Jeongho Park

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The bandwidth-intensive immersive media services that were earlier confined to wired transmission are now making a foray into mobile devices. Video traffic constitutes a significant 51 percent of the mobile traffic volume and is expected to increase to 67 percent by 2017 [1, 2]. Full high definition (Full HD) video is also being increasingly shared through(More)
In recent years, mobile data traffic has been dramatically increased and is expected to continue its growth. To cope with the growing demand on mobile traffic, a radio access technology needs to be enhanced by improving spectral efficiency, increasing frequency bandwidth, or increasing cell density. However, the spectral efficiency of point-to-point(More)
Adipocyte differentiation is a complex developmental process forming adipocytes from various precursor cells. The murine 3T3-L1 preadipocyte cell line has been most frequently used in the studies of adipocyte differentiation. Differentiation of 3T3-L1 preadipocytes includes a medium containing fetal bovine serum (FBS) with hormonal induction. In this study,(More)
Glutathionylcobalamin (GSCbl) is a biologically relevant vitamin B12 derivative and contains glutathione as the upper axial ligand thought formation of a cobalt-sulfur bond. GSCbl has been shown to be an effective precursor of enzyme cofactors, however processing of the cobalamin in intracellular B12 metabolism has not been fully elucidated. In this study,(More)
Recent evidence shows that evolutionarily conserved signaling intermediate in Toll pathways (ECSIT) interacts with tumor necrosis factor receptor-associated factor 6 (TRAF6), is ubiquitinated, and contributes to bactericidal activity during Toll-like receptor (TLR) signaling. Here we report a new regulatory role for ECSIT in TLR4 signaling. On TLR4(More)