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2. Mangrove bacterial richness

Author

Gomes, Newton CM, Cleary, Daniel FR, Calado, Ricardo, and Costa, Rodrigo

Subjects
General Agricultural and Biological Sciences, Article Addendum
Abstract

Mangroves are complex and dynamic ecosystems varying in salinity, water level and nutrient availability; they also contain diverse and distinct microbial communities. Studies of microbes and their interactions with other ecosystem components (e.g., tree roots) are critical for our understanding of mangrove ecosystem functioning and remediation. Using a barcoding pyrosequencing approach, we previously noted the persistence of terrestrial bacterial populations on mangrove roots when nursery raised saplings were transplanted back to their natural environment. Here we go into further detail about the potential functional associations of bacterial guilds with distinct mangrove microhabitats including the rhizosphere. We also use a nonparametric richness estimator to show that estimated operational taxonomic unit (OTU) richness is more than twice that observed. In the transplant microhabitat, our estimate suggests that there are almost 7,000 OTU's for a sample size of 10,400 individual sequences with no sign of an asymptote, indicating that "true" richness for this microhabitat is substantially larger. Results on the number of bacterial OTU's should, however, be viewed with caution given that the barcoding pyrosequencing technique used can yield sequencing artifacts that may inflate richness estimates if not properly removed.

Published
2011

3. Microcosm Assessment of the Effect of an Acute Mercury Contamination Event on the Structure and Activity of Sediment Bacterial Communities

Author

Vanessa Oliveira, Bruna Marques, Newton Cm Gomes, Angela Cunha, Ana I. Lillebø, Adelaide Almeida, and Ana Elisa Bauer de Camargo Silva

Subjects
geography, Biogeochemical cycle, geography.geographical_feature_category, biology, Ecology, Sediment, chemistry.chemical_element, Estuary, Contamination, biology.organism_classification, Mercury (element), chemistry, Environmental chemistry, Environmental science, Sulfate-reducing bacteria, Microcosm, Bacteria
Abstract

Objectives: In the present study, the effect of acute mercury contamination on the structure and activity of bacterial communities in intertidal mudflats was assessed through a microcosm experiment simulating the mobilization of highly contaminated sub-surface sediments. Methods: Box-microcosms corresponding to different test conditions were constructed by mixing natural estuarine sediments with high and low concentrations of mercury in defined proportions. The effects on sediment bacteria were characterized by quantifying bacteria using fluorescent in situ hybridization (FISH) technique, assessing the community structural diversity by denaturating gradient gel electrophoresis (DGGE) and analysing descriptors of bacterial activity (extracellular enzymatic activity and leucine incorporation) at the beginning and at the end of a 7-days incubation period. Results: At the end of the experiment, total abundance of Bacteria was significantly higher in the low-Hg microcosms than in the high-Hg and blended-sediment microcosms. DGGE patterns revealed that the structure of sediment bacterial communities responded to the experimental treatment and to the incubation time. Bacterial activity was inhibited by mercury and that the levels of arylsulfatase and biomass productivity were inversely related with the Hg concentration. The proportion sulfate-reducing in relation to total prokaryotes increased at the end of the experiment, which might indicate a differential response of Bacteria and Archaea to confinement and mercury contamination. Conclusion: Mechanical disturbance of sediments historically exposed to mercury contamination, like bottom trawling or dredging, will cause the mobilization of deeper sediments highly contaminated with Hg which will impact the less contaminated surface sediments. These acute events will impact the structure and activity of bacterial communities and their contributions to the associated biogeochemical cycles, with expectable impacts at the ecosystem level.

Published
2015

4. The clopidogrel in unstable angina to prevent Recurrent Events (CURE) trial programme - Rationale, design and baseline characteristics including a meta-analysis of the effects of thienopyridines in vascular disease

