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한무석,문흥규,강영제,김원우,강병서,변광옥,Han, Mu-Seok,Moon, Heung-Kyu,Kang, Young-Jae,Kim, Won-Woo,Kang, Byung-Seo,Byun, Kwang-Ok 한국식물생명공학회 2004 식물생명공학회지 Vol.31 No.1
멸종위기에 직면한 피뿌리풀 (Stellera roseaN.)의 기내증식법을 개발하고자 액아 마디를 MS 배지에 BAP와 zeatin을 처리하여 다경 (multiple shoot)를 유도하고 기내발근에 미치는IBA및 NAA처리 효과를 조사하였다. 액아 마디로부터 다경유도는 BA가 현저히 양호한 반면 줄기의 생장은 zeatin이 BA보다 효과적이었다. 증식된 줄기로부터 기내 발근은 오옥신 처리로 가능하였으나 발근율은 대체로 저조하였고 오옥신의 전처리 기간에 따라 차이를 보였다. IBA가 NAA보다 다소 좋은 발근효과를 보였고 1.0mg/L 농도로 15일간 배양시 30%까지 발근되었다. NAA역시 처리농도 및 처리기간에 따라 발근율에 차이를 보였다. 발근묘는 인공토양에서 51%가 활착되어 정상생장이 가능하였다. 이상의 결과는 발근 및 순화조건을 좀더 개선하면 피뿌리풀의 효율적인 기내번식이 가능함을 시사해준다. In order to develop an efficient micropropagation technique for an endangered species, Stellera rosea N., stem node cultures were conducted on MS medium supplemented with cytokinins. Generally, BA was better than zeatin on shoot proliferation from stem nodes, whereas zeatin showed more effective on shoot elongation. In vitro rooting of shoots was achieved by application of an auxin pre-culturing method. Overall rooting rate was relatively low and differed depending on the culture period. Pre-culturing of shoots for 15 days at 1.0mg/L IBA revealed a slightly better rooting efficiency reaching 30% rooting rate than NAA. Root induction rate by NAA also varied with concentration of NAA and culture periods. Total 51% of the rooted plantlets survived on artificial soil mixture and grew normally without any distinct morphological variation. The results suggest that the endangered Stetllera plants are propagated via in vitro culture system, but still need to more study for the improvement of rooting and acclimatization of the plantlets in soil.
체외수정시술시 난포자극호르몬 수용체 유전자 다형성이 과배란유도 및 임신 결과에 미치는 영향
윤지성,최영민,임경실,허창영,강영제,정재훈,이원돈,임진호,황규리,지병철,구승엽,서창석,김석현,김정구,문신용,Yoon, Ji-Sung,Choi, Young-Min,Lim, Kyung-Sil,Hur, Chang-Young,Kang, Young-Je,Jung, Jae-Hoon,Lee, Won-Don,Lim, Jin-Ho,Hwang, Kyu-Ri,Jee, Byun 대한생식의학회 2004 Clinical and Experimental Reproductive Medicine Vol.31 No.2
Objective: To investigate the association of FSH receptor (FSHR) polymorphism at position 680 with outcomes of controlled ovarian hyper-stimulation for IVF-ET in Korean women. Design: Genetic polymorphism analysis. Materials and Methods: The FSHR polymorphism was analyzed by PCR-RFLP in 172 ovulatory women below the age of 40 year. Patients with polycystic ovary syndrome, endometriosis, or previous history of ovarian surgery were excluded. Results: Genotype distribution was 41.9% for the Asn/Asn, 47.7% for the Asn/Ser, and 10.5% for the Ser/Ser FSHR genotype group. There was no difference in age of subjects and infertility diagnosis between genotype groups. When the patients were grouped according to their FSHR genotype, the basal levels of FSH (day 3) were significantly different among the three groups ($6.0{\pm}0.3\;IU/L$ (mean $\pm$ SEM), $5.8{\pm}0.3\;IU/L$, and $8.6{\pm}1.2\;IU/L$ for the Asn/Asn, Asn/Ser, and Ser/Ser groups, respectively, p=0.002). The Ser/Ser group showed a higher total doses of gonadotropins required to achieve ovulation induction, and a lower serum estradiol levels at the time of hCG administration compared with other two groups, but the differences were of no statistical significance. The numbers of oocytes retrieved were significantly different among the three groups ($8.6{\pm}0.8$, $9.9{\pm}0.6$, and $6.3{\pm}0.9$, for the Asn/Asn, Asn/Ser, and Ser/Ser groups, respectively, p=0.049). Clinical pregnancy rates were 42.4%, 25.9%, and 29.4% for the Asn/Asn, Asn/Ser, and Ser/Ser groups, respectively. Conclusion: Homozygous Ser/Ser genotype of FSHR polymorphism at position 680 was associated with decreased ovarian response to gonadotropin stimulation for IVF-ET.
