A. Iwamatsu

Publications221
h-index80
Citations31,227
Highly Influential Citations1,754
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Regulation of Myosin Phosphatase by Rho and Rho-Associated Kinase (Rho-Kinase)
The small guanosine triphosphatase Rho is implicated in myosin light chain (MLC) phosphorylation, which results in contraction of smooth muscle and interaction of actin and myosin in nonmuscle cells.… Expand
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A caspase-activated DNase that degrades DNA during apoptosis, and its inhibitor ICAD
The homeostasis of animals is regulated not only by the growth and differentiation of cells, but also by cell death through a process known as apoptosis. Apoptosis is mediated by members of the… Expand
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The SRA protein Np95 mediates epigenetic inheritance by recruiting Dnmt1 to methylated DNA
DNA methyltransferase (cytosine-5) 1 (Dnmt1) is the principal enzyme responsible for maintenance of CpG methylation and is essential for the regulation of gene expression, silencing of parasitic DNA… Expand
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Identification of a factor that links apoptotic cells to phagocytes
Apoptotic cells are rapidly engulfed by phagocytes to prevent the release of potentially noxious or immunogenic intracellular materials from the dying cells, thereby preserving the integrity and… Expand
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Signaling from Rho to the actin cytoskeleton through protein kinases ROCK and LIM-kinase.
The actin cytoskeleton undergoes extensive remodeling during cell morphogenesis and motility. The small guanosine triphosphatase Rho regulates such remodeling, but the underlying mechanisms of this… Expand
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Rac1 and Cdc42 Capture Microtubules through IQGAP1 and CLIP-170
Linkage of microtubules to special cortical regions is essential for cell polarization. CLIP-170 binds to the growing ends of microtubules and plays pivotal roles in orientation. We have found that… Expand
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A novel signaling molecule, p130, forms stable complexes in vivo with v‐Crk and v‐Src in a tyrosine phosphorylation‐dependent manner.
p47v‐crk (v‐Crk), a transforming gene product containing Src homology (SH)‐2 and ‐3 domains, induces an elevated level of tyrosine phosphorylation of several cellular proteins. Among these proteins,… Expand
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Mammalian Lgl Forms a Protein Complex with PAR-6 and aPKC Independently of PAR-3 to Regulate Epithelial Cell Polarity
BACKGROUND Epithelial cells have apicobasal polarity and an asymmetric junctional complex that provides the bases for development and tissue maintenance. In both vertebrates and invertebrates, the… Expand
  • 361
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Actin polymerization is induced by Arp 2/3 protein complex at the surface of Listeria monocytogenes
The pathogenic bacterium Listeria monocytogenes is capable of directed movement within the cytoplasm of infected host cells. Propulsion is thought to be driven by actin polymerization at the… Expand
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Characterization of Two Related Drosophila γ-tubulin Complexes that Differ in Their Ability to Nucleate Microtubules
γ-tubulin exists in two related complexes in Drosophila embryo extracts (Moritz, M., Y. Zheng, B.M. Alberts, and K. Oegema. 1998. J. Cell Biol. 142:1– 12). Here, we report the purification and… Expand
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