Author

Yusuf, S., Mehta, S., Anand, S., Avezum, A., Awan, N., Bertrand, M., Blumenthal, M., Bouthier, J., Budaj, A., Ceremuzynski, L., Chrolavicius, S., Col, J., Commerford, P., Diaz, R., Flather, M., Fox, K., Franzosi, Mg, Gaudin, C., Gersh, B., Grossman, W., Halon, D., Hess, T., Hunt, D., Joyner, C., Karatzas, N., Keltai, M., Khurmi, N., Kopecky, S., Lewis, B., Maggioni, A., Malmberg, K., Moccetti, T., Morais, J., Paolasso, E., Peters, R., Piegas, L., Pipilis, A., Ramos-Corrales, Ma, Rupprecht, Hj, Ryden, L., Sitkei, E., Sotty, M., Tognoni, G., Valentin, V., Varigos, J., Widimsky, P., Wittlinger, T., Pogue, J., Copland, I., Cracknell, B., Demers, C., Eikelboom, J., Hall, K., Keys, J., Mcqueen, M., Montague, P., Morris, B., Ounpuu, S., Wright, C., Yacyshyn, V., Zhao, F., Lewis, Bs, Commerford, Pj, Wyse, G., Cairns, J., Hart, R., Hirsh, J., Gent, M., Ryan, T., Wittes, J., Auger, P., Basart, Dcg, Chan, Y., Raedt, H., Den Hartoog, M., Galli, M., Garcia-Guerrero, Jj, Marquis, Jf, Mauri, F., Mayosi, B., Natarajan, M., Nieminen, M., Norris, J., Panju, A., Peters, Rj, Renkin, J., Rihal, C., Szymanski, P., Wasek, W., Allende, G., Bono, Jo, Caccavo, A., Fernandez, Aa, Fuselli, Jj, Gambarte, Aj, Guerrero, Raa, Hasbani, Eg, Liprandi, As, Marzetti, E., Mon, G., Nordaby, R., Nul, D., Quijano, G., Salvati, A., San Martin, E., Sokn, F., Torre, H., Trivi, M., Tuero, E., Amerena, J., Bailey, N., Bett, Jhn, Buncle, A., Careless, D., Desilva, S., Ewart, A., Fitzpatrick, D., Garrahy, P., Gunawardane, K., Hamer, A., Hill, A., Jackson, B., Lane, G., Nelson, G., Owensby, D., Rees, D., Rosen, D., Sampson, J., Singh, B., Taylor, R., Thomson, A., Walsh, W., Watson, B., Glogar, H., Steinbach, K., Geutjens, L., Ledune, J., Lescot, C., Popeye, R., Vermeulen, J., Abrantes, Ja, Baruzzi, Ac, Bassan, R., Bodanese, Lc, Carvalho, Ac, Mario Coutinho, Albuquerque, Dc, Dutra, O., Esteves, Jp, Leaes, Pe, Marino, Rl, Neto, Jam, Nicolau, Jc, Rabelo, A., Timerman, A., Xavier, Ss, Bata, I., Bhargava, Rk, Bogaty, P., Bolduc, P., Boyne, T., Chan, Yk, D Astous, M., Davies, T., Dhingra, S., Desjardins, L., Douglas, Jg, Fortin, C., Fung, A., Gangbar, E., Gebhardt, V., Gervais, Pb, Giannoccaro, Jp, Gossard, D., Gosselin, G., Grandmont, D., Grover, A., Gupta, M., Hiscock, Jg, Hynd, Jwh, Hussain, M., Iless, A., Kitching, A., Kostuk, W., Kouz, S., Kwok, K., Lee, H., Lefkowitz, C., Lenis, J., Lubelsky, B., Ma, P., May, B., Mercier, M., Montigny, M., Morris, A., Nawaz, S., Pallie, S., Parekh, P., Pesant, Y., Pilon, C., Pistawka, K., Rajakumar, Arj, Rebane, T., Ricci, J., Ruel, M., Schuld, R., Starra, R., Sussex, B., Talbot, P., Theroux, P., Venkatesh, G., Weeks, As, Winkler, Lh, Wisenberg, G., Woo, K., Yu, E., Zadra, R., Bocek, P., Branny, M., Cepelak, V., Drapalik, V., Gregor, P., Groch, L., Jansky, P., Kalslerova, M., Starek, A., Svitil, P., Vaclavicek, A., Husted, S., Rasmussen, Lh, Nielsen, Hk, Hamalainen, T., Majamas-Voltti, K., Mustonen, J., Peuhkurinen, K., Raasakka, T., Ylitalo, A., Adam, Mc, Agraou, B., Amat, G., Bessede, G., Boulenc, Jm, Boureux, C., Dambrine, P., Decoulx, E., Delarche, N., Desjoyaux, E., D