Bong Yoon Kim

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A null mutation in the gene encoding the putative E3 ubiquitin-protein ligase Mahogunin causes spongiform neurodegeneration, a recessively transmitted prion-like disease in mice. However, no substrates of Mahogunin have been identified, and the cellular role of Mahogunin is unknown. Here, we report the identification of TSG101, a key component of the(More)
Glial cell line-derived neurotrophic factor (GDNF) has been shown to exert a target-derived trophic factor for motor neurons. Immunohistochemical analyses revealed that expression of GDNF in regeneration muscle fibers was up-regulated in polymyositis (PM) and Duchenne type muscular dystrophy (DMD). Reverse transcriptase polymerase chain reaction (RT-PCR)(More)
Vesicle-mediated protein sorting plays an important role in segregation of intracellular molecules into distinct organelles. Extensive genetic studies using yeast have identified more than 40 vacuolar protein sorting (VPS) genes involved in vesicle transport to vacuoles. However, their mammalian counterparts are not fully elucidated. In this study, we(More)
Facioscapulohumeral muscular dystrophy (FSHD; MIM 158900) is one of the major forms of muscular dystrophy, and is inherited in an autosomal dominant fashion. In most patients with FSHD, deletion of 3.3 kb tandemly repeated units within the EcoRI fragment, as detected by p13E-11 (D4F104S1) on chromosome 4q35, is associated with the disease (FSHD1A or(More)
Scatter factor/hepatocyte growth factor (SF/HGF) and its tyrosine kinase receptor c-met are developmentally expressed, neuroprotective, and tumorigenic within the CNS. In the present study SF/HGF is shown to induce the expression of c-met in two human glioblastoma cell lines, U-373 MG and T98G, and the signaling pathways involved in this induction are(More)
Membrane docking and fusion in neurons is a highly regulated process requiring the participation of a large number of SNAREs (soluble N-ethylmaleimide sensitive factor attachment protein receptors) and SNARE-interacting proteins. We found that mammalian Class C Vps protein complex associated specifically with nSec-1/Munc18-a, and syntaxin 1A both in vivo(More)
Many multiprotein complexes mediate the fusion of the intracellular membranes. The question how the specificity of the membrane fusion is controlled has not been fully elucidated. Here we report the identification of a mouse homologue Vps16p (mVps16), which exhibits a high homology to the yeast Vps16p, a component of Class C vacuolar protein sorting (Vps)(More)
Synaptic vesicle fusion events are essential for synaptic transmission. Membrane docking and fusion events are highly regulated processes requiring the participation of a large number of soluble N-ethylmaleimide-sensitive factors (SNAREs) and SNARE-interacting proteins. We report the neuronal expression of mammalian homologue of vacuolar protein sorting 16(More)
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