TGFB1 and strongyloidiasis: The findings are consistent with the evidence that IL-10 and TGF-β have immunosuppressive activity and may contribute to mycobacterial disease.15-17 IL-10 and TGF-β may play an important regulatory role in Strongyloidiasis by upregulating Th9 expression that is reversible upon anti-helminthic treatment, and their ability to suppress mycobacterial growth inhibition shows that these cytokines can inhibit beneficial immune responses to TBI.