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Effects of Oral Ethanol Ingestion on Hypertension in Spontaneously Hypertensive Rats
Chul-Ho Lee(이철호),Won-Kee Yoon(윤원기),Kyu-Shik Jeong(정규식),Yang-Kyu Choi(최양규),Yong-Joon Kim(김용준),Youn-Yi Nam(남윤이),Sang-Joon Park(박상준),Young-Gil Jeong(정영길),Moo-Kang Kim(김무강),Byung-Hwa Hyun(현병화) 한국실험동물학회 1997 Laboratory Animal Research Vol.13 No.1
소 卵胞의 體外培養에 의한 卵子의 體外成熟과 體外受精에 관한 硏究
金相根,南潤伊,山根倫子,金武剛 충남대학교 수의과대학 동물의과학연구소 1997 動物醫科學硏究誌 Vol.5 No.-
This study was to investigate the effects of the follicular culture from which the oocytes origenate on their subsequent in vitro maturation. The follicular oocytes were cultured in TCM-199 medium containing FCS, hormones, BFF for 24-30 hrs in CO^2 incubator with 5% CO^2 in air at 38.5℃ and then matured oocytes were again 18-20 hrs with motile capacitated spermatozoa in the BO solution containing 100 ㎍/㎖ of heparin. The results obtained in these experiments were summarized as follows : 1.Ovarian follicles were isolated and cultured according to size 1-2 ㎜, 2-4 ㎜, 4-6 ㎜ and 6-8 ㎜ for 24-30 hrs. The rates of GVBD in each group were 80.0%(40/50), 84.4%(38/45), 77.8%(35/45) and 84.0%(42/50), but oocytes maturation were supressed at anaphaes-Ⅰ or telephase-Ⅰ stage. 2. When oocytes cultured for 4 hrs at 35℃ in medium with BFF and hormones after follicular culture for 24-30 hrs, the maturation completed to metphase-Ⅱ stage. However, rates of GVBD in oocytes from follicular culture were higher than oocytes cultured in medium. 3. When oocytes from follicle cultured for 4 hrs at various temperature and culture time were cultured for 24-30hrs the rates of oocytes maturation from follicle cultured at 20℃(43.6%, 24/55), 30℃(47.3%, 26/55) and 35℃(52.7%, 29/55) were significant higher than group cultured at 4℃(24.4%, 11/45). 4. When oocytes from follicles cultured for hrs at 35℃, the rates of oocytes maturation and fertilization rates were 67.3%(101/150), 29.3%(44/150) and oocytes cultured for 24-30hrs at 35℃, thr rates of oocytes maturation and in vitro fertilization were 86.5%(122/141), 53.9%(76/141), respectively.
유전 모니터링에 따른 FGS/Kist Mice 의 Genetic Profiles
이기훈,이철호,현병화,최양규,윤원기,김무강,정영길,남윤이 한국유전학회 1997 Genes & Genomics Vol.19 No.3
This experiment was performed to determine the genetic stability of FGS/Kist mouse strain through biochemical and immunogenetical monitoring methods. In biochemical monitoring by staining after electrophoresis, fifteen biochemical markers, alkaline phosphatase-1, carbonic anhydrase-2, esterase-1, 2, 3, glucose-6-phosphate dehydrogenase-1, glucose-phosphate isomerase-1, hemoglobin betachain, isocitrate dehydrogenase-1, lactate dehydrogenase regulator, malic enzyme supernatant, major urinary protein, peptidase-3, phosphoglucomutase-1 and transferrin were all identical types among six mice from each of the F25/F26 generations. In the immunogenetical monitoring followed by the cytotoxic test, histocompatability-2D and -2K were shown to be 'k' type. No differences were found between F25 and F26 generations of FGS/Kist mice. These results suggested that FGS/Kist mice are genetically stable.