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Forton DM Karayiannis P Mahmud N Taylor-Robinson SD Thomas HC 《Journal of virology》2004,78(10):5170-5183
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Haemadsorption and haemagglutination by mycoplasmas 总被引:30,自引:0,他引:30
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E.A. Fontaine D. Abeck S. Stewart D. Taylor-Robinson A.P. Johnson 《Letters in applied microbiology》1988,7(5):145-147
Protein profiles of whole cells of Bacteriodes ureolyticus grown in the presence or absence of the iron chelator desferrioxamine mesylate (Desferal) were compared. Each of four strains produced novel proteins of molecular weights 19, 25 and 41 kilodaltons (kDa) under conditions of reduced iron availability. Novel proteins of molecular weights 32, 52 and 58 kDa were also detected although there was interstrain variation in their expression. Outer membranes from three of the strains grown on iron-depleted medium also contained novel proteins with molecular weights of approximately 25, 41 and 52 kDa. When organisms were grown on medium containing Desferal saturated with excess iron, the novel proteins were not detected indicating that their expression was regulated by the level of available iron in the medium. 相似文献
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Shariff MI Gomaa AI Cox IJ Patel M Williams HR Crossey MM Thillainayagam AV Thomas HC Waked I Khan SA Taylor-Robinson SD 《Journal of proteome research》2011,10(4):1828-1836
The advent of metabonomics has seen a proliferation of biofluid profiling studies of patients with hepatocellular carcinoma. The majority of these studies have been conducted in single indigenous populations making the widespread applicability of candidate metabolite biomarkers difficult. Presented here is a urinary proton nuclear magnetic resonance spectroscopy study of mainly hepatitis C virus infected Egyptian patients with hepatocellular carcinoma, which corroborates findings of a previous study from our group of mainly hepatitis B-infected Nigerian patients with hepatocellular carcinoma. Using multivariate statistical analysis, in the form of orthogonal signal-corrected partial least squared discriminant analysis, the sensitivity and specificity of the technique for distinguishing patients with tumors from healthy controls and patients with cirrhosis was 100%/94% and 81%/71%, respectively. Discriminatory metabolites included glycine, trimethylamine-N-oxide, hippurate, citrate, creatinine, creatine, and carnitine. This metabolic profile bears similarity to profiles identified in the Nigerian cohort of subjects indicative of tumor effects on physiology, energy production, and aberrant chromosomal methylation. This is the first study to identify similarly altered urine metabolic profiles of hepatocellular carcinoma in two etiologically and ethnically distinct populations, suggesting that altered metabolism as a result of tumorogenesis is independent of these two factors. 相似文献