In contrast with the HVs, in patients with MS, the top five parameters comprised the indicators of the serum levels of large buoyant LDL subclass 1 (LDL1-PL, LDL1-FC, LDL1-C, and LDL1-apoB), as well as an indicator of total HDL (HDL-FC). The gene discussed is APOB; the disease is myeloid sarcoma.