In MS patient-derived monocytes (Fig. 4 black line), no significant correlation was observed between TG2 mRNA levels and either IL-1β mRNA levels (r = 0.376, p = 0.168) or TNFα mRNA levels (r = 0.391, p = 0.186) (Fig. 4a, b). This evidence concerns the gene IL1B and myeloid sarcoma.