NFKB1 and myeloid sarcoma: More specifically, a GWAS conducted by International Multiple Sclerosis Genetic Consortium (IMSGC) in 2013 (International Multiple Sclerosis Genetics Consortium, Beecham et al., 2013) reported the nuclear factor kappa-light-chain-enhancer of activated B cells (NF-κB) pathway as significant in MS pathology.