Expression profile of nuclear receptors upon Epstein -- Barr virus induced B cell transformation. 2009

S P Yenamandra, and A Lundin, and V Arulampalam, and M Yurchenko, and S Pettersson, and G Klein, and E Kashuba
Department of Microbiology, Tumor and Cell Biology (MTC), Karolinska Institute, Stockholm S17177, Sweden.

BACKGROUND Infection of human B cells with Epstein - Barr virus (EBV) induces metabolic activation, morphological transformation, cell proliferation and eventual immortalization. OBJECTIVE To identify the nuclear receptors, which are the cellular interaction partners of EBNAs, that will help to elucidate the mechanism of B cell transformation. METHODS We have compared the nuclear receptor profile in the naïve and EBV-transformed B-lymphocytes, using TaqMan LDA microfluidic card technology. RESULTS Out of 48 nuclear receptor, 17 showed differential expression at the mRNA level. The expression of 5 genes was elevated in EBV-transformed cells, whereas 12 genes were downregulated in lymphoblastoid cells (LCLs). 7 genes were studied at the protein level; 2 genes were up regulated (Nr2F2 and RARA) and 4 genes were down regulated (ERB, NUR77, PPARG, and VDR) in LCLs. CONCLUSIONS The nuclear receptor profiling on EBV infected B cells showed alterations of nuclear receptors expression at both mRNA and protein levels compared with non infected peripheral blood cells. Further analysis on a possible role of each nuclear receptor in EBV induced cell transformation should be performed.

