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민응기 ( Eung Gi Min ) 대한산부인과학회 2008 Obstetrics & Gynecology Science Vol.51 No.8
The polycystic ovary syndrome (PCOS) is a heterogeneous disorder that is characterized principally by oligomenorrhea or amenorrhea with clinical or laboratory evidence of hyperandrogenemia. Furthermore, it is now recognized that a significant proportion of overweight women with PCOS have hyperinsulinemia. Three features are generally recognized to compose this syndrome, including androgen excess, ovulatory dysfunction, and polycystic ovaries. Because its etiology and natural history are poorly understood, there is controversy about the diagnostic criteria and clinical evaluation of the syndrome. But the diagnosis of PCOS entails two principal steps: (a) to determine whether features suggestive of PCOS are present and (b) to exclude related androgen excess or ovulatory disorders. The PCOS results in a number of immediate and long-term morbidities that are associated with a significant impact on quality of life and on economic costs. Immediate morbidities include menstrual dysfunction and abnormal uterine bleeding, subfertility and infertility, and androgen excess-related dermatologic abnormalities including hirsutism, acne, and androgenic alopecia, and an increased risk of obstetrical complications such as pregnancy-induced hypertension and gestational diabetes. However, PCOS is also associated with an increased risk of various other long-term complications or morbidities including cancer, type 2 diabetes mellitus, the metabolic syndrome, and possibly cardiovascular disease. For the management of PCOS, we should consider not only immediate but also the long-term morbidities.
여성 생삭기에 있어서의 ${\beta}$-Endorphin에 관한 면역조직학적 연구
김정구,민응기,문신용,이진용,장윤석,Kim, Jung-Gu,Min, Eung-Gi,Moon, Shin-Yong,Lee, Jin-Yong,Chang, Yoon-Seok 대한생식의학회 1988 Clinical and Experimental Reproductive Medicine Vol.15 No.1
The aim of this study was to examine the presence of ${\beta}$-endorphin in female reproductive organs. A total of 104 fresh tissue samples were obtained from normal ovary, tube, endometrium, placenta, amniotic membrane and umbilical cord, and immunostained by the method using biotin-streptoavidin amplified system. The results were as follows: 1. In reproductive age, corpus luteum only showed ${\beta}$-endorphin immunostained cells but no cells in ovaries during proliferative phase of menstrual cycle were stained. 2. Secretory endometrium revealed positive reactions in the cytoplasm of glandular epithelial cells and around the vessels, while proliferative endometrium negative reactions. 3. All the tissues of menopausal women were negative to ${\beta}$-endorphin antibody. 4. In the pregnant women, there are no ${\beta}$-endorphin containing cells in the placenta, amniotic membrane and umbilical cord regardless of gestational age.
치자중 호기성 세균에 의해 청색색소로 변환되는 성분의 단리
박창훈,강소임,민응기,한영환,이정규,이동웅,Park, Chang-Hun,Kang, So-Im,Min, Eung-Gi,Han, Yeong-Hwan,Lee, Chung-Kyu,Lee, Dong-Ung 한국생약학회 1998 생약학회지 Vol.29 No.3
Geniposide, an iridoid glucoside, has been isolated from the butanol fraction of Gardenia jasminoides Ellis (Rubiaceae). The component was found to be transformed into the blue pigments by some aerobic bacteria, suggesting that geniposide is the precursor for the formation of pigments after converting into genipin, an aglycon of geniposide, by ${\beta}-glucosidase$. Some bacteria having a ${\beta}-glucosidase$ activity did not form the pigments, which may mean that the formation of pigments can only be occurred by the reaction of any enzyme or compound in the pigment-producing bacteria.
미배양 태아제대혈액세포에서의 염색체이상 확인을 위한 FISH 의 이용
최영민,최영민(Young Min Choi),장은주(Eun Ju Chang),전종관(Jong Kwan Jun),황도영(Do Yeong Hwang),정경순(Kyung Soon Cheong),김기철(Ki Chul Kim),민응기(Eung Gi Min),최진(Jin Choe),문신용(Shin Yong Moon) 대한산부인과학회 2000 Obstetrics & Gynecology Science Vol.43 No.3
Objective: To determine the fetal aneuploidy in fetal blood cells from cordocentesis. Methods: We analyzed their karyotype and performed fluorescence in situ hybridization(FISH) for chromosome 18, 21, X, and Y in 14 cases of fetal blood cells from cordocentesis at Department of Obstetrics & Gynecology, College of Medicine, Seoul National University and Hamchoon Women's Clinic. Results: In all cases we obtained the consistent results in both methods and were able to rapidly detect aneuploidy in uncultured fetal blood cells using FISH before karyotyping with culture for 48 hr. The averages for accuracy of FISH were from 84.6 % to 93.9%. Conclusion: In this study we suggest that the rapid detection in uncultured fetal blood using FISH is possible and that this diagnostic method will be clinically useful when rapid result would be demanded.
