HLA-DRB1 and myeloid sarcoma: Combining microbiome results with the immunogenetics characteristics of patients with MS, they found a positive correlation between Methanobrevibacter and Akkermansia and a negative correlation of Butyricimonas with MAPK14, MAPK1, LTBR, STAT5B, CASP1, and HLA-DRB1 -genes associated with potentiation of the immune response in MS.27