Zobrazeno 1 - 10
of 944
pro vyhledávání: '"Stephen A. Ward"'
Autor:
Aekkarin Klinkhamhom, Supattra Glaharn, Charit Srisook, Sumate Ampawong, Srivicha Krudsood, Stephen A. Ward, Parnpen Viriyavejakul
Publikováno v:
Malaria Journal, Vol 19, Iss 1, Pp 1-9 (2020)
Abstract Background Pulmonary oedema (PE) is a serious complication of Plasmodium falciparum malaria which can lead to acute lung injury in severe cases. Lung macrophages are activated during malaria infection due to a complex host-immune response. T
Externí odkaz:
https://doaj.org/article/35ec0c5bea2a46d09be53953610652e9
Autor:
Grazia Camarda, Piyaporn Jirawatcharadech, Richard S. Priestley, Ahmed Saif, Sandra March, Michael H. L. Wong, Suet Leung, Alex B. Miller, David A. Baker, Pietro Alano, Mark J. I. Paine, Sangeeta N. Bhatia, Paul M. O’Neill, Stephen A. Ward, Giancarlo A. Biagini
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-9 (2019)
Primaquine (PQ) is a widely used anti-malaria drug, but its mechanism of action is unclear. Here, Camarda et al. show that PQ’s activity against liver and sexual Plasmodium stages depends on generation of hydroxylated-PQ metabolites (OH-PQm), which
Externí odkaz:
https://doaj.org/article/53df786506df4fffaf54431621d57eba
Autor:
Rachel H. Clare, Catherine Bardelle, Paul Harper, W. David Hong, Ulf Börjesson, Kelly L. Johnston, Matthew Collier, Laura Myhill, Andrew Cassidy, Darren Plant, Helen Plant, Roger Clark, Darren A. N. Cook, Andrew Steven, John Archer, Paul McGillan, Sitthivut Charoensutthivarakul, Jaclyn Bibby, Raman Sharma, Gemma L. Nixon, Barton E. Slatko, Lindsey Cantin, Bo Wu, Joseph Turner, Louise Ford, Kirsty Rich, Mark Wigglesworth, Neil G. Berry, Paul M. O’Neill, Mark J. Taylor, Stephen A. Ward
Publikováno v:
Nature Communications, Vol 10, Iss 1, Pp 1-8 (2019)
Parasitic nematodes causing onchocerciasis and lymphatic filariasis rely on a bacterial endosymbiont, Wolbachia, which is a validated therapeutic target. Here, Clare et al. perform a high-throughput screen of 1.3 million compounds and identify 5 chem
Externí odkaz:
https://doaj.org/article/4cb4bba947a8460babf1f27b9cb22a73
Autor:
Kangsa Amporndanai, Nattapon Pinthong, Paul M. O’Neill, W. David Hong, Richard K. Amewu, Chandrakala Pidathala, Neil G. Berry, Suet C. Leung, Stephen A. Ward, Giancarlo A. Biagini, S. Samar Hasnain, Svetlana V. Antonyuk
Publikováno v:
Biology, Vol 11, Iss 8, p 1109 (2022)
Antimalarials targeting the ubiquinol-oxidation (Qo) site of the Plasmodium falciparum bc1 complex, such as atovaquone, have become less effective due to the rapid emergence of resistance linked to point mutations in the Qo site. Recent findings show
Externí odkaz:
https://doaj.org/article/b74084f8e68b4a56bee023bd1e647e27
Autor:
Sofia Birgersson, Innocent Valea, Halidou Tinto, Maminata Traore-Coulibaly, Laeticia C. Toe, Richard M. Hoglund, Jean-Pierre Van Geertruyden, Stephen A. Ward, Umberto D’Alessandro, Angela Abelö, Joel Tarning
Publikováno v:
Wellcome Open Research, Vol 4 (2020)
Background: Malaria during pregnancy is a major health risk for both the mother and the foetus. Pregnancy has been shown to influence the pharmacokinetics of a number of different antimalarial drugs. This might lead to an under-exposure in these pati
Externí odkaz:
https://doaj.org/article/31d13098e4384b0db59ec86fae15e11e
