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Identification of protein tyrosine kinases required for B-cell- receptor-mediated activation of an Epstein-Barr Virus immediate-early gene promoter

Epstein-Barr Virus (EBV) is a potentially oncogenic herpesvirus that infects >90% of the world's population. EBV exists predominantly as a latent infection in B lymphocytes, with periodic lytic-cycle reactivation essential for cellular and host...
Authors: Lavens S, Faust EA, Lu F, Jacob M, Leta M, Lieberman PM and Pure E

Alloantigen specific CD8+CD28- FOXP3+ T suppressor cells induce ILT3+ ILT4+ tolerogenic endothelial cells, inhibiting alloreactivity

Endothelial cells have been shown to activate T cell responses to alloantigens, triggering transplant rejection. However, they may also play a role in tolerance induction. Using RT-PCR we show here that alloantigen specific CD8(+)CD28(-) T suppressor...
Authors: Manavalan JS, Kim-Schulze S, Scotto L, Naiyer AJ, Vlad G, Colombo PC, Marboe C, Mancini D, Cortesini...

Secretory Leukocyte Protease Inhibitor Binds to Annexin II, a Cofactor for Macrophage HIV-1 Infection

The distribution of secretory leukocyte protease inhibitor (SLPI) at entry portals indicates its involvement in defending the host from pathogens, consistent with the ability of SLPI to inhibit human immunodeficiency virus (HIV)-1 infection by an...
Authors: Ma G, Greenwell-Wild T, Lei K, Jin W, Swisher J, Hardegen N, Wild CT and Wahl SM

AILIM/ICOS signaling induces T-cell migration/polarization of memory/effector T-cells

AILIM/ICOS has critical roles in the regulation of T-cell differentiation and effector T-cell function in various immune responses. The counter-ligand for AILIM/ICOS, B7h, is widely expressed in not only lymphoid tissue and antigen-presenting cells,...
Authors: Okamoto N, Nukada Y, Tezuka K, Ohashi K, Mizuno K and Tsuji T

Invasion of v-Fos(FBR)-transformed cells is dependent upon histone deacetylase activity and suppression of histone deacetylase regulated genes

Transformation of fibroblasts with the v-fos oncogene produces a highly invasive phenotype that is mediated by changes in gene expression. Inhibition of histone deacetylase (HDAC) activity with trichostatin A (TSA) or valproic acid (VPA) at...
Authors: McGarry LC, Winnie JN and Ozanne BW

Brain-derived neurotrophic factor regulates the onset and severity of motor dysfunction associated with enkephalinergic neuronal degeneration in Huntington's disease

The mechanism that controls the selective vulnerability of striatal neurons in Huntington's disease is unclear. Brain-derived neurotrophic factor (BDNF) protects striatal neurons and is regulated by Huntingtin through the interaction with the...
Authors: Canals JM, Pineda JR, Torres-Peraza JF, Bosch M, Martin-Ibanez R, Munoz MT, Mengod G, Ernfors P and...

Human cytokine-induced killer cells have enhanced in vitro cytolytic activity via non-viral interleukin-2 gene transfer

Modulation of the immune system by genetically modified immunological effector cells is of potential therapeutic value in the treatment of malignancies. Interleukin-2 (IL-2) is a crucial cytokine which induces potent antitumor response....
Authors: Nagaraj S, Ziske C and Schmidt-Wolf IG

Mitogen- and stress-activated protein kinase 1 mediates cAMP response element-binding protein phosphorylation and activation by neurotrophins.

Activation of the transcription factor cAMP response element-binding protein (CREB) by neurotrophins is believed to regulate the survival, differentiation, and maturation of neurons in the CNS and PNS. Although phosphorylation of Ser133 is critical...
Authors: Arthur JS, Fong AL, Dwyer JM, Davare M, Reese E, Obrietan K and Impey S

The Fanconi anaemia gene FANCC promotes homologous recombination and error-prone DNA repair

The Fanconi anemia (FA) protein FANCC is essential for chromosome stability in vertebrate cells, a feature underscored by the extreme sensitivity of FANCC-deficient cells to agents that crosslink DNA. However, it is not known how this FA protein...
Authors: Niedzwiedz W, Mosedale G, Johnson M, Ong CY, Pace P and Patel KJ

Axonal growth is sensitive to the levels of katanin, a protein that severs microtubules

Katanin is a heterodimeric enzyme that severs microtubules from the centrosome so that they can move into the axon. Katanin is broadly distributed in the neuron, and therefore presumably also severs microtubules elsewhere. Such severing would...
Authors: Karabay A, Yu W, Solowska JM, Baird DH and Baas PW