. However a little difference was observed in the percentages of CD4+ T and the absolute numbers of CD8+ T between the normal values of Korean and those of foreigners were 43.6±8.9%, 560±230/㎣. This result can also be useful as a basic data for the treatment and surveillance of HIV-infected patients in Korea.