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Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)
 
 
 
 
 

A strategy for the prevention of the transmission of Chagas' disease during blood transfusion.

Our strategy for preventing the transmission of Chagas' disease during blood transfusion is discussed. In addition, the possibility that the Peru, Sonya, Tulahuen and Y strains of Trypanosoma cruzi show varying sensitivities to a series of amphiphilic cationic drugs in vitro at 4 degrees C was investigated using a microscope lysis test. All 21 drugs tested at a concentration of 10(-3) M lysed Sonya bloodstream trypomastigotes, but Peru, Tulahuen and Y strains were affected by 17, 17 and 11 drugs, respectively. All four strains were most sensitive to the acridines; acranil, aminacrine and mepacrine. Although some variation was seen in their responses to certain drugs, no one strain was particularly insensitive to the series as a whole. The effects of gentian violet, maprotiline and mepacrine on the infectivity of Sonya trypomastigotes following incubation at 4 degrees C for 24 h were evaluated. Mepacrine, at a concentration of 2.5 X 10(-4) M greatly decreased the viability of trypomastigotes, while 10(-3) M concentrations of both maprotiline, mepacrine, and gentian violet (at low parasite densities only) apparently abolished all infectivity. Although the compounds we tested did not show a significant improvement over gentian violet, the compound currently used in some blood banks, other existing amphiphilic cationic drugs could be of use in preventing the transmission of Chagas' disease during blood transfusion.[1]

References

  1. A strategy for the prevention of the transmission of Chagas' disease during blood transfusion. Hammond, D.J., Croft, S.L., Hogg, J., Gutteridge, W.E. Acta Trop. (1986) [Pubmed]
 
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