H-Y typing by ELISA in a 46,X,dic(Y)(q11.2101) male: effects of a nonmosaic Yp duplication. 1987

C A Moreira-Filho, and S S Wachtel, and A Daniel, and J H Priest

A new ELISA was used to measure H-Y antigen in cultured fibroblasts from a male with 46,X,dic(Y)(q11.2101) involving duplication of Yp. Aliquots of monoclonal H-Y antibody were absorbed with 1, 2, 4, or 8 X 10(6) cells from the 46,X,dic(Y) male, or with corresponding numbers of cells from a normal XY male and a normal XX female, and then were tested for residual activity against a soluble antigen source. Portions of the antibody absorbed with cells of the 46,X,dic(Y) male were found to be less reactive than portions absorbed with cells of the normal XY male, for all numbers of cells and both dilutions of plated antigen. The results, quantified in an electronic optical density reader, imply presence of excessive H-Y in cells of the 46,X,dic(Y) male, and suggest presence of a genetic determinant of H-Y on Yp or proximal Yq near the centromere.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D008297 Male Males
D002871 Chromosome Banding Staining of bands, or chromosome segments, allowing the precise identification of individual chromosomes or parts of chromosomes. Applications include the determination of chromosome rearrangements in malformation syndromes and cancer, the chemistry of chromosome segments, chromosome changes during evolution, and, in conjunction with cell hybridization studies, chromosome mapping. Banding, Chromosome,Bandings, Chromosome,Chromosome Bandings
D004797 Enzyme-Linked Immunosorbent Assay An immunoassay utilizing an antibody labeled with an enzyme marker such as horseradish peroxidase. While either the enzyme or the antibody is bound to an immunosorbent substrate, they both retain their biologic activity; the change in enzyme activity as a result of the enzyme-antibody-antigen reaction is proportional to the concentration of the antigen and can be measured spectrophotometrically or with the naked eye. Many variations of the method have been developed. ELISA,Assay, Enzyme-Linked Immunosorbent,Assays, Enzyme-Linked Immunosorbent,Enzyme Linked Immunosorbent Assay,Enzyme-Linked Immunosorbent Assays,Immunosorbent Assay, Enzyme-Linked,Immunosorbent Assays, Enzyme-Linked
D005347 Fibroblasts Connective tissue cells which secrete an extracellular matrix rich in collagen and other macromolecules. Fibroblast
D006182 H-Y Antigen A sex-specific cell surface antigen produced by the sex-determining gene of the Y chromosome in mammals. It causes syngeneic grafts from males to females to be rejected and interacts with somatic elements of the embryologic undifferentiated gonad to produce testicular organogenesis. HY Antigen,GA-1 Germ Cell Antigen,Antigen, H-Y,Antigen, HY,GA 1 Germ Cell Antigen,H Y Antigen
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000911 Antibodies, Monoclonal Antibodies produced by a single clone of cells. Monoclonal Antibodies,Monoclonal Antibody,Antibody, Monoclonal
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
D014998 Y Chromosome The male sex chromosome, being the differential sex chromosome carried by half the male gametes and none of the female gametes in humans and in some other male-heterogametic species in which the homologue of the X chromosome has been retained. Chromosome, Y,Chromosomes, Y,Y Chromosomes

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