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한국인 여성에서 제대혈 천차술을 이용한 염색체 검사에서 발견된 비정상 핵형에 관한 연구
문신용(Shin Yong Moon),전종관(Jong Kwan Jun),최진(Jin Choi),황도영(Do Yeong Hwang),최영민(Young Min Choi),김석현(Seok Hyun Kim),염재호(Jae Ho Yum),노주원(Ju Won Rho),윤지성(Ji Sung Yoon),고희정(Hee Jung Ko),오선경(Sun Kyung Oh),박중신( 대한산부인과학회 1998 Obstetrics & Gynecology Science Vol.41 No.11
Fetal umbilical blood was obtained by cordocentesis guided by transabdominal USG in 276 fetuses at more than 14 weeks gestation. Fetal daryotyping was carried out in 7 cases of cordocentesis-failed group by cardiocentesis (3 cases) and amniocntesis (4 cases). The 46 cases in 263 fetuses revealed abnormal karyotypes (17.5%). There were 24 cases of numerical abnormality, 14 cases of structural abnormality, 5 cases of mosaicism, and 3 miscellaneous abnormalities. In the numerical abnormalities, trisomies and sex chromosomal abnormalities were 22 and 2 case, respectively. In 22 trisomy cases, there were 16 cases of trisomy of 18 chromosome which is the most common single cytogenetic abnormality in cordocentesis. The most common associated anomalies in trisomy 18 was congenital heart anomaly, in which vetricular septal defect was the most common. Pregnancy outcome is as follows: 22 cases of termination of pregnancy, 9 cases of still-birth, 5 cases of neonatal death, three living babies and 7 cases lost to follow-up.
LEE, CHU HEE,YANG, SUN A,RHO, JU WON,LEE, SEUNG YUP,NAM, DOO HYUN 영남대학교 약품개발연구소 1992 영남대학교 약품개발연구소 연구업적집 Vol.2 No.-
The fermentative characteristics in ethanol production from lactose, with increased ethanol tolerance, of a fusant yeast strain constructed by protoplast fusion of Saccharomyces cerevisiae and Kluyveromyces fragilis were studied. The ethanol tolerance of this strain was increased to 8.0%, compared with the parent K. fragilis. During batch ethanol fermentation the optimal cultivation conditions for this fusant yeast were an initial pH of 4.5, a culture temperature 30℃, stirring at 100 rpm without aeration in 10% lactose medium (supplied with 1.0% yeast extract). Using this fusant strain in whey fermentation to ethanol, maximum ethanol production reached 3.41% (w/v) (theoretical yield; 66.7%) after a 48 hour cultivation period.