Search Results - "Troll, Walter"

Chymotrypsin-specific protease inhibitors decrease H2O2 formation by activated human polymorphonuclear leukocytes by Frenkel, K, Chrzan, K, Ryan, C A, Wiesner, R, Troll, W

“…Stimulated phagocytic cells generate active oxygen species which are known to contribute to inflammatory diseases, necrosis of surrounding tissues,…”
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Alterations in Cholinergic Signaling Modulate Contraction of Isolated Sea Urchin Tube Feet: Potential Role of Nitric Oxide by Billack, B., Laskin, J. D., Heck, P. T., Troll, W., Gallo, M. A., Heck, D. E.

“…Sea urchin tube feet contraction has been demonstrated to be controlled by cholinergic impulses but the signal transduction involved in this control mechanism…”
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Tumorigenesis in Mouse Skin: Inhibition by Synthetic Inhibitors of Proteases by Troll, Walter, Klassen, Arnold, Janoff, Aaron

“…Three synthetic inhibitors of proteases (tosyl lysine chloromethyl ketone, tosyl phenylalanine chloromethyl ketone, and tosyl arginine methyl ester) inhibit…”
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The Tumor-Promoter Phorbol Ester (12-0-Tetradecanoyl-Phorbol-13-Acetate), a Potent Aggregating Agent for Blood Platelets by Zucker, Marjorie B., Troll, Walter, Belman, Sidney

“…The phorbol ester 12-0-tetradecanoyl-phorbol-13-acetate, a potent tumor-promoting agent, caused irreversible platelet aggregation when more than 0.02 μM was…”
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Inhibition of oxidative stress in HeLa cells by chemopreventive agents by BHIMANI, R. S, TROLL, W, GRUNBERGER, D, FRENKEL, K

“…12-O-Tetradecanoylphorbol-13-acetate (TPA)-mediated oxidative stress in HeLa cells and its inhibition were studied by fluorometric measurement of H2O2 and by…”
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Inhibition of Macromolecular Synthesis in Escherichia coli by Protease Inhibitors by Rossman, Toby, Norris, Catherine, Troll, Walter

“…A number of chloromethyl ketone protease inhibitors reversibly inhibit β-galactosidase induction, growth, RNA synthesis, and protein synthesis in Escherichia…”
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Prevention of cancer by agents that suppress oxygen radical formation by Troll, W

“…The prevention of cancer by agents in our diet has led to the concept that oxygen radicals are a necessary component of a variety of human cancers including…”
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Attack of Sea Urchin Eggs by Dogfish Phagocytes: Model of Phagocyte-Mediated Cellular Cytotoxicity by Weissmann, Gerald, Finkelstein, Morris C., Csernansky, John, Quigley, James P., Quinn, Ruth S., Techner, Lee, Troll, Walter, Dunham, Philip B.

“…To test whether lysosomal degranulation of phagocytes is associated with antibody-dependent cytotoxicity, eggs of Arbacia punctulata were used as targets for…”
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Nutrition and Cancer. Raymond J. Shamberger by Troll, Walter

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Carcinogenic sulfide salts of nickel and cadmium induce H2O2 formation by human polymorphonuclear leukocytes by ZHAOJING ZHONG, TROLL, W, KOENIG, K. L, FRENKEL, K

“…Some derivatives of nickel, cadmium, and cobalt are carcinogenic in humans and/or animals but their mechanisms of action are not known. We show that they are…”
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Tamoxifen suppresses tumor promoter-induced hydrogen peroxide formation by human neutrophils by Lim, J S, Frenkel, K, Troll, W

“…Trans-tamoxifen (TAM) has been used successfully in therapy for estrogen-dependent human breast tumors and prevention of their recurrence. The mechanism of…”
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A PHOTOMETRIC METHOD FOR THE DETERMINATION OF PROLINE by Troll, Walter, Lindsley, John

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Protease Inhibitors Interfere with the Necessary Factors of Carcinogenesis by Troll, Walter

“…Many tumor promoters are inflammatory agents that stimulate the formation of oxygen radicals (^{\bullet}{\rm O}_{2}^{-}$) and hydrogen peroxide ( H2O2) in…”
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Modifiers of Free Radicals Inhibit in vitro the Oncogenic Actions of X-Rays, Bleomycin, and the Tumor Promoter 12-O-tetradecanoylphorbol 13-acetate by Borek, Carmia, Troll, Walter

“…Using short-term cultures of hamster embryo cells, we have examined the effects of the free-radical scavenger superoxide dismutase (superoxide:superoxide…”
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Protease Inhibitors as Cancer Chemopreventive Agents by Upton, A. C.

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Nanomolar concentrations of Bowman-Birk soybean protease inhibitor suppress x-ray-induced transformation in vitro by Yavelow, J, Collins, M, Birk, Y, Troll, W, Kennedy, A.R

“…Experiments reported here indicate a crude soybean extract, if defatted with acetone, effectively blocks cell transformation in vitro. An active component of…”
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N-monomethyl-L-arginine inhibits Arbacia fertilization and differentiation. (Reports from the Marine Biological Laboratory General Scientific Meetings) by Heck, Diane E, Laskin, Jeffrey D, Zigman, Seymour, Troll, Walter

“…The effects of N(super G)-monomethyl-L-arginine (NMMA) on the fertilization process were analyzed using fertilized sea urchin eggs. NMMA inhibits the…”
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Radiation-like modification of bases in DNA exposed to tumor promoter-activated polymorphonuclear leukocytes by FRENKEL, K, CHRZAN, K, TROLL, W, TEEBOR, G. W, STEINBERG, J. J

“…Oxygen species generated by human polymorphonuclear leukocytes (PMNs) activated by 12-O-tetradecanoylphorbol-13-acetate (TPA) caused the formation of…”
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Effects of tumor promoters by Troll, W

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Workshop report from the Division of Cancer Etiology, National Cancer Institute, National Institutes of Health. Protease inhibitors as cancer chemopreventive agents

“…This workshop was organized to discuss the current state of research on anticarcinogenic protease inhibitors with regard to their potential use as human cancer…”
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