TNFSF13B and tuberculosis: For example, the expression of genes involved in the IFN-I and IFNγ signaling pathways (e.g. ISG20 and IFITM1-3), TLR signaling pathway (e.g. TLR4 and TLR2) and response to TNF (e.g. TNFSF13B and TNFRSF14) was the highest in TBN and TB (Figure 3(b and c)).