The “apoptosis” class (33 genes) includes C5AR1, CCL24, CCR1, CCR3, CXCL13, IRG1, ALDOC, C3AR1, CADM1, CAPN3, HEXA, ID3, MAEA, PLAU, PRDX5, PROC, and CXCR2 genes related to apoptosis and inflammatory response, and TNFSF13B and NFKBIA involved in cell-activating factor signalling pathway.