Hautefeuille, B., Dubois-Rande, Jl, Fadel, N., Fouche, R., Fournier, P., Haftel, Y., Kahn, Jc, Ketelers, Jy, Lallemant, R., Lang, M., Lelguen, C., Leroy, F., Montalescot, G., Poulard, Je, Richard, M., Wittenberg, O., Beythien, Rd, Dippold, Wg, Harenberg, J., Hasslacher, C., Hauptmann, Ke, Hempel, G., Horacek, T., Kaulhausen, A., Kohler, B., Kurz, C., Lengfelder, W., Liebau, G., Loos, U., Neuss, H., Ochs, Hr, Pollock, B., Post, G., Reismann, K., Sauer, M., Schmidt, A., Schmitt, H., Schuster, P., Trenkwalder, P., Uebis, R., Leitner, Er, Vossbeck, G., Christakos, S., Karidis, K., Kelesidis, K., Papadopoulos, K., Tirologos, A., Tsaknakis, T., Gesztesi, T., Herczeg, B., Janosi, A., Kalo, E., Karpati, P., Mesko, E., Mezofi, M., Poor, F., Regos, L., Rudas, L., Soltesz, P., Szaboki, F., Timar, S., Valyi, P., Zamolyi, K., Daly, Km, Meany, Bt, Sugrue, D., Caspi, A., David, D., Marmor, A., Nazzal, D., Omary, M., Reisin, L., Rosenfeld, T., Shasha, S., Vered, Z., Zimlichman, R., Bellet, C., Bernardi, D., Branzi, A., Ceci, V., Celegon, L., Cernigliaro, C., Corsini, G., Croce, A., Caterina, R., Servi, S., Di Biase, G., Di Chiara, A., Di Pasquale, G., Filorizzo, G., Fiorentini, C., Ignone, G., Lombardi, F., Mafrici, A., Margonato, A., Maurea, N., Meneghetti, P., Meniconi, L., Mennuni, M., Mininni, N., Murrone, A., Notaristefan, A., Pettinati, G., Pinelli, G., Rossi, R., Sanna, A., Scabbia, E., Terrosu, P., Trinchero, R., Ruiz, Ra, Diaz, Ac, Santamaria, Ih, Pons, Jll, Diaz, Cjs, Castro, Jat, Morales, Ev, Bronzwaer, Pna, Haan, Hpj, Grosfeld, Mjw, Heijmeriks, Ja, Jochemsen, Gm, Klomps, Hc, Landsaat, Pm, Michels, Hr, Peters, Jrm, Beek, Gj, Hiejden, R., Verheul, Ja, Viergever, Ep, Audeau, M., Bopitiya, U., Hills, M., Ikram, H., Erikssen, J., Morstel, T., Vik-Mo, H., Haerem, Jw, Achremczyk, P., Banasiak, W., Burduk, P., Danielewicz, H., Demczuk, M., Dworzanski, W., Frycz, J., Gessek, J., Gorny, J., Janik, K., Jedrzejowski, A., Kawka-Urbanek, T., Kozlowski, A., Krasowski, W., Maciejewicz, J., Majcher, Z., Malinowski, S., Marczyk, T., Miekus, P., Ogorek, M., Piepiorka, M., Religa, K., Reszka, Z., Smielak-Korombel, W., Susol, D., Szpajer, M., Ujda, M., Waszyrowski, T., Zebrowski, A., Zielinski, Z., Cardoso, P., Carrageta, M., Correia, A., Cunha, D., Ferreira, L., Ferreira, R., Ribeiro, Vg, Tuna, Jl, Gomes, Mv, Aboo, A., Bobak, L., Brown, B., Cassim, S., King, J., Manga, P., Maritz, F., Marx, Jd, Mekel, J., Myburgh, Dp, Routier, R., Orcajo, Na, Asin, E., Colomina, F., Del Nogal, F., Echanove, I., Ferriz, J., Alcantara, Ag, Guerrero, Jjg, Juanatey, Jrg, Jodar, L., Lekuona, I., Miralles, L., Llorian, Ar, Rovira, A., San Jose, Jm, Valle, V., Abdon, Nj, Bartholdson, B., Fredholm, O., Kristensson, Be, Messner, T., Moller, Bh, Rasmanis, G., Stjerna, A., Strandberg, Le, Tolhagen, K., Caduff, B., Christen, S., Gallino, A., Haller, A., Noseda, G., Schmidt, D., Weber, A., Allen, M., Allison, W., Berk, M., Blankenship, D., Browne, K., Bryg, Rj, Caputo, C., Carr, K., Chandrashekhar, Y., Chelliah, N., Courtney, Dl, Deedwania, P., Detrano, R., Dixon, Ew, Dzwonczyk, T., Egbujiobi, L., Erenrich, Nh, Frazier, R., Funai, J., Gammon, Rs, Geer, Vr, Ghali, J., Goldberg, Mc, Goldman, S., Grainer, S., Grewal, G., Hanley, P., Haronian, H., Hermany, R., Karlsberg, R., Kesselbrenner, M., Krantzler, J., Lader, Ew, Lakkis, N., Levites, R., Lewis, Wr, Losordo, Dw, Magorien, R., Minisi, A., Minor, St, Newton, Cm, Nisar, A., Pacheco, Tr, Papuchis, G., Promisloff, S., Puma, J., Rokey, R., Sacco, J., Saeian, K., Schlesinger, R., Sharma, Sc, Shettigar, R., Smith, K., Thadani, U., Thomas, I., Urban, Pl, Vallenkaran, G., Whitaker, J., Yellen, Lg, Zarich, S., Zaroff, J., Adgey, Yja, Brack, M., Bridges, A., Cohen, A., Currie, P., Dwight, Jf, Findlay, I., Foale