Review Article

Genetic Susceptibility to Chagas Disease: An Overview about the Infection and about the Association between Disease and the Immune Response Genes

Table 2

Polymorphisms in cytokines genes and their association with Chagas disease.

Gene/allele/genotypePopulationClinical formAssociationReference

TNFA −308, −244, −236 and TNFB PeruInfection and CCCNo association[106]
bTNF −308A MexicoInfection and CCCSusceptibility[108]
TNF −308A BrazilCCCNo association[107]
aTNF −238A BrazilInfectionSusceptibility[109]
aTNF1031C and −308A ColombiaCCCSusceptibility[110]
aTNFA1031TT and −308GG ColombiaCCCProtection[110]
aTNFa2, TNFa7, TNFa8, TNFb2, TNFb4, TNFd5, TNFd7, TNFe2 BrazilCCC, DG, or mixedProtection[111]
aTNFb7 and TNFd3 BrazilCCC and mixedSusceptibility[111]
aTNFa2 BrazilCCCSusceptibility[112]
bLTA +80C and LTA +252G BrazilCCCSusceptibility[113]
bLTA +80A +252A haplotypeBrazilCCCProtection[113]
IL6174GC Peru/ColombiaInfectionNo association[114]
bIL1RN.4CC MexicoCCCSusceptibility[115]
bIL1B +5810G allele and
IL1B31 +395 CT genotype
ColombiaCCCSusceptibility[116]
aIL101082A and −1082AA BrazilCCCSusceptibility[119]
IL10 ColombiaInfectionNo association[120]
aIFNG +874A and +874AA ColombiaInfectionSusceptibility[122]
aIL4590T BoliviaInfectionProtection[124]
aIL4RA +148AA CCCSusceptibility[120]
aTGFB110C and CC Peru/ColombiaInfectionSusceptibility[126]
bIL12B 3 UTR C and CC ColombiaCCCSusceptibility[127]
aCXCL9CC and CXCL10GG BrazilCCCProtection[129]
CCR5CC CCCSusceptibility[129]
a,bCCR52554T, 2733G, 59029G, 59029AG, 59029GG Peru/Colombia/VenezuelaCCCSusceptibility[130132]
aCCL22518A and AA BrazilCCCSusceptibility[133]
aBAT1 22C 348C BrazilCCCSusceptibility[134]

a value 0.05; b value 0.05.
CCC: chronic Chagas cardiomyopathy; DG: digestive form; mixed: CCC and DG or CCC + DG.