최성연,정병준,최형민,강영제,이응수,송현진,Choi, Sung-Yun,Jung, Byeong-Jun,Choi, Hyung-Min,Kang, Young-Jae,Lee, Eung-Soo,Song, Hyun-Jin 대한생식의학회 2000 Clinical and Experimental Reproductive Medicine Vol.27 No.3
Objective: To report three cases of monozygotic twinning after IVF-ET transfer. Methods: Private practice in two different assisted reproductive technology clinics. Results: Three intrauterine monozygotic twin pregnancies occurred after IVF-ET. One of them was complicated by cord entanglement, another is progressing normal pregnancy without complication and the other was had a normal pregnancy without complication and delivered twin by cesarean section. Conclusion: The reported prevalence of multiple gestations in IVF-ET is a approximately 30%, and it is only 2.7% to be monozygotic twinning in IVF-ET. We report three cases of monozygotic twining after IVF-ET.
한무석 ( Mu Seok Haol ),박소영 ( So Young Park ),문홍규 ( Heung Kyu Moon ),강영제 ( Young Jae Kang ) 한국산림과학회 2010 한국산림과학회지 Vol.99 No.4
In order to develop an efficient micropropagation system for a rare tree species, Empetrum nigrum var. japonicum K. Koch, the effect of medium salt, cytokinins and auxin at different concentration were evaluated. Shoot induction from axillary bud was better on WPM medium than on MS medium. Although there was no significant differences observed in S100t induction among the salt strengths of WPM medium, whereas healthy shoots were developed on basal WPM medium. In comparison of the cytokinins affecting shoot proliferation, zeatin was better than SA, whereas SA exhibited more effectiveness on shoot elongation. In vitro root formation was better on WPM medium than 1/2MS medium and achieved the highest rooting rate when 5.0 mg/L ISA treatment. 93% of rooted plant lets were survived on artificial soil mixture after 4 weeks of acclimatization. Above results suggest that a rare tree species, E. nigrum var. japonicum can be micropropagated via axillary bud cultures.
자궁외임신과 동반된 Fitz - Hugh - Curtis syndrome 2예
김승준(Seung Jun Kim),노경준(Kyung Jun Ro),정영진(Young Jin Jung),최종현(Jong Hyun Choi),박태훈(Tae Hun park),강영제(Young Jae Kang) 대한산부인과학회 1999 Obstetrics & Gynecology Science Vol.42 No.10
Fitz-Hugh-Curtis syndrome is a condition in which, as a result of pelvic inflammatory disease, the liver capsule becomes involved with inflammatory exudate that later leaves violin string adhesions. Although in the past Neisseria gonorrhea was thought to be the only etiological agent, recent data indicate that Chlamydia trachomatis may play an important role in perihepatitis. Perihepatic adhesions may be an aftereffect of the acute hepatic episode, and because the cause of ectopic pregnancy is thought to be salpingitis ,women with an ectopic pregnancy may have a higher prevalence of coexisting perihepatic adhesion. The incidence of this conditon in ectopic gestation was reported to be 14-34 %. Direct observation of the liver and pelvis through laparoscope is the most definitive method of diagnosing salpingitis and perihepatitis. Standard treatement regimens recommended for salpingitis are adequate also for treatement of perihepatitis.We have experienced two cases of Fitz-Hugh-Curtis syndrome associated with ectopic pregnancy, and report with the brief review of the literatures.
