IL2RA and myeloid sarcoma: At the same time, an anonymous screening of the genome, analyzed by association and published by the IMSGC (International Multiple Sclerosis Genetics Consortium, i.e., the International Consortium on MS Genetics, which then brings together only American and English teams) allows the identification of two genes that predispose to MS: the IL7RA gene and the IL2RA gene [55].