, R., Gemmill, J., Goodfellow, J., Gray, Ke, Holdright, D., Jennings, K., Keeling, P., Ludman, P., Murphy, C., Oliver, Rm, Rodrigues, E., Smith, Rh, Sprigings, D., Stephens, J., Swan, J., Timmis, A., Vincent, R., Yusuf, S, Mehta, S, Anand, S, Avezum, A, Awan, N, Bertrand, M, Blumenthal, M, Bouthier, J, Budaj, A, Ceremuzynski, L, Chrolavicius, S, Col, J, Commerford, P, Diaz, R, Flather, M, Fox, K, Franzosi, Mg, Gaudin, C, Gersh, B, Grossman, W, Halon, D, Hess, T, Hunt, D, Joyner, C, Karatzas, N, Keltai, M, Khurmi, N, Kopecky, S, Lewis, B, Maggioni, A, Malmberg, K, Moccetti, T, Morais, J, Paolasso, E, Peters, R, Piegas, L, Pipilis, A, Ramos Corrales, Ma, Rupprecht, Hj, Ryden, L, Sitkei, E, Sotty, M, Tognoni, G, Valentin, V, Varigos, J, Widimsky, P, Wittlinger, T, Pogue, J, Copland, I, Cracknell, B, Demers, C, Eikelboom, J, Hall, K, Keys, J, Mcqueen, M, Montague, P, Morris, B, Ounpuu, S, Wright, C, Yacyshyn, V, Zhao, F, Commerford, Pj, Wyse, G, Cairns, J, Hart, R, Hirsh, J, Gent, M, Ryan, T, Wittes, J, Auger, P, Basart, Dcg, Chan, Y, De Raedt, H, den Hartoog, M, Galli, M, Garcia Guerrero, Jj, Marquis, Jf, Mauri, F, Mayosi, B, Natarajan, M, Nieminen, M, Norris, J, Panju, A, Peters, Rj, Renkin, J, Rihal, C, Szymanski, P, Wasek, W, Allende, G, Bono, Jo, Caccavo, A, Fernandez, Aa, Fuselli, Jj, Gambarte, Aj, Guerrero, Raa, Hasbani, Eg, Liprandi, A, Marzetti, E, Mon, G, Nordaby, R, Nul, D, Quijano, G, Salvati, A, San Martin, E, Sokn, F, Torre, H, Trivi, M, Tuero, E, Amerena, J, Bailey, N, Bett, Jhn, Buncle, A, Careless, D, Desilva, S, Ewart, A, Fitzpatrick, D, Garrahy, P, Gunawardane, K, Hamer, A, Hill, A, Jackson, B, Lane, G, Nelson, G, Owensby, D, Rees, D, Rosen, D, Sampson, J, Singh, B, Taylor, R, Thomson, A, Walsh, W, Watson, B, Glogar, H, Steinbach, K, Geutjens, L, Ledune, J, Lescot, C, Popeye, R, Vermeulen, J, Abrantes, Ja, Baruzzi, Ac, Bassan, R, Bodanese, Lc, Carvalho, Ac, Coutinho, M, de Albuquerque, Dc, Dutra, O, Esteves, Jp, Leaes, Pe, Marino, Rl, Neto, Jam, Nicolau, Jc, Rabelo, A, Timerman, A, Xavier, S, Bata, I, Bhargava, Rk, Bogaty, P, Bolduc, P, Boyne, T, Chan, Yk, D'Astous, M, Davies, T, Dhingra, S, Desjardins, L, Douglas, Jg, Fortin, C, Fung, A, Gangbar, E, Gebhardt, V, Gervais, Pb, Giannoccaro, Jp, Gossard, D, Gosselin, G, Grandmont, D, Grover, A, Gupta, M, Hiscock, Jg, Hynd, Jwh, Hussain, M, Iless, A, Kitching, A, Kostuk, W, Kouz, S, Kwok, K, Lee, H, Lefkowitz, C, Lenis, J, Lubelsky, B, Ma, P, May, B, Mercier, M, Montigny, M, Morris, A, Nawaz, S, Pallie, S, Parekh, P, Pesant, Y, Pilon, C, Pistawka, K, Rajakumar, Arj, Rebane, T, Ricci, J, Ruel, M, Schuld, R, Starra, R, Sussex, B, Talbot, P, Theroux, P, Venkatesh, G, Weeks, A, Winkler, Lh, Wisenberg, G, Woo, K, Yu, E, Zadra, R, Bocek, P, Branny, M, Cepelak, V, Drapalik, V, Gregor, P, Groch, L, Jansky, P, Kalslerova, M, Starek, A, Svitil, P, Vaclavicek, A, Husted, S, Rasmussen, Lh, Nielsen, Hk, Hamalainen, T, Majamas Voltti, K, Mustonen, J, Peuhkurinen, K, Raasakka, T, Ylitalo, A, Adam, Mc, Agraou, B, Amat, G, Bessede, G, Boulenc, Jm, Boureux, C, Dambrine, P, Decoulx, E, Delarche, N, Desjoyaux, E, D'Hautefeuille, B, Dubois Rande, Jl, Fadel, N, Fouche, R, Fournier, P, Haftel, Y, Kahn, Jc, Ketelers, Jy, Lallemant, R, Lang, M, Lelguen, C, Leroy, F, Montalescot, G, Poulard, Je, Richard, M, Wittenberg, O, Beythien, Rd, Dippold, Wg, Harenberg, J, Hasslacher, C, Hauptmann, Ke, Hempel, G, Horacek, T, Kaulhausen, A, Kohler, B, Kurz, C, Lengfelder, W, Liebau, G, Loos, U, Neuss, H, Ochs, Hr, Pollock, B, Post, G, Reismann, K, Sauer, M, Schmidt, A, Schmitt, H, Schuster, P, Trenkwalder, P, Uebis, R, von