MBP and myeloid sarcoma: The statistically significant appearance of Abzs is detected at the earliest stages of various autoimmune diseases (AIDs), when changes in antibody titers to specific antigens of various diseases, such as DNA (SLE, MS, etc.), myelin basic protein (MS, SLE, etc.), thyroglobulin (Hashimoto thyroiditis), and other proteins, still correspond to the range changes in the titers of these antibodies in healthy donors [10,11,12,13,14,15].