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난소 과자극 증후군과 뇌하수체 잔류선종을 가진 산모에서 발생한 범하수체기능저하증
정상인 ( Sang In Chung ),권용순 ( Yong Soon Kwon ),조지형 ( Ji Hyoung Cho ),문점용 ( Jum Yong Moon ),이방현 ( Bang Hyun Lee ),오영미 ( Young Mi Oh ),김성훈 ( Sung Hoon Kim ),채희동 ( Hee Dong Chae ),김정훈 ( Chung Hoon Kim ),강병 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.11
Ovarian hyperstimulation syndrome (OHSS) is one of the most serious complication of controlled ovarian hyperstimulation (COH) and ovulation induction. High serum estradiol concentration can induce the increase of capillary permeability and fluid shift, an
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.
자궁강내 인공수정 및 체외수정시술 후의 임신 성적 예측에 있어서 혈중 인간 융모성 성선자극호르몬 베타 소단위 수치의 효용성
황종윤 ( Jong Yun Hwang ),정상인 ( Sang In Chung ),조지형 ( Ji Hyoung Cho ),윤규욱 ( Kue Wook Yoon ),이방현 ( Bang Hyun Lee ),오영미 ( Young Mi Oh ),김성훈 ( Sung Hoon Kim ),채희동 ( Hee Dong Chae ),김정훈 ( Chung Hoon Kim ),강병 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.12
Objective : To clarify specific serum beta-human chorionic gonadotropin (β-hCG) levels on 11 days after intrauterine insemination (IUI) and in vitro fertilization-embryo transfer (IVF-ET) that could predict live birth. Methods : Three hundred ninety-two p
조직아교를 이용하여 Hydroxyapatite 에 부착된 연골세포의 배양
이은우,강수용,장의찬,정상인,이상엽 ( Eun Woo Lee,Soo Yong Kang,Eui Chan Jang,Sang In Chung,Sang Yup Lee ) 대한슬관절학회 1995 대한슬관절학회지 Vol.7 No.2
Chondrocytes were obtained from femoral condyle of the rabbits and were cultured in the hydroxyapatite (HA) block with tissue glue. Scanning electron micrographs showed that outer surface and the inside of pores of HA were fiUed with cultured cells, and specific morphologic characteristic of chondrocyte was maintained after cultivation for 2 weeks. This composite grdt was implanted into osteachondral defect in the patellar groove of the rabbit femur to examiae the biologic effect of HA to the cultured chondrocyte. Hyaline-like cartilage matrix surmundirig the cells was present as early as 2 weeks implantation. The defect was filled with hyaline-like cartilage, HA was partiaIly resorbed in which the chondrocyte underwent hypertrophic degeneration toward bone formation. This results suggest that HA has a role of biocompatible carrier to transport the chondrocytes and this composite graft may be useful for the treatment of osteochondral defect.
