IL1B and myeloid sarcoma: In addition, our observation that TG2 does not correlate either with IL-1β or TNF-α expression but correlated positively with the expression of two anti-inflammatory markers, i.e., IL-1ra and TGF-β1 in MS monocytes, suggests that MS patient-derived monocytes expressing higher levels of TG2 have a more anti-inflammatory profile.