UI MeSH Term Description Entries
D002471 Cell Transformation, Neoplastic Cell changes manifested by escape from control mechanisms, increased growth potential, alterations in the cell surface, karyotypic abnormalities, morphological and biochemical deviations from the norm, and other attributes conferring the ability to invade, metastasize, and kill. Neoplastic Transformation, Cell,Neoplastic Cell Transformation,Transformation, Neoplastic Cell,Tumorigenic Transformation,Cell Neoplastic Transformation,Cell Neoplastic Transformations,Cell Transformations, Neoplastic,Neoplastic Cell Transformations,Neoplastic Transformations, Cell,Transformation, Cell Neoplastic,Transformation, Tumorigenic,Transformations, Cell Neoplastic,Transformations, Neoplastic Cell,Transformations, Tumorigenic,Tumorigenic Transformations
D004854 Herpesvirus 4, Human The type species of LYMPHOCRYPTOVIRUS, subfamily GAMMAHERPESVIRINAE, infecting B-cells in humans. It is thought to be the causative agent of INFECTIOUS MONONUCLEOSIS and is strongly associated with oral hairy leukoplakia (LEUKOPLAKIA, HAIRY;), BURKITT LYMPHOMA; and other malignancies. Burkitt Herpesvirus,Burkitt Lymphoma Virus,E-B Virus,EBV,Epstein-Barr Virus,Human Herpesvirus 4,Infectious Mononucleosis Virus,Burkitt's Lymphoma Virus,HHV-4,Herpesvirus 4 (gamma), Human,Burkitts Lymphoma Virus,E B Virus,E-B Viruses,Epstein Barr Virus,Herpesvirus, Burkitt,Infectious Mononucleosis Viruses,Lymphoma Virus, Burkitt,Mononucleosis Virus, Infectious,Mononucleosis Viruses, Infectious
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001402 B-Lymphocytes Lymphoid cells concerned with humoral immunity. They are short-lived cells resembling bursa-derived lymphocytes of birds in their production of immunoglobulin upon appropriate stimulation. B-Cells, Lymphocyte,B-Lymphocyte,Bursa-Dependent Lymphocytes,B Cells, Lymphocyte,B Lymphocyte,B Lymphocytes,B-Cell, Lymphocyte,Bursa Dependent Lymphocytes,Bursa-Dependent Lymphocyte,Lymphocyte B-Cell,Lymphocyte B-Cells,Lymphocyte, Bursa-Dependent,Lymphocytes, Bursa-Dependent
D012333 RNA, Messenger RNA sequences that serve as templates for protein synthesis. Bacterial mRNAs are generally primary transcripts in that they do not require post-transcriptional processing. Eukaryotic mRNA is synthesized in the nucleus and must be exported to the cytoplasm for translation. Most eukaryotic mRNAs have a sequence of polyadenylic acid at the 3' end, referred to as the poly(A) tail. The function of this tail is not known for certain, but it may play a role in the export of mature mRNA from the nucleus as well as in helping stabilize some mRNA molecules by retarding their degradation in the cytoplasm. Messenger RNA,Messenger RNA, Polyadenylated,Poly(A) Tail,Poly(A)+ RNA,Poly(A)+ mRNA,RNA, Messenger, Polyadenylated,RNA, Polyadenylated,mRNA,mRNA, Non-Polyadenylated,mRNA, Polyadenylated,Non-Polyadenylated mRNA,Poly(A) RNA,Polyadenylated mRNA,Non Polyadenylated mRNA,Polyadenylated Messenger RNA,Polyadenylated RNA,RNA, Polyadenylated Messenger,mRNA, Non Polyadenylated
D015153 Blotting, Western Identification of proteins or peptides that have been electrophoretically separated by blot transferring from the electrophoresis gel to strips of nitrocellulose paper, followed by labeling with antibody probes. Immunoblotting, Western,Western Blotting,Western Immunoblotting,Blot, Western,Immunoblot, Western,Western Blot,Western Immunoblot,Blots, Western,Blottings, Western,Immunoblots, Western,Immunoblottings, Western,Western Blots,Western Blottings,Western Immunoblots,Western Immunoblottings
D015870 Gene Expression The phenotypic manifestation of a gene or genes by the processes of GENETIC TRANSCRIPTION and GENETIC TRANSLATION. Expression, Gene,Expressions, Gene,Gene Expressions
D018160 Receptors, Cytoplasmic and Nuclear Intracellular receptors that can be found in the cytoplasm or in the nucleus. They bind to extracellular signaling molecules that migrate through or are transported across the CELL MEMBRANE. Many members of this class of receptors occur in the cytoplasm and are transported to the CELL NUCLEUS upon ligand-binding where they signal via DNA-binding and transcription regulation. Also included in this category are receptors found on INTRACELLULAR MEMBRANES that act via mechanisms similar to CELL SURFACE RECEPTORS. Cytoplasmic Receptor,Cytoplasmic and Nuclear Receptors,Cytosolic and Nuclear Receptors,Hormone Receptors, Cytoplasmic,Hormone Receptors, Nuclear,Nuclear Hormone Receptor,Nuclear Receptor,Nuclear and Cytoplasmic Receptors,Cytoplasmic Hormone Receptors,Cytoplasmic Receptors,Cytosol and Nuclear Receptors,Intracellular Membrane Receptors,Nuclear Hormone Receptors,Nuclear Receptors,Receptors, Cytoplasmic,Receptors, Cytosol and Nuclear,Receptors, Cytosolic and Nuclear,Receptors, Intracellular Membrane,Receptors, Nuclear,Receptors, Nuclear and Cytoplasmic,Hormone Receptor, Nuclear,Membrane Receptors, Intracellular,Receptor, Cytoplasmic,Receptor, Nuclear,Receptor, Nuclear Hormone,Receptors, Cytoplasmic Hormone,Receptors, Nuclear Hormone
D019309 Epstein-Barr Virus Nuclear Antigens Nuclear antigens encoded by VIRAL GENES found in HUMAN HERPESVIRUS 4. At least six nuclear antigens have been identified. EBV Nuclear Antigen,EBV Nuclear Antigens,Epstein-Barr Virus Nuclear Antigen,Herpesvirus 4, Human Nuclear Antigens,Nuclear Antigens, Herpesvirus 4, Human,Antigen, EBV Nuclear,Epstein Barr Virus Nuclear Antigen,Epstein Barr Virus Nuclear Antigens,Nuclear Antigen, EBV,Nuclear Antigens, EBV
D020031 Epstein-Barr Virus Infections Infection with human herpesvirus 4 (HERPESVIRUS 4, HUMAN); which may facilitate the development of various lymphoproliferative disorders. These include BURKITT LYMPHOMA (African type), INFECTIOUS MONONUCLEOSIS, and oral hairy leukoplakia (LEUKOPLAKIA, HAIRY). EBV Infections,Epstein-Barr Virus Infection,Herpesvirus 4 Infections, Human,Human Herpes Virus 4 Infections,Human Herpesvirus 4 Infections,Infections, EBV,Infections, Epstein-Barr Virus,EBV Infection,Epstein Barr Virus Infection,Epstein Barr Virus Infections,Infection, EBV,Infection, Epstein-Barr Virus,Virus Infection, Epstein-Barr,Virus Infections, Epstein-Barr

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