Shikonin에 의한 지방세포형성 억제과정에서의 유전자 발현 연구
이해용(Haeyong Lee),강련화(Ryunhwa Kang),정상인(Sang-In Chung),조수현(Soo Hyun Cho),오동진(Dong-Jin Oh),윤유식(Yoosik Yoon) 한국생명과학회 2009 생명과학회지 Vol.19 No.11
천연생약 자초의 한 성분인 shikonin은 항염증, 항암 및 항비만 등 다양한 분야에 효과를 보여왔다. 이번 연구에서는 shikonin이유도하는 adipogenesis억제 과정에 어떤 인자들이 작용하는지 살펴보았다. Shikonin의 효과에 대한 분자적 메커니즘을 규명하기 위해, real-time PCR을 이용하여 C/EBPs, PPARγ를 포함한 다양한 adipogenesis 인자들의 mRNA 발현량을 분석하였다. 그 결과, 초기 분화의 주요 조절자인 C/EBPβ와 C/EPBδ는 shikonin에 의해 거의 변화가 없었으나, 후기 분화의 주요 조절자인 PPARγ와 C/EPBα의 mRNA 발현은 유의하게 감소하였다. Shikonin에 의한 adipogenesis억제의 메커니즘을 좀 더 자세히 밝히기 위해 adipogenesis과정의 상위 단계에 위치한 조절자들의 mRNA 발현을 분석하였다. C/EBPβ의 상위 조절자인 C/EBPγ, CHOP은 shikonin에 의해 영향을 받지 않았으나, KROX20의 경우 유의하게 감소하였다. 이러한 결과는 Pro-adipogenic 인자인 KROX20의 감소가 C/EBPβ에 영향을 주기 보다는 C/EBPβ와 독립적으로 그 하위의 인자들에게 영향을 줄 수 있음을 제시한다. PPARγ의 상위 조절자로 알려져 있는 KLF 들 중에서 pro-adipogenic 인자인 KLF15의 mRNA 발현은 shikonin에 의해 급격히 감소하였으나 anti-adipogenic 인자인 KLF2는 shikonin에 의한 변화가 거의 없었다. 또 다른 pro-adipogenic 인자인 KLF5의 경우, 주로 작용하는 초기 분화에서는 shikonin에 의해 거의 변화가 없었지만, 후기 분화에서는 조금 증가하였다. 이러한 후기 분화에서의 KLF5의 변화는 KLF15에 비해 전체 분화에 크게 영향을 주지 못하는 것 같다. 결론적으로, shikonin은 pro-adipogenic 인자인, KROX20과 KLF15의 조절을 통해 PPARγ 및 C/EPBα의 mRNA 발현을 억제함으로써 지방 세포의 분화를 저해한다고 사료된다. Shikonin, a component of Lithospermum erythrorhizon Sieb. et Zucc, exerts various characteristics such as anti-inflammatory, anti-cancer and anti-obesity functions. To elucidate the molecular mechanism of shikonin-induced inhibition of adipogenesis, we analyzed the mRNA expression level of various adipogenesis-related factors including C/EBPs (CCAAT/enhancerbinding proteins) and PPARγ (peroxisome proliferator-activated receptor γ). The data showed that mRNA expressions of C/EBPβ and C/EPBδwere only slightly changed by shikonin treatment, but mRNA expressions of PPARγ and C/EPBα were significantly down-regulated. Then, we tested whether upstream regulators of C/EBPβ and PPARγ were involved in anti-adipogenesis of shikonin. C/EBPγ and CHOP (C/EBP homologous protein), which are upstream regulators of C/EBPβ, were not affected by shikonin treatment. On the contrary, the mRNA level of KROX20 was markedly down-regulated by shikonin treatment. These results suggest that KROX20 might regulate downstream factors of adipogenesis through C/EBPβ-independent pathway. The expression of KLF15 (Kruppel-like factor15), which is a member of KLF family and is a upstream regulator of PPARγ, was dramatically decreased by shikonin treatment, but KLF2 was not changed. Shikonin had no impact on the expression of KLF5 in the early stage of adipogenesis, but shikonin increased expression of KLF5 in the late stage of adipogenesis. Even though mRNA expression of KLF5 was moderately changed by shikonin treatment, its effect may be small compared with the effect of KLF15, which was markedly inhibited. Taken together, these results suggest that shikonin inhibits adipogenesis through the down-regulation of PPARγ and C/EPBα, which is mediated by the down-regulation of two pro-adipogenic factors, KROX20 and KLF15.
Wilson씨 병으로 간이식을 시행한 환자의 성공적인 만삭 분만
조지형 ( Ji Hyung Cho ),권용순 ( Yong Soon Kwon ),정상인 ( Sang In Chung ),김성훈 ( Sung Hoon Kim ),채희동 ( Hee Dong Chae ),김정훈 ( Chung Hoon Kim ),강병문 ( Byung Moon Kang ),이승규 ( Seung Kyoo Lee ) 대한산부인과학회 2002 Obstetrics & Gynecology Science Vol.45 No.11
Liver transplantation has become a successful treatment modality for serious hepatic disease and it has been reported that there are successful pregnanies after liver transplantation. Previous reports regarding pregnancy after liver transplantation have d