Review Article

The Role of Heme and Reactive Oxygen Species in Proliferation and Survival of Trypanosoma cruzi

Table 1

Antioxidant defenses and drug susceptibility of T. cruzi strains.

StrainDTU*Redox stateDrug susceptibilityReference

YIILow concentrations of antioxidant enzymes; lower activity of G6PDHResistant[42, 44]
TulahuenVIHigh concentrations of antioxidant enzymes; higher activity of G6PDH; lower Thiol contentsSusceptible[42, 44, 65]
ColombianaIHigh concentrations of antioxidant enzymes; no alteration of TcCPX and TcMPX and FeSOD isoformsResistant (natural)[42, 69ā€“71]
Cl BrenerVINo alteration of TcCPX and TcMPX and FeSOD isoformsSusceptible (in vitro)[69ā€“71]

*Discrete typing units (DTUs), according to Zingales et al., 2009 [43].