IFNA2 and myeloid sarcoma: When comparing the two subgroups of MS patients, the levels of 27 of the 29 molecules were found significantly higher (P < 0.01) in the CSF of MShigh compared to MSlow group, whereas only interferon α 2 (IFNα2) and INFλ2 were significantly higher in MSlow than MShigh (P < 0.01) (asterisks in Table 1).