The recombinant human interferon-gamma receptor is fully functional in a human x murine hybrid containing human chromosome 21. 1991

M R Bono, and C Alcaïde-Loridan, and B Letouzé, and H Jouin, and S J Gobin, and M Fellous
Institut National de la Santé et de la Recherche Médicale U.276, Paris, France.

It has previously been shown that stimulation of class I MHC antigen expression by human interferon gamma (Hu-IFN gamma) depends on the presence of both human chromosomes 6 and 21. Even although the presence of human chromosome 6 results in normal expression of the IFN gamma receptor on the cell surface, chromosome 21 is required for this biological response. Here, we transfected the cDNA encoding the Hu-IFN gamma receptor into a mouse cell line, L(tk-), and into a mouse x human hybrid, GM08, containing the human chromosome 21 as the only human genetic material. Two clones, L-gamma R.8 and GM08-gamma R.9, were tested for different biological responses to Hu-IFN gamma. Only the hybrid containing the human chromosome 21 (GM08-gamma R.9) exhibited a biological response when assayed for the stimulation of murine class I MHC antigen expression by Hu-IFN gamma. Moreover, transcriptional induction of 2'-5'-oligoadenylate synthetase and 1-8 genes, as well as antiviral protection, were observed only in the GM08-gamma R.9 transfectants. These results show that human chromosome 21 encodes a factor which mediates different biological activities of Hu-IFN gamma.

UI MeSH Term Description Entries
D007371 Interferon-gamma The major interferon produced by mitogenically or antigenically stimulated LYMPHOCYTES. It is structurally different from TYPE I INTERFERON and its major activity is immunoregulation. It has been implicated in the expression of CLASS II HISTOCOMPATIBILITY ANTIGENS in cells that do not normally produce them, leading to AUTOIMMUNE DISEASES. Interferon Type II,Interferon, Immune,gamma-Interferon,Interferon, gamma,Type II Interferon,Immune Interferon,Interferon, Type II
D011971 Receptors, Immunologic Cell surface molecules on cells of the immune system that specifically bind surface molecules or messenger molecules and trigger changes in the behavior of cells. Although these receptors were first identified in the immune system, many have important functions elsewhere. Immunologic Receptors,Immunologic Receptor,Immunological Receptors,Receptor, Immunologic,Receptors, Immunological
D011994 Recombinant Proteins Proteins prepared by recombinant DNA technology. Biosynthetic Protein,Biosynthetic Proteins,DNA Recombinant Proteins,Recombinant Protein,Proteins, Biosynthetic,Proteins, Recombinant DNA,DNA Proteins, Recombinant,Protein, Biosynthetic,Protein, Recombinant,Proteins, DNA Recombinant,Proteins, Recombinant,Recombinant DNA Proteins,Recombinant Proteins, DNA
D002891 Chromosomes, Human, Pair 21 A specific pair of GROUP G CHROMOSOMES of the human chromosome classification. Chromosome 21
D005786 Gene Expression Regulation Any of the processes by which nuclear, cytoplasmic, or intercellular factors influence the differential control (induction or repression) of gene action at the level of transcription or translation. Gene Action Regulation,Regulation of Gene Expression,Expression Regulation, Gene,Regulation, Gene Action,Regulation, Gene Expression
D005805 Genes, MHC Class I Genetic loci in the vertebrate major histocompatibility complex which encode polymorphic characteristics not related to immune responsiveness or complement activity, e.g., B loci (chicken), DLA (dog), GPLA (guinea pig), H-2 (mouse), RT-1 (rat), HLA-A, -B, and -C class I genes of man. Class I Genes,Genes, Class I,Genes, H-2 Class I,Genes, HLA Class I,MHC Class I Genes,H-2 Class I Genes,HLA Class I Genes,Class I Gene,Gene, Class I,Genes, H 2 Class I,H 2 Class I Genes
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D006822 Hybrid Cells Any cell, other than a ZYGOTE, that contains elements (such as NUCLEI and CYTOPLASM) from two or more different cells, usually produced by artificial CELL FUSION. Somatic Cell Hybrids,Cell Hybrid, Somatic,Cell Hybrids, Somatic,Cell, Hybrid,Cells, Hybrid,Hybrid Cell,Hybrid, Somatic Cell,Hybrids, Somatic Cell,Somatic Cell Hybrid
D014162 Transfection The uptake of naked or purified DNA by CELLS, usually meaning the process as it occurs in eukaryotic cells. It is analogous to bacterial transformation (TRANSFORMATION, BACTERIAL) and both are routinely employed in GENE TRANSFER TECHNIQUES. Transfections
D014721 Vesicular stomatitis Indiana virus The type species of VESICULOVIRUS causing a disease symptomatically similar to FOOT-AND-MOUTH DISEASE in cattle, horses, and pigs. It may be transmitted to other species including humans, where it causes influenza-like symptoms. Vesicular stomatitis-Indiana virus

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