Leitner, Er, Vossbeck, G, Christakos, S, Karidis, K, Kelesidis, K, Papadopoulos, K, Tirologos, A, Tsaknakis, T, Gesztesi, T, Herczeg, B, Janosi, A, Kalo, E, Karpati, P, Mesko, E, Mezofi, M, Poor, F, Regos, L, Rudas, L, Soltesz, P, Szaboki, F, Timar, S, Valyi, P, Zamolyi, K, Daly, Km, Meany, Bt, Sugrue, D, Caspi, A, David, D, Marmor, A, Nazzal, D, Omary, M, Reisin, L, Rosenfeld, T, Shasha, S, Vered, Z, Zimlichman, R, Bellet, C, Bernardi, D, Branzi, A, Ceci, V, Celegon, L, Cernigliaro, C, Corsini, G, Croce, A, De Caterina, R, De Servi, S, Di Biase, G, Di Chiara, A, Di Pasquale, G, Filorizzo, G, Fiorentini, C, Ignone, G, Lombardi, F, Mafrici, A, Margonato, Alberto, Maurea, N, Meneghetti, P, Meniconi, L, Mennuni, M, Mininni, N, Murrone, A, Notaristefan, A, Pettinati, G, Pinelli, G, Rossi, R, Sanna, A, Scabbia, E, Terrosu, P, Trinchero, R, Ruiz, Ra, Diaz, Ac, Santamaria, Ih, Pons, Jll, Diaz, Cj, Castro, Jat, Morales, Ev, Bronzwaer, Pna, de Haan, Hpj, Grosfeld, Mjw, Heijmeriks, Ja, Jochemsen, Gm, Klomps, Hc, Landsaat, Pm, Michels, Hr, Peters, Jrm, van Beek, Gj, van der Hiejden, R, Verheul, Ja, Viergever, Ep, Audeau, M, Bopitiya, U, Hills, M, Ikram, H, Erikssen, J, Morstel, T, Vik Mo, H, Haerem, Jw, Achremczyk, P, Banasiak, W, Burduk, P, Danielewicz, H, Demczuk, M, Dworzanski, W, Frycz, J, Gessek, J, Gorny, J, Janik, K, Jedrzejowski, A, Kawka Urbanek, T, Kozlowski, A, Krasowski, W, Maciejewicz, J, Majcher, Z, Malinowski, S, Marczyk, T, Miekus, P, Ogorek, M, Piepiorka, M, Religa, K, Reszka, Z, Smielak Korombel, W, Susol, D, Szpajer, M, Ujda, M, Waszyrowski, T, Zebrowski, A, Zielinski, Z, Cardoso, P, Carrageta, M, Correia, A, Cunha, D, Ferreira, L, Ferreira, R, Ribeiro, Vg, Tuna, Jl, Gomes, Mv, Aboo, A, Bobak, L, Brown, B, Cassim, S, King, J, Manga, P, Maritz, F, Marx, Jd, Mekel, J, Myburgh, Dp, Routier, R, Orcajo, Na, Asin, E, Colomina, F, del Nogal, F, Echanove, I, Ferriz, J, Alcantara, Ag, Guerrero, Jjg, Juanatey, Jrg, Jodar, L, Lekuona, I, Miralles, L, Llorian, Ar, Rovira, A, San Jose, Jm, Valle, V, Abdon, Nj, Bartholdson, B, Fredholm, O, Kristensson, Be, Messner, T, Moller, Bh, Rasmanis, G, Stjerna, A, Strandberg, Le, Tolhagen, K, Caduff, B, Christen, S, Gallino, A, Haller, A, Noseda, G, Schmidt, D, Weber, A, Allen, M, Allison, W, Berk, M, Blankenship, D, Browne, K, Bryg, Rj, Caputo, C, Carr, K, Chandrashekhar, Y, Chelliah, N, Courtney, Dl, Deedwania, P, Detrano, R, Dixon, Ew, Dzwonczyk, T, Egbujiobi, L, Erenrich, Nh, Frazier, R, Funai, J, Gammon, R, Geer, Vr, Ghali, J, Goldberg, Mc, Goldman, S, Grainer, S, Grewal, G, Hanley, P, Haronian, H, Hermany, R, Karlsberg, R, Kesselbrenner, M, Krantzler, J, Lader, Ew, Lakkis, N, Levites, R, Lewis, Wr, Losordo, Dw, Magorien, R, Minisi, A, Minor, St, Newton, Cm, Nisar, A, Pacheco, Tr, Papuchis, G, Promisloff, S, Puma, J, Rokey, R, Sacco, J, Saeian, K, Schlesinger, R, Sharma, Sc, Shettigar, R, Smith, K, Thadani, U, Thomas, I, Urban, Pl, Vallenkaran, G, Whitaker, J, Yellen, Lg, Zarich, S, Zaroff, J, Adgey, Yja, Brack, M, Bridges, A, Cohen, A, Currie, P, Dwight, Jf, Findlay, I, Foale, R, Gemmill, J, Goodfellow, J, Gray, Ke, Holdright, D, Jennings, K, Keeling, P, Ludman, P, Murphy, C, Oliver, Rm, Rodrigues, E, Smith, Rh, Sprigings, D, Stephens, J, Swan, J, Timmis, A, and Vincent, R.

