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KMID : 0900919930170040305
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Korean journal of Animal Reproduction
1993 Volume.17 No. 4 p.305 ~ p.310
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Studies on Sexing of Mouse Embryos with Rat H-Y Antisera
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Lim Kyung-Sun
Oh S.-J.
Yang B.-S.
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Abstract
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These expriments were carried out to investigate existence of H-Y antibody in the rat serum immunized against H-Y antigen from rat spleen cells and effect of H-Y antiserum on development of mouse male embryos. The results obtained were summerized as follows : 1. When mouse embryos were cultured for 48∼72 hrs in the Ham’s F10 containing 16% of FBS(fetal bovine serum) or RNS(rat normal serum), percentages of embryos developed from 2, 4, 8 and 16-cell embryo to morulae were 20, 27, 94 and 100%, respectively, in FBS and 8, 7, 94 and 100%, respectively, in RNS. Eight to 16-cell embryos showed no difference in development rate between FBS adn RNS. 2. When 8∼16-cell mouse embryos were cultured for 24∼48 hrs in the Ham’s F10 containing FBS, RNS＋GPC(guinea pig complement) and RAS(rat antiserum)＋GPC, proportions of embryos developed to the expanded blastocyst stage were 100, 82.4 and 52.1∼53.6%(ave.52.9), respectively, so that it was suggested that rat antiserum suppressed development of male embryos. 3. When 8∼16-cell mouse embryos were cultured for 24∼48 hrs in the Ham’s F10 containing FBS, RNS, RNS＋GPC and RAS＋GPC, proportions of embryos developed to the expanded blastocyst stage were 94.5, 90.9, 82.3 and 47%, respectively, and the embryos developed in the medium containing RAS＋GPC seemed to be female. These results indicated that the antisera prepared through immunized against H-Y antigen from rat spleen cell, possessed H-Y antibody which supressed development of male embryos.
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KEYWORD
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rat, mouse embryo, H-Y antiserum, sexing
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