TXNRD1 and infection: Furthermore, several bona fide Nrf2 target genes including detoxifying NAD(P)H dehydrogenase (quinone 1) and glutathione S-transferases (GSTs) α3, α4 and μ1, as well as the antioxidants sulfiredoxin 1 homolog, thioredoxin reductase 1, thioredoxin 1 and peroxiredoxin 1 were expressed at higher levels in myoblasts than in myotubes, irrespective of infection (Figure 6F and Table S2).