Identification and cloning of genes associated with the guinea pig skin delayed-type hypersensitivity reaction. 2001

D Yang, and K Nakada-Tsukui, and M Ohtani, and R Goto, and T Yoshimura, and Y Kobayashi, and N Watanabe
Department of Biomolecular Science, Faculty of Science, Toho University, Miyama, Funabashi, Chiba 274-8510, Japan.

Although the cellular and molecular mechanisms underlying the delayed-type hypersensitivity (DTH) reaction have been investigated, the functions of infiltrating leukocytes and skin resident cells in the elicitation phase of the DTH reaction are not completely understood. To gain more insight into the role of these cells in the DTH reaction, we identified about 250 cDNA fragments showing elevated expression during the DNCB-induced guinea pig skin DTH reaction by differential display analysis. Characterization of 50 of them led to the identification of 28 genes whose expression was elevated in the DNCB-induced DTH reactive tissue. Sequencing of the 28 cDNA fragments and homology search analysis demonstrated that 10 of them represented known genes, some of which, in particular elafin (an elastase inhibitor) and ferritin, are considered to play roles in the DTH reaction. The other 18 fragments are probably derived from unknown genes. Cloning of the cDNAs of one of these genes indicated that it is that for guinea pig tryptophanyl-tRNA synthetase (WRS), a protein found to be induced by interferon-gamma and upregulated during the late stages of mononuclear phagocyte maturation in vitro. Strong induction of the WRS gene during the DTH reaction suggests its involvement in the in vivo immune response.

UI MeSH Term Description Entries
D006968 Hypersensitivity, Delayed An increased reactivity to specific antigens mediated not by antibodies but by sensitized T CELLS. Hypersensitivity, Tuberculin-Type,Hypersensitivity, Type IV,Tuberculin-Type Hypersensitivity,Type IV Hypersensitivity,Delayed Hypersensitivity,Delayed Hypersensitivities,Hypersensitivity, Tuberculin Type,Tuberculin Type Hypersensitivity,Tuberculin-Type Hypersensitivities,Type IV Hypersensitivities
D008070 Lipopolysaccharides Lipid-containing polysaccharides which are endotoxins and important group-specific antigens. They are often derived from the cell wall of gram-negative bacteria and induce immunoglobulin secretion. The lipopolysaccharide molecule consists of three parts: LIPID A, core polysaccharide, and O-specific chains (O ANTIGENS). When derived from Escherichia coli, lipopolysaccharides serve as polyclonal B-cell mitogens commonly used in laboratory immunology. (From Dorland, 28th ed) Lipopolysaccharide,Lipoglycans
D008969 Molecular Sequence Data Descriptions of specific amino acid, carbohydrate, or nucleotide sequences which have appeared in the published literature and/or are deposited in and maintained by databanks such as GENBANK, European Molecular Biology Laboratory (EMBL), National Biomedical Research Foundation (NBRF), or other sequence repositories. Sequence Data, Molecular,Molecular Sequencing Data,Data, Molecular Sequence,Data, Molecular Sequencing,Sequencing Data, Molecular
D003001 Cloning, Molecular The insertion of recombinant DNA molecules from prokaryotic and/or eukaryotic sources into a replicating vehicle, such as a plasmid or virus vector, and the introduction of the resultant hybrid molecules into recipient cells without altering the viability of those cells. Molecular Cloning
D003208 Concanavalin A A MANNOSE/GLUCOSE binding lectin isolated from the jack bean (Canavalia ensiformis). It is a potent mitogen used to stimulate cell proliferation in lymphocytes, primarily T-lymphocyte, cultures.
D004137 Dinitrochlorobenzene A skin irritant that may cause dermatitis of both primary and allergic types. Contact sensitization with DNCB has been used as a measure of cellular immunity. DNCB is also used as a reagent for the detection and determination of pyridine compounds. 1-Chloro-2,4-Dinitrobenzene,2,4-Dinitrochlorobenzene,Benzene, 1-Chloro-2,4-Dinitro-,Chlorodinitrobenzene,DNCB,1 Chloro 2,4 Dinitrobenzene,2,4 Dinitrochlorobenzene
D005260 Female Females
D006168 Guinea Pigs A common name used for the genus Cavia. The most common species is Cavia porcellus which is the domesticated guinea pig used for pets and biomedical research. Cavia,Cavia porcellus,Guinea Pig,Pig, Guinea,Pigs, Guinea
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000595 Amino Acid Sequence The order of amino acids as they occur in a polypeptide chain. This is referred to as the primary structure of proteins. It is of fundamental importance in determining PROTEIN CONFORMATION. Protein Structure, Primary,Amino Acid Sequences,Sequence, Amino Acid,Sequences, Amino Acid,Primary Protein Structure,Primary Protein Structures,Protein Structures, Primary,Structure, Primary Protein,Structures, Primary Protein

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