Autor:
Paul M. O’Neill, Richard K. Amewu, Susan A. Charman, Sunil Sabbani, Nina F. Gnädig, Judith Straimer, David A. Fidock, Emma R. Shore, Natalie L. Roberts, Michael H.-L. Wong, W. David Hong, Chandrakala Pidathala, Chris Riley, Ben Murphy, Ghaith Aljayyoussi, Francisco Javier Gamo, Laura Sanz, Janneth Rodrigues, Carolina Gonzalez Cortes, Esperanza Herreros, Iñigo Angulo-Barturén, María Belén Jiménez-Díaz, Santiago Ferrer Bazaga, María Santos Martínez-Martínez, Brice Campo, Raman Sharma, Eileen Ryan, David M. Shackleford, Simon Campbell, Dennis A. Smith, Grennady Wirjanata, Rintis Noviyanti, Ric N. Price, Jutta Marfurt, Michael J. Palmer, Ian M. Copple, Amy E. Mercer, Andrea Ruecker, Michael J. Delves, Robert E. Sinden, Peter Siegl, Jill Davies, Rosemary Rochford, Clemens H. M. Kocken, Anne-Marie Zeeman, Gemma L. Nixon, Giancarlo A. Biagini, Stephen A. Ward
Publikováno v:
Nature Communications, Vol 8, Iss 1, Pp 1-10 (2017)
Artemisinin-resistantPlasmodium is an increasing problem. Here, using a medicinal chemistry programme, the authors identify a tetraoxane-based drug candidate that shows no cross-resistance with an artemisinin-resistant strain (PfK13-C580Y) and is eff
Externí odkaz:
https://doaj.org/article/d0b09995908d4fd1a466aa398f702f2f
Autor:
Ghaith Aljayyoussi, Victoria A. Jenkins, Raman Sharma, Alison Ardrey, Samantha Donnellan, Stephen A. Ward, Giancarlo A. Biagini
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
Abstract Tuberculosis (TB) treatment is long and complex, typically involving a combination of drugs taken for 6 months. Improved drug regimens to shorten and simplify treatment are urgently required, however a major challenge to TB drug development
Externí odkaz:
https://doaj.org/article/eeb7497b0cef443d825c81af2749fe7b
Autor:
Ghaith Aljayyoussi, Hayley E. Tyrer, Louise Ford, Hanna Sjoberg, Nicolas Pionnier, David Waterhouse, Jill Davies, Joanne Gamble, Haelly Metuge, Darren A. N. Cook, Andrew Steven, Raman Sharma, Ana F. Guimaraes, Rachel H. Clare, Andrew Cassidy, Kelly L. Johnston, Laura Myhill, Laura Hayward, Samuel Wanji, Joseph D. Turner, Mark J. Taylor, Stephen A. Ward
Publikováno v:
Scientific Reports, Vol 7, Iss 1, Pp 1-11 (2017)
Abstract Lymphatic filariasis (LF) and onchocerciasis are priority neglected tropical diseases targeted for elimination. The only safe drug treatment with substantial curative activity against the filarial nematodes responsible for LF (Brugia malayi,
Externí odkaz:
https://doaj.org/article/5458446623e84d6f9b626f860c2cd9e3
Publikováno v:
Pharmaceutics, Vol 11, Iss 6, p 278 (2019)
Increasing rifampicin (RIF) dosages could significantly reduce tuberculosis (TB) treatment durations. Understanding the pharmacokinetic-pharmacodynamics (PK−PD) of increasing RIF dosages could inform clinical regimen selection. We used intracellula
Externí odkaz:
https://doaj.org/article/f10a671343e44c8da5a982d66688765d
Autor:
Joseph A. Daccache, Francis Eng, Lei Cao, Ning Ma, Stephen C. Ward, Thomas Schiano, Mark Miller, Daniel Herron, Anthony V. Azzara, Steven S. Pullen, Paolo Guarnieri, Costica Aloman, Andrea D. Branch
Publikováno v:
Clinical and Translational Discovery, Vol 4, Iss 5, Pp n/a-n/a (2024)
Externí odkaz:
https://doaj.org/article/dfe5f6ac40824995975fd62165fa8afb