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대한생식의학회지 제27권 제1호 2010년
Glutamine 함유 배양액에 첨가한 에너지원이 마우스의 배 발달에 미치는 영향
대구대학교 자연자원대학 축산학과;대구대학교 자연자원대학 축산학과, 경북대학교병원 산부인과학교실;경북대학교병원 산부인과학교실;경북대학교병원 산부인과학교실;대구대학교 자연자원대학 축산학과;
김주환;박기상;이택후;전상식;송해범;,
Effect of Energy Sources (Glucose, Pyruvate and Lactate) Added to Dulbecco's Modified Eagle Medium (DMEM) on the Mouse 2-cell Embryo Development
Kim, Ju-Hwan;Park, Kee-Sang;Lee, Taek-Hoo;Chun, Sang-Sik;Song, Hai-Bum;
Department of Animal Science, Taegu University;Department of Animal Science, Taegu University, Department of Obstetrics and Gynecology, Kyungpook National University Hospital;Department of Obstetrics and Gynecology, Kyungpook National University Hospital;Department of Obstetrics and Gynecology, Kyungpook National University Hospital;Department of Animal Science, Taegu University;
Objective: Mammalian embryos undergo changes of energy environment for transfer from oviduct to uterus. Also, the human reproductive organ (oviduct, uterus) contains energy sources of different concentration (oviduct - glucose: 0.5 mM, pyruvate: 0.32 mM, lactate: 10.5 mM; uterus - goucose: 3.15 mM, pyruvate: 0.1mM, lactate: 5.87 mM, respectively). This study was conducted to examine the effect of these energy sources added in DMEM with glutamine on the mouse embryo development. Methods: There was used ICR female mouse. Two cell embryos of mouse are collected by method of 'flushing'. Flushing fluid was used Ham's F-10 added to 20% FBS. The collected 2 cell embryos were cultured in media such as Control (only DMEM), group A and B (DMEM supplemented with 0.5 mM and 3.15 mM glucose), and group C and D (DMEM supplemented with 0.1 mM and 0.32 mM pyruvate), and group E and F (DMEM supplemented with 5.87 mM and 10.5 mM lactate). All experimental media supplemented with 20% hFF, respectively. Pattern of embryo development was observed to interval at 24hr during 96hr. Results : The media with glutamine added glucose (group A: 51.0%; group B: 48.4%) was significantly (p<0.05) higher than other experimental group in development into the morula stage after 24 hr in culture, but not significantly different compared with control and the rate of development into the blastocyst was significantly (p<0.05) low in the both of pyruvate (group C: 7.9% group D: 6.8%) and lactate (group E: 7.1%, group F: 7.1%) treatment group after 48 hr in culture. Development into the blastocyst and hatched balstocyst after 72 hr in culture revealed similarly in control (81.9%) and glucose treatment group (group A: 83.3%, group B: 82.8%). However, development into the hatched and attached blastocyst after 96hr in culture revealed significantly (p<0.05) development in the glucose treatment group (group A: 82.3%, group B: 78.5%) than control (63.2%), and its of pyruvate (group C: 34.1%, group D: 34.1%) and lactate (group E: 25.9%, group F: 33.3%) treatment group were significantly (p<0.05) lower than control similar to previous observations. Conclusion : The glucose added to the DMEM with only glutamine, as energy source, was highly to the rate of development compared with control, but the other energy sources were not, synthetically. Above refer to, the human reproductive organ (oviduct, uterus) contains energy sources of different concentration. Thus, further studies are will examine continuously to effects by interaction of different energy sources in the mouse embryo development, and these results will provide to foundation on the human embryo culture.
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