Results 151 to 160 of about 53,099 (190)
Genotypic Status of the TbAT1/P2 Adenosine Transporter of Trypanosoma brucei gambiense Isolates from Northwestern Uganda following Melarsoprol Withdrawal [PDF]
PLoS Neglected Tropical Diseases, 2009 Human African trypanosomiasis (HAT) manifests as a chronic infection caused by <i>Trypanosoma brucei gambiense</i>, or as a more acute form due to <i>T. b. rhodesiense</i>.
Mike Barrett +2 more
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Aquaporin 2 Mutations in Trypanosoma brucei gambiense Field Isolates Correlate with Decreased Susceptibility to Pentamidine and Melarsoprol [PDF]
PLoS Neglected Tropical Diseases, 2013 The predominant mechanism of drug resistance in African trypanosomes is decreased drug uptake due to loss-of-function mutations in the genes for the transporters that mediate drug import. The role of transporters as determinants of drug susceptibility is
David Horn +2 more
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Purine metabolism in Trypanosoma brucei gambiense
Biochimica et Biophysica Acta (BBA) - General Subjects, 1982Abstract The procyclic forms of Trypanosoma brucei gambiense do not incorporate glycine or serine into ribonucleotides. Although de novo purine synthesis does not occur, all purine bases and ribonucleotides are interconverted, indicating the presence of active salvage pathways. Guanine is actively deaminated to xanthine by guanase activity.
W R, Fish, J J, Marr, R L, Berens
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Molecular and Biochemical Parasitology, 1989
Restriction fragment length polymorphism (RFLP) has been analysed in Trypanosoma brucei DNA following hybridization with different DNA probes. This polymorphism seems to be due to allelic variation, and not to variation between sequence duplicates, since the genomic environment of the probed polymorphic fragments is conserved over considerable ...
Paindavoine, Pascale +4 more
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Restriction fragment length polymorphism (RFLP) has been analysed in Trypanosoma brucei DNA following hybridization with different DNA probes. This polymorphism seems to be due to allelic variation, and not to variation between sequence duplicates, since the genomic environment of the probed polymorphic fragments is conserved over considerable ...
Paindavoine, Pascale +4 more
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Journal of Parasitology, 2011
Mammalian immune responses to Trypanosoma brucei infection are important to control of the disease. In rats infected with T. brucei gambiense (Wellcome strain; WS) or T. brucei brucei (interleukin-tat 1.4 strain [ILS]), a marked increase in the number of macrophages in the spleen can be observed.
Kazuhiko, Nishimura +5 more
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Mammalian immune responses to Trypanosoma brucei infection are important to control of the disease. In rats infected with T. brucei gambiense (Wellcome strain; WS) or T. brucei brucei (interleukin-tat 1.4 strain [ILS]), a marked increase in the number of macrophages in the spleen can be observed.
Kazuhiko, Nishimura +5 more
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Experimental Parasitology, 1992
Macrophages collected from BCG-infected mice or exposed in vitro to interferon-gamma plus lipopolysaccharide developed a cytostatic activity on Trypanosoma brucei gambiense and Trypanosoma brucei brucei. This trypanostatic activity of activated macrophages was inhibited by addition of N-monomethyl-L-arginine, an inhibitor of the L-arginine-nitric oxide
P, Vincendeau +5 more
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Macrophages collected from BCG-infected mice or exposed in vitro to interferon-gamma plus lipopolysaccharide developed a cytostatic activity on Trypanosoma brucei gambiense and Trypanosoma brucei brucei. This trypanostatic activity of activated macrophages was inhibited by addition of N-monomethyl-L-arginine, an inhibitor of the L-arginine-nitric oxide
P, Vincendeau +5 more
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"Trypanosoma brucei gambiense" : cerebral immunopathology in mice
Acta tropica, 1982Ninety outbred white adult female mice were infected with Trypanosoma brucei gambiense (GUMS 2, alias LUMP 1237) originating from a Zairian patient and known to produce a low parasitaemia in rodents. The development of cerebral trypanosomiasis was independent upon the number of parasites inoculated per mouse.
A A, Poltera, A, Hochmann, P H, Lambert
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Mechanism of Trypanosoma brucei gambiense resistance to human serum
Nature, 2013The African parasite Trypanosoma brucei gambiense accounts for 97% of human sleeping sickness cases. T. b. gambiense resists the specific human innate immunity acting against several other tsetse-fly-transmitted trypanosome species such as T. b. brucei, the causative agent of nagana disease in cattle.
Uzureau, Pierrick +21 more
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Journal of Enzyme Inhibition, 2001
Activity and kinetics of phospholipase A2 (PLA2) from Trypanosoma brucei gambiense (Wellcome strain) and Trypanosoma brucei brucei (GUTat 3.1) were examined using two different fluorescent substrates. The activity in the supernatants of sonicated parasites was Ca2+-independent, strongly stimulated by Triton X-100 with optimum activity at 37 degrees C ...
M N, Shuaibu +5 more
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Activity and kinetics of phospholipase A2 (PLA2) from Trypanosoma brucei gambiense (Wellcome strain) and Trypanosoma brucei brucei (GUTat 3.1) were examined using two different fluorescent substrates. The activity in the supernatants of sonicated parasites was Ca2+-independent, strongly stimulated by Triton X-100 with optimum activity at 37 degrees C ...
M N, Shuaibu +5 more
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The role of immunoglobulins in immunity to Trypanosoma brucei gambiense
International Journal for Parasitology, 1977Abstract The effects of IgM and IgG antibody molecules were compared on a weight basis by both agglutination and in vitro protection tests. It was shown that IgM is a better agglutinating antibody and in the presence of complement is also a better neutralizing antibody.
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