Abstract

Background Other than aspirin, there are few oral antithrombotic treatments with proven efficacy in patients with acute coronary syndrome. In this report, we present the rationale, design and baseline characteristics of the Clopidogrel in Unstable angina to prevent Recurrent ischaemic Events (CURE) trial, which includes a meta-analysis of the effects of thienopyridines in patients with vascular disease. Methods and Results Combined data from randomized trials of thienopyrindines in patients with atherosclerotic disease demonstrated a 29% reduction in vascular events when compared with placebo/control (n=2392) (OR 0.71, 95% CI 0.58-0.86, P=0.0006) and a 10% reduction in vascular events when compared with aspirin (n=22 254) (OR 0.91, 95% Cl 0.84-0.99, P=0.039). Similarly, randomized trials of aspirin plus thienopyridines in patients undergoing intracoronary stenting, demonstrated marked benefit of aspirin plus ticlopidine in reducing death or myocardial infarction compared with aspirin alone (OR 0.23, 95% CI 0.11-0.49, P=0.0001) or aspirin plus warfarin (OR 0.51, 95% CI 0.33-0.78, P=0.002). Whether these benefits extend to the much larger population of patients with acute coronary syndrome is unknown. CURE is an international, randomized, double-blind trial, in which patients with acute coronary syndrome will be randomized to receive either a bolus dose of clopidogrel (300 mg) followed by 75 mg per day for 3-12 months, or matching placebo. Both groups will receive aspirin. The co-primary efficacy end-points of CURE are: (1) the composite of cardiovascular death, myocardial infarction or stroke; and (2) the composite of cardiovascular death, myocardial infarction, stroke or refractory ischaemia. CURE will recruit approximately 12 500 patients with acute coronary syndrome (from 28 countries) and its power to detect moderate treatment benefits will be in the region of 80-90%, while maintaining an overall type I error (a) of 0.05. The baseline characteristics of the study population are consistent with at least a moderate risk group of patients with acute coronary syndrome. Conclusions Randomized trials of thienopyridines in patients with vascular disease demonstrate that thienopyridines are effective in reducing vascular events when compared with placebo/control or aspirin, as well as when used in combination with aspirin in patients undergoing intracoronary stent implantation. The CURE trial is a large international study to determine if acute and longterm treatment with the combination of clopidogrel and aspirin is superior to aspirin alone in patients with acute coronary syndrome. (C) 2000 The European Society of Cardiology. RI Nicolau, Jose/E-1487-2012

5. High-precision gravimetric coulometry using the silver-perchloric acid coulometer: Titration of arsenious oxide with electrogenerated iodine

Author

Newton Cm

Subjects
Inorganic chemistry, Oxide, chemistry.chemical_element, Coulometer, Iodine, Analytical Chemistry, Anode, law.invention, Coulometry, chemistry.chemical_compound, chemistry, law, Gravimetric analysis, Titration, Perchloric acid
Abstract

High-precision gravimetric coulometry with a silver—perchloric acid coulometer is evaluated as an alternative to the conventional titrimetric method. The loss of weight (caused by electrolytic dissolution) of a highly pure silver anode in series with the cathode of a conventional constant-current titration system is measured and related to the number of equivalents of substance titrated. The precision of the method is determined by titrations of the Standard Reference Material 83C arsenious oxide (99.99% pure) with electrogenerated iodine, using biamperometric end-point detection. Depending on the size of the sample, an ultimate precision of 25 ppm is obtained. The assay for 0.5-g samples of the SRM material is 99.9939 ± 0.0025% purity.

Published
1976

7. Regional innervation of the heart in the goldfish, Carassius auratus: a confocal microscopy study.

Author

Newton CM, Stoyek MR, Croll RP, and Smith FM

Subjects
Animals, Autonomic Nervous System anatomy & histology, Immunohistochemistry, Microscopy, Confocal, Goldfish anatomy & histology, Heart innervation
Abstract

The intracardiac nervous system represents the final common pathway for autonomic control of the vertebrate heart in maintaining cardiovascular homeostasis. In teleost fishes, details of the organization of this system are not well understood. Here we investigated innervation patterns in the heart of the goldfish, a species representative of a large group of cyprinids. We used antibodies against the neuronal markers zn-12, acetylated tubulin, and human neuronal protein C/D, as well as choline acetyltransferase, tyrosine hydroxylase, nitric oxide synthetase, and vasoactive intestinal polypeptide (VIP) to detect neural elements and their transmitter contents in wholemounts and sections of cardiac tissue. All chambers of the heart were innervated by choline acetyltransferase-positive axons, implying cholinergic regulation; and by tyrosine hydroxylase-containing axons, implying adrenergic regulation. The mean total number of intracardiac neurons was 713 ± 78 (SE), nearly half of which were cholinergic. Neuronal somata were mainly located in a ganglionated plexus around the sinoatrial valves. Somata were contacted by cholinergic, adrenergic, nitrergic, and VIP-positive terminals. Putative pacemaker cells, identified by immunoreactivity for hyperpolarization activated, cyclic nucleotide-gated channel 4, were located in the base of the sinoatrial valves, and this region was densely innervated by cholinergic and adrenergic terminals. We have shown that the goldfish heart possesses the necessary neuroanatomical substrate for fine, region-by-region autonomic control of the myocardial effectors that are involved in determining cardiac output., (Copyright © 2013 Wiley Periodicals, Inc.)

Published
2014
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8. Decoy receptor 3 (DcR3) is proteolytically processed to a metabolic fragment having differential activities against Fas ligand and LIGHT.

