생쥐수정란에 대한 H - Y 항체처리가 산자의 성비에 미치는 영향 = Sex Ratio of Mouse Offsprings Following In Vitro Treatment of H - Y Antibody to Mouse Embryos Prior to Transfer

다국어 초록 (Multilingual Abstract)

These experiments were carried out to control the sex of offsprings in mice by sexing embryos using immunological means prior to transfer to pseudopregnant recipients. H-Y antisera were prepared in inbred SD female rats by repeated immunization of testis supernatant and spleen cells from males of same strain. ELISA and indirect immunofluorescence test were used to detect H-Y antibody in antisera. Eight- to 16-cell mouse embryos were cultured in medium with H-Y antibody and complement (treated embryos) and in medium with BSA (control embryos). After 24-48 hr of culture, embryos were observed their morphological characteristics under the phase contrast microscope. Embryos developed to normal blastocyst were transferred to pseudopregnant recipients and sex of resultant offspring was investigated. The results obtained in these experiments were summarized as follows: 1. Production of H-Y antibodies in antisera obtained from immunized rats was confimed by ELISA and indirect immunofluorescence test. 2. Of 270 embryos treated with H-Y antibody and complement, 126 embryos (46.7%) were developed to normal blastocysts. 3. Following transfer of 126 blastocysts, 16 embryos (12.6%) were survived to term and 13 females (81.3%), significantly high ratio of female offspring, were produced.