Species restriction of Herpesvirus saimiri and Herpesvirus ateles: human lymphocyte transformation correlates with distinct signaling properties of viral oncoproteins. 2012

Kristin Katsch, and Sarah Jill de Jong, and Monika Schmidt, and Ingrid Müller-Fleckenstein, and Bernhard Fleckenstein, and Jens-Christian Albrecht, and Brigitte Biesinger
Institut für Klinische und Molekulare Virologie, Friedrich-Alexander-Universität Erlangen-Nürnberg, Germany.

The potential of Herpesvirus saimiri (HVS) subgroups A, B and C and Herpesvirus ateles (HVA) to transform primary T cells to permanent growth in vitro is restricted by the primate host species and by viral variability represented by distinct viral oncoproteins. We now addressed the relation between the transforming potential of the different viruses and the signaling pathways activated by transiently expressed oncoproteins. Marmoset lymphocytes were transformed by all HVS subgroups as well as HVA, while transformation of human cells was restricted to HVS-C and, unexpectedly, HVA. NF-κB and Src-family kinase (SFK) activity was required for survival of all transformed lymphocytes. Accordingly, NF-κB was induced by oncoproteins of all viruses. In contrast, SFK-related signaling was detectable only for oncoproteins of HVS-C and HVA. Thus, the restricted transformation of human lymphocytes likely correlates with the specific SFK targeting by these oncoproteins. These results will enable further studies into novel SFK effector mechanisms relevant for T-cell proliferation.

UI MeSH Term Description Entries
D008213 Lymphocyte Activation Morphologic alteration of small B LYMPHOCYTES or T LYMPHOCYTES in culture into large blast-like cells able to synthesize DNA and RNA and to divide mitotically. It is induced by INTERLEUKINS; MITOGENS such as PHYTOHEMAGGLUTININS, and by specific ANTIGENS. It may also occur in vivo as in GRAFT REJECTION. Blast Transformation,Blastogenesis,Lymphoblast Transformation,Lymphocyte Stimulation,Lymphocyte Transformation,Transformation, Blast,Transformation, Lymphoblast,Transformation, Lymphocyte,Activation, Lymphocyte,Stimulation, Lymphocyte
D011323 Primates An order of mammals consisting of more than 300 species that include LEMURS; LORISIDAE; TARSIERS; MONKEYS; and HOMINIDS. They are characterized by a relatively large brain when compared with other terrestrial mammals, forward-facing eyes, the presence of a CALCARINE SULCUS, and specialized MECHANORECEPTORS in the hands and feet which allow the perception of light touch. Primate
D002144 Callithrix A genus of the subfamily CALLITRICHINAE occurring in forests of Brazil and Bolivia and containing seventeen species. Callithrix jacchus,Hapale,Marmoset, Common,Marmoset, Short-Tusked,Marmosets,Common Marmoset,Common Marmosets,Marmoset,Marmoset, Short Tusked,Short-Tusked Marmoset,Short-Tusked Marmosets
D002478 Cells, Cultured Cells propagated in vitro in special media conducive to their growth. Cultured cells are used to study developmental, morphologic, metabolic, physiologic, and genetic processes, among others. Cultured Cells,Cell, Cultured,Cultured Cell
D006567 Herpesvirus 2, Saimiriine The type species of RHADINOVIRUS, in the subfamily GAMMAHERPESVIRINAE, isolated from squirrel monkeys. It produces malignant lymphomas (LYMPHOMA, MALIGNANT) in inoculated marmosets or owl monkeys. Herpesvirus 2, Saimirine,Herpesvirus 2 (gamma), Saimirine,Herpesvirus Saimiri,Saimiriine Herpesvirus 2,Saimirine Herpesvirus 2,Herpesvirus Saimirus,Saimiri, Herpesvirus,Saimirus, Herpesvirus
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D015398 Signal Transduction The intracellular transfer of information (biological activation/inhibition) through a signal pathway. In each signal transduction system, an activation/inhibition signal from a biologically active molecule (hormone, neurotransmitter) is mediated via the coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal transduction plays an important role in activating cellular functions, cell differentiation, and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell activation pathway, and the receptor-mediated activation of phospholipases. Those coupled to membrane depolarization or intracellular release of calcium include the receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic potentiation of protein kinase activation. Some signal transduction pathways may be part of larger signal transduction pathways; for example, protein kinase activation is part of the platelet activation signal pathway. Cell Signaling,Receptor-Mediated Signal Transduction,Signal Pathways,Receptor Mediated Signal Transduction,Signal Transduction Pathways,Signal Transduction Systems,Pathway, Signal,Pathway, Signal Transduction,Pathways, Signal,Pathways, Signal Transduction,Receptor-Mediated Signal Transductions,Signal Pathway,Signal Transduction Pathway,Signal Transduction System,Signal Transduction, Receptor-Mediated,Signal Transductions,Signal Transductions, Receptor-Mediated,System, Signal Transduction,Systems, Signal Transduction,Transduction, Signal,Transductions, Signal
D015513 Oncogene Proteins Proteins coded by oncogenes. They include proteins resulting from the fusion of an oncogene and another gene (ONCOGENE PROTEINS, FUSION). Oncogene Products,Oncoprotein,Oncoproteins,Oncogene Product,Oncogene Protein,Product, Oncogene,Products, Oncogene,Protein, Oncogene,Proteins, Oncogene
D018144 Rhadinovirus A genus of the family HERPESVIRIDAE, subfamily GAMMAHERPESVIRINAE, infecting New World primates and other species. HERPESVIRUS 2, SAIMIRIINE is the type species. Equine Herpesvirus 2,Herpesvirus 2, Ateline,Herpesvirus 2, Equid,Herpesvirus 4, Murid,Murine herpesvirus 68,Ateline Herpesvirus 2,Equid Herpesvirus 2,Herpesvirus 2 (gamma), Ateline,Herpesvirus Ateles,Mouse herpesvirus strain 68,Murid Herpesvirus 4,Ateles, Herpesvirus,Herpesvirus 2, Equine,Herpesvirus Atele,Rhadinoviruses

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