Author

Wroblewski VJ, Witcher DR, Becker GW, Davis KA, Dou S, Micanovic R, Newton CM, Noblitt TW, Richardson JM, Song HY, and Hale JE

Subjects
Animals, Fas Ligand Protein, Humans, Jurkat Cells, Male, Membrane Glycoproteins pharmacology, Mice, Peptide Fragments pharmacology, Peptide Hydrolases metabolism, Receptors, Tumor Necrosis Factor, Receptors, Tumor Necrosis Factor, Member 6b, Tumor Necrosis Factor Ligand Superfamily Member 14, Membrane Glycoproteins metabolism, Membrane Proteins metabolism, Receptors, Cell Surface metabolism, Tumor Necrosis Factor-alpha metabolism
Abstract

Fas ligand (FasL) and Fas receptor are members of the tumor necrosis factor (TNF) receptor and ligand family that play an important role in regulating apoptosis in normal physiology. Decoy receptor 3 (DcR3) is a novel member of the TNF receptor superfamily, which binds to and blocks the activities of the ligands FasL and LIGHT. We have demonstrated that DcR3 was degraded rapidly to a major circulating metabolic fragment after subcutaneous administration in primates and mice. This fragment was also generated in subcutaneous tissue homogenate in vitro. Mass spectrometry and N-terminal sequencing indicated that DcR3 was proteolytically cleaved between R218 and A219 in the primary sequence to yield the fragment DcR3(1-218). While retaining its ability to bind LIGHT and inhibit LIGHT-mediated activities, DcR3(1-218) no longer bound FasL and did not inhibit FasL-mediated apoptosis in vitro. The primary sequence of DcR3 was molecularly engineered, changing the arginine residue at position 218 to glutamine to generate an analog, DcR3(R218Q), which we termed FLINT (LY498919). We demonstrated that FLINT was more stable to proteolytic degradation in vitro and in vivo and maintained its activity against both soluble FasL and soluble LIGHT in vitro. As a result, the modification in the sequence of DcR3 to produce FLINT (LY498919) should result in a pharmacologically superior molecule in the therapeutic intervention of diseases in which the pathogenesis is linked to FasL-mediated apoptotic or inflammatory events.

Published
2003
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9. A method for the rapid detection of the zopiclone degradation product 2-amino-5-chloropyridine.

Author

Galloway JH, Marsh ID, Newton CM, and Forrest AR

Subjects
Azabicyclo Compounds, Forensic Medicine methods, Gas Chromatography-Mass Spectrometry, Humans, Hypnotics and Sedatives analysis, Piperazines analysis, Pyridines analysis, Substance Abuse Detection methods
Abstract

Zopiclone (Zimovane) is a cyclopyrrolone compound which exhibits hypnotic and sedative effects while also exhibiting anticonvulsant and muscle relaxant activities. The detection and quantification of zopiclone is difficult. It has a high molecular weight compared to most other commonly used drugs, therapeutic levels are not high, and it is unstable in nucleophilic solvents. A degradation product of zopiclone, 2-amino-5-chloropyridine (ACP) together with a method for its detection using high-performance liquid chromatography with diode array detection has been described previously. An account is presented of a simple method for the detection of ACP using gas chromatography with mass selective detection (GC/MS) which will facilitate detection of zopiclone use as part of a routine screen.

Published
1999
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10. An interactive graphics system for real-time investigation and multivariate data portrayal for complex pedigree data systems.

Author

Newton CM

Subjects
Computer Systems, Data Display, Epidemiologic Methods, Female, Humans, Male, Software, Computer Graphics, Multivariate Analysis, Pedigree
Abstract

GRIFFIN (graphics investigation of familial information), an interactive graphics system for exploratory investigation of data on individuals associated by familial relationships, was designed to provide genetic epidemiologists a flexible, rapidly responsive tool for viewing and guiding exploration of complex databases in the context of familiar pedigree structures. It graphically portrays both categorical and multivariate scalar data on individuals in those structures. The display can be inverted to show all ancestors and descendants of any individual the user designates. It provides cues to censored information when bushy pedigrees cannot be fully displayed without sacrificing legibility. These guide users on where to next invert the system. Investigators may translate/zoom the display, vary the mode of representing data, point to individuals to obtain displays of alphameric information about them, etc. Developed in Fortran using IBM's GDDM graphics subroutines for an IBM 3090 mainframe, GRIFFIN's design anticipates porting to smaller systems.

Published
1993
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11. An interactive graphics information system for familial data.

Author

Newton CM

Subjects
Female, Genetic Predisposition to Disease, Humans, Male, User-Computer Interface, Computer Graphics, Genetics, Medical, Pedigree, Software
Abstract

GRIFFIN, an interactive graphics system for studying familial information, facilitates viewing of complex databases and introduces graphical representations of multivariate scalar data into a conventional pedigree display format.

Published
1992

12. Applications of percutaneous transluminal coronary angioplasty in cardiac transplantation. Preliminary results in five patients.

