Sexing of human sperm by discontinuous Percoll density gradient and its clinical application. 1987

R Iizuka, and S Kaneko, and R Aoki, and T Kobayashi
Department of Obstetrics and Gynaecology, School of Medicine, Keio University, Tokyo, Japan.

A discontinuous Percoll density gradient was employed for the selective isolation of human X-bearing sperm. The fraction rich in X-bearing sperm that sedimented through eight steps of a Percoll density gradient was inseminated into healthy volunteers. Six couples achieved pregnancy and each delivered a female baby without abnormality. For further separation, a Percoll density gradient consisting of 12 steps gave a 94% purification of X-bearing sperm (contamination with Y-bearing sperm: 6.4 +/- 1.8%) with a mean recovery of 23.3 +/- 6.4% (n = 6).

UI MeSH Term Description Entries
D007315 Insemination, Artificial Artificial introduction of SEMEN or SPERMATOZOA into the VAGINA to facilitate FERTILIZATION. Artificial Insemination,Eutelegenesis,Artificial Inseminations,Eutelegeneses,Inseminations, Artificial
D007317 Insemination, Artificial, Homologous Human artificial insemination in which the husband's semen is used. Insemination, Artificial, Husband,AIH,Artificial Insemination, Husband,Homologous Insemination,Insemination, Homologous,Husband Artificial Insemination,Insemination, Husband Artificial
D008297 Male Males
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D002499 Centrifugation, Density Gradient Separation of particles according to density by employing a gradient of varying densities. At equilibrium each particle settles in the gradient at a point equal to its density. (McGraw-Hill Dictionary of Scientific and Technical Terms, 4th ed) Centrifugations, Density Gradient,Density Gradient Centrifugation,Density Gradient Centrifugations,Gradient Centrifugation, Density,Gradient Centrifugations, Density
D005260 Female Females
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012729 Sex Chromosome Aberrations Abnormal number or structure of the SEX CHROMOSOMES. Some sex chromosome aberrations are associated with SEX CHROMOSOME DISORDERS and SEX CHROMOSOME DISORDERS OF SEX DEVELOPMENT. Sex Chromosome Abnormalities,Abnormalities, Sex Chromosome,Chromosome Abnormalities, Sex,Aberration, Sex Chromosome,Aberrations, Sex Chromosome,Abnormality, Sex Chromosome,Chromosome Aberration, Sex,Chromosome Aberrations, Sex,Chromosome Abnormality, Sex,Sex Chromosome Aberration,Sex Chromosome Abnormality
D012732 Sex Determination Analysis Validation of the SEX of an individual by inspection of the GONADS and/or by genetic tests. Sex Determination Techniques,Sex Determination Technics,Analyses, Sex Determination,Analysis, Sex Determination,Sex Determination Analyses,Sex Determination Technic,Sex Determination Technique,Technic, Sex Determination,Technics, Sex Determination,Technique, Sex Determination,Techniques, Sex Determination
D014960 X Chromosome The female sex chromosome, being the differential sex chromosome carried by half the male gametes and all female gametes in human and other male-heterogametic species. Chromosome, X,Chromosomes, X,X Chromosomes

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