Search Results - "Nachmias, Vivianne T."

Beta thymosins as actin binding peptides by Safer, D, Nachmias, V T

“…The beta thymosins are a highly conserved family of strongly polar 5 kDa polypeptides that are widely distributed among vertebrate classes; most are now known…”
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Reversible association of myosin with the platelet cytoskeleton by Nachmias, Vivianne T, Kavaler, Joshua, Jacubowitz, Sam

“…Platelets circulating in the human blood stream are smooth disk-shaped structures. The disks change within seconds of exposure to ADP or thrombin to irregular…”
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Small actin-binding proteins: the beta-thymosin family by Nachmias, V T

“…Thymosin beta 4 is a major actin monomer binding protein present at high concentration in many vertebrate cells and cell lines. The interactions of actin with…”
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Thymosin β4 and Fx, an actin-sequestering peptide, are indistinguishable by SAFER, D, ELZINGA, M, NACHMIAS, V. T

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Thymosin β4 sequesters the majority of G-actin in resting human polymorphonuclear leukocytes by CASSIMERIS, L, SAFER, D, NACHMIAS, V. T, ZIGMOND, S. H

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Isolation of a 5-Kilodalton Actin-Sequestering Peptide from Human Blood Platelets by Safer, Daniel, Golla, Rajasree, Nachmias, Vivianne T.

“…Resting human platelets contain ≈0.3 mM unpolymerized actin. When freshly drawn and washed platelets are treated with saponin, 85-90% of the unpolymerized…”
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Chemoattractant-elicited translocation of myosin in motile Dictyostelium by Nachmias, V T, Fukui, Y, Spudich, J A

“…The distribution of myosin was studied in amebae of the Ax-3 and NC-4 strains of Dictyostelium migrating at room temperature, using indirect immunofluorescence…”
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Cap Z, a calcium insensitive capping protein in resting and activated platelets by Nachmias, Vivianne T., Golla, Rajasree, Casella, James F., Barron-Casella, Emily

“…Capping of the barbed-ends of actin filaments is an important mechanism for control of the cytoskeleton. In platelets, a valuable model system, it has been…”
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Cytoskeleton of Human Platelets at Rest and after Spreading by Nachmias, Vivianne T.

“…The fine structure of resting and activated platelets was compared using two approaches novel to this dense cytoplasm. First, rapid lysis of platelets on…”
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Cell Dynamics. Volume 1: Cytoplasmic Streaming, Cell Movement-Contraction and Migration, Cell and Organelle Division, Phototaxis of Cell and Cell Organelle. M. Tazawa Cell Dynamics. Volume 2: Molecular Aspects of Cell Motility, Cytoskeleton in Cellular Structure and Activity. M. Tazawa by Nachmias, Vivianne T.

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The Relationship between Stress Fiber-like Structures and Nascent Myofibrils in Cultured Cardiac Myocytes by Dlugosz, Andrzej A., Antin, Parker B., Nachmias, Vivianne T., Holtzer, Howard

“…The topographical relationship between stress fiber-like structures (SFLS) and nascent myofibrils was examined in cultured chick cardiac myocytes by…”
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Thymosin (beta4) sequesters the majority of G-actin in resting human polymorphonuclear leukocytes by Cassimeris, Lynne, Safer, Daniel, Nachmias, Vivianne T, Zigmond, S H

“…To determine whether chemoattractant induced actin polymerization results from an inactivation of thymosin beta4, the G-actin sequestering activity of…”
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Formation and Contraction of a Microfilamentous Shell in Saponin-Permeabilized Platelets by Stark, Freddy, Golla, Rajasree, Nachmias, Vivianne T.

“…To study the mechanism of granule centralization in platelets, we permeabilized with saponin in either EGTA (5 mM) or calcium (1 or 10 μM). Under all…”
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Role of Stress Fiber-like Structures in Assembling Nascent Myofibrils in Myosheets Recovering from Exposure to Ethyl Methanesulfonate by Antin, Parker B., Tokunaka, Sohei, Nachmias, Vivianne T., Holtzer, Howard

“…When day 1 cultures of chick myogenic cells were exposed to the mutagenic alkylating agent ethyl methanesulfonate (EMS) for 3 d, 80% of the replicating cells…”
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Platelet and megakaryocyte shape change: triggered alterations in the cytoskeleton by Nachmias, V T

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Platelets contain a 21 ok microtubule-associated protein related to a similar protein in hela cells by Tablin, Fern, Reeber, Miriam J., Nachmias, Vivianne T.

“…ABSTRACT We have demonstrated the presence of a 210K (K= 103Mr) microtubule-associated protein (MAP) in blood platelets and have studied its relationship to…”
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Cultured Megakaryocytes: Changes in the Cytoskeleton after ADP-Induced Spreading by Leven, Robert M., Nachmias, Vivianne T.

“…Megakaryocytes from guinea pig bone marrow were isolated and maintained in liquid culture and were treated with ADP, thrombin, arachidonic acid, or collagen…”
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Components of the cytoskeleton in the retinal pigmented epithelium of the chick by Philp, N.J, Nachmias, V.T

“…The retinal pigmented epithelium (RPE) is a simple cuboidal epithelium with apical processes which, unlike many epithelia, do not extend freely into a lumen…”
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STUDIES ON STREAMING: I. Inhibition of Protoplasmic Streaming and Cytokinesis of by Nachmias, Vivianne T.

“…In Chaos chaos streaming, motility, and cytokinesis were inhibited nearly 100% for several hours by 2.5–5 m M sodium adenosine triphosphate (ATP) 1 added to…”
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STUDIES ON STREAMING by Nachmias, Vivianne T.

“…In Chaos chaos streaming, motility, and cytokinesis were inhibited nearly 100% for several hours by 2.5–5 mM sodium adenosine triphosphate (ATP)1 added to…”
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