Author

Vetrovec GW, Cowley MJ, Newton CM, Lewis SA, DiSciascio G, Thompson JA, Hastillo A, Lower R, and Hess M

Subjects
Adult, Coronary Disease etiology, Follow-Up Studies, Humans, Male, Middle Aged, Recurrence, Reoperation, Angioplasty, Balloon, Coronary Disease therapy, Heart Transplantation, Postoperative Complications therapy
Abstract

Atherosclerotic coronary artery disease is the major cause of late cardiac transplant failure secondary to silent ischemia and infarction. To increase the longevity of cardiac homografts, we performed percutaneous transluminal coronary angioplasty (PTCA) in five male patients (aged 45 +/- 7 years, mean +/- SEM); 17 lesions were dilated during eight procedures 83 +/- 11 months after cardiac transplant. PTCA was successful (greater than or equal to 20% change in vessel diameter) in 13 of 17 (76%) lesions (the degree of prePTCA stenosis was 84% +/- 3% vs. 40% +/- 4% postPTCA; p less than or equal to 0.01). Multiple PTCA procedures were performed for progressive coronary artery disease in two patients; in one patient, two procedures were 13 months apart, and, in the second patient, another three procedures were 2 and 6 months apart. Indications for PTCA included reversible thallium perfusion defects, segmental left ventricular wall-motion abnormalities, or both in the distribution of proximal coronary artery stenoses. No deterioration occurred in the four unsuccessful PTCA attempts (two patients with initial total occlusion, and two patients in whom the lesion could not be crossed with a guidewire). Noninvasive evidence of ischemia was improved immediately after PTCA in all cases. Three patients remain alive 5, 7, and 11 months, respectively, after PTCA without evidence of new ischemia. One patient died 39 months after his first PTCA, while another patient was retransplanted 8 months after the first PTCA. Thus, PTCA can be performed in cardiac transplant patients with proximal major vessel coronary artery disease and may prolong cardiac homograft function.(ABSTRACT TRUNCATED AT 250 WORDS)

Published
1988

13. High-precision gravimetric coulometry using the silver-perchloric acid coulometer: Titration of arsenious oxide with electrogenerated iodine.

Author

Newton CM

Abstract

High-precision gravimetric coulometry with a silver-perchloric acid coulometer is evaluated as an alternative to the conventional titrimetric method. The loss of weight (caused by electrolytic dissolution) of a highly pure silver anode in series with the cathode of a conventional constant-current titration system is measured and related to the number of equivalents of substance titrated. The precision of the method is determined by titrations of the Standard Reference Material 83C arsenious oxide (99.99% pure) with electrogenerated iodine, using biamperometric end-point detection. Depending on the size of the sample, an ultimate precision of 25 ppm is obtained. The assay for 0.5-g samples of the SRM material is 99.993(9) +/- 0.002(5)% purity.

Published
1977
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14. Campylobacter infection in a closed dog breeding colony.

Author

Newton CM, Newell DG, Wood M, and Baskerville M

Subjects
Animals, Antibodies, Bacterial analysis, Breeding, Campylobacter Infections diagnosis, Campylobacter Infections immunology, Dog Diseases immunology, Dogs, Enzyme-Linked Immunosorbent Assay, Campylobacter Infections veterinary, Dog Diseases diagnosis
Abstract

Most dogs in a closed breeding unit were shown to be asymptomatic excretors of campylobacter organisms by eight weeks old. Increasing serum antibody levels, which were correlated with the excretion of organisms, were demonstrated in the puppies and serum antibodies were also demonstrated in adult dogs. The significance of these findings with respect to the pathogenicity of campylobacter in dogs and their zoonotic implications are discussed.

Published
1988
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15. Biostatistical computing.

Author

Newton CM

Subjects
Animals, Biology, Data Display, Humans, Medicine, Research, Biometry, Computers, Statistics as Topic
Published
1974

16. Mebendazole for worming mice: effectiveness and side effects.

Author

Baskerville M, Wood M, and Newton CM

Subjects
Abnormalities, Drug-Induced, Animals, Female, Hymenolepiasis drug therapy, Male, Mebendazole adverse effects, Mebendazole pharmacology, Nematode Infections drug therapy, Pregnancy, Reproduction drug effects, Tail abnormalities, Hymenolepiasis veterinary, Mebendazole therapeutic use, Mice, Nematode Infections veterinary
Abstract

The use of mebendazole-treated diet (60 ppm) effectively controlled Hymenolepis nana and Aspiculuris tetraptera in a large mouse breeding colony. In a 3 generation pilot study using a medicated diet, there was some reduction in litter size and in female growth rate and an overall 2.07% incidence of kinky tails in the offspring. When the whole mouse colony was fed mebendazole-treated diet, a high incidence of kinky tails (maximum 46% of weaned offspring) occurred.

Published
1988
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17. Biomathematics in oncology: modeling of cellular systems.

Author

Newton CM

Subjects
Antineoplastic Agents metabolism, Cell Division, Erythropoiesis, Granulocytes physiology, Immunity, Mathematics, Stochastic Processes, Cell Physiological Phenomena, Hematopoiesis, Medical Oncology methods, Models, Theoretical, Neoplasms therapy
Published
1980
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18. Technique for guiding catheter exchange during coronary angioplasty while maintaining guidewire access across a coronary stenosis.

Author

Newton CM, Lewis SA, and Vetrovec GW

Subjects
Aged, Angiography, Constriction, Pathologic therapy, Coronary Angiography, Humans, Male, Angioplasty, Balloon methods, Coronary Disease therapy
Abstract

This case report describes a technique for guiding catheter exchange while angioplasty extended guidewire access is maintained across a coronary artery stenosis with a 245-cm-0.035-in.-long wire in the aorta to exchange for a more favorable guiding catheter. The indications, technique, and outcome of a case are described; it illustrates the usefulness of maintaining angioplasty guidewire access in a difficult-to-cross coronary stenosis.

Published
1988
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