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Actin and myosin II play major roles in cell migration. Whereas pseudopod extension by actin polymerization has been intensively researched, less attention has been paid to how the rest of the actin cytoskeleton such as the actin cortex contributes to cell migration. In this study, cortical actin and myosin II filaments were simultaneously observed in(More)
We have cloned a full-length cDNA encoding a novel myosin II heavy chain kinase (mhckC) from Dictyostelium. Like other members of the myosin heavy chain kinase family, the mhckC gene product, MHCK C, has a kinase domain in its N-terminal half and six WD repeats in the C-terminal half. GFP-MHCK C fusion protein localized to the cortex of interphase cells, to(More)
P2P applications impose an enormous traffic load on the Internet. Actually, however, topological difference between P2P network and underlying physical network (Internet network) is creating inefficient use of the physical network resources. To this problem, we propose P2P download control methods using router network parameters (e.g., number of(More)
The cytoplasmic linker protein (CLIP)-170, an outer kinetochore protein, has a role in kinetochore-microtubule attachment and chromosome alignment during mitosis. However, the mechanism by which CLIP-170 is involved in chromosome alignment is not known. Here, we show that CLIP-170 colocalizes with Polo-like kinase 1 (PLK1) at kinetochores during early(More)
Cancer tissues have biological characteristics similar to those observed in embryos during development. Many types of cancer cells acquire pro-invasive ability through epithelial-mesenchymal transition (EMT). Similar processes (gastrulation and migration of cranial neural crest cells [CNCC]) are observed in the early stages of embryonic development in(More)
—Topological difference between P2P network and underlying IP network is creating inefficient network resource usage as well as low application performance. To improve this situation, this paper proposes the network aware peer selection methods applicable to P2P file sharing. We compare the peer selection methods that use RTT, Window-size and path available(More)
Rat thymic grafts reconstituted T cell functions of BALB/c nude (nu/nu) mice to a considerable degree, but multiple organ-localized autoimmune diseases such as oophoritis and thyroiditis generally developed. The effector cell population in this autoimmune model was studied by adoptive transfer of the lesions into syngeneic nude mice. The transfer activity(More)
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