Comment on: ‘Aberrant tRNA processing causes an autoinflammatory syndrome responsive to TNF inhibitors’ by Giannelou et al : mutations in TRNT1 result in a constitutive activation of type I interferon signalling

Abstract : We read with great interest the paper of Giannelou et al1 reporting, for the first time, the efficacy of tumour necrosis factor (TNF) inhibitors in sideroblastic anaemia with immunodeficiency, fevers and developmental delay (SIFD). These authors also demonstrated high levels of interleukin (IL)-6, IL-12p40, IL-18, interferon (IFN)-γ and IFN-induced chemokines (IP-10 and MIG) in two patients. Herein, we wish to highlight that an activation of the type I IFN pathway may also be observed in SIFD [...]