김찬수(Chan-Soo Kim),정은주(Eunju Cheong),송관필(Kwan-Pil Song),김지은(Ji-Eun Kim),문명옥(Myung-Ok Moon),강영제(Young-Jae Kang),김문홍(Moon-Hong Kim) 한국자원식물학회 2002 한국자원식물학회지 Vol.15 No.2
우리나라 최남단 난대림지역인 천지연계곡에 분포하고 있는 목본식물의 종조성, 분포현황 및 관속식물상을 조사하였다. 천지연계곡의 교목성 수종은 29종이었으며 , 그 중 침엽수인 해송을 제외한 활엽수종 중 낙엽활엽수가 13종이었다. 교목성 수종은 2,395본이었으며, 그 중 낙엽활엽수가 1,427본으로 상록활엽수보다 많았다. 교목성 수종의 피도는 상록활엽수와 낙엽활엽수가 각각 42.3%와 48.7%로 낙엽활엽수의 상대피도가 다소 높았다. 관목성 수종은 37종이 분포하는 것으로 밝혀졌으며, 개체수에 있어서는 교목성 수종과 달리 상록활엽수종들의 개체수가 많았다. 관목성 수종의 상대피도는 상록활엽수와 낙엽활엽수가 각각 35.4%와 64.4%로 상록활엽수의 비가 현저히 높았다. 천지연에 분포하고 있는 관속식물은 114과 320속 397종 1아종 39변종 9품종으로 총446 분류군이었으며, 그 중 제주도 특산식물은 가시딸기(Rubus hongnoensis Nakai)와 제주상사화(Lycoris chejuensis K. Tae et S. Ko) 2 분류군, 우리나라에서는 제주도에만 분포하는 식물은 괴불이끼(Crepidomanes insigne (v.d. Bosch) Fu) 등 17 분류군, 천연기념물은 담팔수(Elaeocarpus sylvestris (Loureiro) Poiret var. ellipticus (Thunb.) Hara) 1 분류군, 법정보호식물은 솔잎란(Psilotum nudum (L.) Griseb.)과 고란초(Crypsinus hastatus (Thunb.) Copeland) 2 분류군, 귀화식물은 수영(Rumex acetosa L.) 등 38 분류군, 식재식물은 은행나무(Gingo biloba L.)등 75 분류군이었다. This study investigated the species composition and distribution of woody plants, and flora of vascular plants of Cheonjiyeon where is located in the most southern region of Korea. Twenty-nine taxa of trees were distributed in the valley, and of these, deciduous broad-leaved trees were 13. Of the total number of 2,547 trees, 1,429 were deciduous broad-leaved trees and remainder was broad-leaved evergreen. Deciduous broad-leaved trees covered 48.7% of the tree canopy while evergreen broad-leaved trees covered only 42.3%. The total number of shrub taxa was 37 with more evergreen shrub taxa than deciduous. Evergreen shrubs occupied 64.4% of shrub canopy while deciduous shrubs covered only 35.4%. The result of the investigation of flora showed that there are 446 taxa of flora including 114 families, 320 genera, 397 species, 1 subspecies, 39 varieties, and 9 forma. Of these, two species, Rubus hongnoensis Nakai and Lycoris chejuensis K. Tae et S. Ko, are endemic plants of Jeju Island. The flora includes 17 taxa of rare plants that are distributed only in Jeju Island in Korea. Also, the flora includes 1 taxon, Elaeocarpus sylvestris (Loureiro) Poiret var. ellipticus (Thunb.) Hara, of Korean natural monument, 2 taxa, Psilotum nudum (L.) Griseb. and Crypsinus hastatus (Thunb.) Copeland, of legally protected wildlife and plants, 38 taxa of naturalized plants, and 75 taxa of introduced plants.
권석민,송훈,장두영,최형민,정병준,강영제,이응수 인제대학교 2000 仁濟醫學 Vol.21 No.2
Jejunoilead atresia and stenosis are common causes of neonatal intestinal obstruction, occurring in approximately one in 3000 births. Jejunoileal obstruction can be de tected by prenatal ultrasonography. Typical findings are fluid-filled cystic bowel loops with increased peristalsis and polyhydroamniosis. We experienced 1 case of ileal stenosis diagnosed by prenatal ultrasography and present with brief review of literature.