김충현,장은주,정경순,박소현,황도영,김기철,민응기,Kim, Chung-Hyon,Chang, Eun-Ju,Cheong, Kyung-Soon,Park, So-Hyun,Hwang, Do-Yeong,Kim, Ki-Chul,Min, Eung-Gi The Korean Society for Reproductive Medicine 1996 Clinical and Experimental Reproductive Medicine Vol.23 No.3
난구세포는 lactate와 pyruvate를 쉽게 생성하고, 이로 인해 배양액내 에너지원의 농도를 변화시켜 난자의 수정과 배양에 영향을 주는 것으로 알려져 있다. Glucose, lactate 및 pyruvate의 농도가 상이한 M16, MTF 및 CZB배양액에서 난구세포를 포함한 생쥐난자의 체외 수정과 발달을 관찰하여, 이들 기질의 영향에 대하여 살펴보고 배양액의 유용성을 재검토하고자 하였다. Glucose를 제거한 배양액 (CZ2 배양액)에서 수정율과 배반포 형성율은 다른 배양액에 비해 유의하게 감소되었으나 (p<0.05), 생쥐 난관액과 동일한 기질 농도로 조성된 MTl (난간액이 난구세포를 포함하고 있을 때) 및 MT2배양액 (난관액이 난구세포를 포함하고 있지 않을 때)과 glucose를 포함한 modified CZB배양액에서는 영향이 없었다. 이와 같은 결과로 기질의 농도를 생리적 수준으로 조정한 배양액의 이용은 난구세포를 포함한 생쥐 난자의 체외수정과 그 발달을 향상시키지 못하고, glucose의 제거는 악영향을 나타내는 것으로 사료된다. Cumulus cells have possibly influence on fertilization of mouse oocytes and their subsequent development in vitro, because they readily produce lactate and pyruvate and can modify the concentration of substrates in the medium. In vitro fertilization of mouse oocytes with cumulus mass and their developments in five media which were differently composed in concentrations of glucose, lactate and pyruvate were observed. In the absence of glucose (CZ2 medium) decreased (p<0.01) the percentage of fertilization and embryos reaching the blastocyst stage. But, in the same concentration of glucose, lactate and pyruvate as mouse oviductal fluid with (MT1 medium) and without (MT2 medium) cumulus mass and modified CZB medium containing glucose (CZ1 medium) had no effects (p>0.05). These studies indicate that the adjustments of energy substrates concentration to the physiological level did not improve the fertilization of mouse oocytes with cumulus mass and their development in vitro, and the deletion of glucose showed adverse effects.
김충현,정경순,박소현,황도영,김기철,민응기,Kim, Chung-Hyon,Cheong, Kyung-Soon,Park, So-Hyun,Hwang, Do-Yeong,Kim, Ki-Chul,Min, Eung-Gi 대한생식의학회 1994 Clinical and Experimental Reproductive Medicine Vol.21 No.1
To confirm the overcome of in vitro 2-cell block, ICR mouse I-cell embryos were cultured in CZB media. All embryos in CZB were overcome in vitro 2-cell block and 92% of embryos were developed to the blastocyst at day 4. However, in m-KRB group(control) only 20% of embryos were developed over 2-cell. Any embryos in m-KRB did not develop to the morular stage. Developments and degenerations of ICR mouse I-cell embryos were compared in CZB medium prepared with water of three quality:(l) Milli-Q ultrafiltration water(UF);(2) Milli-Q reverse osmosis water(RO);(3) tap water(TAP). The objective was to evaluate the potential of quality control using ICR mouse 1-cell embryos. The more water was purified, the better embryo developments were supported and the less embryos were degenerated. As a quality control system, the culture of ICR 1-cell mouse embryos in CZB was useful.